diff options
Diffstat (limited to 'arch')
261 files changed, 7374 insertions, 13206 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 50b9afa8ae6d..5959e36c3b4c 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -180,6 +180,7 @@ config ARCH_OMAP config ARCH_VERSATILE bool "Versatile" select ARM_AMBA + select ARM_VIC select ICST307 help This enables support for ARM Ltd Versatile board. @@ -400,6 +401,38 @@ config NO_IDLE_HZ Currently at least OMAP, PXA2xx and SA11x0 platforms are known to have accurate timekeeping with dynamic tick. +config AEABI + bool "Use the ARM EABI to compile the kernel" + help + This option allows for the kernel to be compiled using the latest + ARM ABI (aka EABI). This is only useful if you are using a user + space environment that is also compiled with EABI. + + Since there are major incompatibilities between the legacy ABI and + EABI, especially with regard to structure member alignment, this + option also changes the kernel syscall calling convention to + disambiguate both ABIs and allow for backward compatibility support + (selected with CONFIG_OABI_COMPAT). + + To use this you need GCC version 4.0.0 or later. + +config OABI_COMPAT + bool "Allow old ABI binaries to run with this kernel" + depends on AEABI + default y + help + This option preserves the old syscall interface along with the + new (ARM EABI) one. It also provides a compatibility layer to + intercept syscalls that have structure arguments which layout + in memory differs between the legacy ABI and the new ARM EABI + (only for non "thumb" binaries). This option adds a tiny + overhead to all syscalls and produces a slightly larger kernel. + If you know you'll be using only pure EABI user space then you + can say N here. If this option is not selected and you attempt + to execute a legacy ABI binary then the result will be + UNPREDICTABLE (in fact it can be predicted that it won't work + at all). If in doubt say Y. + config ARCH_DISCONTIGMEM_ENABLE bool default (ARCH_LH7A40X && !LH7A40X_CONTIGMEM) @@ -586,6 +619,7 @@ comment "At least one emulation must be selected" config FPE_NWFPE bool "NWFPE math emulation" + depends on !AEABI || OABI_COMPAT ---help--- Say Y to include the NWFPE floating point emulator in the kernel. This is necessary to run most binaries. Linux does not currently @@ -609,7 +643,7 @@ config FPE_NWFPE_XP config FPE_FASTFPE bool "FastFPE math emulation (EXPERIMENTAL)" - depends on !CPU_32v3 && EXPERIMENTAL + depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL ---help--- Say Y here to include the FAST floating point emulator in the kernel. This is an experimental much faster emulator which now also has full @@ -641,6 +675,7 @@ source "fs/Kconfig.binfmt" config ARTHUR tristate "RISC OS personality" + depends on !AEABI help Say Y here to include the kernel code necessary if you want to run Acorn RISC OS/Arthur binaries under Linux. This code is still very @@ -729,6 +764,8 @@ source "drivers/char/Kconfig" source "drivers/i2c/Kconfig" +source "drivers/spi/Kconfig" + source "drivers/hwmon/Kconfig" #source "drivers/l3/Kconfig" diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 1fa2a1011584..fbfc14a56b96 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -56,8 +56,13 @@ tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100 tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) -# Need -Uarm for gcc < 3.x +ifeq ($(CONFIG_AEABI),y) +CFLAGS_ABI :=-mabi=aapcs -mno-thumb-interwork +else CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) +endif + +# Need -Uarm for gcc < 3.x CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig index d7509c7a3c5e..5e34ca6d38b6 100644 --- a/arch/arm/common/Kconfig +++ b/arch/arm/common/Kconfig @@ -1,7 +1,10 @@ -config ICST525 +config ARM_GIC bool -config ARM_GIC +config ARM_VIC + bool + +config ICST525 bool config ICST307 diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile index ec8d17c96906..c81a2ff6b5be 100644 --- a/arch/arm/common/Makefile +++ b/arch/arm/common/Makefile @@ -4,6 +4,7 @@ obj-y += rtctime.o obj-$(CONFIG_ARM_GIC) += gic.o +obj-$(CONFIG_ARM_VIC) += vic.o obj-$(CONFIG_ICST525) += icst525.o obj-$(CONFIG_ICST307) += icst307.o obj-$(CONFIG_SA1111) += sa1111.o diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c index 1b7eaab02b9e..159ad7ed7a40 100644 --- a/arch/arm/common/locomo.c +++ b/arch/arm/common/locomo.c @@ -1103,14 +1103,14 @@ static int locomo_bus_remove(struct device *dev) struct bus_type locomo_bus_type = { .name = "locomo-bus", .match = locomo_match, + .probe = locomo_bus_probe, + .remove = locomo_bus_remove, .suspend = locomo_bus_suspend, .resume = locomo_bus_resume, }; int locomo_driver_register(struct locomo_driver *driver) { - driver->drv.probe = locomo_bus_probe; - driver->drv.remove = locomo_bus_remove; driver->drv.bus = &locomo_bus_type; return driver_register(&driver->drv); } diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c index d0d6e6d2d649..1475089f9b42 100644 --- a/arch/arm/common/sa1111.c +++ b/arch/arm/common/sa1111.c @@ -1247,14 +1247,14 @@ static int sa1111_bus_remove(struct device *dev) struct bus_type sa1111_bus_type = { .name = "sa1111-rab", .match = sa1111_match, + .probe = sa1111_bus_probe, + .remove = sa1111_bus_remove, .suspend = sa1111_bus_suspend, .resume = sa1111_bus_resume, }; int sa1111_driver_register(struct sa1111_driver *driver) { - driver->drv.probe = sa1111_bus_probe; - driver->drv.remove = sa1111_bus_remove; driver->drv.bus = &sa1111_bus_type; return driver_register(&driver->drv); } diff --git a/arch/arm/common/vic.c b/arch/arm/common/vic.c new file mode 100644 index 000000000000..a45ed1687a59 --- /dev/null +++ b/arch/arm/common/vic.c @@ -0,0 +1,92 @@ +/* + * linux/arch/arm/common/vic.c + * + * Copyright (C) 1999 - 2003 ARM Limited + * Copyright (C) 2000 Deep Blue Solutions Ltd + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <linux/init.h> +#include <linux/list.h> + +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/mach/irq.h> +#include <asm/hardware/vic.h> + +static void __iomem *vic_base; + +static void vic_mask_irq(unsigned int irq) +{ + irq -= IRQ_VIC_START; + writel(1 << irq, vic_base + VIC_INT_ENABLE_CLEAR); +} + +static void vic_unmask_irq(unsigned int irq) +{ + irq -= IRQ_VIC_START; + writel(1 << irq, vic_base + VIC_INT_ENABLE); +} + +static struct irqchip vic_chip = { + .ack = vic_mask_irq, + .mask = vic_mask_irq, + .unmask = vic_unmask_irq, +}; + +void __init vic_init(void __iomem *base, u32 vic_sources) +{ + unsigned int i; + + vic_base = base; + + /* Disable all interrupts initially. */ + + writel(0, vic_base + VIC_INT_SELECT); + writel(0, vic_base + VIC_INT_ENABLE); + writel(~0, vic_base + VIC_INT_ENABLE_CLEAR); + writel(0, vic_base + VIC_IRQ_STATUS); + writel(0, vic_base + VIC_ITCR); + writel(~0, vic_base + VIC_INT_SOFT_CLEAR); + + /* + * Make sure we clear all existing interrupts + */ + writel(0, vic_base + VIC_VECT_ADDR); + for (i = 0; i < 19; i++) { + unsigned int value; + + value = readl(vic_base + VIC_VECT_ADDR); + writel(value, vic_base + VIC_VECT_ADDR); + } + + for (i = 0; i < 16; i++) { + void __iomem *reg = vic_base + VIC_VECT_CNTL0 + (i * 4); + writel(VIC_VECT_CNTL_ENABLE | i, reg); + } + + writel(32, vic_base + VIC_DEF_VECT_ADDR); + + for (i = 0; i < 32; i++) { + unsigned int irq = IRQ_VIC_START + i; + + set_irq_chip(irq, &vic_chip); + + if (vic_sources & (1 << i)) { + set_irq_handler(irq, do_level_IRQ); + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + } + } +} diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index de94b0f3ee2a..2ce0e3a27a45 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -20,6 +20,7 @@ obj-$(CONFIG_ARTHUR) += arthur.o obj-$(CONFIG_ISA_DMA) += dma-isa.o obj-$(CONFIG_PCI) += bios32.o obj-$(CONFIG_SMP) += smp.o +obj-$(CONFIG_OABI_COMPAT) += sys_oabi-compat.o obj-$(CONFIG_IWMMXT) += iwmmxt.o AFLAGS_iwmmxt.o := -Wa,-mcpu=iwmmxt diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c index 9997098009a9..1574941ebfe1 100644 --- a/arch/arm/kernel/armksyms.c +++ b/arch/arm/kernel/armksyms.c @@ -35,6 +35,16 @@ extern void __udivsi3(void); extern void __umodsi3(void); extern void __do_div64(void); +extern void __aeabi_idiv(void); +extern void __aeabi_idivmod(void); +extern void __aeabi_lasr(void); +extern void __aeabi_llsl(void); +extern void __aeabi_llsr(void); +extern void __aeabi_lmul(void); +extern void __aeabi_uidiv(void); +extern void __aeabi_uidivmod(void); +extern void __aeabi_ulcmp(void); + extern void fpundefinstr(void); extern void fp_enter(void); @@ -141,6 +151,18 @@ EXPORT_SYMBOL(__udivsi3); EXPORT_SYMBOL(__umodsi3); EXPORT_SYMBOL(__do_div64); +#ifdef CONFIG_AEABI +EXPORT_SYMBOL(__aeabi_idiv); +EXPORT_SYMBOL(__aeabi_idivmod); +EXPORT_SYMBOL(__aeabi_lasr); +EXPORT_SYMBOL(__aeabi_llsl); +EXPORT_SYMBOL(__aeabi_llsr); +EXPORT_SYMBOL(__aeabi_lmul); +EXPORT_SYMBOL(__aeabi_uidiv); +EXPORT_SYMBOL(__aeabi_uidivmod); +EXPORT_SYMBOL(__aeabi_ulcmp); +#endif + /* bitops */ EXPORT_SYMBOL(_set_bit_le); EXPORT_SYMBOL(_test_and_set_bit_le); diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index 55076a75e5bf..75e6f9a94713 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -13,7 +13,7 @@ #define NR_syscalls 328 #else -__syscall_start: +100: /* 0 */ .long sys_restart_syscall .long sys_exit .long sys_fork_wrapper @@ -27,7 +27,7 @@ __syscall_start: /* 10 */ .long sys_unlink .long sys_execve_wrapper .long sys_chdir - .long sys_time /* used by libc4 */ + .long OBSOLETE(sys_time) /* used by libc4 */ .long sys_mknod /* 15 */ .long sys_chmod .long sys_lchown16 @@ -36,15 +36,15 @@ __syscall_start: .long sys_lseek /* 20 */ .long sys_getpid .long sys_mount - .long sys_oldumount /* used by libc4 */ + .long OBSOLETE(sys_oldumount) /* used by libc4 */ .long sys_setuid16 .long sys_getuid16 -/* 25 */ .long sys_stime +/* 25 */ .long OBSOLETE(sys_stime) .long sys_ptrace - .long sys_alarm /* used by libc4 */ + .long OBSOLETE(sys_alarm) /* used by libc4 */ .long sys_ni_syscall /* was sys_fstat */ .long sys_pause -/* 30 */ .long sys_utime /* used by libc4 */ +/* 30 */ .long OBSOLETE(sys_utime) /* used by libc4 */ .long sys_ni_syscall /* was sys_stty */ .long sys_ni_syscall /* was sys_getty */ .long sys_access @@ -90,21 +90,21 @@ __syscall_start: .long sys_sigpending .long sys_sethostname /* 75 */ .long sys_setrlimit - .long sys_old_getrlimit /* used by libc4 */ + .long OBSOLETE(sys_old_getrlimit) /* used by libc4 */ .long sys_getrusage .long sys_gettimeofday .long sys_settimeofday /* 80 */ .long sys_getgroups16 .long sys_setgroups16 - .long old_select /* used by libc4 */ + .long OBSOLETE(old_select) /* used by libc4 */ .long sys_symlink .long sys_ni_syscall /* was sys_lstat */ /* 85 */ .long sys_readlink .long sys_uselib .long sys_swapon .long sys_reboot - .long old_readdir /* used by libc4 */ -/* 90 */ .long old_mmap /* used by libc4 */ + .long OBSOLETE(old_readdir) /* used by libc4 */ +/* 90 */ .long OBSOLETE(old_mmap) /* used by libc4 */ .long sys_munmap .long sys_truncate .long sys_ftruncate @@ -116,7 +116,7 @@ __syscall_start: .long sys_statfs /* 100 */ .long sys_fstatfs .long sys_ni_syscall - .long sys_socketcall + .long OBSOLETE(sys_socketcall) .long sys_syslog .long sys_setitimer /* 105 */ .long sys_getitimer @@ -127,11 +127,11 @@ __syscall_start: /* 110 */ .long sys_ni_syscall /* was sys_iopl */ .long sys_vhangup .long sys_ni_syscall - .long sys_syscall /* call a syscall */ + .long OBSOLETE(sys_syscall) /* call a syscall */ .long sys_wait4 /* 115 */ .long sys_swapoff .long sys_sysinfo - .long sys_ipc + .long OBSOLETE(ABI(sys_ipc, sys_oabi_ipc)) .long sys_fsync .long sys_sigreturn_wrapper /* 120 */ .long sys_clone_wrapper @@ -194,8 +194,8 @@ __syscall_start: .long sys_rt_sigtimedwait .long sys_rt_sigqueueinfo .long sys_rt_sigsuspend_wrapper -/* 180 */ .long sys_pread64 - .long sys_pwrite64 +/* 180 */ .long ABI(sys_pread64, sys_oabi_pread64) + .long ABI(sys_pwrite64, sys_oabi_pwrite64) .long sys_chown16 .long sys_getcwd .long sys_capget @@ -207,11 +207,11 @@ __syscall_start: /* 190 */ .long sys_vfork_wrapper .long sys_getrlimit .long sys_mmap2 - .long sys_truncate64 - .long sys_ftruncate64 -/* 195 */ .long sys_stat64 - .long sys_lstat64 - .long sys_fstat64 + .long ABI(sys_truncate64, sys_oabi_truncate64) + .long ABI(sys_ftruncate64, sys_oabi_ftruncate64) +/* 195 */ .long ABI(sys_stat64, sys_oabi_stat64) + .long ABI(sys_lstat64, sys_oabi_lstat64) + .long ABI(sys_fstat64, sys_oabi_fstat64) .long sys_lchown .long sys_getuid /* 200 */ .long sys_getgid @@ -235,11 +235,11 @@ __syscall_start: .long sys_pivot_root .long sys_mincore /* 220 */ .long sys_madvise - .long sys_fcntl64 + .long ABI(sys_fcntl64, sys_oabi_fcntl64) .long sys_ni_syscall /* TUX */ .long sys_ni_syscall .long sys_gettid -/* 225 */ .long sys_readahead +/* 225 */ .long ABI(sys_readahead, sys_oabi_readahead) .long sys_setxattr .long sys_lsetxattr .long sys_fsetxattr @@ -265,8 +265,8 @@ __syscall_start: .long sys_exit_group .long sys_lookup_dcookie /* 250 */ .long sys_epoll_create - .long sys_epoll_ctl - .long sys_epoll_wait + .long ABI(sys_epoll_ctl, sys_oabi_epoll_ctl) + .long ABI(sys_epoll_wait, sys_oabi_epoll_wait) .long sys_remap_file_pages .long sys_ni_syscall /* sys_set_thread_area */ /* 255 */ .long sys_ni_syscall /* sys_get_thread_area */ @@ -280,8 +280,8 @@ __syscall_start: .long sys_clock_gettime .long sys_clock_getres /* 265 */ .long sys_clock_nanosleep - .long sys_statfs64 - .long sys_fstatfs64 + .long sys_statfs64_wrapper + .long sys_fstatfs64_wrapper .long sys_tgkill .long sys_utimes /* 270 */ .long sys_arm_fadvise64_64 @@ -312,7 +312,7 @@ __syscall_start: /* 295 */ .long sys_getsockopt .long sys_sendmsg .long sys_recvmsg - .long sys_semop + .long ABI(sys_semop, sys_oabi_semop) .long sys_semget /* 300 */ .long sys_semctl .long sys_msgsnd @@ -326,7 +326,7 @@ __syscall_start: .long sys_add_key /* 310 */ .long sys_request_key .long sys_keyctl - .long sys_semtimedop + .long ABI(sys_semtimedop, sys_oabi_semtimedop) /* vserver */ .long sys_ni_syscall .long sys_ioprio_set /* 315 */ .long sys_ioprio_get @@ -336,9 +336,8 @@ __syscall_start: .long sys_mbind /* 320 */ .long sys_get_mempolicy .long sys_set_mempolicy -__syscall_end: - .rept NR_syscalls - (__syscall_end - __syscall_start) / 4 + .rept NR_syscalls - (. - 100b) / 4 .long sys_ni_syscall .endr #endif diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c index 96fd91926c9b..74ea29c3205e 100644 --- a/arch/arm/kernel/ecard.c +++ b/arch/arm/kernel/ecard.c @@ -1147,9 +1147,11 @@ static void ecard_drv_shutdown(struct device *dev) struct ecard_driver *drv = ECARD_DRV(dev->driver); struct ecard_request req; - if (drv->shutdown) - drv->shutdown(ec); - ecard_release(ec); + if (dev->driver) { + if (drv->shutdown) + drv->shutdown(ec); + ecard_release(ec); + } /* * If this card has a loader, call the reset handler. @@ -1164,9 +1166,6 @@ static void ecard_drv_shutdown(struct device *dev) int ecard_register_driver(struct ecard_driver *drv) { drv->drv.bus = &ecard_bus_type; - drv->drv.probe = ecard_drv_probe; - drv->drv.remove = ecard_drv_remove; - drv->drv.shutdown = ecard_drv_shutdown; return driver_register(&drv->drv); } @@ -1195,6 +1194,9 @@ struct bus_type ecard_bus_type = { .name = "ecard", .dev_attrs = ecard_dev_attrs, .match = ecard_match, + .probe = ecard_drv_probe, + .remove = ecard_drv_remove, + .shutdown = ecard_drv_shutdown, }; static int ecard_bus_init(void) diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index a52baedf6262..874e6bb79405 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -3,6 +3,7 @@ * * Copyright (C) 1996,1997,1998 Russell King. * ARM700 fix by Matthew Godbolt (linux-user@willothewisp.demon.co.uk) + * nommu support by Hyok S. Choi (hyok.choi@samsung.com) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -104,14 +105,24 @@ common_invalid: /* * SVC mode handlers */ + +#if defined(CONFIG_AEABI) && (__LINUX_ARM_ARCH__ >= 5) +#define SPFIX(code...) code +#else +#define SPFIX(code...) +#endif + .macro svc_entry sub sp, sp, #S_FRAME_SIZE + SPFIX( tst sp, #4 ) + SPFIX( bicne sp, sp, #4 ) stmib sp, {r1 - r12} ldmia r0, {r1 - r3} add r5, sp, #S_SP @ here for interlock avoidance mov r4, #-1 @ "" "" "" "" add r0, sp, #S_FRAME_SIZE @ "" "" "" "" + SPFIX( addne r0, r0, #4 ) str r1, [sp] @ save the "real" r0 copied @ from the exception stack @@ -302,7 +313,14 @@ __pabt_svc: /* * User mode handlers + * + * EABI note: sp_svc is always 64-bit aligned here, so should S_FRAME_SIZE */ + +#if defined(CONFIG_AEABI) && (__LINUX_ARM_ARCH__ >= 5) && (S_FRAME_SIZE & 7) +#error "sizeof(struct pt_regs) must be a multiple of 8" +#endif + .macro usr_entry sub sp, sp, #S_FRAME_SIZE stmib sp, {r1 - r12} @@ -538,7 +556,11 @@ ENTRY(__switch_to) add ip, r1, #TI_CPU_SAVE ldr r3, [r2, #TI_TP_VALUE] stmia ip!, {r4 - sl, fp, sp, lr} @ Store most regs on stack +#ifndef CONFIG_MMU + add r2, r2, #TI_CPU_DOMAIN +#else ldr r6, [r2, #TI_CPU_DOMAIN]! +#endif #if __LINUX_ARM_ARCH__ >= 6 #ifdef CONFIG_CPU_MPCORE clrex @@ -556,7 +578,9 @@ ENTRY(__switch_to) mov r4, #0xffff0fff str r3, [r4, #-15] @ TLS val at 0xffff0ff0 #endif +#ifdef CONFIG_MMU mcr p15, 0, r6, c3, c0, 0 @ Set domain register +#endif #ifdef CONFIG_VFP @ Always disable VFP so we can lazily save/restore the old @ state. This occurs in the context of the previous thread. diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index e2b42997ad33..2b92ce85f97f 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -98,20 +98,14 @@ ENTRY(ret_from_fork) run on an ARM7 and we can save a couple of instructions. --pb */ #ifdef CONFIG_CPU_ARM710 - .macro arm710_bug_check, instr, temp - and \temp, \instr, #0x0f000000 @ check for SWI - teq \temp, #0x0f000000 - bne .Larm700bug - .endm - -.Larm700bug: +#define A710(code...) code +.Larm710bug: ldmia sp, {r0 - lr}^ @ Get calling r0 - lr mov r0, r0 add sp, sp, #S_FRAME_SIZE subs pc, lr, #4 #else - .macro arm710_bug_check, instr, temp - .endm +#define A710(code...) #endif .align 5 @@ -129,14 +123,50 @@ ENTRY(vector_swi) /* * Get the system call number. */ + +#if defined(CONFIG_OABI_COMPAT) + + /* + * If we have CONFIG_OABI_COMPAT then we need to look at the swi + * value to determine if it is an EABI or an old ABI call. + */ #ifdef CONFIG_ARM_THUMB + tst r8, #PSR_T_BIT + movne r10, #0 @ no thumb OABI emulation + ldreq r10, [lr, #-4] @ get SWI instruction +#else + ldr r10, [lr, #-4] @ get SWI instruction + A710( and ip, r10, #0x0f000000 @ check for SWI ) + A710( teq ip, #0x0f000000 ) + A710( bne .Larm710bug ) +#endif + +#elif defined(CONFIG_AEABI) + + /* + * Pure EABI user space always put syscall number into scno (r7). + */ + A710( ldr ip, [lr, #-4] @ get SWI instruction ) + A710( and ip, ip, #0x0f000000 @ check for SWI ) + A710( teq ip, #0x0f000000 ) + A710( bne .Larm710bug ) + +#elif defined(CONFIG_ARM_THUMB) + + /* Legacy ABI only, possibly thumb mode. */ tst r8, #PSR_T_BIT @ this is SPSR from save_user_regs addne scno, r7, #__NR_SYSCALL_BASE @ put OS number in ldreq scno, [lr, #-4] + #else + + /* Legacy ABI only. */ ldr scno, [lr, #-4] @ get SWI instruction + A710( and ip, scno, #0x0f000000 @ check for SWI ) + A710( teq ip, #0x0f000000 ) + A710( bne .Larm710bug ) + #endif - arm710_bug_check scno, ip #ifdef CONFIG_ALIGNMENT_TRAP ldr ip, __cr_alignment @@ -145,18 +175,31 @@ ENTRY(vector_swi) #endif enable_irq - stmdb sp!, {r4, r5} @ push fifth and sixth args - get_thread_info tsk + adr tbl, sys_call_table @ load syscall table pointer ldr ip, [tsk, #TI_FLAGS] @ check for syscall tracing + +#if defined(CONFIG_OABI_COMPAT) + /* + * If the swi argument is zero, this is an EABI call and we do nothing. + * + * If this is an old ABI call, get the syscall number into scno and + * get the old ABI syscall table address. + */ + bics r10, r10, #0xff000000 + eorne scno, r10, #__NR_OABI_SYSCALL_BASE + ldrne tbl, =sys_oabi_call_table +#elif !defined(CONFIG_AEABI) bic scno, scno, #0xff000000 @ mask off SWI op-code eor scno, scno, #__NR_SYSCALL_BASE @ check OS number - adr tbl, sys_call_table @ load syscall table pointer +#endif + + stmdb sp!, {r4, r5} @ push fifth and sixth args tst ip, #_TIF_SYSCALL_TRACE @ are we tracing syscalls? bne __sys_trace - adr lr, ret_fast_syscall @ return address cmp scno, #NR_syscalls @ check upper syscall limit + adr lr, ret_fast_syscall @ return address ldrcc pc, [tbl, scno, lsl #2] @ call sys_* routine add r1, sp, #S_OFF @@ -171,11 +214,13 @@ ENTRY(vector_swi) * context switches, and waiting for our parent to respond. */ __sys_trace: + mov r2, scno add r1, sp, #S_OFF mov r0, #0 @ trace entry [IP = 0] bl syscall_trace adr lr, __sys_trace_return @ return address + mov scno, r0 @ syscall number (possibly new) add r1, sp, #S_R0 + S_OFF @ pointer to regs cmp scno, #NR_syscalls @ check upper syscall limit ldmccia r1, {r0 - r3} @ have to reload r0 - r3 @@ -184,6 +229,7 @@ __sys_trace: __sys_trace_return: str r0, [sp, #S_R0 + S_OFF]! @ save returned r0 + mov r2, scno mov r1, sp mov r0, #1 @ trace exit [IP = 1] bl syscall_trace @@ -195,10 +241,24 @@ __sys_trace_return: __cr_alignment: .word cr_alignment #endif + .ltorg + +/* + * This is the syscall table declaration for native ABI syscalls. + * With EABI a couple syscalls are obsolete and defined as sys_ni_syscall. + */ +#define ABI(native, compat) native +#ifdef CONFIG_AEABI +#define OBSOLETE(syscall) sys_ni_syscall +#else +#define OBSOLETE(syscall) syscall +#endif .type sys_call_table, #object ENTRY(sys_call_table) #include "calls.S" +#undef ABI +#undef OBSOLETE /*============================================================================ * Special system call wrappers @@ -207,7 +267,7 @@ ENTRY(sys_call_table) @ r8 = syscall table .type sys_syscall, #function sys_syscall: - eor scno, r0, #__NR_SYSCALL_BASE + eor scno, r0, #__NR_OABI_SYSCALL_BASE cmp scno, #__NR_syscall - __NR_SYSCALL_BASE cmpne scno, #NR_syscalls @ check range stmloia sp, {r5, r6} @ shuffle args @@ -255,6 +315,16 @@ sys_sigaltstack_wrapper: ldr r2, [sp, #S_OFF + S_SP] b do_sigaltstack +sys_statfs64_wrapper: + teq r1, #88 + moveq r1, #84 + b sys_statfs64 + +sys_fstatfs64_wrapper: + teq r1, #88 + moveq r1, #84 + b sys_fstatfs64 + /* * Note: off_4k (r5) is always units of 4K. If we can't do the requested * offset, we return EINVAL. @@ -271,3 +341,49 @@ sys_mmap2: str r5, [sp, #4] b do_mmap2 #endif + +#ifdef CONFIG_OABI_COMPAT + +/* + * These are syscalls with argument register differences + */ + +sys_oabi_pread64: + stmia sp, {r3, r4} + b sys_pread64 + +sys_oabi_pwrite64: + stmia sp, {r3, r4} + b sys_pwrite64 + +sys_oabi_truncate64: + mov r3, r2 + mov r2, r1 + b sys_truncate64 + +sys_oabi_ftruncate64: + mov r3, r2 + mov r2, r1 + b sys_ftruncate64 + +sys_oabi_readahead: + str r3, [sp] + mov r3, r2 + mov r2, r1 + b sys_readahead + +/* + * Let's declare a second syscall table for old ABI binaries + * using the compatibility syscall entries. + */ +#define ABI(native, compat) compat +#define OBSOLETE(syscall) syscall + + .type sys_oabi_call_table, #object +ENTRY(sys_oabi_call_table) +#include "calls.S" +#undef ABI +#undef OBSOLETE + +#endif + diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S index 648cfff93138..55c99cdab7d6 100644 --- a/arch/arm/kernel/entry-header.S +++ b/arch/arm/kernel/entry-header.S @@ -19,6 +19,7 @@ @ @ Most of the stack format comes from struct pt_regs, but with @ the addition of 8 bytes for storing syscall args 5 and 6. +@ This _must_ remain a multiple of 8 for EABI. @ #define S_OFF 8 diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 1e985f2cd70f..1aca1775b28f 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -251,12 +251,11 @@ __turn_mmu_on: * r10 = procinfo * * Returns: - * r0, r3, r5, r6, r7 corrupted + * r0, r3, r6, r7 corrupted * r4 = physical page table address */ .type __create_page_tables, %function __create_page_tables: - ldr r5, [r8, #MACHINFO_PHYSRAM] @ physram pgtbl r4 @ page table address /* @@ -303,7 +302,7 @@ __create_page_tables: * Then map first 1MB of ram in case it contains our boot params. */ add r0, r4, #PAGE_OFFSET >> 18 - orr r6, r5, r7 + orr r6, r7, #PHYS_OFFSET str r6, [r0] #ifdef CONFIG_XIP_KERNEL @@ -311,7 +310,7 @@ __create_page_tables: * Map some ram to cover our .data and .bss areas. * Mapping 3MB should be plenty. */ - sub r3, r4, r5 + sub r3, r4, #PHYS_OFFSET mov r3, r3, lsr #20 add r0, r0, r3, lsl #2 add r6, r6, r3, lsl #20 diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index e591f72bcdeb..7b6256bb590e 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -766,6 +766,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) (unsigned long __user *) data); break; + case PTRACE_SET_SYSCALL: + ret = 0; + child->ptrace_message = data; + break; + default: ret = ptrace_request(child, request, addr, data); break; @@ -774,14 +779,14 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) return ret; } -asmlinkage void syscall_trace(int why, struct pt_regs *regs) +asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno) { unsigned long ip; if (!test_thread_flag(TIF_SYSCALL_TRACE)) - return; + return scno; if (!(current->ptrace & PT_PTRACED)) - return; + return scno; /* * Save IP. IP is used to denote syscall entry/exit: @@ -790,6 +795,8 @@ asmlinkage void syscall_trace(int why, struct pt_regs *regs) ip = regs->ARM_ip; regs->ARM_ip = why; + current->ptrace_message = scno; + /* the 0x80 provides a way for the tracing parent to distinguish between a syscall stop and SIGTRAP delivery */ ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) @@ -804,4 +811,6 @@ asmlinkage void syscall_trace(int why, struct pt_regs *regs) current->exit_code = 0; } regs->ARM_ip = ip; + + return current->ptrace_message; } diff --git a/arch/arm/kernel/semaphore.c b/arch/arm/kernel/semaphore.c index 4c31f2923055..981fe5c6ccbe 100644 --- a/arch/arm/kernel/semaphore.c +++ b/arch/arm/kernel/semaphore.c @@ -177,41 +177,42 @@ int __down_trylock(struct semaphore * sem) * ip contains the semaphore pointer on entry. Save the C-clobbered * registers (r0 to r3 and lr), but not ip, as we use it as a return * value in some cases.. + * To remain AAPCS compliant (64-bit stack align) we save r4 as well. */ asm(" .section .sched.text,\"ax\",%progbits \n\ .align 5 \n\ .globl __down_failed \n\ __down_failed: \n\ - stmfd sp!, {r0 - r3, lr} \n\ + stmfd sp!, {r0 - r4, lr} \n\ mov r0, ip \n\ bl __down \n\ - ldmfd sp!, {r0 - r3, pc} \n\ + ldmfd sp!, {r0 - r4, pc} \n\ \n\ .align 5 \n\ .globl __down_interruptible_failed \n\ __down_interruptible_failed: \n\ - stmfd sp!, {r0 - r3, lr} \n\ + stmfd sp!, {r0 - r4, lr} \n\ mov r0, ip \n\ bl __down_interruptible \n\ mov ip, r0 \n\ - ldmfd sp!, {r0 - r3, pc} \n\ + ldmfd sp!, {r0 - r4, pc} \n\ \n\ .align 5 \n\ .globl __down_trylock_failed \n\ __down_trylock_failed: \n\ - stmfd sp!, {r0 - r3, lr} \n\ + stmfd sp!, {r0 - r4, lr} \n\ mov r0, ip \n\ bl __down_trylock \n\ mov ip, r0 \n\ - ldmfd sp!, {r0 - r3, pc} \n\ + ldmfd sp!, {r0 - r4, pc} \n\ \n\ .align 5 \n\ .globl __up_wakeup \n\ __up_wakeup: \n\ - stmfd sp!, {r0 - r3, lr} \n\ + stmfd sp!, {r0 - r4, lr} \n\ mov r0, ip \n\ bl __up \n\ - ldmfd sp!, {r0 - r3, pc} \n\ + ldmfd sp!, {r0 - r4, pc} \n\ "); EXPORT_SYMBOL(__down_failed); diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c index ea569ba482b1..a491de2d9024 100644 --- a/arch/arm/kernel/sys_arm.c +++ b/arch/arm/kernel/sys_arm.c @@ -147,6 +147,7 @@ asmlinkage int old_select(struct sel_arg_struct __user *arg) return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp); } +#if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT) /* * sys_ipc() is the de-multiplexer for the SysV IPC calls.. * @@ -226,6 +227,7 @@ asmlinkage int sys_ipc(uint call, int first, int second, int third, return -ENOSYS; } } +#endif /* Fork a new task - this creates a new program thread. * This is called indirectly via a small wrapper diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c new file mode 100644 index 000000000000..eafa8e5284af --- /dev/null +++ b/arch/arm/kernel/sys_oabi-compat.c @@ -0,0 +1,339 @@ +/* + * arch/arm/kernel/sys_oabi-compat.c + * + * Compatibility wrappers for syscalls that are used from + * old ABI user space binaries with an EABI kernel. + * + * Author: Nicolas Pitre + * Created: Oct 7, 2005 + * Copyright: MontaVista Software, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/* + * The legacy ABI and the new ARM EABI have different rules making some + * syscalls incompatible especially with structure arguments. + * Most notably, Eabi says 64-bit members should be 64-bit aligned instead of + * simply word aligned. EABI also pads structures to the size of the largest + * member it contains instead of the invariant 32-bit. + * + * The following syscalls are affected: + * + * sys_stat64: + * sys_lstat64: + * sys_fstat64: + * + * struct stat64 has different sizes and some members are shifted + * Compatibility wrappers are needed for them and provided below. + * + * sys_fcntl64: + * + * struct flock64 has different sizes and some members are shifted + * A compatibility wrapper is needed and provided below. + * + * sys_statfs64: + * sys_fstatfs64: + * + * struct statfs64 has extra padding with EABI growing its size from + * 84 to 88. This struct is now __attribute__((packed,aligned(4))) + * with a small assembly wrapper to force the sz argument to 84 if it is 88 + * to avoid copying the extra padding over user space unexpecting it. + * + * sys_newuname: + * + * struct new_utsname has no padding with EABI. No problem there. + * + * sys_epoll_ctl: + * sys_epoll_wait: + * + * struct epoll_event has its second member shifted also affecting the + * structure size. Compatibility wrappers are needed and provided below. + * + * sys_ipc: + * sys_semop: + * sys_semtimedop: + * + * struct sembuf loses its padding with EABI. Since arrays of them are + * used they have to be copyed to remove the padding. Compatibility wrappers + * provided below. + */ + +#include <linux/syscalls.h> +#include <linux/errno.h> +#include <linux/fs.h> +#include <linux/fcntl.h> +#include <linux/eventpoll.h> +#include <linux/sem.h> +#include <asm/ipc.h> +#include <asm/uaccess.h> + +struct oldabi_stat64 { + unsigned long long st_dev; + unsigned int __pad1; + unsigned long __st_ino; + unsigned int st_mode; + unsigned int st_nlink; + + unsigned long st_uid; + unsigned long st_gid; + + unsigned long long st_rdev; + unsigned int __pad2; + + long long st_size; + unsigned long st_blksize; + unsigned long long st_blocks; + + unsigned long st_atime; + unsigned long st_atime_nsec; + + unsigned long st_mtime; + unsigned long st_mtime_nsec; + + unsigned long st_ctime; + unsigned long st_ctime_nsec; + + unsigned long long st_ino; +} __attribute__ ((packed,aligned(4))); + +static long cp_oldabi_stat64(struct kstat *stat, + struct oldabi_stat64 __user *statbuf) +{ + struct oldabi_stat64 tmp; + + tmp.st_dev = huge_encode_dev(stat->dev); + tmp.__pad1 = 0; + tmp.__st_ino = stat->ino; + tmp.st_mode = stat->mode; + tmp.st_nlink = stat->nlink; + tmp.st_uid = stat->uid; + tmp.st_gid = stat->gid; + tmp.st_rdev = huge_encode_dev(stat->rdev); + tmp.st_size = stat->size; + tmp.st_blocks = stat->blocks; + tmp.__pad2 = 0; + tmp.st_blksize = stat->blksize; + tmp.st_atime = stat->atime.tv_sec; + tmp.st_atime_nsec = stat->atime.tv_nsec; + tmp.st_mtime = stat->mtime.tv_sec; + tmp.st_mtime_nsec = stat->mtime.tv_nsec; + tmp.st_ctime = stat->ctime.tv_sec; + tmp.st_ctime_nsec = stat->ctime.tv_nsec; + tmp.st_ino = stat->ino; + return copy_to_user(statbuf,&tmp,sizeof(tmp)) ? -EFAULT : 0; +} + +asmlinkage long sys_oabi_stat64(char __user * filename, + struct oldabi_stat64 __user * statbuf) +{ + struct kstat stat; + int error = vfs_stat(filename, &stat); + if (!error) + error = cp_oldabi_stat64(&stat, statbuf); + return error; +} + +asmlinkage long sys_oabi_lstat64(char __user * filename, + struct oldabi_stat64 __user * statbuf) +{ + struct kstat stat; + int error = vfs_lstat(filename, &stat); + if (!error) + error = cp_oldabi_stat64(&stat, statbuf); + return error; +} + +asmlinkage long sys_oabi_fstat64(unsigned long fd, + struct oldabi_stat64 __user * statbuf) +{ + struct kstat stat; + int error = vfs_fstat(fd, &stat); + if (!error) + error = cp_oldabi_stat64(&stat, statbuf); + return error; +} + +struct oabi_flock64 { + short l_type; + short l_whence; + loff_t l_start; + loff_t l_len; + pid_t l_pid; +} __attribute__ ((packed,aligned(4))); + +asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd, + unsigned long arg) +{ + struct oabi_flock64 user; + struct flock64 kernel; + mm_segment_t fs = USER_DS; /* initialized to kill a warning */ + unsigned long local_arg = arg; + int ret; + + switch (cmd) { + case F_GETLK64: + case F_SETLK64: + case F_SETLKW64: + if (copy_from_user(&user, (struct oabi_flock64 __user *)arg, + sizeof(user))) + return -EFAULT; + kernel.l_type = user.l_type; + kernel.l_whence = user.l_whence; + kernel.l_start = user.l_start; + kernel.l_len = user.l_len; + kernel.l_pid = user.l_pid; + local_arg = (unsigned long)&kernel; + fs = get_fs(); + set_fs(KERNEL_DS); + } + + ret = sys_fcntl64(fd, cmd, local_arg); + + switch (cmd) { + case F_GETLK64: + if (!ret) { + user.l_type = kernel.l_type; + user.l_whence = kernel.l_whence; + user.l_start = kernel.l_start; + user.l_len = kernel.l_len; + user.l_pid = kernel.l_pid; + if (copy_to_user((struct oabi_flock64 __user *)arg, + &user, sizeof(user))) + ret = -EFAULT; + } + case F_SETLK64: + case F_SETLKW64: + set_fs(fs); + } + + return ret; +} + +struct oabi_epoll_event { + __u32 events; + __u64 data; +} __attribute__ ((packed,aligned(4))); + +asmlinkage long sys_oabi_epoll_ctl(int epfd, int op, int fd, + struct oabi_epoll_event __user *event) +{ + struct oabi_epoll_event user; + struct epoll_event kernel; + mm_segment_t fs; + long ret; + + if (op == EPOLL_CTL_DEL) + return sys_epoll_ctl(epfd, op, fd, NULL); + if (copy_from_user(&user, event, sizeof(user))) + return -EFAULT; + kernel.events = user.events; + kernel.data = user.data; + fs = get_fs(); + set_fs(KERNEL_DS); + ret = sys_epoll_ctl(epfd, op, fd, &kernel); + set_fs(fs); + return ret; +} + +asmlinkage long sys_oabi_epoll_wait(int epfd, + struct oabi_epoll_event __user *events, + int maxevents, int timeout) +{ + struct epoll_event *kbuf; + mm_segment_t fs; + long ret, err, i; + + if (maxevents <= 0 || maxevents > (INT_MAX/sizeof(struct epoll_event))) + return -EINVAL; + kbuf = kmalloc(sizeof(*kbuf) * maxevents, GFP_KERNEL); + if (!kbuf) + return -ENOMEM; + fs = get_fs(); + set_fs(KERNEL_DS); + ret = sys_epoll_wait(epfd, kbuf, maxevents, timeout); + set_fs(fs); + err = 0; + for (i = 0; i < ret; i++) { + __put_user_error(kbuf[i].events, &events->events, err); + __put_user_error(kbuf[i].data, &events->data, err); + events++; + } + kfree(kbuf); + return err ? -EFAULT : ret; +} + +struct oabi_sembuf { + unsigned short sem_num; + short sem_op; + short sem_flg; + unsigned short __pad; +}; + +asmlinkage long sys_oabi_semtimedop(int semid, + struct oabi_sembuf __user *tsops, + unsigned nsops, + const struct timespec __user *timeout) +{ + struct sembuf *sops; + struct timespec local_timeout; + long err; + int i; + + if (nsops < 1) + return -EINVAL; + sops = kmalloc(sizeof(*sops) * nsops, GFP_KERNEL); + if (!sops) + return -ENOMEM; + err = 0; + for (i = 0; i < nsops; i++) { + __get_user_error(sops[i].sem_num, &tsops->sem_num, err); + __get_user_error(sops[i].sem_op, &tsops->sem_op, err); + __get_user_error(sops[i].sem_flg, &tsops->sem_flg, err); + tsops++; + } + if (timeout) { + /* copy this as well before changing domain protection */ + err |= copy_from_user(&local_timeout, timeout, sizeof(*timeout)); + timeout = &local_timeout; + } + if (err) { + err = -EFAULT; + } else { + mm_segment_t fs = get_fs(); + set_fs(KERNEL_DS); + err = sys_semtimedop(semid, sops, nsops, timeout); + set_fs(fs); + } + kfree(sops); + return err; +} + +asmlinkage long sys_oabi_semop(int semid, struct oabi_sembuf __user *tsops, + unsigned nsops) +{ + return sys_oabi_semtimedop(semid, tsops, nsops, NULL); +} + +extern asmlinkage int sys_ipc(uint call, int first, int second, int third, + void __user *ptr, long fifth); + +asmlinkage int sys_oabi_ipc(uint call, int first, int second, int third, + void __user *ptr, long fifth) +{ + switch (call & 0xffff) { + case SEMOP: + return sys_oabi_semtimedop(first, + (struct oabi_sembuf __user *)ptr, + second, NULL); + case SEMTIMEDOP: + return sys_oabi_semtimedop(first, + (struct oabi_sembuf __user *)ptr, + second, + (const struct timespec __user *)fifth); + default: + return sys_ipc(call, first, second, third, ptr, fifth); + } +} diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 93cfd3ffcc72..10235b01582e 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -404,7 +404,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) struct thread_info *thread = current_thread_info(); siginfo_t info; - if ((no >> 16) != 0x9f) + if ((no >> 16) != (__ARM_NR_BASE>> 16)) return bad_syscall(no, regs); switch (no & 0xffff) { diff --git a/arch/arm/lib/ashldi3.S b/arch/arm/lib/ashldi3.S index 561e20717b30..55e57a1c2e6d 100644 --- a/arch/arm/lib/ashldi3.S +++ b/arch/arm/lib/ashldi3.S @@ -37,6 +37,7 @@ Boston, MA 02110-1301, USA. */ #endif ENTRY(__ashldi3) +ENTRY(__aeabi_llsl) subs r3, r2, #32 rsb ip, r2, #32 diff --git a/arch/arm/lib/ashrdi3.S b/arch/arm/lib/ashrdi3.S index 86fb2a90c301..0b31398f89b2 100644 --- a/arch/arm/lib/ashrdi3.S +++ b/arch/arm/lib/ashrdi3.S @@ -37,6 +37,7 @@ Boston, MA 02110-1301, USA. */ #endif ENTRY(__ashrdi3) +ENTRY(__aeabi_lasr) subs r3, r2, #32 rsb ip, r2, #32 diff --git a/arch/arm/lib/lib1funcs.S b/arch/arm/lib/lib1funcs.S index 59026029d017..4e492f4b3f0e 100644 --- a/arch/arm/lib/lib1funcs.S +++ b/arch/arm/lib/lib1funcs.S @@ -206,6 +206,7 @@ Boston, MA 02111-1307, USA. */ ENTRY(__udivsi3) +ENTRY(__aeabi_uidiv) subs r2, r1, #1 moveq pc, lr @@ -246,6 +247,7 @@ ENTRY(__umodsi3) ENTRY(__divsi3) +ENTRY(__aeabi_idiv) cmp r1, #0 eor ip, r0, r1 @ save the sign of the result. @@ -303,12 +305,33 @@ ENTRY(__modsi3) rsbmi r0, r0, #0 mov pc, lr +#ifdef CONFIG_AEABI + +ENTRY(__aeabi_uidivmod) + + stmfd sp!, {r0, r1, ip, lr} + bl __aeabi_uidiv + ldmfd sp!, {r1, r2, ip, lr} + mul r3, r0, r2 + sub r1, r1, r3 + mov pc, lr + +ENTRY(__aeabi_idivmod) + + stmfd sp!, {r0, r1, ip, lr} + bl __aeabi_idiv + ldmfd sp!, {r1, r2, ip, lr} + mul r3, r0, r2 + sub r1, r1, r3 + mov pc, lr + +#endif Ldiv0: - str lr, [sp, #-4]! + str lr, [sp, #-8]! bl __div0 mov r0, #0 @ About as wrong as it could be. - ldr pc, [sp], #4 + ldr pc, [sp], #8 diff --git a/arch/arm/lib/lshrdi3.S b/arch/arm/lib/lshrdi3.S index 46c2ed19ec95..a86dbdd59cc4 100644 --- a/arch/arm/lib/lshrdi3.S +++ b/arch/arm/lib/lshrdi3.S @@ -37,6 +37,7 @@ Boston, MA 02110-1301, USA. */ #endif ENTRY(__lshrdi3) +ENTRY(__aeabi_llsr) subs r3, r2, #32 rsb ip, r2, #32 diff --git a/arch/arm/lib/muldi3.S b/arch/arm/lib/muldi3.S index c7fbdf005319..72d594184b8a 100644 --- a/arch/arm/lib/muldi3.S +++ b/arch/arm/lib/muldi3.S @@ -25,6 +25,7 @@ #endif ENTRY(__muldi3) +ENTRY(__aeabi_lmul) mul xh, yl, xh mla xh, xl, yh, xh diff --git a/arch/arm/lib/ucmpdi2.S b/arch/arm/lib/ucmpdi2.S index 112630f93e5d..d847a62834cb 100644 --- a/arch/arm/lib/ucmpdi2.S +++ b/arch/arm/lib/ucmpdi2.S @@ -10,6 +10,7 @@ * published by the Free Software Foundation. */ +#include <linux/config.h> #include <linux/linkage.h> #ifdef __ARMEB__ @@ -33,3 +34,16 @@ ENTRY(__ucmpdi2) movhi r0, #2 mov pc, lr +#ifdef CONFIG_AEABI + +ENTRY(__aeabi_ulcmp) + + cmp xh, yh + cmpeq xl, yl + movlo r0, #-1 + moveq r0, #0 + movhi r0, #1 + mov pc, lr + +#endif + diff --git a/arch/arm/mach-aaec2000/aaed2000.c b/arch/arm/mach-aaec2000/aaed2000.c index f5ef69702296..dc5fa8e5ebef 100644 --- a/arch/arm/mach-aaec2000/aaed2000.c +++ b/arch/arm/mach-aaec2000/aaed2000.c @@ -90,7 +90,6 @@ static void __init aaed2000_map_io(void) MACHINE_START(AAED2000, "Agilent AAED-2000 Development Platform") /* Maintainer: Nicolas Bellido Y Ortega */ - .phys_ram = 0xf0000000, .phys_io = PIO_BASE, .io_pg_offst = ((VIO_BASE) >> 18) & 0xfffc, .map_io = aaed2000_map_io, diff --git a/arch/arm/mach-at91rm9200/board-csb337.c b/arch/arm/mach-at91rm9200/board-csb337.c index 4aec834ee47f..54022e58d50d 100644 --- a/arch/arm/mach-at91rm9200/board-csb337.c +++ b/arch/arm/mach-at91rm9200/board-csb337.c @@ -132,7 +132,6 @@ static void __init csb337_board_init(void) MACHINE_START(CSB337, "Cogent CSB337") /* Maintainer: Bill Gatliff */ - .phys_ram = AT91_SDRAM_BASE, .phys_io = AT91_BASE_SYS, .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, .boot_params = AT91_SDRAM_BASE + 0x100, diff --git a/arch/arm/mach-at91rm9200/board-csb637.c b/arch/arm/mach-at91rm9200/board-csb637.c index 23e4cc21481a..8195f9d919ea 100644 --- a/arch/arm/mach-at91rm9200/board-csb637.c +++ b/arch/arm/mach-at91rm9200/board-csb637.c @@ -105,7 +105,6 @@ static void __init csb637_board_init(void) MACHINE_START(CSB637, "Cogent CSB637") /* Maintainer: Bill Gatliff */ - .phys_ram = AT91_SDRAM_BASE, .phys_io = AT91_BASE_SYS, .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, .boot_params = AT91_SDRAM_BASE + 0x100, diff --git a/arch/arm/mach-at91rm9200/board-dk.c b/arch/arm/mach-at91rm9200/board-dk.c index 8c747a31b95a..8a783368366e 100644 --- a/arch/arm/mach-at91rm9200/board-dk.c +++ b/arch/arm/mach-at91rm9200/board-dk.c @@ -127,7 +127,6 @@ static void __init dk_board_init(void) MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK") /* Maintainer: SAN People/Atmel */ - .phys_ram = AT91_SDRAM_BASE, .phys_io = AT91_BASE_SYS, .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, .boot_params = AT91_SDRAM_BASE + 0x100, diff --git a/arch/arm/mach-at91rm9200/board-ek.c b/arch/arm/mach-at91rm9200/board-ek.c index d140645711be..fd0752eba897 100644 --- a/arch/arm/mach-at91rm9200/board-ek.c +++ b/arch/arm/mach-at91rm9200/board-ek.c @@ -120,7 +120,6 @@ static void __init ek_board_init(void) MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK") /* Maintainer: SAN People/Atmel */ - .phys_ram = AT91_SDRAM_BASE, .phys_io = AT91_BASE_SYS, .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, .boot_params = AT91_SDRAM_BASE + 0x100, diff --git a/arch/arm/mach-clps711x/autcpu12.c b/arch/arm/mach-clps711x/autcpu12.c index 43b9423d1440..c13ca6c56baa 100644 --- a/arch/arm/mach-clps711x/autcpu12.c +++ b/arch/arm/mach-clps711x/autcpu12.c @@ -64,7 +64,6 @@ void __init autcpu12_map_io(void) MACHINE_START(AUTCPU12, "autronix autcpu12") /* Maintainer: Thomas Gleixner */ - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xff000000) >> 18) & 0xfffc, .boot_params = 0xc0020000, diff --git a/arch/arm/mach-clps711x/cdb89712.c b/arch/arm/mach-clps711x/cdb89712.c index cba7be5a06c3..831df007f6c7 100644 --- a/arch/arm/mach-clps711x/cdb89712.c +++ b/arch/arm/mach-clps711x/cdb89712.c @@ -55,7 +55,6 @@ static void __init cdb89712_map_io(void) MACHINE_START(CDB89712, "Cirrus-CDB89712") /* Maintainer: Ray Lehtiniemi */ - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xff000000) >> 18) & 0xfffc, .boot_params = 0xc0000100, diff --git a/arch/arm/mach-clps711x/ceiva.c b/arch/arm/mach-clps711x/ceiva.c index 35d51a759b59..e2b2c5ac8a83 100644 --- a/arch/arm/mach-clps711x/ceiva.c +++ b/arch/arm/mach-clps711x/ceiva.c @@ -56,7 +56,6 @@ static void __init ceiva_map_io(void) MACHINE_START(CEIVA, "CEIVA/Polaroid Photo MAX Digital Picture Frame") /* Maintainer: Rob Scott */ - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xff000000) >> 18) & 0xfffc, .boot_params = 0xc0000100, diff --git a/arch/arm/mach-clps711x/clep7312.c b/arch/arm/mach-clps711x/clep7312.c index c83f3fd68fcd..09fb57e45213 100644 --- a/arch/arm/mach-clps711x/clep7312.c +++ b/arch/arm/mach-clps711x/clep7312.c @@ -38,7 +38,6 @@ fixup_clep7312(struct machine_desc *desc, struct tag *tags, MACHINE_START(CLEP7212, "Cirrus Logic 7212/7312") /* Maintainer: Nobody */ - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xff000000) >> 18) & 0xfffc, .boot_params = 0xc0000100, diff --git a/arch/arm/mach-clps711x/edb7211-arch.c b/arch/arm/mach-clps711x/edb7211-arch.c index 255c98b63e15..dc81cc68595d 100644 --- a/arch/arm/mach-clps711x/edb7211-arch.c +++ b/arch/arm/mach-clps711x/edb7211-arch.c @@ -52,7 +52,6 @@ fixup_edb7211(struct machine_desc *desc, struct tag *tags, MACHINE_START(EDB7211, "CL-EDB7211 (EP7211 eval board)") /* Maintainer: Jon McClintock */ - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xff000000) >> 18) & 0xfffc, .boot_params = 0xc0020100, /* 0xc0000000 - 0xc001ffff can be video RAM */ diff --git a/arch/arm/mach-clps711x/fortunet.c b/arch/arm/mach-clps711x/fortunet.c index 3d88da0c287b..ff26a85aa4ba 100644 --- a/arch/arm/mach-clps711x/fortunet.c +++ b/arch/arm/mach-clps711x/fortunet.c @@ -78,7 +78,6 @@ fortunet_fixup(struct machine_desc *desc, struct tag *tags, MACHINE_START(FORTUNET, "ARM-FortuNet") /* Maintainer: FortuNet Inc. */ - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xf0000000) >> 18) & 0xfffc, .boot_params = 0x00000000, diff --git a/arch/arm/mach-clps711x/p720t.c b/arch/arm/mach-clps711x/p720t.c index a1acb945fb51..9ba45f4d5a7e 100644 --- a/arch/arm/mach-clps711x/p720t.c +++ b/arch/arm/mach-clps711x/p720t.c @@ -90,7 +90,6 @@ static void __init p720t_map_io(void) MACHINE_START(P720T, "ARM-Prospector720T") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xff000000) >> 18) & 0xfffc, .boot_params = 0xc0000100, diff --git a/arch/arm/mach-clps7500/core.c b/arch/arm/mach-clps7500/core.c index d869af0023f8..5b12cab0e691 100644 --- a/arch/arm/mach-clps7500/core.c +++ b/arch/arm/mach-clps7500/core.c @@ -384,7 +384,6 @@ static void __init clps7500_init(void) MACHINE_START(CLPS7500, "CL-PS7500") /* Maintainer: Philip Blundell */ - .phys_ram = 0x10000000, .phys_io = 0x03000000, .io_pg_offst = ((0xe0000000) >> 18) & 0xfffc, .map_io = clps7500_map_io, diff --git a/arch/arm/mach-ebsa110/core.c b/arch/arm/mach-ebsa110/core.c index ed4614983adb..6d620d8268cc 100644 --- a/arch/arm/mach-ebsa110/core.c +++ b/arch/arm/mach-ebsa110/core.c @@ -284,7 +284,6 @@ arch_initcall(ebsa110_init); MACHINE_START(EBSA110, "EBSA110") /* Maintainer: Russell King */ - .phys_ram = 0x00000000, .phys_io = 0xe0000000, .io_pg_offst = ((0xe0000000) >> 18) & 0xfffc, .boot_params = 0x00000400, diff --git a/arch/arm/mach-footbridge/cats-hw.c b/arch/arm/mach-footbridge/cats-hw.c index 49b898af0032..5b64d5c5b967 100644 --- a/arch/arm/mach-footbridge/cats-hw.c +++ b/arch/arm/mach-footbridge/cats-hw.c @@ -85,7 +85,6 @@ fixup_cats(struct machine_desc *desc, struct tag *tags, MACHINE_START(CATS, "Chalice-CATS") /* Maintainer: Philip Blundell */ - .phys_ram = 0x00000000, .phys_io = DC21285_ARMCSR_BASE, .io_pg_offst = ((0xfe000000) >> 18) & 0xfffc, .boot_params = 0x00000100, diff --git a/arch/arm/mach-footbridge/co285.c b/arch/arm/mach-footbridge/co285.c index 548a79081688..4545576ad8d9 100644 --- a/arch/arm/mach-footbridge/co285.c +++ b/arch/arm/mach-footbridge/co285.c @@ -29,7 +29,6 @@ fixup_coebsa285(struct machine_desc *desc, struct tag *tags, MACHINE_START(CO285, "co-EBSA285") /* Maintainer: Mark van Doesburg */ - .phys_ram = 0x00000000, .phys_io = DC21285_ARMCSR_BASE, .io_pg_offst = ((0x7cf00000) >> 18) & 0xfffc, .fixup = fixup_coebsa285, diff --git a/arch/arm/mach-footbridge/ebsa285.c b/arch/arm/mach-footbridge/ebsa285.c index 1c37605268d5..b1d3bf20a41e 100644 --- a/arch/arm/mach-footbridge/ebsa285.c +++ b/arch/arm/mach-footbridge/ebsa285.c @@ -14,7 +14,6 @@ MACHINE_START(EBSA285, "EBSA285") /* Maintainer: Russell King */ - .phys_ram = 0x00000000, .phys_io = DC21285_ARMCSR_BASE, .io_pg_offst = ((0xfe000000) >> 18) & 0xfffc, .boot_params = 0x00000100, diff --git a/arch/arm/mach-footbridge/netwinder-hw.c b/arch/arm/mach-footbridge/netwinder-hw.c index 9e563de465b5..229bf0585e40 100644 --- a/arch/arm/mach-footbridge/netwinder-hw.c +++ b/arch/arm/mach-footbridge/netwinder-hw.c @@ -649,7 +649,6 @@ fixup_netwinder(struct machine_desc *desc, struct tag *tags, MACHINE_START(NETWINDER, "Rebel-NetWinder") /* Maintainer: Russell King/Rebel.com */ - .phys_ram = 0x00000000, .phys_io = DC21285_ARMCSR_BASE, .io_pg_offst = ((0xfe000000) >> 18) & 0xfffc, .boot_params = 0x00000100, diff --git a/arch/arm/mach-footbridge/personal.c b/arch/arm/mach-footbridge/personal.c index 0146b8bb59da..c4f843fc099d 100644 --- a/arch/arm/mach-footbridge/personal.c +++ b/arch/arm/mach-footbridge/personal.c @@ -14,7 +14,6 @@ MACHINE_START(PERSONAL_SERVER, "Compaq-PersonalServer") /* Maintainer: Jamey Hicks / George France */ - .phys_ram = 0x00000000, .phys_io = DC21285_ARMCSR_BASE, .io_pg_offst = ((0xfe000000) >> 18) & 0xfffc, .boot_params = 0x00000100, diff --git a/arch/arm/mach-h720x/h7201-eval.c b/arch/arm/mach-h720x/h7201-eval.c index fa59e9e2a5c8..193f968edac3 100644 --- a/arch/arm/mach-h720x/h7201-eval.c +++ b/arch/arm/mach-h720x/h7201-eval.c @@ -31,7 +31,6 @@ MACHINE_START(H7201, "Hynix GMS30C7201") /* Maintainer: Robert Schwebel, Pengutronix */ - .phys_ram = 0x40000000, .phys_io = 0x80000000, .io_pg_offst = ((0xf0000000) >> 18) & 0xfffc, .boot_params = 0xc0001000, diff --git a/arch/arm/mach-h720x/h7202-eval.c b/arch/arm/mach-h720x/h7202-eval.c index d75c8221d2a5..36266896979c 100644 --- a/arch/arm/mach-h720x/h7202-eval.c +++ b/arch/arm/mach-h720x/h7202-eval.c @@ -72,7 +72,6 @@ static void __init init_eval_h7202(void) MACHINE_START(H7202, "Hynix HMS30C7202") /* Maintainer: Robert Schwebel, Pengutronix */ - .phys_ram = 0x40000000, .phys_io = 0x80000000, .io_pg_offst = ((0xf0000000) >> 18) & 0xfffc, .boot_params = 0x40000100, diff --git a/arch/arm/mach-imx/mx1ads.c b/arch/arm/mach-imx/mx1ads.c index c9e0cd8ed016..dc31e3fd6c57 100644 --- a/arch/arm/mach-imx/mx1ads.c +++ b/arch/arm/mach-imx/mx1ads.c @@ -69,7 +69,6 @@ mx1ads_map_io(void) MACHINE_START(MX1ADS, "Motorola MX1ADS") /* Maintainer: Sascha Hauer, Pengutronix */ - .phys_ram = 0x08000000, .phys_io = 0x00200000, .io_pg_offst = ((0xe0200000) >> 18) & 0xfffc, .boot_params = 0x08000100, diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index 3afedeb56a6e..d8d3c2a5a97e 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -347,7 +347,6 @@ static struct sys_timer ap_timer = { MACHINE_START(INTEGRATOR, "ARM-Integrator") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .phys_ram = 0x00000000, .phys_io = 0x16000000, .io_pg_offst = ((0xf1600000) >> 18) & 0xfffc, .boot_params = 0x00000100, diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index 16cf2482a3e9..31820170f306 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -578,7 +578,6 @@ static struct sys_timer cp_timer = { MACHINE_START(CINTEGRATOR, "ARM-IntegratorCP") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .phys_ram = 0x00000000, .phys_io = 0x16000000, .io_pg_offst = ((0xf1600000) >> 18) & 0xfffc, .boot_params = 0x00000100, diff --git a/arch/arm/mach-integrator/lm.c b/arch/arm/mach-integrator/lm.c index 5b41e3a724e1..622cdc4212dd 100644 --- a/arch/arm/mach-integrator/lm.c +++ b/arch/arm/mach-integrator/lm.c @@ -22,20 +22,6 @@ static int lm_match(struct device *dev, struct device_driver *drv) return 1; } -static struct bus_type lm_bustype = { - .name = "logicmodule", - .match = lm_match, -// .suspend = lm_suspend, -// .resume = lm_resume, -}; - -static int __init lm_init(void) -{ - return bus_register(&lm_bustype); -} - -postcore_initcall(lm_init); - static int lm_bus_probe(struct device *dev) { struct lm_device *lmdev = to_lm_device(dev); @@ -49,16 +35,30 @@ static int lm_bus_remove(struct device *dev) struct lm_device *lmdev = to_lm_device(dev); struct lm_driver *lmdrv = to_lm_driver(dev->driver); - lmdrv->remove(lmdev); + if (lmdrv->remove) + lmdrv->remove(lmdev); return 0; } +static struct bus_type lm_bustype = { + .name = "logicmodule", + .match = lm_match, + .probe = lm_bus_probe, + .remove = lm_bus_remove, +// .suspend = lm_bus_suspend, +// .resume = lm_bus_resume, +}; + +static int __init lm_init(void) +{ + return bus_register(&lm_bustype); +} + +postcore_initcall(lm_init); + int lm_driver_register(struct lm_driver *drv) { drv->drv.bus = &lm_bustype; - drv->drv.probe = lm_bus_probe; - drv->drv.remove = lm_bus_remove; - return driver_register(&drv->drv); } diff --git a/arch/arm/mach-iop3xx/iop321-setup.c b/arch/arm/mach-iop3xx/iop321-setup.c index 80770233b8d4..e4f4c52d93d4 100644 --- a/arch/arm/mach-iop3xx/iop321-setup.c +++ b/arch/arm/mach-iop3xx/iop321-setup.c @@ -151,7 +151,6 @@ extern void iop321_init_time(void); #if defined(CONFIG_ARCH_IQ80321) MACHINE_START(IQ80321, "Intel IQ80321") /* Maintainer: Intel Corporation */ - .phys_ram = PHYS_OFFSET, .phys_io = IQ80321_UART, .io_pg_offst = ((IQ80321_UART) >> 18) & 0xfffc, .map_io = iq80321_map_io, @@ -163,7 +162,6 @@ MACHINE_END #elif defined(CONFIG_ARCH_IQ31244) MACHINE_START(IQ31244, "Intel IQ31244") /* Maintainer: Intel Corp. */ - .phys_ram = PHYS_OFFSET, .phys_io = IQ31244_UART, .io_pg_offst = ((IQ31244_UART) >> 18) & 0xfffc, .map_io = iq31244_map_io, diff --git a/arch/arm/mach-iop3xx/iop331-setup.c b/arch/arm/mach-iop3xx/iop331-setup.c index e6ea1cba6a17..63585485123e 100644 --- a/arch/arm/mach-iop3xx/iop331-setup.c +++ b/arch/arm/mach-iop3xx/iop331-setup.c @@ -195,7 +195,6 @@ extern void iq80332_map_io(void); #if defined(CONFIG_ARCH_IQ80331) MACHINE_START(IQ80331, "Intel IQ80331") /* Maintainer: Intel Corp. */ - .phys_ram = PHYS_OFFSET, .phys_io = 0xfefff000, .io_pg_offst = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical .map_io = iq80331_map_io, @@ -208,7 +207,6 @@ MACHINE_END #elif defined(CONFIG_MACH_IQ80332) MACHINE_START(IQ80332, "Intel IQ80332") /* Maintainer: Intel Corp. */ - .phys_ram = PHYS_OFFSET, .phys_io = 0xfefff000, .io_pg_offst = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical .map_io = iq80332_map_io, diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c index 6851abaf5524..cfd5bef3190b 100644 --- a/arch/arm/mach-ixp2000/core.c +++ b/arch/arm/mach-ixp2000/core.c @@ -106,6 +106,16 @@ static struct map_desc ixp2000_io_desc[] __initdata = { .length = IXP2000_MSF_SIZE, .type = MT_IXP2000_DEVICE, }, { + .virtual = IXP2000_SCRATCH_RING_VIRT_BASE, + .pfn = __phys_to_pfn(IXP2000_SCRATCH_RING_PHYS_BASE), + .length = IXP2000_SCRATCH_RING_SIZE, + .type = MT_IXP2000_DEVICE, + }, { + .virtual = IXP2000_SRAM0_VIRT_BASE, + .pfn = __phys_to_pfn(IXP2000_SRAM0_PHYS_BASE), + .length = IXP2000_SRAM0_SIZE, + .type = MT_IXP2000_DEVICE, + }, { .virtual = IXP2000_PCI_IO_VIRT_BASE, .pfn = __phys_to_pfn(IXP2000_PCI_IO_PHYS_BASE), .length = IXP2000_PCI_IO_SIZE, diff --git a/arch/arm/mach-ixp2000/enp2611.c b/arch/arm/mach-ixp2000/enp2611.c index 61f6006241bd..9e5a13bb39d0 100644 --- a/arch/arm/mach-ixp2000/enp2611.c +++ b/arch/arm/mach-ixp2000/enp2611.c @@ -254,7 +254,6 @@ static void __init enp2611_init_machine(void) MACHINE_START(ENP2611, "Radisys ENP-2611 PCI network processor board") /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ - .phys_ram = 0x00000000, .phys_io = IXP2000_UART_PHYS_BASE, .io_pg_offst = ((IXP2000_UART_VIRT_BASE) >> 18) & 0xfffc, .boot_params = 0x00000100, diff --git a/arch/arm/mach-ixp2000/ixdp2400.c b/arch/arm/mach-ixp2000/ixdp2400.c index fd280a93637e..7c782403042a 100644 --- a/arch/arm/mach-ixp2000/ixdp2400.c +++ b/arch/arm/mach-ixp2000/ixdp2400.c @@ -169,7 +169,6 @@ void ixdp2400_init_irq(void) MACHINE_START(IXDP2400, "Intel IXDP2400 Development Platform") /* Maintainer: MontaVista Software, Inc. */ - .phys_ram = 0x00000000, .phys_io = IXP2000_UART_PHYS_BASE, .io_pg_offst = ((IXP2000_UART_VIRT_BASE) >> 18) & 0xfffc, .boot_params = 0x00000100, diff --git a/arch/arm/mach-ixp2000/ixdp2800.c b/arch/arm/mach-ixp2000/ixdp2800.c index f9073aa28615..076e3f8acc96 100644 --- a/arch/arm/mach-ixp2000/ixdp2800.c +++ b/arch/arm/mach-ixp2000/ixdp2800.c @@ -285,7 +285,6 @@ void ixdp2800_init_irq(void) MACHINE_START(IXDP2800, "Intel IXDP2800 Development Platform") /* Maintainer: MontaVista Software, Inc. */ - .phys_ram = 0x00000000, .phys_io = IXP2000_UART_PHYS_BASE, .io_pg_offst = ((IXP2000_UART_VIRT_BASE) >> 18) & 0xfffc, .boot_params = 0x00000100, diff --git a/arch/arm/mach-ixp2000/ixdp2x01.c b/arch/arm/mach-ixp2000/ixdp2x01.c index e6a882f35da2..10f06606d460 100644 --- a/arch/arm/mach-ixp2000/ixdp2x01.c +++ b/arch/arm/mach-ixp2000/ixdp2x01.c @@ -376,7 +376,6 @@ static void __init ixdp2x01_init_machine(void) #ifdef CONFIG_ARCH_IXDP2401 MACHINE_START(IXDP2401, "Intel IXDP2401 Development Platform") /* Maintainer: MontaVista Software, Inc. */ - .phys_ram = 0x00000000, .phys_io = IXP2000_UART_PHYS_BASE, .io_pg_offst = ((IXP2000_UART_VIRT_BASE) >> 18) & 0xfffc, .boot_params = 0x00000100, @@ -390,7 +389,6 @@ MACHINE_END #ifdef CONFIG_ARCH_IXDP2801 MACHINE_START(IXDP2801, "Intel IXDP2801 Development Platform") /* Maintainer: MontaVista Software, Inc. */ - .phys_ram = 0x00000000, .phys_io = IXP2000_UART_PHYS_BASE, .io_pg_offst = ((IXP2000_UART_VIRT_BASE) >> 18) & 0xfffc, .boot_params = 0x00000100, diff --git a/arch/arm/mach-ixp4xx/coyote-setup.c b/arch/arm/mach-ixp4xx/coyote-setup.c index 679594a73981..13f8a7ac3ba9 100644 --- a/arch/arm/mach-ixp4xx/coyote-setup.c +++ b/arch/arm/mach-ixp4xx/coyote-setup.c @@ -101,7 +101,6 @@ static void __init coyote_init(void) #ifdef CONFIG_ARCH_ADI_COYOTE MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote") /* Maintainer: MontaVista Software, Inc. */ - .phys_ram = PHYS_OFFSET, .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc, .map_io = ixp4xx_map_io, @@ -119,7 +118,6 @@ MACHINE_END #ifdef CONFIG_MACH_IXDPG425 MACHINE_START(IXDPG425, "Intel IXDPG425") /* Maintainer: MontaVista Software, Inc. */ - .phys_ram = PHYS_OFFSET, .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc, .map_io = ixp4xx_map_io, diff --git a/arch/arm/mach-ixp4xx/gtwx5715-setup.c b/arch/arm/mach-ixp4xx/gtwx5715-setup.c index 038670489970..654e2eed81fb 100644 --- a/arch/arm/mach-ixp4xx/gtwx5715-setup.c +++ b/arch/arm/mach-ixp4xx/gtwx5715-setup.c @@ -142,7 +142,6 @@ static void __init gtwx5715_init(void) MACHINE_START(GTWX5715, "Gemtek GTWX5715 (Linksys WRV54G)") /* Maintainer: George Joseph */ - .phys_ram = PHYS_OFFSET, .phys_io = IXP4XX_UART2_BASE_PHYS, .io_pg_offst = ((IXP4XX_UART2_BASE_VIRT) >> 18) & 0xfffc, .map_io = ixp4xx_map_io, diff --git a/arch/arm/mach-ixp4xx/ixdp425-setup.c b/arch/arm/mach-ixp4xx/ixdp425-setup.c index c2e105c89c95..da72383ee301 100644 --- a/arch/arm/mach-ixp4xx/ixdp425-setup.c +++ b/arch/arm/mach-ixp4xx/ixdp425-setup.c @@ -121,7 +121,6 @@ static void __init ixdp425_init(void) #ifdef CONFIG_ARCH_IXDP425 MACHINE_START(IXDP425, "Intel IXDP425 Development Platform") /* Maintainer: MontaVista Software, Inc. */ - .phys_ram = PHYS_OFFSET, .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc, .map_io = ixp4xx_map_io, @@ -135,7 +134,6 @@ MACHINE_END #ifdef CONFIG_MACH_IXDP465 MACHINE_START(IXDP465, "Intel IXDP465 Development Platform") /* Maintainer: MontaVista Software, Inc. */ - .phys_ram = PHYS_OFFSET, .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc, .map_io = ixp4xx_map_io, @@ -149,7 +147,6 @@ MACHINE_END #ifdef CONFIG_ARCH_PRPMC1100 MACHINE_START(IXCDP1100, "Intel IXCDP1100 Development Platform") /* Maintainer: MontaVista Software, Inc. */ - .phys_ram = PHYS_OFFSET, .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc, .map_io = ixp4xx_map_io, @@ -169,7 +166,6 @@ MACHINE_END #ifdef CONFIG_ARCH_AVILA MACHINE_START(AVILA, "Gateworks Avila Network Platform") /* Maintainer: Deepak Saxena <dsaxena@plexity.net> */ - .phys_ram = PHYS_OFFSET, .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc, .map_io = ixp4xx_map_io, diff --git a/arch/arm/mach-ixp4xx/nas100d-setup.c b/arch/arm/mach-ixp4xx/nas100d-setup.c index 49998a8bd4e8..856d56f3b2ae 100644 --- a/arch/arm/mach-ixp4xx/nas100d-setup.c +++ b/arch/arm/mach-ixp4xx/nas100d-setup.c @@ -124,7 +124,6 @@ static void __init nas100d_init(void) MACHINE_START(NAS100D, "Iomega NAS 100d") /* Maintainer: www.nslu2-linux.org */ - .phys_ram = PHYS_OFFSET, .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC, .boot_params = 0x00000100, diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c index 289e94cb65c2..da9340a53434 100644 --- a/arch/arm/mach-ixp4xx/nslu2-setup.c +++ b/arch/arm/mach-ixp4xx/nslu2-setup.c @@ -123,7 +123,6 @@ static void __init nslu2_init(void) MACHINE_START(NSLU2, "Linksys NSLU2") /* Maintainer: www.nslu2-linux.org */ - .phys_ram = PHYS_OFFSET, .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC, .boot_params = 0x00000100, diff --git a/arch/arm/mach-l7200/core.c b/arch/arm/mach-l7200/core.c index 03ed742ae2be..ac626436e96f 100644 --- a/arch/arm/mach-l7200/core.c +++ b/arch/arm/mach-l7200/core.c @@ -91,7 +91,6 @@ static void __init l7200_map_io(void) MACHINE_START(L7200, "LinkUp Systems L7200") /* Maintainer: Steve Hill / Scott McConnell */ - .phys_ram = 0xf0000000, .phys_io = 0x80040000, .io_pg_offst = ((0xd0000000) >> 18) & 0xfffc, .map_io = l7200_map_io, diff --git a/arch/arm/mach-lh7a40x/arch-kev7a400.c b/arch/arm/mach-lh7a40x/arch-kev7a400.c index 19f2fa2244c4..2cccc27c62e4 100644 --- a/arch/arm/mach-lh7a40x/arch-kev7a400.c +++ b/arch/arm/mach-lh7a40x/arch-kev7a400.c @@ -112,7 +112,6 @@ void __init lh7a40x_init_board_irq (void) MACHINE_START (KEV7A400, "Sharp KEV7a400") /* Maintainer: Marc Singer */ - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((io_p2v (0x80000000))>>18) & 0xfffc, .boot_params = 0xc0000100, diff --git a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c index 4eb962fdb3a8..12e23277c5ea 100644 --- a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c +++ b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c @@ -317,7 +317,6 @@ lpd7a400_map_io(void) MACHINE_START (LPD7A400, "Logic Product Development LPD7A400-10") /* Maintainer: Marc Singer */ - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((io_p2v (0x80000000))>>18) & 0xfffc, .boot_params = 0xc0000100, @@ -333,7 +332,6 @@ MACHINE_END MACHINE_START (LPD7A404, "Logic Product Development LPD7A404-10") /* Maintainer: Marc Singer */ - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((io_p2v (0x80000000))>>18) & 0xfffc, .boot_params = 0xc0000100, diff --git a/arch/arm/mach-omap1/board-generic.c b/arch/arm/mach-omap1/board-generic.c index 4b292e93fbe2..bdc20b51b076 100644 --- a/arch/arm/mach-omap1/board-generic.c +++ b/arch/arm/mach-omap1/board-generic.c @@ -109,7 +109,6 @@ static void __init omap_generic_map_io(void) MACHINE_START(OMAP_GENERIC, "Generic OMAP1510/1610/1710") /* Maintainer: Tony Lindgren <tony@atomide.com> */ - .phys_ram = 0x10000000, .phys_io = 0xfff00000, .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, .boot_params = 0x10000100, diff --git a/arch/arm/mach-omap1/board-h2.c b/arch/arm/mach-omap1/board-h2.c index a07e2c9307fa..9533c36a92df 100644 --- a/arch/arm/mach-omap1/board-h2.c +++ b/arch/arm/mach-omap1/board-h2.c @@ -199,7 +199,6 @@ static void __init h2_map_io(void) MACHINE_START(OMAP_H2, "TI-H2") /* Maintainer: Imre Deak <imre.deak@nokia.com> */ - .phys_ram = 0x10000000, .phys_io = 0xfff00000, .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, .boot_params = 0x10000100, diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c index 668e278433c2..d665efc1c344 100644 --- a/arch/arm/mach-omap1/board-h3.c +++ b/arch/arm/mach-omap1/board-h3.c @@ -215,7 +215,6 @@ static void __init h3_map_io(void) MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board") /* Maintainer: Texas Instruments, Inc. */ - .phys_ram = 0x10000000, .phys_io = 0xfff00000, .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, .boot_params = 0x10000100, diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c index 95f1ff36cdcb..652f37c7f906 100644 --- a/arch/arm/mach-omap1/board-innovator.c +++ b/arch/arm/mach-omap1/board-innovator.c @@ -303,7 +303,6 @@ static void __init innovator_map_io(void) MACHINE_START(OMAP_INNOVATOR, "TI-Innovator") /* Maintainer: MontaVista Software, Inc. */ - .phys_ram = 0x10000000, .phys_io = 0xfff00000, .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, .boot_params = 0x10000100, diff --git a/arch/arm/mach-omap1/board-netstar.c b/arch/arm/mach-omap1/board-netstar.c index 0448fa7de8a4..58f783930d45 100644 --- a/arch/arm/mach-omap1/board-netstar.c +++ b/arch/arm/mach-omap1/board-netstar.c @@ -149,7 +149,6 @@ postcore_initcall(netstar_late_init); MACHINE_START(NETSTAR, "NetStar OMAP5910") /* Maintainer: Ladislav Michl <michl@2n.cz> */ - .phys_ram = 0x10000000, .phys_io = 0xfff00000, .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, .boot_params = 0x10000100, diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c index e990e1bc1669..e5d126e8f276 100644 --- a/arch/arm/mach-omap1/board-osk.c +++ b/arch/arm/mach-omap1/board-osk.c @@ -274,7 +274,6 @@ static void __init osk_map_io(void) MACHINE_START(OMAP_OSK, "TI-OSK") /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */ - .phys_ram = 0x10000000, .phys_io = 0xfff00000, .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, .boot_params = 0x10000100, diff --git a/arch/arm/mach-omap1/board-palmte.c b/arch/arm/mach-omap1/board-palmte.c index 5c975eb5c34b..67fada207622 100644 --- a/arch/arm/mach-omap1/board-palmte.c +++ b/arch/arm/mach-omap1/board-palmte.c @@ -76,7 +76,6 @@ static void __init omap_generic_map_io(void) } MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E") - .phys_ram = 0x10000000, .phys_io = 0xfff00000, .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, .boot_params = 0x10000100, diff --git a/arch/arm/mach-omap1/board-perseus2.c b/arch/arm/mach-omap1/board-perseus2.c index 92ff5dc07351..88708a0c52a2 100644 --- a/arch/arm/mach-omap1/board-perseus2.c +++ b/arch/arm/mach-omap1/board-perseus2.c @@ -199,7 +199,6 @@ static void __init omap_perseus2_map_io(void) MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2") /* Maintainer: Kevin Hilman <kjh@hilman.org> */ - .phys_ram = 0x10000000, .phys_io = 0xfff00000, .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, .boot_params = 0x10000100, diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c index 6f9a6220e78a..959b4b847c87 100644 --- a/arch/arm/mach-omap1/board-voiceblue.c +++ b/arch/arm/mach-omap1/board-voiceblue.c @@ -281,7 +281,6 @@ EXPORT_SYMBOL(voiceblue_wdt_ping); MACHINE_START(VOICEBLUE, "VoiceBlue OMAP5910") /* Maintainer: Ladislav Michl <michl@2n.cz> */ - .phys_ram = 0x10000000, .phys_io = 0xfff00000, .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, .boot_params = 0x10000100, diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index c602e7a3d93e..b937123e5c65 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -69,7 +69,6 @@ static void __init omap_generic_map_io(void) MACHINE_START(OMAP_GENERIC, "Generic OMAP24xx") /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */ - .phys_ram = 0x80000000, .phys_io = 0x48000000, .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, .boot_params = 0x80000100, diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c index f2554469a76a..c3c35d40378a 100644 --- a/arch/arm/mach-omap2/board-h4.c +++ b/arch/arm/mach-omap2/board-h4.c @@ -186,7 +186,6 @@ static void __init omap_h4_map_io(void) MACHINE_START(OMAP_H4, "OMAP2420 H4 board") /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */ - .phys_ram = 0x80000000, .phys_io = 0x48000000, .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, .boot_params = 0x80000100, diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c index 5a7b873f29b3..7ffd2de8f2f3 100644 --- a/arch/arm/mach-pxa/corgi.c +++ b/arch/arm/mach-pxa/corgi.c @@ -342,7 +342,6 @@ static void __init fixup_corgi(struct machine_desc *desc, #ifdef CONFIG_MACH_CORGI MACHINE_START(CORGI, "SHARP Corgi") - .phys_ram = 0xa0000000, .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_corgi, @@ -355,7 +354,6 @@ MACHINE_END #ifdef CONFIG_MACH_SHEPHERD MACHINE_START(SHEPHERD, "SHARP Shepherd") - .phys_ram = 0xa0000000, .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_corgi, @@ -368,7 +366,6 @@ MACHINE_END #ifdef CONFIG_MACH_HUSKY MACHINE_START(HUSKY, "SHARP Husky") - .phys_ram = 0xa0000000, .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_corgi, diff --git a/arch/arm/mach-pxa/idp.c b/arch/arm/mach-pxa/idp.c index 7de159e2ab42..347b9dea24c6 100644 --- a/arch/arm/mach-pxa/idp.c +++ b/arch/arm/mach-pxa/idp.c @@ -183,7 +183,6 @@ static void __init idp_map_io(void) MACHINE_START(PXA_IDP, "Vibren PXA255 IDP") /* Maintainer: Vibren Technologies */ - .phys_ram = 0xa0000000, .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .map_io = idp_map_io, diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c index b464bc88ff93..3e26d7ce5bb2 100644 --- a/arch/arm/mach-pxa/lubbock.c +++ b/arch/arm/mach-pxa/lubbock.c @@ -437,7 +437,6 @@ static void __init lubbock_map_io(void) MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)") /* Maintainer: MontaVista Software Inc. */ - .phys_ram = 0xa0000000, .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .map_io = lubbock_map_io, diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c index 8da9d3efe9a0..d5bda60209ec 100644 --- a/arch/arm/mach-pxa/mainstone.c +++ b/arch/arm/mach-pxa/mainstone.c @@ -489,7 +489,6 @@ static void __init mainstone_map_io(void) MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)") /* Maintainer: MontaVista Software Inc. */ - .phys_ram = 0xa0000000, .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .map_io = mainstone_map_io, diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c index 663c95005985..911e6ff5a9bd 100644 --- a/arch/arm/mach-pxa/poodle.c +++ b/arch/arm/mach-pxa/poodle.c @@ -311,7 +311,6 @@ static void __init fixup_poodle(struct machine_desc *desc, } MACHINE_START(POODLE, "SHARP Poodle") - .phys_ram = 0xa0000000, .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_poodle, diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c index a9eacc06555f..c094d99ebf56 100644 --- a/arch/arm/mach-pxa/spitz.c +++ b/arch/arm/mach-pxa/spitz.c @@ -497,7 +497,6 @@ static void __init fixup_spitz(struct machine_desc *desc, #ifdef CONFIG_MACH_SPITZ MACHINE_START(SPITZ, "SHARP Spitz") - .phys_ram = 0xa0000000, .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_spitz, @@ -510,7 +509,6 @@ MACHINE_END #ifdef CONFIG_MACH_BORZOI MACHINE_START(BORZOI, "SHARP Borzoi") - .phys_ram = 0xa0000000, .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_spitz, @@ -523,7 +521,6 @@ MACHINE_END #ifdef CONFIG_MACH_AKITA MACHINE_START(AKITA, "SHARP Akita") - .phys_ram = 0xa0000000, .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_spitz, diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c index e4f92efc616e..d168286ed470 100644 --- a/arch/arm/mach-pxa/tosa.c +++ b/arch/arm/mach-pxa/tosa.c @@ -295,7 +295,6 @@ static void __init fixup_tosa(struct machine_desc *desc, } MACHINE_START(TOSA, "SHARP Tosa") - .phys_ram = 0xa0000000, .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_tosa, diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig index 129976866d47..17f5f4439fe7 100644 --- a/arch/arm/mach-realview/Kconfig +++ b/arch/arm/mach-realview/Kconfig @@ -3,7 +3,6 @@ menu "RealView platform type" config MACH_REALVIEW_EB bool "Support RealView/EB platform" - default n select ARM_GIC help Include support for the ARM(R) RealView Emulation Baseboard platform. diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c index 112f7592aca9..d4a586e38d5b 100644 --- a/arch/arm/mach-realview/realview_eb.c +++ b/arch/arm/mach-realview/realview_eb.c @@ -166,7 +166,6 @@ static void __init realview_eb_init(void) MACHINE_START(REALVIEW_EB, "ARM-RealView EB") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .phys_ram = 0x00000000, .phys_io = REALVIEW_UART0_BASE, .io_pg_offst = (IO_ADDRESS(REALVIEW_UART0_BASE) >> 18) & 0xfffc, .boot_params = 0x00000100, diff --git a/arch/arm/mach-rpc/riscpc.c b/arch/arm/mach-rpc/riscpc.c index 5c4ac1c008a6..208a2b5dba1b 100644 --- a/arch/arm/mach-rpc/riscpc.c +++ b/arch/arm/mach-rpc/riscpc.c @@ -177,7 +177,6 @@ extern struct sys_timer ioc_timer; MACHINE_START(RISCPC, "Acorn-RiscPC") /* Maintainer: Russell King */ - .phys_ram = 0x10000000, .phys_io = 0x03000000, .io_pg_offst = ((0xe0000000) >> 18) & 0xfffc, .boot_params = 0x10000100, diff --git a/arch/arm/mach-s3c2410/mach-anubis.c b/arch/arm/mach-s3c2410/mach-anubis.c index 0f81fc0c2f7f..3e327b8e46be 100644 --- a/arch/arm/mach-s3c2410/mach-anubis.c +++ b/arch/arm/mach-s3c2410/mach-anubis.c @@ -294,7 +294,6 @@ static void __init anubis_map_io(void) MACHINE_START(ANUBIS, "Simtec-Anubis") /* Maintainer: Ben Dooks <ben@simtec.co.uk> */ - .phys_ram = S3C2410_SDRAM_PA, .phys_io = S3C2410_PA_UART, .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, .boot_params = S3C2410_SDRAM_PA + 0x100, diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c index 4d962717fdf7..995bb8add331 100644 --- a/arch/arm/mach-s3c2410/mach-bast.c +++ b/arch/arm/mach-s3c2410/mach-bast.c @@ -527,7 +527,6 @@ static void __init bast_init(void) MACHINE_START(BAST, "Simtec-BAST") /* Maintainer: Ben Dooks <ben@simtec.co.uk> */ - .phys_ram = S3C2410_SDRAM_PA, .phys_io = S3C2410_PA_UART, .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, .boot_params = S3C2410_SDRAM_PA + 0x100, diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c index 0aa8760598f7..1c316f14ed94 100644 --- a/arch/arm/mach-s3c2410/mach-h1940.c +++ b/arch/arm/mach-s3c2410/mach-h1940.c @@ -171,7 +171,6 @@ static void __init h1940_init(void) MACHINE_START(H1940, "IPAQ-H1940") /* Maintainer: Ben Dooks <ben@fluff.org> */ - .phys_ram = S3C2410_SDRAM_PA, .phys_io = S3C2410_PA_UART, .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, .boot_params = S3C2410_SDRAM_PA + 0x100, diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c index 378d640ab00b..116ac3169966 100644 --- a/arch/arm/mach-s3c2410/mach-n30.c +++ b/arch/arm/mach-s3c2410/mach-n30.c @@ -128,7 +128,6 @@ MACHINE_START(N30, "Acer-N30") /* Maintainer: Christer Weinigel <christer@weinigel.se>, Ben Dooks <ben-linux@fluff.org> */ - .phys_ram = S3C2410_SDRAM_PA, .phys_io = S3C2410_PA_UART, .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, .boot_params = S3C2410_SDRAM_PA + 0x100, diff --git a/arch/arm/mach-s3c2410/mach-nexcoder.c b/arch/arm/mach-s3c2410/mach-nexcoder.c index 42b0eeff2e0f..07d09509a626 100644 --- a/arch/arm/mach-s3c2410/mach-nexcoder.c +++ b/arch/arm/mach-s3c2410/mach-nexcoder.c @@ -148,7 +148,6 @@ static void __init nexcoder_map_io(void) MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440") /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */ - .phys_ram = S3C2410_SDRAM_PA, .phys_io = S3C2410_PA_UART, .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, .boot_params = S3C2410_SDRAM_PA + 0x100, diff --git a/arch/arm/mach-s3c2410/mach-otom.c b/arch/arm/mach-s3c2410/mach-otom.c index a2eb9ed48fcd..b39daedf93ca 100644 --- a/arch/arm/mach-s3c2410/mach-otom.c +++ b/arch/arm/mach-s3c2410/mach-otom.c @@ -116,7 +116,6 @@ static void __init otom11_map_io(void) MACHINE_START(OTOM, "Nex Vision - Otom 1.1") /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */ - .phys_ram = S3C2410_SDRAM_PA, .phys_io = S3C2410_PA_UART, .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, .boot_params = S3C2410_SDRAM_PA + 0x100, diff --git a/arch/arm/mach-s3c2410/mach-rx3715.c b/arch/arm/mach-s3c2410/mach-rx3715.c index f8d86d1e16b6..0260ed5ab946 100644 --- a/arch/arm/mach-s3c2410/mach-rx3715.c +++ b/arch/arm/mach-s3c2410/mach-rx3715.c @@ -205,7 +205,6 @@ static void __init rx3715_init_machine(void) MACHINE_START(RX3715, "IPAQ-RX3715") /* Maintainer: Ben Dooks <ben@fluff.org> */ - .phys_ram = S3C2410_SDRAM_PA, .phys_io = S3C2410_PA_UART, .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, .boot_params = S3C2410_SDRAM_PA + 0x100, diff --git a/arch/arm/mach-s3c2410/mach-smdk2410.c b/arch/arm/mach-s3c2410/mach-smdk2410.c index 2c91965ee1c8..1e76e1fdfcea 100644 --- a/arch/arm/mach-s3c2410/mach-smdk2410.c +++ b/arch/arm/mach-s3c2410/mach-smdk2410.c @@ -115,7 +115,6 @@ static void __init smdk2410_init_irq(void) MACHINE_START(SMDK2410, "SMDK2410") /* @TODO: request a new identifier and switch * to SMDK2410 */ /* Maintainer: Jonas Dietsche */ - .phys_ram = S3C2410_SDRAM_PA, .phys_io = S3C2410_PA_UART, .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, .boot_params = S3C2410_SDRAM_PA + 0x100, diff --git a/arch/arm/mach-s3c2410/mach-smdk2440.c b/arch/arm/mach-s3c2410/mach-smdk2440.c index 4e31118533e6..f4315721c3b8 100644 --- a/arch/arm/mach-s3c2410/mach-smdk2440.c +++ b/arch/arm/mach-s3c2410/mach-smdk2440.c @@ -216,7 +216,6 @@ static void __init smdk2440_machine_init(void) MACHINE_START(S3C2440, "SMDK2440") /* Maintainer: Ben Dooks <ben@fluff.org> */ - .phys_ram = S3C2410_SDRAM_PA, .phys_io = S3C2410_PA_UART, .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, .boot_params = S3C2410_SDRAM_PA + 0x100, diff --git a/arch/arm/mach-s3c2410/mach-vr1000.c b/arch/arm/mach-s3c2410/mach-vr1000.c index ae7e099bf6c8..785fc9cdcf7c 100644 --- a/arch/arm/mach-s3c2410/mach-vr1000.c +++ b/arch/arm/mach-s3c2410/mach-vr1000.c @@ -395,7 +395,6 @@ static void __init vr1000_map_io(void) MACHINE_START(VR1000, "Thorcom-VR1000") /* Maintainer: Ben Dooks <ben@simtec.co.uk> */ - .phys_ram = S3C2410_SDRAM_PA, .phys_io = S3C2410_PA_UART, .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, .boot_params = S3C2410_SDRAM_PA + 0x100, diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c index a66ac61233a2..a599bb0d4ab8 100644 --- a/arch/arm/mach-sa1100/assabet.c +++ b/arch/arm/mach-sa1100/assabet.c @@ -447,7 +447,6 @@ static void __init assabet_map_io(void) MACHINE_START(ASSABET, "Intel-Assabet") - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, .boot_params = 0xc0000100, diff --git a/arch/arm/mach-sa1100/badge4.c b/arch/arm/mach-sa1100/badge4.c index edccd5eb06be..f60b7a66dfa0 100644 --- a/arch/arm/mach-sa1100/badge4.c +++ b/arch/arm/mach-sa1100/badge4.c @@ -297,7 +297,6 @@ static void __init badge4_map_io(void) } MACHINE_START(BADGE4, "Hewlett-Packard Laboratories BadgePAD 4") - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, .boot_params = 0xc0000100, diff --git a/arch/arm/mach-sa1100/cerf.c b/arch/arm/mach-sa1100/cerf.c index 508593722bc7..8269a9ef9afe 100644 --- a/arch/arm/mach-sa1100/cerf.c +++ b/arch/arm/mach-sa1100/cerf.c @@ -135,7 +135,6 @@ static void __init cerf_init(void) MACHINE_START(CERF, "Intrinsyc CerfBoard/CerfCube") /* Maintainer: support@intrinsyc.com */ - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, .map_io = cerf_map_io, diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c index 522abc036d3a..6888816a1935 100644 --- a/arch/arm/mach-sa1100/collie.c +++ b/arch/arm/mach-sa1100/collie.c @@ -191,7 +191,6 @@ static void __init collie_map_io(void) } MACHINE_START(COLLIE, "Sharp-Collie") - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, .map_io = collie_map_io, diff --git a/arch/arm/mach-sa1100/h3600.c b/arch/arm/mach-sa1100/h3600.c index e8352b7f74b0..b04d92271020 100644 --- a/arch/arm/mach-sa1100/h3600.c +++ b/arch/arm/mach-sa1100/h3600.c @@ -392,7 +392,6 @@ static void __init h3100_map_io(void) } MACHINE_START(H3100, "Compaq iPAQ H3100") - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, .boot_params = 0xc0000100, @@ -510,7 +509,6 @@ static void __init h3600_map_io(void) } MACHINE_START(H3600, "Compaq iPAQ H3600") - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, .boot_params = 0xc0000100, @@ -897,7 +895,6 @@ static void __init h3800_map_io(void) } MACHINE_START(H3800, "Compaq iPAQ H3800") - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, .boot_params = 0xc0000100, diff --git a/arch/arm/mach-sa1100/hackkit.c b/arch/arm/mach-sa1100/hackkit.c index c922e043c424..046b213efd5b 100644 --- a/arch/arm/mach-sa1100/hackkit.c +++ b/arch/arm/mach-sa1100/hackkit.c @@ -195,7 +195,6 @@ static void __init hackkit_init(void) */ MACHINE_START(HACKKIT, "HackKit Cpu Board") - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, .boot_params = 0xc0000100, diff --git a/arch/arm/mach-sa1100/jornada720.c b/arch/arm/mach-sa1100/jornada720.c index 2f671cc3cb99..17f5a43acdb7 100644 --- a/arch/arm/mach-sa1100/jornada720.c +++ b/arch/arm/mach-sa1100/jornada720.c @@ -173,7 +173,6 @@ static void __init jornada720_mach_init(void) MACHINE_START(JORNADA720, "HP Jornada 720") /* Maintainer: Michael Gernoth <michael@gernoth.net> */ - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, .boot_params = 0xc0000100, diff --git a/arch/arm/mach-sa1100/lart.c b/arch/arm/mach-sa1100/lart.c index 8c9e3dd52942..07d3a696ae7f 100644 --- a/arch/arm/mach-sa1100/lart.c +++ b/arch/arm/mach-sa1100/lart.c @@ -60,7 +60,6 @@ static void __init lart_map_io(void) } MACHINE_START(LART, "LART") - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, .boot_params = 0xc0000100, diff --git a/arch/arm/mach-sa1100/pleb.c b/arch/arm/mach-sa1100/pleb.c index 58c18f9e9b7b..0709ebab531c 100644 --- a/arch/arm/mach-sa1100/pleb.c +++ b/arch/arm/mach-sa1100/pleb.c @@ -146,7 +146,6 @@ static void __init pleb_map_io(void) } MACHINE_START(PLEB, "PLEB") - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, .map_io = pleb_map_io, diff --git a/arch/arm/mach-sa1100/shannon.c b/arch/arm/mach-sa1100/shannon.c index 7482288278d9..5aafe0b56992 100644 --- a/arch/arm/mach-sa1100/shannon.c +++ b/arch/arm/mach-sa1100/shannon.c @@ -83,7 +83,6 @@ static void __init shannon_map_io(void) } MACHINE_START(SHANNON, "Shannon (AKA: Tuxscreen)") - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, .boot_params = 0xc0000100, diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c index 439ddc9b06d6..d2c23b2c34d1 100644 --- a/arch/arm/mach-sa1100/simpad.c +++ b/arch/arm/mach-sa1100/simpad.c @@ -229,7 +229,6 @@ arch_initcall(simpad_init); MACHINE_START(SIMPAD, "Simpad") /* Maintainer: Holger Freyther */ - .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, .boot_params = 0xc0000100, diff --git a/arch/arm/mach-shark/core.c b/arch/arm/mach-shark/core.c index 2d428b6dbb58..877600e212dd 100644 --- a/arch/arm/mach-shark/core.c +++ b/arch/arm/mach-shark/core.c @@ -111,7 +111,6 @@ static struct sys_timer shark_timer = { MACHINE_START(SHARK, "Shark") /* Maintainer: Alexander Schulz */ - .phys_ram = 0x08000000, .phys_io = 0x40000000, .io_pg_offst = ((0xe0000000) >> 18) & 0xfffc, .boot_params = 0x08003000, diff --git a/arch/arm/mach-versatile/Kconfig b/arch/arm/mach-versatile/Kconfig index 8d787f4c78e6..95096afd5271 100644 --- a/arch/arm/mach-versatile/Kconfig +++ b/arch/arm/mach-versatile/Kconfig @@ -9,7 +9,6 @@ config ARCH_VERSATILE_PB config MACH_VERSATILE_AB bool "Support Versatile/AB platform" - default n help Include support for the ARM(R) Versatile/AP platform. diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 90023745b23a..9ebbe808b41d 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -35,6 +35,7 @@ #include <asm/leds.h> #include <asm/hardware/arm_timer.h> #include <asm/hardware/icst307.h> +#include <asm/hardware/vic.h> #include <asm/mach/arch.h> #include <asm/mach/flash.h> @@ -56,24 +57,6 @@ #define VA_VIC_BASE __io_address(VERSATILE_VIC_BASE) #define VA_SIC_BASE __io_address(VERSATILE_SIC_BASE) -static void vic_mask_irq(unsigned int irq) -{ - irq -= IRQ_VIC_START; - writel(1 << irq, VA_VIC_BASE + VIC_IRQ_ENABLE_CLEAR); -} - -static void vic_unmask_irq(unsigned int irq) -{ - irq -= IRQ_VIC_START; - writel(1 << irq, VA_VIC_BASE + VIC_IRQ_ENABLE); -} - -static struct irqchip vic_chip = { - .ack = vic_mask_irq, - .mask = vic_mask_irq, - .unmask = vic_unmask_irq, -}; - static void sic_mask_irq(unsigned int irq) { irq -= IRQ_SIC_START; @@ -127,43 +110,12 @@ sic_handle_irq(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs) void __init versatile_init_irq(void) { - unsigned int i, value; - - /* Disable all interrupts initially. */ + unsigned int i; - writel(0, VA_VIC_BASE + VIC_INT_SELECT); - writel(0, VA_VIC_BASE + VIC_IRQ_ENABLE); - writel(~0, VA_VIC_BASE + VIC_IRQ_ENABLE_CLEAR); - writel(0, VA_VIC_BASE + VIC_IRQ_STATUS); - writel(0, VA_VIC_BASE + VIC_ITCR); - writel(~0, VA_VIC_BASE + VIC_IRQ_SOFT_CLEAR); - - /* - * Make sure we clear all existing interrupts - */ - writel(0, VA_VIC_BASE + VIC_VECT_ADDR); - for (i = 0; i < 19; i++) { - value = readl(VA_VIC_BASE + VIC_VECT_ADDR); - writel(value, VA_VIC_BASE + VIC_VECT_ADDR); - } - - for (i = 0; i < 16; i++) { - value = readl(VA_VIC_BASE + VIC_VECT_CNTL0 + (i * 4)); - writel(value | VICVectCntl_Enable | i, VA_VIC_BASE + VIC_VECT_CNTL0 + (i * 4)); - } - - writel(32, VA_VIC_BASE + VIC_DEF_VECT_ADDR); - - for (i = IRQ_VIC_START; i <= IRQ_VIC_END; i++) { - if (i != IRQ_VICSOURCE31) { - set_irq_chip(i, &vic_chip); - set_irq_handler(i, do_level_IRQ); - set_irq_flags(i, IRQF_VALID | IRQF_PROBE); - } - } + vic_init(VA_VIC_BASE, ~(1 << 31)); set_irq_handler(IRQ_VICSOURCE31, sic_handle_irq); - vic_unmask_irq(IRQ_VICSOURCE31); + enable_irq(IRQ_VICSOURCE31); /* Do second interrupt controller */ writel(~0, VA_SIC_BASE + SIC_IRQ_ENABLE_CLEAR); @@ -877,7 +829,7 @@ static unsigned long versatile_gettimeoffset(void) ticks2 = readl(TIMER0_VA_BASE + TIMER_VALUE) & 0xffff; do { ticks1 = ticks2; - status = __raw_readl(VA_IC_BASE + VIC_IRQ_RAW_STATUS); + status = __raw_readl(VA_IC_BASE + VIC_RAW_STATUS); ticks2 = readl(TIMER0_VA_BASE + TIMER_VALUE) & 0xffff; } while (ticks2 > ticks1); diff --git a/arch/arm/mach-versatile/versatile_ab.c b/arch/arm/mach-versatile/versatile_ab.c index e74c8a2fbb95..1eb596782078 100644 --- a/arch/arm/mach-versatile/versatile_ab.c +++ b/arch/arm/mach-versatile/versatile_ab.c @@ -36,7 +36,6 @@ MACHINE_START(VERSATILE_AB, "ARM-Versatile AB") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .phys_ram = 0x00000000, .phys_io = 0x101f1000, .io_pg_offst = ((0xf11f1000) >> 18) & 0xfffc, .boot_params = 0x00000100, diff --git a/arch/arm/mach-versatile/versatile_pb.c b/arch/arm/mach-versatile/versatile_pb.c index 22d5ca07f75d..f17ab4fb548a 100644 --- a/arch/arm/mach-versatile/versatile_pb.c +++ b/arch/arm/mach-versatile/versatile_pb.c @@ -100,7 +100,6 @@ arch_initcall(versatile_pb_init); MACHINE_START(VERSATILE_PB, "ARM-Versatile PB") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .phys_ram = 0x00000000, .phys_io = 0x101f1000, .io_pg_offst = ((0xf11f1000) >> 18) & 0xfffc, .boot_params = 0x00000100, diff --git a/arch/arm/nwfpe/fpa11.h b/arch/arm/nwfpe/fpa11.h index da4c616b6c49..28cd79a451d3 100644 --- a/arch/arm/nwfpe/fpa11.h +++ b/arch/arm/nwfpe/fpa11.h @@ -62,7 +62,7 @@ typedef union tagFPREG { #else u32 padding[3]; #endif -} FPREG; +} __attribute__ ((packed,aligned(4))) FPREG; /* * FPA11 device model. @@ -89,7 +89,7 @@ typedef struct tagFPA11 { so we can use it to detect whether this instance of the emulator needs to be initialised. */ -} FPA11; +} __attribute__ ((packed,aligned(4))) FPA11; extern int8 SetRoundingMode(const unsigned int); extern int8 SetRoundingPrecision(const unsigned int); diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index 9693e9b4ffd1..0887bb2a2551 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -22,7 +22,6 @@ comment "OMAP Feature Selections" config OMAP_RESET_CLOCKS bool "Reset unused clocks during boot" depends on ARCH_OMAP - default n help Say Y if you want to reset unused clocks during boot. This option saves power, but assumes all drivers are @@ -44,7 +43,6 @@ config OMAP_MUX config OMAP_MUX_DEBUG bool "Multiplexing debug output" depends on OMAP_MUX - default n help Makes the multiplexing functions print out a lot of debug info. This is useful if you want to find out the correct values of the @@ -93,7 +91,6 @@ config OMAP_32K_TIMER_HZ config OMAP_DM_TIMER bool "Use dual-mode timer" - default n depends on ARCH_OMAP16XX help Select this option if you want to use OMAP Dual-Mode timers. diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index d5d0df7f04fc..cbde675bc95c 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -702,6 +702,15 @@ config PHYSICAL_START Don't change this unless you know what you are doing. +config HOTPLUG_CPU + bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" + depends on SMP && HOTPLUG && EXPERIMENTAL + ---help--- + Say Y here to experiment with turning CPUs off and on. CPUs + can be controlled through /sys/devices/system/cpu. + + Say N. + endmenu @@ -988,15 +997,6 @@ config SCx200 This support is also available as a module. If compiled as a module, it will be called scx200. -config HOTPLUG_CPU - bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" - depends on SMP && HOTPLUG && EXPERIMENTAL - ---help--- - Say Y here to experiment with turning CPUs off and on. CPUs - can be controlled through /sys/devices/system/cpu. - - Say N. - source "drivers/pcmcia/Kconfig" source "drivers/pci/hotplug/Kconfig" diff --git a/arch/i386/Makefile b/arch/i386/Makefile index d3c0409d201c..bd2d53a9dd2b 100644 --- a/arch/i386/Makefile +++ b/arch/i386/Makefile @@ -42,9 +42,9 @@ include $(srctree)/arch/i386/Makefile.cpu cflags-$(CONFIG_REGPARM) += $(shell if [ $(call cc-version) -ge 0300 ] ; then \ echo "-mregparm=3"; fi ;) -# Disable unit-at-a-time mode, it makes gcc use a lot more stack -# due to the lack of sharing of stacklots. -CFLAGS += $(call cc-option,-fno-unit-at-a-time) +# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use +# a lot more stack due to the lack of sharing of stacklots: +CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;) CFLAGS += $(cflags-y) diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index b9f0030a2ebb..0aaebf3e1cfa 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -112,33 +112,38 @@ static inline int valid_stack_ptr(struct thread_info *tinfo, void *p) p < (void *)tinfo + THREAD_SIZE - 3; } +static void print_addr_and_symbol(unsigned long addr, char *log_lvl) +{ + printk(log_lvl); + printk(" [<%08lx>] ", addr); + print_symbol("%s", addr); + printk("\n"); +} + static inline unsigned long print_context_stack(struct thread_info *tinfo, - unsigned long *stack, unsigned long ebp) + unsigned long *stack, unsigned long ebp, + char *log_lvl) { unsigned long addr; #ifdef CONFIG_FRAME_POINTER while (valid_stack_ptr(tinfo, (void *)ebp)) { addr = *(unsigned long *)(ebp + 4); - printk(KERN_EMERG " [<%08lx>] ", addr); - print_symbol("%s", addr); - printk("\n"); + print_addr_and_symbol(addr, log_lvl); ebp = *(unsigned long *)ebp; } #else while (valid_stack_ptr(tinfo, stack)) { addr = *stack++; - if (__kernel_text_address(addr)) { - printk(KERN_EMERG " [<%08lx>]", addr); - print_symbol(" %s", addr); - printk("\n"); - } + if (__kernel_text_address(addr)) + print_addr_and_symbol(addr, log_lvl); } #endif return ebp; } -void show_trace(struct task_struct *task, unsigned long * stack) +static void show_trace_log_lvl(struct task_struct *task, + unsigned long *stack, char *log_lvl) { unsigned long ebp; @@ -157,7 +162,7 @@ void show_trace(struct task_struct *task, unsigned long * stack) struct thread_info *context; context = (struct thread_info *) ((unsigned long)stack & (~(THREAD_SIZE - 1))); - ebp = print_context_stack(context, stack, ebp); + ebp = print_context_stack(context, stack, ebp, log_lvl); stack = (unsigned long*)context->previous_esp; if (!stack) break; @@ -165,7 +170,13 @@ void show_trace(struct task_struct *task, unsigned long * stack) } } -void show_stack(struct task_struct *task, unsigned long *esp) +void show_trace(struct task_struct *task, unsigned long * stack) +{ + show_trace_log_lvl(task, stack, ""); +} + +static void show_stack_log_lvl(struct task_struct *task, unsigned long *esp, + char *log_lvl) { unsigned long *stack; int i; @@ -178,16 +189,26 @@ void show_stack(struct task_struct *task, unsigned long *esp) } stack = esp; - printk(KERN_EMERG); + printk(log_lvl); for(i = 0; i < kstack_depth_to_print; i++) { if (kstack_end(stack)) break; - if (i && ((i % 8) == 0)) - printk("\n" KERN_EMERG " "); + if (i && ((i % 8) == 0)) { + printk("\n"); + printk(log_lvl); + printk(" "); + } printk("%08lx ", *stack++); } - printk("\n" KERN_EMERG "Call Trace:\n"); - show_trace(task, esp); + printk("\n"); + printk(log_lvl); + printk("Call Trace:\n"); + show_trace_log_lvl(task, esp, log_lvl); +} + +void show_stack(struct task_struct *task, unsigned long *esp) +{ + show_stack_log_lvl(task, esp, ""); } /* @@ -238,7 +259,7 @@ void show_registers(struct pt_regs *regs) u8 __user *eip; printk("\n" KERN_EMERG "Stack: "); - show_stack(NULL, (unsigned long*)esp); + show_stack_log_lvl(NULL, (unsigned long *)esp, KERN_EMERG); printk(KERN_EMERG "Code: "); diff --git a/arch/i386/pci/fixup.c b/arch/i386/pci/fixup.c index 65f67070db64..83c3645ccc43 100644 --- a/arch/i386/pci/fixup.c +++ b/arch/i386/pci/fixup.c @@ -449,3 +449,19 @@ static void __devinit pci_post_fixup_toshiba_ohci1394(struct pci_dev *dev) } DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_TI, 0x8032, pci_post_fixup_toshiba_ohci1394); + + +/* + * Prevent the BIOS trapping accesses to the Cyrix CS5530A video device + * configuration space. + */ +static void __devinit pci_early_fixup_cyrix_5530(struct pci_dev *dev) +{ + u8 r; + /* clear 'F4 Video Configuration Trap' bit */ + pci_read_config_byte(dev, 0x42, &r); + r &= 0xfd; + pci_write_config_byte(dev, 0x42, r); +} +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY, + pci_early_fixup_cyrix_5530); diff --git a/arch/ia64/configs/gensparse_defconfig b/arch/ia64/configs/gensparse_defconfig index 80f8663bc6d9..1d07d8072ec2 100644 --- a/arch/ia64/configs/gensparse_defconfig +++ b/arch/ia64/configs/gensparse_defconfig @@ -701,6 +701,7 @@ CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_SERIAL_SGI_L1_CONSOLE=y # CONFIG_SERIAL_JSM is not set CONFIG_SERIAL_SGI_IOC4=y +CONFIG_SERIAL_SGI_IOC3=y CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -1046,6 +1047,7 @@ CONFIG_INFINIBAND_IPOIB=m # SN Devices # CONFIG_SGI_IOC4=y +CONFIG_SGI_IOC3=y # # File systems diff --git a/arch/ia64/configs/sn2_defconfig b/arch/ia64/configs/sn2_defconfig index ff8bb3770c9d..3cb503b659e6 100644 --- a/arch/ia64/configs/sn2_defconfig +++ b/arch/ia64/configs/sn2_defconfig @@ -659,6 +659,7 @@ CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_SERIAL_SGI_L1_CONSOLE=y # CONFIG_SERIAL_JSM is not set CONFIG_SERIAL_SGI_IOC4=y +CONFIG_SERIAL_SGI_IOC3=y CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -899,6 +900,7 @@ CONFIG_INFINIBAND_SRP=m # SN Devices # CONFIG_SGI_IOC4=y +CONFIG_SGI_IOC3=y # # File systems diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c index a346e1833bf2..626cdc83668b 100644 --- a/arch/ia64/hp/sim/simserial.c +++ b/arch/ia64/hp/sim/simserial.c @@ -108,7 +108,6 @@ static struct async_struct *IRQ_ports[NR_IRQS]; static struct console *console; static unsigned char *tmp_buf; -static DECLARE_MUTEX(tmp_buf_sem); extern struct console *console_drivers; /* from kernel/printk.c */ @@ -167,15 +166,9 @@ static void receive_chars(struct tty_struct *tty, struct pt_regs *regs) } } seen_esc = 0; - if (tty->flip.count >= TTY_FLIPBUF_SIZE) break; - *tty->flip.char_buf_ptr = ch; - - *tty->flip.flag_buf_ptr = 0; - - tty->flip.flag_buf_ptr++; - tty->flip.char_buf_ptr++; - tty->flip.count++; + if (tty_insert_flip_char(tty, ch, TTY_NORMAL) == 0) + break; } tty_flip_buffer_push(tty); } diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S index 2ddbac6f4999..ce423910ca97 100644 --- a/arch/ia64/kernel/fsys.S +++ b/arch/ia64/kernel/fsys.S @@ -903,5 +903,6 @@ fsyscall_table: data8 0 data8 0 data8 0 + data8 0 // 1280 .org fsyscall_table + 8*NR_syscalls // guard against failures to increase NR_syscalls diff --git a/arch/ia64/kernel/jprobes.S b/arch/ia64/kernel/jprobes.S index 2323377e3695..5cd6226f44f2 100644 --- a/arch/ia64/kernel/jprobes.S +++ b/arch/ia64/kernel/jprobes.S @@ -60,3 +60,30 @@ END(jprobe_break) GLOBAL_ENTRY(jprobe_inst_return) br.call.sptk.many b0=jprobe_break END(jprobe_inst_return) + +GLOBAL_ENTRY(invalidate_stacked_regs) + movl r16=invalidate_restore_cfm + ;; + mov b6=r16 + ;; + br.ret.sptk.many b6 + ;; +invalidate_restore_cfm: + mov r16=ar.rsc + ;; + mov ar.rsc=r0 + ;; + loadrs + ;; + mov ar.rsc=r16 + ;; + br.cond.sptk.many rp +END(invalidate_stacked_regs) + +GLOBAL_ENTRY(flush_register_stack) + // flush dirty regs to backing store (must be first in insn group) + flushrs + ;; + br.ret.sptk.many rp +END(flush_register_stack) + diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index 346fedf9ea47..50ae8c7d453d 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -766,11 +766,56 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self, return ret; } +struct param_bsp_cfm { + unsigned long ip; + unsigned long *bsp; + unsigned long cfm; +}; + +static void ia64_get_bsp_cfm(struct unw_frame_info *info, void *arg) +{ + unsigned long ip; + struct param_bsp_cfm *lp = arg; + + do { + unw_get_ip(info, &ip); + if (ip == 0) + break; + if (ip == lp->ip) { + unw_get_bsp(info, (unsigned long*)&lp->bsp); + unw_get_cfm(info, (unsigned long*)&lp->cfm); + return; + } + } while (unw_unwind(info) >= 0); + lp->bsp = 0; + lp->cfm = 0; + return; +} + int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) { struct jprobe *jp = container_of(p, struct jprobe, kp); unsigned long addr = ((struct fnptr *)(jp->entry))->ip; struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); + struct param_bsp_cfm pa; + int bytes; + + /* + * Callee owns the argument space and could overwrite it, eg + * tail call optimization. So to be absolutely safe + * we save the argument space before transfering the control + * to instrumented jprobe function which runs in + * the process context + */ + pa.ip = regs->cr_iip; + unw_init_running(ia64_get_bsp_cfm, &pa); + bytes = (char *)ia64_rse_skip_regs(pa.bsp, pa.cfm & 0x3f) + - (char *)pa.bsp; + memcpy( kcb->jprobes_saved_stacked_regs, + pa.bsp, + bytes ); + kcb->bsp = pa.bsp; + kcb->cfm = pa.cfm; /* save architectural state */ kcb->jprobe_saved_regs = *regs; @@ -792,8 +837,20 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs) { struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); + int bytes; + /* restoring architectural state */ *regs = kcb->jprobe_saved_regs; + + /* restoring the original argument space */ + flush_register_stack(); + bytes = (char *)ia64_rse_skip_regs(kcb->bsp, kcb->cfm & 0x3f) + - (char *)kcb->bsp; + memcpy( kcb->bsp, + kcb->jprobes_saved_stacked_regs, + bytes ); + invalidate_stacked_regs(); + preempt_enable_no_resched(); return 1; } diff --git a/arch/ia64/kernel/mca_asm.S b/arch/ia64/kernel/mca_asm.S index db32fc1d3935..403a80a58c13 100644 --- a/arch/ia64/kernel/mca_asm.S +++ b/arch/ia64/kernel/mca_asm.S @@ -847,7 +847,7 @@ ia64_state_restore: ;; mov cr.iim=temp3 mov cr.iha=temp4 - dep r22=0,r22,62,2 // pal_min_state, physical, uncached + dep r22=0,r22,62,1 // pal_min_state, physical, uncached mov IA64_KR(CURRENT)=r21 ld8 r8=[temp1] // os_status ld8 r10=[temp2] // context diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c index a87a162a3086..9d5a823479a3 100644 --- a/arch/ia64/kernel/salinfo.c +++ b/arch/ia64/kernel/salinfo.c @@ -3,7 +3,7 @@ * * Creates entries in /proc/sal for various system features. * - * Copyright (c) 2003 Silicon Graphics, Inc. All rights reserved. + * Copyright (c) 2003, 2006 Silicon Graphics, Inc. All rights reserved. * Copyright (c) 2003 Hewlett-Packard Co * Bjorn Helgaas <bjorn.helgaas@hp.com> * @@ -27,9 +27,17 @@ * mca.c may not pass a buffer, a NULL buffer just indicates that a new * record is available in SAL. * Replace some NR_CPUS by cpus_online, for hotplug cpu. + * + * Jan 5 2006 kaos@sgi.com + * Handle hotplug cpus coming online. + * Handle hotplug cpus going offline while they still have outstanding records. + * Use the cpu_* macros consistently. + * Replace the counting semaphore with a mutex and a test if the cpumask is non-empty. + * Modify the locking to make the test for "work to do" an atomic operation. */ #include <linux/capability.h> +#include <linux/cpu.h> #include <linux/types.h> #include <linux/proc_fs.h> #include <linux/module.h> @@ -132,8 +140,8 @@ enum salinfo_state { }; struct salinfo_data { - volatile cpumask_t cpu_event; /* which cpus have outstanding events */ - struct semaphore sem; /* count of cpus with outstanding events (bits set in cpu_event) */ + cpumask_t cpu_event; /* which cpus have outstanding events */ + struct semaphore mutex; u8 *log_buffer; u64 log_size; u8 *oemdata; /* decoded oem data */ @@ -174,6 +182,21 @@ struct salinfo_platform_oemdata_parms { int ret; }; +/* Kick the mutex that tells user space that there is work to do. Instead of + * trying to track the state of the mutex across multiple cpus, in user + * context, interrupt context, non-maskable interrupt context and hotplug cpu, + * it is far easier just to grab the mutex if it is free then release it. + * + * This routine must be called with data_saved_lock held, to make the down/up + * operation atomic. + */ +static void +salinfo_work_to_do(struct salinfo_data *data) +{ + down_trylock(&data->mutex); + up(&data->mutex); +} + static void salinfo_platform_oemdata_cpu(void *context) { @@ -212,9 +235,9 @@ salinfo_log_wakeup(int type, u8 *buffer, u64 size, int irqsafe) BUG_ON(type >= ARRAY_SIZE(salinfo_log_name)); + if (irqsafe) + spin_lock_irqsave(&data_saved_lock, flags); if (buffer) { - if (irqsafe) - spin_lock_irqsave(&data_saved_lock, flags); for (i = 0, data_saved = data->data_saved; i < saved_size; ++i, ++data_saved) { if (!data_saved->buffer) break; @@ -232,13 +255,11 @@ salinfo_log_wakeup(int type, u8 *buffer, u64 size, int irqsafe) data_saved->size = size; data_saved->buffer = buffer; } - if (irqsafe) - spin_unlock_irqrestore(&data_saved_lock, flags); } - - if (!test_and_set_bit(smp_processor_id(), &data->cpu_event)) { - if (irqsafe) - up(&data->sem); + cpu_set(smp_processor_id(), data->cpu_event); + if (irqsafe) { + salinfo_work_to_do(data); + spin_unlock_irqrestore(&data_saved_lock, flags); } } @@ -249,20 +270,17 @@ static struct timer_list salinfo_timer; static void salinfo_timeout_check(struct salinfo_data *data) { - int i; + unsigned long flags; if (!data->open) return; - for_each_online_cpu(i) { - if (test_bit(i, &data->cpu_event)) { - /* double up() is not a problem, user space will see no - * records for the additional "events". - */ - up(&data->sem); - } + if (!cpus_empty(data->cpu_event)) { + spin_lock_irqsave(&data_saved_lock, flags); + salinfo_work_to_do(data); + spin_unlock_irqrestore(&data_saved_lock, flags); } } -static void +static void salinfo_timeout (unsigned long arg) { salinfo_timeout_check(salinfo_data + SAL_INFO_TYPE_MCA); @@ -290,16 +308,20 @@ salinfo_event_read(struct file *file, char __user *buffer, size_t count, loff_t int i, n, cpu = -1; retry: - if (down_trylock(&data->sem)) { + if (cpus_empty(data->cpu_event) && down_trylock(&data->mutex)) { if (file->f_flags & O_NONBLOCK) return -EAGAIN; - if (down_interruptible(&data->sem)) + if (down_interruptible(&data->mutex)) return -EINTR; } n = data->cpu_check; for (i = 0; i < NR_CPUS; i++) { - if (test_bit(n, &data->cpu_event) && cpu_online(n)) { + if (cpu_isset(n, data->cpu_event)) { + if (!cpu_online(n)) { + cpu_clear(n, data->cpu_event); + continue; + } cpu = n; break; } @@ -310,9 +332,6 @@ retry: if (cpu == -1) goto retry; - /* events are sticky until the user says "clear" */ - up(&data->sem); - /* for next read, start checking at next CPU */ data->cpu_check = cpu; if (++data->cpu_check == NR_CPUS) @@ -381,10 +400,8 @@ salinfo_log_release(struct inode *inode, struct file *file) static void call_on_cpu(int cpu, void (*fn)(void *), void *arg) { - cpumask_t save_cpus_allowed, new_cpus_allowed; - memcpy(&save_cpus_allowed, ¤t->cpus_allowed, sizeof(save_cpus_allowed)); - memset(&new_cpus_allowed, 0, sizeof(new_cpus_allowed)); - set_bit(cpu, &new_cpus_allowed); + cpumask_t save_cpus_allowed = current->cpus_allowed; + cpumask_t new_cpus_allowed = cpumask_of_cpu(cpu); set_cpus_allowed(current, new_cpus_allowed); (*fn)(arg); set_cpus_allowed(current, save_cpus_allowed); @@ -433,10 +450,10 @@ retry: if (!data->saved_num) call_on_cpu(cpu, salinfo_log_read_cpu, data); if (!data->log_size) { - data->state = STATE_NO_DATA; - clear_bit(cpu, &data->cpu_event); + data->state = STATE_NO_DATA; + cpu_clear(cpu, data->cpu_event); } else { - data->state = STATE_LOG_RECORD; + data->state = STATE_LOG_RECORD; } } @@ -473,27 +490,31 @@ static int salinfo_log_clear(struct salinfo_data *data, int cpu) { sal_log_record_header_t *rh; + unsigned long flags; + spin_lock_irqsave(&data_saved_lock, flags); data->state = STATE_NO_DATA; - if (!test_bit(cpu, &data->cpu_event)) + if (!cpu_isset(cpu, data->cpu_event)) { + spin_unlock_irqrestore(&data_saved_lock, flags); return 0; - down(&data->sem); - clear_bit(cpu, &data->cpu_event); + } + cpu_clear(cpu, data->cpu_event); if (data->saved_num) { - unsigned long flags; - spin_lock_irqsave(&data_saved_lock, flags); - shift1_data_saved(data, data->saved_num - 1 ); + shift1_data_saved(data, data->saved_num - 1); data->saved_num = 0; - spin_unlock_irqrestore(&data_saved_lock, flags); } + spin_unlock_irqrestore(&data_saved_lock, flags); rh = (sal_log_record_header_t *)(data->log_buffer); /* Corrected errors have already been cleared from SAL */ if (rh->severity != sal_log_severity_corrected) call_on_cpu(cpu, salinfo_log_clear_cpu, data); /* clearing a record may make a new record visible */ salinfo_log_new_read(cpu, data); - if (data->state == STATE_LOG_RECORD && - !test_and_set_bit(cpu, &data->cpu_event)) - up(&data->sem); + if (data->state == STATE_LOG_RECORD) { + spin_lock_irqsave(&data_saved_lock, flags); + cpu_set(cpu, data->cpu_event); + salinfo_work_to_do(data); + spin_unlock_irqrestore(&data_saved_lock, flags); + } return 0; } @@ -550,6 +571,53 @@ static struct file_operations salinfo_data_fops = { .write = salinfo_log_write, }; +#ifdef CONFIG_HOTPLUG_CPU +static int __devinit +salinfo_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu) +{ + unsigned int i, cpu = (unsigned long)hcpu; + unsigned long flags; + struct salinfo_data *data; + switch (action) { + case CPU_ONLINE: + spin_lock_irqsave(&data_saved_lock, flags); + for (i = 0, data = salinfo_data; + i < ARRAY_SIZE(salinfo_data); + ++i, ++data) { + cpu_set(cpu, data->cpu_event); + salinfo_work_to_do(data); + } + spin_unlock_irqrestore(&data_saved_lock, flags); + break; + case CPU_DEAD: + spin_lock_irqsave(&data_saved_lock, flags); + for (i = 0, data = salinfo_data; + i < ARRAY_SIZE(salinfo_data); + ++i, ++data) { + struct salinfo_data_saved *data_saved; + int j; + for (j = ARRAY_SIZE(data->data_saved) - 1, data_saved = data->data_saved + j; + j >= 0; + --j, --data_saved) { + if (data_saved->buffer && data_saved->cpu == cpu) { + shift1_data_saved(data, j); + } + } + cpu_clear(cpu, data->cpu_event); + } + spin_unlock_irqrestore(&data_saved_lock, flags); + break; + } + return NOTIFY_OK; +} + +static struct notifier_block salinfo_cpu_notifier = +{ + .notifier_call = salinfo_cpu_callback, + .priority = 0, +}; +#endif /* CONFIG_HOTPLUG_CPU */ + static int __init salinfo_init(void) { @@ -557,7 +625,7 @@ salinfo_init(void) struct proc_dir_entry **sdir = salinfo_proc_entries; /* keeps track of every entry */ struct proc_dir_entry *dir, *entry; struct salinfo_data *data; - int i, j, online; + int i, j; salinfo_dir = proc_mkdir("sal", NULL); if (!salinfo_dir) @@ -572,7 +640,7 @@ salinfo_init(void) for (i = 0; i < ARRAY_SIZE(salinfo_log_name); i++) { data = salinfo_data + i; data->type = i; - sema_init(&data->sem, 0); + init_MUTEX(&data->mutex); dir = proc_mkdir(salinfo_log_name[i], salinfo_dir); if (!dir) continue; @@ -592,12 +660,8 @@ salinfo_init(void) *sdir++ = entry; /* we missed any events before now */ - online = 0; - for_each_online_cpu(j) { - set_bit(j, &data->cpu_event); - ++online; - } - sema_init(&data->sem, online); + for_each_online_cpu(j) + cpu_set(j, data->cpu_event); *sdir++ = dir; } @@ -609,6 +673,10 @@ salinfo_init(void) salinfo_timer.function = &salinfo_timeout; add_timer(&salinfo_timer); +#ifdef CONFIG_HOTPLUG_CPU + register_cpu_notifier(&salinfo_cpu_notifier); +#endif + return 0; } diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c index d3e0ecb56d62..55391901b013 100644 --- a/arch/ia64/kernel/traps.c +++ b/arch/ia64/kernel/traps.c @@ -530,12 +530,15 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa, if (fsys_mode(current, ®s)) { extern char __kernel_syscall_via_break[]; /* - * Got a trap in fsys-mode: Taken Branch Trap and Single Step trap - * need special handling; Debug trap is not supposed to happen. + * Got a trap in fsys-mode: Taken Branch Trap + * and Single Step trap need special handling; + * Debug trap is ignored (we disable it here + * and re-enable it in the lower-privilege trap). */ if (unlikely(vector == 29)) { - die("Got debug trap in fsys-mode---not supposed to happen!", - ®s, 0); + set_thread_flag(TIF_DB_DISABLED); + ia64_psr(®s)->db = 0; + ia64_psr(®s)->lp = 1; return; } /* re-do the system call via break 0x100000: */ @@ -589,10 +592,19 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa, case 34: if (isr & 0x2) { /* Lower-Privilege Transfer Trap */ + + /* If we disabled debug traps during an fsyscall, + * re-enable them here. + */ + if (test_thread_flag(TIF_DB_DISABLED)) { + clear_thread_flag(TIF_DB_DISABLED); + ia64_psr(®s)->db = 1; + } + /* - * Just clear PSR.lp and then return immediately: all the - * interesting work (e.g., signal delivery is done in the kernel - * exit path). + * Just clear PSR.lp and then return immediately: + * all the interesting work (e.g., signal delivery) + * is done in the kernel exit path. */ ia64_psr(®s)->lp = 0; return; diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c index 41105d454423..6a4eec9113e8 100644 --- a/arch/ia64/mm/tlb.c +++ b/arch/ia64/mm/tlb.c @@ -90,7 +90,7 @@ ia64_global_tlb_purge (struct mm_struct *mm, unsigned long start, { static DEFINE_SPINLOCK(ptcg_lock); - if (mm != current->active_mm) { + if (mm != current->active_mm || !current->mm) { flush_tlb_all(); return; } diff --git a/arch/ia64/sn/include/xtalk/hubdev.h b/arch/ia64/sn/include/xtalk/hubdev.h index 71c2b271b4c6..4d417c301201 100644 --- a/arch/ia64/sn/include/xtalk/hubdev.h +++ b/arch/ia64/sn/include/xtalk/hubdev.h @@ -26,11 +26,14 @@ #define IIO_NUM_ITTES 7 #define HUB_NUM_BIG_WINDOW (IIO_NUM_ITTES - 1) -struct sn_flush_device_list { +/* This struct is shared between the PROM and the kernel. + * Changes to this struct will require corresponding changes to the kernel. + */ +struct sn_flush_device_common { int sfdl_bus; int sfdl_slot; int sfdl_pin; - struct bar_list { + struct common_bar_list { unsigned long start; unsigned long end; } sfdl_bar_list[6]; @@ -40,14 +43,19 @@ struct sn_flush_device_list { uint32_t sfdl_persistent_busnum; uint32_t sfdl_persistent_segment; struct pcibus_info *sfdl_pcibus_info; +}; + +/* This struct is kernel only and is not used by the PROM */ +struct sn_flush_device_kernel { spinlock_t sfdl_flush_lock; + struct sn_flush_device_common *common; }; /* - * **widget_p - Used as an array[wid_num][device] of sn_flush_device_list. + * **widget_p - Used as an array[wid_num][device] of sn_flush_device_kernel. */ struct sn_flush_nasid_entry { - struct sn_flush_device_list **widget_p; /* Used as a array of wid_num */ + struct sn_flush_device_kernel **widget_p; // Used as an array of wid_num uint64_t iio_itte[8]; }; diff --git a/arch/ia64/sn/kernel/bte_error.c b/arch/ia64/sn/kernel/bte_error.c index fcbc748ae433..f1ec1370b3e3 100644 --- a/arch/ia64/sn/kernel/bte_error.c +++ b/arch/ia64/sn/kernel/bte_error.c @@ -33,7 +33,7 @@ void bte_error_handler(unsigned long); * Wait until all BTE related CRBs are completed * and then reset the interfaces. */ -void shub1_bte_error_handler(unsigned long _nodepda) +int shub1_bte_error_handler(unsigned long _nodepda) { struct nodepda_s *err_nodepda = (struct nodepda_s *)_nodepda; struct timer_list *recovery_timer = &err_nodepda->bte_recovery_timer; @@ -53,7 +53,7 @@ void shub1_bte_error_handler(unsigned long _nodepda) (err_nodepda->bte_if[1].bh_error == BTE_SUCCESS)) { BTE_PRINTK(("eh:%p:%d Nothing to do.\n", err_nodepda, smp_processor_id())); - return; + return 1; } /* Determine information about our hub */ @@ -81,7 +81,7 @@ void shub1_bte_error_handler(unsigned long _nodepda) mod_timer(recovery_timer, HZ * 5); BTE_PRINTK(("eh:%p:%d Marked Giving up\n", err_nodepda, smp_processor_id())); - return; + return 1; } if (icmr.ii_icmr_fld_s.i_crb_vld != 0) { @@ -99,7 +99,7 @@ void shub1_bte_error_handler(unsigned long _nodepda) BTE_PRINTK(("eh:%p:%d Valid %d, Giving up\n", err_nodepda, smp_processor_id(), i)); - return; + return 1; } } } @@ -124,6 +124,42 @@ void shub1_bte_error_handler(unsigned long _nodepda) REMOTE_HUB_S(nasid, IIO_IBCR, ibcr.ii_ibcr_regval); del_timer(recovery_timer); + return 0; +} + +/* + * Wait until all BTE related CRBs are completed + * and then reset the interfaces. + */ +int shub2_bte_error_handler(unsigned long _nodepda) +{ + struct nodepda_s *err_nodepda = (struct nodepda_s *)_nodepda; + struct timer_list *recovery_timer = &err_nodepda->bte_recovery_timer; + struct bteinfo_s *bte; + nasid_t nasid; + u64 status; + int i; + + nasid = cnodeid_to_nasid(err_nodepda->bte_if[0].bte_cnode); + + /* + * Verify that all the BTEs are complete + */ + for (i = 0; i < BTES_PER_NODE; i++) { + bte = &err_nodepda->bte_if[i]; + status = BTE_LNSTAT_LOAD(bte); + if ((status & IBLS_ERROR) || !(status & IBLS_BUSY)) + continue; + mod_timer(recovery_timer, HZ * 5); + BTE_PRINTK(("eh:%p:%d Marked Giving up\n", err_nodepda, + smp_processor_id())); + return 1; + } + if (ia64_sn_bte_recovery(nasid)) + panic("bte_error_handler(): Fatal BTE Error"); + + del_timer(recovery_timer); + return 0; } /* @@ -135,7 +171,6 @@ void bte_error_handler(unsigned long _nodepda) struct nodepda_s *err_nodepda = (struct nodepda_s *)_nodepda; spinlock_t *recovery_lock = &err_nodepda->bte_recovery_lock; int i; - nasid_t nasid; unsigned long irq_flags; volatile u64 *notify; bte_result_t bh_error; @@ -160,12 +195,15 @@ void bte_error_handler(unsigned long _nodepda) } if (is_shub1()) { - shub1_bte_error_handler(_nodepda); + if (shub1_bte_error_handler(_nodepda)) { + spin_unlock_irqrestore(recovery_lock, irq_flags); + return; + } } else { - nasid = cnodeid_to_nasid(err_nodepda->bte_if[0].bte_cnode); - - if (ia64_sn_bte_recovery(nasid)) - panic("bte_error_handler(): Fatal BTE Error"); + if (shub2_bte_error_handler(_nodepda)) { + spin_unlock_irqrestore(recovery_lock, irq_flags); + return; + } } for (i = 0; i < BTES_PER_NODE; i++) { diff --git a/arch/ia64/sn/kernel/huberror.c b/arch/ia64/sn/kernel/huberror.c index 5c5eb01c50f0..56ab6bae00ee 100644 --- a/arch/ia64/sn/kernel/huberror.c +++ b/arch/ia64/sn/kernel/huberror.c @@ -32,13 +32,14 @@ static irqreturn_t hub_eint_handler(int irq, void *arg, struct pt_regs *ep) ret_stuff.v0 = 0; hubdev_info = (struct hubdev_info *)arg; nasid = hubdev_info->hdi_nasid; - SAL_CALL_NOLOCK(ret_stuff, SN_SAL_HUB_ERROR_INTERRUPT, + + if (is_shub1()) { + SAL_CALL_NOLOCK(ret_stuff, SN_SAL_HUB_ERROR_INTERRUPT, (u64) nasid, 0, 0, 0, 0, 0, 0); - if ((int)ret_stuff.v0) - panic("hubii_eint_handler(): Fatal TIO Error"); + if ((int)ret_stuff.v0) + panic("hubii_eint_handler(): Fatal TIO Error"); - if (is_shub1()) { if (!(nasid & 1)) /* Not a TIO, handle CRB errors */ (void)hubiio_crb_error_handler(hubdev_info); } else diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c index 318087e35b66..258d9d7aff98 100644 --- a/arch/ia64/sn/kernel/io_init.c +++ b/arch/ia64/sn/kernel/io_init.c @@ -76,11 +76,12 @@ static struct sn_pcibus_provider sn_pci_default_provider = { }; /* - * Retrieve the DMA Flush List given nasid. This list is needed - * to implement the WAR - Flush DMA data on PIO Reads. + * Retrieve the DMA Flush List given nasid, widget, and device. + * This list is needed to implement the WAR - Flush DMA data on PIO Reads. */ -static inline uint64_t -sal_get_widget_dmaflush_list(u64 nasid, u64 widget_num, u64 address) +static inline u64 +sal_get_device_dmaflush_list(u64 nasid, u64 widget_num, u64 device_num, + u64 address) { struct ia64_sal_retval ret_stuff; @@ -88,17 +89,17 @@ sal_get_widget_dmaflush_list(u64 nasid, u64 widget_num, u64 address) ret_stuff.v0 = 0; SAL_CALL_NOLOCK(ret_stuff, - (u64) SN_SAL_IOIF_GET_WIDGET_DMAFLUSH_LIST, - (u64) nasid, (u64) widget_num, (u64) address, 0, 0, 0, - 0); - return ret_stuff.v0; + (u64) SN_SAL_IOIF_GET_DEVICE_DMAFLUSH_LIST, + (u64) nasid, (u64) widget_num, + (u64) device_num, (u64) address, 0, 0, 0); + return ret_stuff.status; } /* * Retrieve the hub device info structure for the given nasid. */ -static inline uint64_t sal_get_hubdev_info(u64 handle, u64 address) +static inline u64 sal_get_hubdev_info(u64 handle, u64 address) { struct ia64_sal_retval ret_stuff; @@ -114,7 +115,7 @@ static inline uint64_t sal_get_hubdev_info(u64 handle, u64 address) /* * Retrieve the pci bus information given the bus number. */ -static inline uint64_t sal_get_pcibus_info(u64 segment, u64 busnum, u64 address) +static inline u64 sal_get_pcibus_info(u64 segment, u64 busnum, u64 address) { struct ia64_sal_retval ret_stuff; @@ -130,7 +131,7 @@ static inline uint64_t sal_get_pcibus_info(u64 segment, u64 busnum, u64 address) /* * Retrieve the pci device information given the bus and device|function number. */ -static inline uint64_t +static inline u64 sal_get_pcidev_info(u64 segment, u64 bus_number, u64 devfn, u64 pci_dev, u64 sn_irq_info) { @@ -170,12 +171,12 @@ sn_pcidev_info_get(struct pci_dev *dev) */ static void sn_fixup_ionodes(void) { - - struct sn_flush_device_list *sn_flush_device_list; + struct sn_flush_device_kernel *sn_flush_device_kernel; + struct sn_flush_device_kernel *dev_entry; struct hubdev_info *hubdev; - uint64_t status; - uint64_t nasid; - int i, widget; + u64 status; + u64 nasid; + int i, widget, device; /* * Get SGI Specific HUB chipset information. @@ -186,7 +187,7 @@ static void sn_fixup_ionodes(void) nasid = cnodeid_to_nasid(i); hubdev->max_segment_number = 0xffffffff; hubdev->max_pcibus_number = 0xff; - status = sal_get_hubdev_info(nasid, (uint64_t) __pa(hubdev)); + status = sal_get_hubdev_info(nasid, (u64) __pa(hubdev)); if (status) continue; @@ -213,38 +214,49 @@ static void sn_fixup_ionodes(void) hubdev->hdi_flush_nasid_list.widget_p = kmalloc((HUB_WIDGET_ID_MAX + 1) * - sizeof(struct sn_flush_device_list *), GFP_KERNEL); - + sizeof(struct sn_flush_device_kernel *), + GFP_KERNEL); memset(hubdev->hdi_flush_nasid_list.widget_p, 0x0, (HUB_WIDGET_ID_MAX + 1) * - sizeof(struct sn_flush_device_list *)); + sizeof(struct sn_flush_device_kernel *)); for (widget = 0; widget <= HUB_WIDGET_ID_MAX; widget++) { - sn_flush_device_list = kmalloc(DEV_PER_WIDGET * - sizeof(struct - sn_flush_device_list), - GFP_KERNEL); - memset(sn_flush_device_list, 0x0, + sn_flush_device_kernel = kmalloc(DEV_PER_WIDGET * + sizeof(struct + sn_flush_device_kernel), + GFP_KERNEL); + if (!sn_flush_device_kernel) + BUG(); + memset(sn_flush_device_kernel, 0x0, DEV_PER_WIDGET * - sizeof(struct sn_flush_device_list)); - - status = - sal_get_widget_dmaflush_list(nasid, widget, - (uint64_t) - __pa - (sn_flush_device_list)); - if (status) { - kfree(sn_flush_device_list); - continue; + sizeof(struct sn_flush_device_kernel)); + + dev_entry = sn_flush_device_kernel; + for (device = 0; device < DEV_PER_WIDGET; + device++,dev_entry++) { + dev_entry->common = kmalloc(sizeof(struct + sn_flush_device_common), + GFP_KERNEL); + if (!dev_entry->common) + BUG(); + memset(dev_entry->common, 0x0, sizeof(struct + sn_flush_device_common)); + + status = sal_get_device_dmaflush_list(nasid, + widget, + device, + (u64)(dev_entry->common)); + if (status) + BUG(); + + spin_lock_init(&dev_entry->sfdl_flush_lock); } - spin_lock_init(&sn_flush_device_list->sfdl_flush_lock); - hubdev->hdi_flush_nasid_list.widget_p[widget] = - sn_flush_device_list; - } - + if (sn_flush_device_kernel) + hubdev->hdi_flush_nasid_list.widget_p[widget] = + sn_flush_device_kernel; + } } - } /* diff --git a/arch/ia64/sn/kernel/tiocx.c b/arch/ia64/sn/kernel/tiocx.c index 493fb3f38dc3..6a7939b16a1c 100644 --- a/arch/ia64/sn/kernel/tiocx.c +++ b/arch/ia64/sn/kernel/tiocx.c @@ -77,12 +77,6 @@ static void tiocx_bus_release(struct device *dev) kfree(to_cx_dev(dev)); } -struct bus_type tiocx_bus_type = { - .name = "tiocx", - .match = tiocx_match, - .uevent = tiocx_uevent, -}; - /** * cx_device_match - Find cx_device in the id table. * @ids: id table from driver @@ -149,6 +143,14 @@ static int cx_driver_remove(struct device *dev) return 0; } +struct bus_type tiocx_bus_type = { + .name = "tiocx", + .match = tiocx_match, + .uevent = tiocx_uevent, + .probe = cx_device_probe, + .remove = cx_driver_remove, +}; + /** * cx_driver_register - Register the driver. * @cx_driver: driver table (cx_drv struct) from driver @@ -162,8 +164,6 @@ int cx_driver_register(struct cx_drv *cx_driver) { cx_driver->driver.name = cx_driver->name; cx_driver->driver.bus = &tiocx_bus_type; - cx_driver->driver.probe = cx_device_probe; - cx_driver->driver.remove = cx_driver_remove; return driver_register(&cx_driver->driver); } diff --git a/arch/ia64/sn/kernel/xpc.h b/arch/ia64/sn/kernel/xpc.h deleted file mode 100644 index 5483a9f227d4..000000000000 --- a/arch/ia64/sn/kernel/xpc.h +++ /dev/null @@ -1,1273 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (c) 2004-2005 Silicon Graphics, Inc. All Rights Reserved. - */ - - -/* - * Cross Partition Communication (XPC) structures and macros. - */ - -#ifndef _IA64_SN_KERNEL_XPC_H -#define _IA64_SN_KERNEL_XPC_H - - -#include <linux/config.h> -#include <linux/interrupt.h> -#include <linux/sysctl.h> -#include <linux/device.h> -#include <asm/pgtable.h> -#include <asm/processor.h> -#include <asm/sn/bte.h> -#include <asm/sn/clksupport.h> -#include <asm/sn/addrs.h> -#include <asm/sn/mspec.h> -#include <asm/sn/shub_mmr.h> -#include <asm/sn/xp.h> - - -/* - * XPC Version numbers consist of a major and minor number. XPC can always - * talk to versions with same major #, and never talk to versions with a - * different major #. - */ -#define _XPC_VERSION(_maj, _min) (((_maj) << 4) | ((_min) & 0xf)) -#define XPC_VERSION_MAJOR(_v) ((_v) >> 4) -#define XPC_VERSION_MINOR(_v) ((_v) & 0xf) - - -/* - * The next macros define word or bit representations for given - * C-brick nasid in either the SAL provided bit array representing - * nasids in the partition/machine or the AMO_t array used for - * inter-partition initiation communications. - * - * For SN2 machines, C-Bricks are alway even numbered NASIDs. As - * such, some space will be saved by insisting that nasid information - * passed from SAL always be packed for C-Bricks and the - * cross-partition interrupts use the same packing scheme. - */ -#define XPC_NASID_W_INDEX(_n) (((_n) / 64) / 2) -#define XPC_NASID_B_INDEX(_n) (((_n) / 2) & (64 - 1)) -#define XPC_NASID_IN_ARRAY(_n, _p) ((_p)[XPC_NASID_W_INDEX(_n)] & \ - (1UL << XPC_NASID_B_INDEX(_n))) -#define XPC_NASID_FROM_W_B(_w, _b) (((_w) * 64 + (_b)) * 2) - -#define XPC_HB_DEFAULT_INTERVAL 5 /* incr HB every x secs */ -#define XPC_HB_CHECK_DEFAULT_INTERVAL 20 /* check HB every x secs */ - -/* define the process name of HB checker and the CPU it is pinned to */ -#define XPC_HB_CHECK_THREAD_NAME "xpc_hb" -#define XPC_HB_CHECK_CPU 0 - -/* define the process name of the discovery thread */ -#define XPC_DISCOVERY_THREAD_NAME "xpc_discovery" - - -/* - * the reserved page - * - * SAL reserves one page of memory per partition for XPC. Though a full page - * in length (16384 bytes), its starting address is not page aligned, but it - * is cacheline aligned. The reserved page consists of the following: - * - * reserved page header - * - * The first cacheline of the reserved page contains the header - * (struct xpc_rsvd_page). Before SAL initialization has completed, - * SAL has set up the following fields of the reserved page header: - * SAL_signature, SAL_version, partid, and nasids_size. The other - * fields are set up by XPC. (xpc_rsvd_page points to the local - * partition's reserved page.) - * - * part_nasids mask - * mach_nasids mask - * - * SAL also sets up two bitmaps (or masks), one that reflects the actual - * nasids in this partition (part_nasids), and the other that reflects - * the actual nasids in the entire machine (mach_nasids). We're only - * interested in the even numbered nasids (which contain the processors - * and/or memory), so we only need half as many bits to represent the - * nasids. The part_nasids mask is located starting at the first cacheline - * following the reserved page header. The mach_nasids mask follows right - * after the part_nasids mask. The size in bytes of each mask is reflected - * by the reserved page header field 'nasids_size'. (Local partition's - * mask pointers are xpc_part_nasids and xpc_mach_nasids.) - * - * vars - * vars part - * - * Immediately following the mach_nasids mask are the XPC variables - * required by other partitions. First are those that are generic to all - * partitions (vars), followed on the next available cacheline by those - * which are partition specific (vars part). These are setup by XPC. - * (Local partition's vars pointers are xpc_vars and xpc_vars_part.) - * - * Note: Until vars_pa is set, the partition XPC code has not been initialized. - */ -struct xpc_rsvd_page { - u64 SAL_signature; /* SAL: unique signature */ - u64 SAL_version; /* SAL: version */ - u8 partid; /* SAL: partition ID */ - u8 version; - u8 pad1[6]; /* align to next u64 in cacheline */ - volatile u64 vars_pa; - struct timespec stamp; /* time when reserved page was setup by XPC */ - u64 pad2[9]; /* align to last u64 in cacheline */ - u64 nasids_size; /* SAL: size of each nasid mask in bytes */ -}; - -#define XPC_RP_VERSION _XPC_VERSION(1,1) /* version 1.1 of the reserved page */ - -#define XPC_SUPPORTS_RP_STAMP(_version) \ - (_version >= _XPC_VERSION(1,1)) - -/* - * compare stamps - the return value is: - * - * < 0, if stamp1 < stamp2 - * = 0, if stamp1 == stamp2 - * > 0, if stamp1 > stamp2 - */ -static inline int -xpc_compare_stamps(struct timespec *stamp1, struct timespec *stamp2) -{ - int ret; - - - if ((ret = stamp1->tv_sec - stamp2->tv_sec) == 0) { - ret = stamp1->tv_nsec - stamp2->tv_nsec; - } - return ret; -} - - -/* - * Define the structures by which XPC variables can be exported to other - * partitions. (There are two: struct xpc_vars and struct xpc_vars_part) - */ - -/* - * The following structure describes the partition generic variables - * needed by other partitions in order to properly initialize. - * - * struct xpc_vars version number also applies to struct xpc_vars_part. - * Changes to either structure and/or related functionality should be - * reflected by incrementing either the major or minor version numbers - * of struct xpc_vars. - */ -struct xpc_vars { - u8 version; - u64 heartbeat; - u64 heartbeating_to_mask; - u64 heartbeat_offline; /* if 0, heartbeat should be changing */ - int act_nasid; - int act_phys_cpuid; - u64 vars_part_pa; - u64 amos_page_pa; /* paddr of page of AMOs from MSPEC driver */ - AMO_t *amos_page; /* vaddr of page of AMOs from MSPEC driver */ -}; - -#define XPC_V_VERSION _XPC_VERSION(3,1) /* version 3.1 of the cross vars */ - -#define XPC_SUPPORTS_DISENGAGE_REQUEST(_version) \ - (_version >= _XPC_VERSION(3,1)) - - -static inline int -xpc_hb_allowed(partid_t partid, struct xpc_vars *vars) -{ - return ((vars->heartbeating_to_mask & (1UL << partid)) != 0); -} - -static inline void -xpc_allow_hb(partid_t partid, struct xpc_vars *vars) -{ - u64 old_mask, new_mask; - - do { - old_mask = vars->heartbeating_to_mask; - new_mask = (old_mask | (1UL << partid)); - } while (cmpxchg(&vars->heartbeating_to_mask, old_mask, new_mask) != - old_mask); -} - -static inline void -xpc_disallow_hb(partid_t partid, struct xpc_vars *vars) -{ - u64 old_mask, new_mask; - - do { - old_mask = vars->heartbeating_to_mask; - new_mask = (old_mask & ~(1UL << partid)); - } while (cmpxchg(&vars->heartbeating_to_mask, old_mask, new_mask) != - old_mask); -} - - -/* - * The AMOs page consists of a number of AMO variables which are divided into - * four groups, The first two groups are used to identify an IRQ's sender. - * These two groups consist of 64 and 128 AMO variables respectively. The last - * two groups, consisting of just one AMO variable each, are used to identify - * the remote partitions that are currently engaged (from the viewpoint of - * the XPC running on the remote partition). - */ -#define XPC_NOTIFY_IRQ_AMOS 0 -#define XPC_ACTIVATE_IRQ_AMOS (XPC_NOTIFY_IRQ_AMOS + XP_MAX_PARTITIONS) -#define XPC_ENGAGED_PARTITIONS_AMO (XPC_ACTIVATE_IRQ_AMOS + XP_NASID_MASK_WORDS) -#define XPC_DISENGAGE_REQUEST_AMO (XPC_ENGAGED_PARTITIONS_AMO + 1) - - -/* - * The following structure describes the per partition specific variables. - * - * An array of these structures, one per partition, will be defined. As a - * partition becomes active XPC will copy the array entry corresponding to - * itself from that partition. It is desirable that the size of this - * structure evenly divide into a cacheline, such that none of the entries - * in this array crosses a cacheline boundary. As it is now, each entry - * occupies half a cacheline. - */ -struct xpc_vars_part { - volatile u64 magic; - - u64 openclose_args_pa; /* physical address of open and close args */ - u64 GPs_pa; /* physical address of Get/Put values */ - - u64 IPI_amo_pa; /* physical address of IPI AMO_t structure */ - int IPI_nasid; /* nasid of where to send IPIs */ - int IPI_phys_cpuid; /* physical CPU ID of where to send IPIs */ - - u8 nchannels; /* #of defined channels supported */ - - u8 reserved[23]; /* pad to a full 64 bytes */ -}; - -/* - * The vars_part MAGIC numbers play a part in the first contact protocol. - * - * MAGIC1 indicates that the per partition specific variables for a remote - * partition have been initialized by this partition. - * - * MAGIC2 indicates that this partition has pulled the remote partititions - * per partition variables that pertain to this partition. - */ -#define XPC_VP_MAGIC1 0x0053524156435058L /* 'XPCVARS\0'L (little endian) */ -#define XPC_VP_MAGIC2 0x0073726176435058L /* 'XPCvars\0'L (little endian) */ - - -/* the reserved page sizes and offsets */ - -#define XPC_RP_HEADER_SIZE L1_CACHE_ALIGN(sizeof(struct xpc_rsvd_page)) -#define XPC_RP_VARS_SIZE L1_CACHE_ALIGN(sizeof(struct xpc_vars)) - -#define XPC_RP_PART_NASIDS(_rp) (u64 *) ((u8 *) _rp + XPC_RP_HEADER_SIZE) -#define XPC_RP_MACH_NASIDS(_rp) (XPC_RP_PART_NASIDS(_rp) + xp_nasid_mask_words) -#define XPC_RP_VARS(_rp) ((struct xpc_vars *) XPC_RP_MACH_NASIDS(_rp) + xp_nasid_mask_words) -#define XPC_RP_VARS_PART(_rp) (struct xpc_vars_part *) ((u8 *) XPC_RP_VARS(rp) + XPC_RP_VARS_SIZE) - - -/* - * Functions registered by add_timer() or called by kernel_thread() only - * allow for a single 64-bit argument. The following macros can be used to - * pack and unpack two (32-bit, 16-bit or 8-bit) arguments into or out from - * the passed argument. - */ -#define XPC_PACK_ARGS(_arg1, _arg2) \ - ((((u64) _arg1) & 0xffffffff) | \ - ((((u64) _arg2) & 0xffffffff) << 32)) - -#define XPC_UNPACK_ARG1(_args) (((u64) _args) & 0xffffffff) -#define XPC_UNPACK_ARG2(_args) ((((u64) _args) >> 32) & 0xffffffff) - - - -/* - * Define a Get/Put value pair (pointers) used with a message queue. - */ -struct xpc_gp { - volatile s64 get; /* Get value */ - volatile s64 put; /* Put value */ -}; - -#define XPC_GP_SIZE \ - L1_CACHE_ALIGN(sizeof(struct xpc_gp) * XPC_NCHANNELS) - - - -/* - * Define a structure that contains arguments associated with opening and - * closing a channel. - */ -struct xpc_openclose_args { - u16 reason; /* reason why channel is closing */ - u16 msg_size; /* sizeof each message entry */ - u16 remote_nentries; /* #of message entries in remote msg queue */ - u16 local_nentries; /* #of message entries in local msg queue */ - u64 local_msgqueue_pa; /* physical address of local message queue */ -}; - -#define XPC_OPENCLOSE_ARGS_SIZE \ - L1_CACHE_ALIGN(sizeof(struct xpc_openclose_args) * XPC_NCHANNELS) - - - -/* struct xpc_msg flags */ - -#define XPC_M_DONE 0x01 /* msg has been received/consumed */ -#define XPC_M_READY 0x02 /* msg is ready to be sent */ -#define XPC_M_INTERRUPT 0x04 /* send interrupt when msg consumed */ - - -#define XPC_MSG_ADDRESS(_payload) \ - ((struct xpc_msg *)((u8 *)(_payload) - XPC_MSG_PAYLOAD_OFFSET)) - - - -/* - * Defines notify entry. - * - * This is used to notify a message's sender that their message was received - * and consumed by the intended recipient. - */ -struct xpc_notify { - struct semaphore sema; /* notify semaphore */ - volatile u8 type; /* type of notification */ - - /* the following two fields are only used if type == XPC_N_CALL */ - xpc_notify_func func; /* user's notify function */ - void *key; /* pointer to user's key */ -}; - -/* struct xpc_notify type of notification */ - -#define XPC_N_CALL 0x01 /* notify function provided by user */ - - - -/* - * Define the structure that manages all the stuff required by a channel. In - * particular, they are used to manage the messages sent across the channel. - * - * This structure is private to a partition, and is NOT shared across the - * partition boundary. - * - * There is an array of these structures for each remote partition. It is - * allocated at the time a partition becomes active. The array contains one - * of these structures for each potential channel connection to that partition. - * - * Each of these structures manages two message queues (circular buffers). - * They are allocated at the time a channel connection is made. One of - * these message queues (local_msgqueue) holds the locally created messages - * that are destined for the remote partition. The other of these message - * queues (remote_msgqueue) is a locally cached copy of the remote partition's - * own local_msgqueue. - * - * The following is a description of the Get/Put pointers used to manage these - * two message queues. Consider the local_msgqueue to be on one partition - * and the remote_msgqueue to be its cached copy on another partition. A - * description of what each of the lettered areas contains is included. - * - * - * local_msgqueue remote_msgqueue - * - * |/////////| |/////////| - * w_remote_GP.get --> +---------+ |/////////| - * | F | |/////////| - * remote_GP.get --> +---------+ +---------+ <-- local_GP->get - * | | | | - * | | | E | - * | | | | - * | | +---------+ <-- w_local_GP.get - * | B | |/////////| - * | | |////D////| - * | | |/////////| - * | | +---------+ <-- w_remote_GP.put - * | | |////C////| - * local_GP->put --> +---------+ +---------+ <-- remote_GP.put - * | | |/////////| - * | A | |/////////| - * | | |/////////| - * w_local_GP.put --> +---------+ |/////////| - * |/////////| |/////////| - * - * - * ( remote_GP.[get|put] are cached copies of the remote - * partition's local_GP->[get|put], and thus their values can - * lag behind their counterparts on the remote partition. ) - * - * - * A - Messages that have been allocated, but have not yet been sent to the - * remote partition. - * - * B - Messages that have been sent, but have not yet been acknowledged by the - * remote partition as having been received. - * - * C - Area that needs to be prepared for the copying of sent messages, by - * the clearing of the message flags of any previously received messages. - * - * D - Area into which sent messages are to be copied from the remote - * partition's local_msgqueue and then delivered to their intended - * recipients. [ To allow for a multi-message copy, another pointer - * (next_msg_to_pull) has been added to keep track of the next message - * number needing to be copied (pulled). It chases after w_remote_GP.put. - * Any messages lying between w_local_GP.get and next_msg_to_pull have - * been copied and are ready to be delivered. ] - * - * E - Messages that have been copied and delivered, but have not yet been - * acknowledged by the recipient as having been received. - * - * F - Messages that have been acknowledged, but XPC has not yet notified the - * sender that the message was received by its intended recipient. - * This is also an area that needs to be prepared for the allocating of - * new messages, by the clearing of the message flags of the acknowledged - * messages. - */ -struct xpc_channel { - partid_t partid; /* ID of remote partition connected */ - spinlock_t lock; /* lock for updating this structure */ - u32 flags; /* general flags */ - - enum xpc_retval reason; /* reason why channel is disconnect'g */ - int reason_line; /* line# disconnect initiated from */ - - u16 number; /* channel # */ - - u16 msg_size; /* sizeof each msg entry */ - u16 local_nentries; /* #of msg entries in local msg queue */ - u16 remote_nentries; /* #of msg entries in remote msg queue*/ - - void *local_msgqueue_base; /* base address of kmalloc'd space */ - struct xpc_msg *local_msgqueue; /* local message queue */ - void *remote_msgqueue_base; /* base address of kmalloc'd space */ - struct xpc_msg *remote_msgqueue;/* cached copy of remote partition's */ - /* local message queue */ - u64 remote_msgqueue_pa; /* phys addr of remote partition's */ - /* local message queue */ - - atomic_t references; /* #of external references to queues */ - - atomic_t n_on_msg_allocate_wq; /* #on msg allocation wait queue */ - wait_queue_head_t msg_allocate_wq; /* msg allocation wait queue */ - - u8 delayed_IPI_flags; /* IPI flags received, but delayed */ - /* action until channel disconnected */ - - /* queue of msg senders who want to be notified when msg received */ - - atomic_t n_to_notify; /* #of msg senders to notify */ - struct xpc_notify *notify_queue;/* notify queue for messages sent */ - - xpc_channel_func func; /* user's channel function */ - void *key; /* pointer to user's key */ - - struct semaphore msg_to_pull_sema; /* next msg to pull serialization */ - struct semaphore wdisconnect_sema; /* wait for channel disconnect */ - - struct xpc_openclose_args *local_openclose_args; /* args passed on */ - /* opening or closing of channel */ - - /* various flavors of local and remote Get/Put values */ - - struct xpc_gp *local_GP; /* local Get/Put values */ - struct xpc_gp remote_GP; /* remote Get/Put values */ - struct xpc_gp w_local_GP; /* working local Get/Put values */ - struct xpc_gp w_remote_GP; /* working remote Get/Put values */ - s64 next_msg_to_pull; /* Put value of next msg to pull */ - - /* kthread management related fields */ - -// >>> rethink having kthreads_assigned_limit and kthreads_idle_limit; perhaps -// >>> allow the assigned limit be unbounded and let the idle limit be dynamic -// >>> dependent on activity over the last interval of time - atomic_t kthreads_assigned; /* #of kthreads assigned to channel */ - u32 kthreads_assigned_limit; /* limit on #of kthreads assigned */ - atomic_t kthreads_idle; /* #of kthreads idle waiting for work */ - u32 kthreads_idle_limit; /* limit on #of kthreads idle */ - atomic_t kthreads_active; /* #of kthreads actively working */ - // >>> following field is temporary - u32 kthreads_created; /* total #of kthreads created */ - - wait_queue_head_t idle_wq; /* idle kthread wait queue */ - -} ____cacheline_aligned; - - -/* struct xpc_channel flags */ - -#define XPC_C_WASCONNECTED 0x00000001 /* channel was connected */ - -#define XPC_C_ROPENREPLY 0x00000002 /* remote open channel reply */ -#define XPC_C_OPENREPLY 0x00000004 /* local open channel reply */ -#define XPC_C_ROPENREQUEST 0x00000008 /* remote open channel request */ -#define XPC_C_OPENREQUEST 0x00000010 /* local open channel request */ - -#define XPC_C_SETUP 0x00000020 /* channel's msgqueues are alloc'd */ -#define XPC_C_CONNECTCALLOUT 0x00000040 /* channel connected callout made */ -#define XPC_C_CONNECTED 0x00000080 /* local channel is connected */ -#define XPC_C_CONNECTING 0x00000100 /* channel is being connected */ - -#define XPC_C_RCLOSEREPLY 0x00000200 /* remote close channel reply */ -#define XPC_C_CLOSEREPLY 0x00000400 /* local close channel reply */ -#define XPC_C_RCLOSEREQUEST 0x00000800 /* remote close channel request */ -#define XPC_C_CLOSEREQUEST 0x00001000 /* local close channel request */ - -#define XPC_C_DISCONNECTED 0x00002000 /* channel is disconnected */ -#define XPC_C_DISCONNECTING 0x00004000 /* channel is being disconnected */ -#define XPC_C_DISCONNECTCALLOUT 0x00008000 /* chan disconnected callout made */ -#define XPC_C_WDISCONNECT 0x00010000 /* waiting for channel disconnect */ - - - -/* - * Manages channels on a partition basis. There is one of these structures - * for each partition (a partition will never utilize the structure that - * represents itself). - */ -struct xpc_partition { - - /* XPC HB infrastructure */ - - u8 remote_rp_version; /* version# of partition's rsvd pg */ - struct timespec remote_rp_stamp;/* time when rsvd pg was initialized */ - u64 remote_rp_pa; /* phys addr of partition's rsvd pg */ - u64 remote_vars_pa; /* phys addr of partition's vars */ - u64 remote_vars_part_pa; /* phys addr of partition's vars part */ - u64 last_heartbeat; /* HB at last read */ - u64 remote_amos_page_pa; /* phys addr of partition's amos page */ - int remote_act_nasid; /* active part's act/deact nasid */ - int remote_act_phys_cpuid; /* active part's act/deact phys cpuid */ - u32 act_IRQ_rcvd; /* IRQs since activation */ - spinlock_t act_lock; /* protect updating of act_state */ - u8 act_state; /* from XPC HB viewpoint */ - u8 remote_vars_version; /* version# of partition's vars */ - enum xpc_retval reason; /* reason partition is deactivating */ - int reason_line; /* line# deactivation initiated from */ - int reactivate_nasid; /* nasid in partition to reactivate */ - - unsigned long disengage_request_timeout; /* timeout in jiffies */ - struct timer_list disengage_request_timer; - - - /* XPC infrastructure referencing and teardown control */ - - volatile u8 setup_state; /* infrastructure setup state */ - wait_queue_head_t teardown_wq; /* kthread waiting to teardown infra */ - atomic_t references; /* #of references to infrastructure */ - - - /* - * NONE OF THE PRECEDING FIELDS OF THIS STRUCTURE WILL BE CLEARED WHEN - * XPC SETS UP THE NECESSARY INFRASTRUCTURE TO SUPPORT CROSS PARTITION - * COMMUNICATION. ALL OF THE FOLLOWING FIELDS WILL BE CLEARED. (THE - * 'nchannels' FIELD MUST BE THE FIRST OF THE FIELDS TO BE CLEARED.) - */ - - - u8 nchannels; /* #of defined channels supported */ - atomic_t nchannels_active; /* #of channels that are not DISCONNECTED */ - atomic_t nchannels_engaged;/* #of channels engaged with remote part */ - struct xpc_channel *channels;/* array of channel structures */ - - void *local_GPs_base; /* base address of kmalloc'd space */ - struct xpc_gp *local_GPs; /* local Get/Put values */ - void *remote_GPs_base; /* base address of kmalloc'd space */ - struct xpc_gp *remote_GPs;/* copy of remote partition's local Get/Put */ - /* values */ - u64 remote_GPs_pa; /* phys address of remote partition's local */ - /* Get/Put values */ - - - /* fields used to pass args when opening or closing a channel */ - - void *local_openclose_args_base; /* base address of kmalloc'd space */ - struct xpc_openclose_args *local_openclose_args; /* local's args */ - void *remote_openclose_args_base; /* base address of kmalloc'd space */ - struct xpc_openclose_args *remote_openclose_args; /* copy of remote's */ - /* args */ - u64 remote_openclose_args_pa; /* phys addr of remote's args */ - - - /* IPI sending, receiving and handling related fields */ - - int remote_IPI_nasid; /* nasid of where to send IPIs */ - int remote_IPI_phys_cpuid; /* phys CPU ID of where to send IPIs */ - AMO_t *remote_IPI_amo_va; /* address of remote IPI AMO_t structure */ - - AMO_t *local_IPI_amo_va; /* address of IPI AMO_t structure */ - u64 local_IPI_amo; /* IPI amo flags yet to be handled */ - char IPI_owner[8]; /* IPI owner's name */ - struct timer_list dropped_IPI_timer; /* dropped IPI timer */ - - spinlock_t IPI_lock; /* IPI handler lock */ - - - /* channel manager related fields */ - - atomic_t channel_mgr_requests; /* #of requests to activate chan mgr */ - wait_queue_head_t channel_mgr_wq; /* channel mgr's wait queue */ - -} ____cacheline_aligned; - - -/* struct xpc_partition act_state values (for XPC HB) */ - -#define XPC_P_INACTIVE 0x00 /* partition is not active */ -#define XPC_P_ACTIVATION_REQ 0x01 /* created thread to activate */ -#define XPC_P_ACTIVATING 0x02 /* activation thread started */ -#define XPC_P_ACTIVE 0x03 /* xpc_partition_up() was called */ -#define XPC_P_DEACTIVATING 0x04 /* partition deactivation initiated */ - - -#define XPC_DEACTIVATE_PARTITION(_p, _reason) \ - xpc_deactivate_partition(__LINE__, (_p), (_reason)) - - -/* struct xpc_partition setup_state values */ - -#define XPC_P_UNSET 0x00 /* infrastructure was never setup */ -#define XPC_P_SETUP 0x01 /* infrastructure is setup */ -#define XPC_P_WTEARDOWN 0x02 /* waiting to teardown infrastructure */ -#define XPC_P_TORNDOWN 0x03 /* infrastructure is torndown */ - - - -/* - * struct xpc_partition IPI_timer #of seconds to wait before checking for - * dropped IPIs. These occur whenever an IPI amo write doesn't complete until - * after the IPI was received. - */ -#define XPC_P_DROPPED_IPI_WAIT (0.25 * HZ) - - -/* number of seconds to wait for other partitions to disengage */ -#define XPC_DISENGAGE_REQUEST_DEFAULT_TIMELIMIT 90 - -/* interval in seconds to print 'waiting disengagement' messages */ -#define XPC_DISENGAGE_PRINTMSG_INTERVAL 10 - - -#define XPC_PARTID(_p) ((partid_t) ((_p) - &xpc_partitions[0])) - - - -/* found in xp_main.c */ -extern struct xpc_registration xpc_registrations[]; - - -/* found in xpc_main.c */ -extern struct device *xpc_part; -extern struct device *xpc_chan; -extern int xpc_disengage_request_timelimit; -extern irqreturn_t xpc_notify_IRQ_handler(int, void *, struct pt_regs *); -extern void xpc_dropped_IPI_check(struct xpc_partition *); -extern void xpc_activate_partition(struct xpc_partition *); -extern void xpc_activate_kthreads(struct xpc_channel *, int); -extern void xpc_create_kthreads(struct xpc_channel *, int); -extern void xpc_disconnect_wait(int); - - -/* found in xpc_partition.c */ -extern int xpc_exiting; -extern struct xpc_vars *xpc_vars; -extern struct xpc_rsvd_page *xpc_rsvd_page; -extern struct xpc_vars_part *xpc_vars_part; -extern struct xpc_partition xpc_partitions[XP_MAX_PARTITIONS + 1]; -extern char xpc_remote_copy_buffer[]; -extern struct xpc_rsvd_page *xpc_rsvd_page_init(void); -extern void xpc_allow_IPI_ops(void); -extern void xpc_restrict_IPI_ops(void); -extern int xpc_identify_act_IRQ_sender(void); -extern int xpc_partition_disengaged(struct xpc_partition *); -extern enum xpc_retval xpc_mark_partition_active(struct xpc_partition *); -extern void xpc_mark_partition_inactive(struct xpc_partition *); -extern void xpc_discovery(void); -extern void xpc_check_remote_hb(void); -extern void xpc_deactivate_partition(const int, struct xpc_partition *, - enum xpc_retval); -extern enum xpc_retval xpc_initiate_partid_to_nasids(partid_t, void *); - - -/* found in xpc_channel.c */ -extern void xpc_initiate_connect(int); -extern void xpc_initiate_disconnect(int); -extern enum xpc_retval xpc_initiate_allocate(partid_t, int, u32, void **); -extern enum xpc_retval xpc_initiate_send(partid_t, int, void *); -extern enum xpc_retval xpc_initiate_send_notify(partid_t, int, void *, - xpc_notify_func, void *); -extern void xpc_initiate_received(partid_t, int, void *); -extern enum xpc_retval xpc_setup_infrastructure(struct xpc_partition *); -extern enum xpc_retval xpc_pull_remote_vars_part(struct xpc_partition *); -extern void xpc_process_channel_activity(struct xpc_partition *); -extern void xpc_connected_callout(struct xpc_channel *); -extern void xpc_deliver_msg(struct xpc_channel *); -extern void xpc_disconnect_channel(const int, struct xpc_channel *, - enum xpc_retval, unsigned long *); -extern void xpc_disconnecting_callout(struct xpc_channel *); -extern void xpc_partition_going_down(struct xpc_partition *, enum xpc_retval); -extern void xpc_teardown_infrastructure(struct xpc_partition *); - - - -static inline void -xpc_wakeup_channel_mgr(struct xpc_partition *part) -{ - if (atomic_inc_return(&part->channel_mgr_requests) == 1) { - wake_up(&part->channel_mgr_wq); - } -} - - - -/* - * These next two inlines are used to keep us from tearing down a channel's - * msg queues while a thread may be referencing them. - */ -static inline void -xpc_msgqueue_ref(struct xpc_channel *ch) -{ - atomic_inc(&ch->references); -} - -static inline void -xpc_msgqueue_deref(struct xpc_channel *ch) -{ - s32 refs = atomic_dec_return(&ch->references); - - DBUG_ON(refs < 0); - if (refs == 0) { - xpc_wakeup_channel_mgr(&xpc_partitions[ch->partid]); - } -} - - - -#define XPC_DISCONNECT_CHANNEL(_ch, _reason, _irqflgs) \ - xpc_disconnect_channel(__LINE__, _ch, _reason, _irqflgs) - - -/* - * These two inlines are used to keep us from tearing down a partition's - * setup infrastructure while a thread may be referencing it. - */ -static inline void -xpc_part_deref(struct xpc_partition *part) -{ - s32 refs = atomic_dec_return(&part->references); - - - DBUG_ON(refs < 0); - if (refs == 0 && part->setup_state == XPC_P_WTEARDOWN) { - wake_up(&part->teardown_wq); - } -} - -static inline int -xpc_part_ref(struct xpc_partition *part) -{ - int setup; - - - atomic_inc(&part->references); - setup = (part->setup_state == XPC_P_SETUP); - if (!setup) { - xpc_part_deref(part); - } - return setup; -} - - - -/* - * The following macro is to be used for the setting of the reason and - * reason_line fields in both the struct xpc_channel and struct xpc_partition - * structures. - */ -#define XPC_SET_REASON(_p, _reason, _line) \ - { \ - (_p)->reason = _reason; \ - (_p)->reason_line = _line; \ - } - - - -/* - * This next set of inlines are used to keep track of when a partition is - * potentially engaged in accessing memory belonging to another partition. - */ - -static inline void -xpc_mark_partition_engaged(struct xpc_partition *part) -{ - unsigned long irq_flags; - AMO_t *amo = (AMO_t *) __va(part->remote_amos_page_pa + - (XPC_ENGAGED_PARTITIONS_AMO * sizeof(AMO_t))); - - - local_irq_save(irq_flags); - - /* set bit corresponding to our partid in remote partition's AMO */ - FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_OR, - (1UL << sn_partition_id)); - /* - * We must always use the nofault function regardless of whether we - * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we - * didn't, we'd never know that the other partition is down and would - * keep sending IPIs and AMOs to it until the heartbeat times out. - */ - (void) xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo-> - variable), xp_nofault_PIOR_target)); - - local_irq_restore(irq_flags); -} - -static inline void -xpc_mark_partition_disengaged(struct xpc_partition *part) -{ - unsigned long irq_flags; - AMO_t *amo = (AMO_t *) __va(part->remote_amos_page_pa + - (XPC_ENGAGED_PARTITIONS_AMO * sizeof(AMO_t))); - - - local_irq_save(irq_flags); - - /* clear bit corresponding to our partid in remote partition's AMO */ - FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_AND, - ~(1UL << sn_partition_id)); - /* - * We must always use the nofault function regardless of whether we - * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we - * didn't, we'd never know that the other partition is down and would - * keep sending IPIs and AMOs to it until the heartbeat times out. - */ - (void) xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo-> - variable), xp_nofault_PIOR_target)); - - local_irq_restore(irq_flags); -} - -static inline void -xpc_request_partition_disengage(struct xpc_partition *part) -{ - unsigned long irq_flags; - AMO_t *amo = (AMO_t *) __va(part->remote_amos_page_pa + - (XPC_DISENGAGE_REQUEST_AMO * sizeof(AMO_t))); - - - local_irq_save(irq_flags); - - /* set bit corresponding to our partid in remote partition's AMO */ - FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_OR, - (1UL << sn_partition_id)); - /* - * We must always use the nofault function regardless of whether we - * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we - * didn't, we'd never know that the other partition is down and would - * keep sending IPIs and AMOs to it until the heartbeat times out. - */ - (void) xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo-> - variable), xp_nofault_PIOR_target)); - - local_irq_restore(irq_flags); -} - -static inline void -xpc_cancel_partition_disengage_request(struct xpc_partition *part) -{ - unsigned long irq_flags; - AMO_t *amo = (AMO_t *) __va(part->remote_amos_page_pa + - (XPC_DISENGAGE_REQUEST_AMO * sizeof(AMO_t))); - - - local_irq_save(irq_flags); - - /* clear bit corresponding to our partid in remote partition's AMO */ - FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_AND, - ~(1UL << sn_partition_id)); - /* - * We must always use the nofault function regardless of whether we - * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we - * didn't, we'd never know that the other partition is down and would - * keep sending IPIs and AMOs to it until the heartbeat times out. - */ - (void) xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo-> - variable), xp_nofault_PIOR_target)); - - local_irq_restore(irq_flags); -} - -static inline u64 -xpc_partition_engaged(u64 partid_mask) -{ - AMO_t *amo = xpc_vars->amos_page + XPC_ENGAGED_PARTITIONS_AMO; - - - /* return our partition's AMO variable ANDed with partid_mask */ - return (FETCHOP_LOAD_OP(TO_AMO((u64) &amo->variable), FETCHOP_LOAD) & - partid_mask); -} - -static inline u64 -xpc_partition_disengage_requested(u64 partid_mask) -{ - AMO_t *amo = xpc_vars->amos_page + XPC_DISENGAGE_REQUEST_AMO; - - - /* return our partition's AMO variable ANDed with partid_mask */ - return (FETCHOP_LOAD_OP(TO_AMO((u64) &amo->variable), FETCHOP_LOAD) & - partid_mask); -} - -static inline void -xpc_clear_partition_engaged(u64 partid_mask) -{ - AMO_t *amo = xpc_vars->amos_page + XPC_ENGAGED_PARTITIONS_AMO; - - - /* clear bit(s) based on partid_mask in our partition's AMO */ - FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_AND, - ~partid_mask); -} - -static inline void -xpc_clear_partition_disengage_request(u64 partid_mask) -{ - AMO_t *amo = xpc_vars->amos_page + XPC_DISENGAGE_REQUEST_AMO; - - - /* clear bit(s) based on partid_mask in our partition's AMO */ - FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_AND, - ~partid_mask); -} - - - -/* - * The following set of macros and inlines are used for the sending and - * receiving of IPIs (also known as IRQs). There are two flavors of IPIs, - * one that is associated with partition activity (SGI_XPC_ACTIVATE) and - * the other that is associated with channel activity (SGI_XPC_NOTIFY). - */ - -static inline u64 -xpc_IPI_receive(AMO_t *amo) -{ - return FETCHOP_LOAD_OP(TO_AMO((u64) &amo->variable), FETCHOP_CLEAR); -} - - -static inline enum xpc_retval -xpc_IPI_send(AMO_t *amo, u64 flag, int nasid, int phys_cpuid, int vector) -{ - int ret = 0; - unsigned long irq_flags; - - - local_irq_save(irq_flags); - - FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_OR, flag); - sn_send_IPI_phys(nasid, phys_cpuid, vector, 0); - - /* - * We must always use the nofault function regardless of whether we - * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we - * didn't, we'd never know that the other partition is down and would - * keep sending IPIs and AMOs to it until the heartbeat times out. - */ - ret = xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo->variable), - xp_nofault_PIOR_target)); - - local_irq_restore(irq_flags); - - return ((ret == 0) ? xpcSuccess : xpcPioReadError); -} - - -/* - * IPIs associated with SGI_XPC_ACTIVATE IRQ. - */ - -/* - * Flag the appropriate AMO variable and send an IPI to the specified node. - */ -static inline void -xpc_activate_IRQ_send(u64 amos_page_pa, int from_nasid, int to_nasid, - int to_phys_cpuid) -{ - int w_index = XPC_NASID_W_INDEX(from_nasid); - int b_index = XPC_NASID_B_INDEX(from_nasid); - AMO_t *amos = (AMO_t *) __va(amos_page_pa + - (XPC_ACTIVATE_IRQ_AMOS * sizeof(AMO_t))); - - - (void) xpc_IPI_send(&amos[w_index], (1UL << b_index), to_nasid, - to_phys_cpuid, SGI_XPC_ACTIVATE); -} - -static inline void -xpc_IPI_send_activate(struct xpc_vars *vars) -{ - xpc_activate_IRQ_send(vars->amos_page_pa, cnodeid_to_nasid(0), - vars->act_nasid, vars->act_phys_cpuid); -} - -static inline void -xpc_IPI_send_activated(struct xpc_partition *part) -{ - xpc_activate_IRQ_send(part->remote_amos_page_pa, cnodeid_to_nasid(0), - part->remote_act_nasid, part->remote_act_phys_cpuid); -} - -static inline void -xpc_IPI_send_reactivate(struct xpc_partition *part) -{ - xpc_activate_IRQ_send(xpc_vars->amos_page_pa, part->reactivate_nasid, - xpc_vars->act_nasid, xpc_vars->act_phys_cpuid); -} - -static inline void -xpc_IPI_send_disengage(struct xpc_partition *part) -{ - xpc_activate_IRQ_send(part->remote_amos_page_pa, cnodeid_to_nasid(0), - part->remote_act_nasid, part->remote_act_phys_cpuid); -} - - -/* - * IPIs associated with SGI_XPC_NOTIFY IRQ. - */ - -/* - * Send an IPI to the remote partition that is associated with the - * specified channel. - */ -#define XPC_NOTIFY_IRQ_SEND(_ch, _ipi_f, _irq_f) \ - xpc_notify_IRQ_send(_ch, _ipi_f, #_ipi_f, _irq_f) - -static inline void -xpc_notify_IRQ_send(struct xpc_channel *ch, u8 ipi_flag, char *ipi_flag_string, - unsigned long *irq_flags) -{ - struct xpc_partition *part = &xpc_partitions[ch->partid]; - enum xpc_retval ret; - - - if (likely(part->act_state != XPC_P_DEACTIVATING)) { - ret = xpc_IPI_send(part->remote_IPI_amo_va, - (u64) ipi_flag << (ch->number * 8), - part->remote_IPI_nasid, - part->remote_IPI_phys_cpuid, - SGI_XPC_NOTIFY); - dev_dbg(xpc_chan, "%s sent to partid=%d, channel=%d, ret=%d\n", - ipi_flag_string, ch->partid, ch->number, ret); - if (unlikely(ret != xpcSuccess)) { - if (irq_flags != NULL) { - spin_unlock_irqrestore(&ch->lock, *irq_flags); - } - XPC_DEACTIVATE_PARTITION(part, ret); - if (irq_flags != NULL) { - spin_lock_irqsave(&ch->lock, *irq_flags); - } - } - } -} - - -/* - * Make it look like the remote partition, which is associated with the - * specified channel, sent us an IPI. This faked IPI will be handled - * by xpc_dropped_IPI_check(). - */ -#define XPC_NOTIFY_IRQ_SEND_LOCAL(_ch, _ipi_f) \ - xpc_notify_IRQ_send_local(_ch, _ipi_f, #_ipi_f) - -static inline void -xpc_notify_IRQ_send_local(struct xpc_channel *ch, u8 ipi_flag, - char *ipi_flag_string) -{ - struct xpc_partition *part = &xpc_partitions[ch->partid]; - - - FETCHOP_STORE_OP(TO_AMO((u64) &part->local_IPI_amo_va->variable), - FETCHOP_OR, ((u64) ipi_flag << (ch->number * 8))); - dev_dbg(xpc_chan, "%s sent local from partid=%d, channel=%d\n", - ipi_flag_string, ch->partid, ch->number); -} - - -/* - * The sending and receiving of IPIs includes the setting of an AMO variable - * to indicate the reason the IPI was sent. The 64-bit variable is divided - * up into eight bytes, ordered from right to left. Byte zero pertains to - * channel 0, byte one to channel 1, and so on. Each byte is described by - * the following IPI flags. - */ - -#define XPC_IPI_CLOSEREQUEST 0x01 -#define XPC_IPI_CLOSEREPLY 0x02 -#define XPC_IPI_OPENREQUEST 0x04 -#define XPC_IPI_OPENREPLY 0x08 -#define XPC_IPI_MSGREQUEST 0x10 - - -/* given an AMO variable and a channel#, get its associated IPI flags */ -#define XPC_GET_IPI_FLAGS(_amo, _c) ((u8) (((_amo) >> ((_c) * 8)) & 0xff)) -#define XPC_SET_IPI_FLAGS(_amo, _c, _f) (_amo) |= ((u64) (_f) << ((_c) * 8)) - -#define XPC_ANY_OPENCLOSE_IPI_FLAGS_SET(_amo) ((_amo) & 0x0f0f0f0f0f0f0f0f) -#define XPC_ANY_MSG_IPI_FLAGS_SET(_amo) ((_amo) & 0x1010101010101010) - - -static inline void -xpc_IPI_send_closerequest(struct xpc_channel *ch, unsigned long *irq_flags) -{ - struct xpc_openclose_args *args = ch->local_openclose_args; - - - args->reason = ch->reason; - - XPC_NOTIFY_IRQ_SEND(ch, XPC_IPI_CLOSEREQUEST, irq_flags); -} - -static inline void -xpc_IPI_send_closereply(struct xpc_channel *ch, unsigned long *irq_flags) -{ - XPC_NOTIFY_IRQ_SEND(ch, XPC_IPI_CLOSEREPLY, irq_flags); -} - -static inline void -xpc_IPI_send_openrequest(struct xpc_channel *ch, unsigned long *irq_flags) -{ - struct xpc_openclose_args *args = ch->local_openclose_args; - - - args->msg_size = ch->msg_size; - args->local_nentries = ch->local_nentries; - - XPC_NOTIFY_IRQ_SEND(ch, XPC_IPI_OPENREQUEST, irq_flags); -} - -static inline void -xpc_IPI_send_openreply(struct xpc_channel *ch, unsigned long *irq_flags) -{ - struct xpc_openclose_args *args = ch->local_openclose_args; - - - args->remote_nentries = ch->remote_nentries; - args->local_nentries = ch->local_nentries; - args->local_msgqueue_pa = __pa(ch->local_msgqueue); - - XPC_NOTIFY_IRQ_SEND(ch, XPC_IPI_OPENREPLY, irq_flags); -} - -static inline void -xpc_IPI_send_msgrequest(struct xpc_channel *ch) -{ - XPC_NOTIFY_IRQ_SEND(ch, XPC_IPI_MSGREQUEST, NULL); -} - -static inline void -xpc_IPI_send_local_msgrequest(struct xpc_channel *ch) -{ - XPC_NOTIFY_IRQ_SEND_LOCAL(ch, XPC_IPI_MSGREQUEST); -} - - -/* - * Memory for XPC's AMO variables is allocated by the MSPEC driver. These - * pages are located in the lowest granule. The lowest granule uses 4k pages - * for cached references and an alternate TLB handler to never provide a - * cacheable mapping for the entire region. This will prevent speculative - * reading of cached copies of our lines from being issued which will cause - * a PI FSB Protocol error to be generated by the SHUB. For XPC, we need 64 - * AMO variables (based on XP_MAX_PARTITIONS) for message notification and an - * additional 128 AMO variables (based on XP_NASID_MASK_WORDS) for partition - * activation and 2 AMO variables for partition deactivation. - */ -static inline AMO_t * -xpc_IPI_init(int index) -{ - AMO_t *amo = xpc_vars->amos_page + index; - - - (void) xpc_IPI_receive(amo); /* clear AMO variable */ - return amo; -} - - - -static inline enum xpc_retval -xpc_map_bte_errors(bte_result_t error) -{ - switch (error) { - case BTE_SUCCESS: return xpcSuccess; - case BTEFAIL_DIR: return xpcBteDirectoryError; - case BTEFAIL_POISON: return xpcBtePoisonError; - case BTEFAIL_WERR: return xpcBteWriteError; - case BTEFAIL_ACCESS: return xpcBteAccessError; - case BTEFAIL_PWERR: return xpcBtePWriteError; - case BTEFAIL_PRERR: return xpcBtePReadError; - case BTEFAIL_TOUT: return xpcBteTimeOutError; - case BTEFAIL_XTERR: return xpcBteXtalkError; - case BTEFAIL_NOTAVAIL: return xpcBteNotAvailable; - default: return xpcBteUnmappedError; - } -} - - - -static inline void * -xpc_kmalloc_cacheline_aligned(size_t size, gfp_t flags, void **base) -{ - /* see if kmalloc will give us cachline aligned memory by default */ - *base = kmalloc(size, flags); - if (*base == NULL) { - return NULL; - } - if ((u64) *base == L1_CACHE_ALIGN((u64) *base)) { - return *base; - } - kfree(*base); - - /* nope, we'll have to do it ourselves */ - *base = kmalloc(size + L1_CACHE_BYTES, flags); - if (*base == NULL) { - return NULL; - } - return (void *) L1_CACHE_ALIGN((u64) *base); -} - - -/* - * Check to see if there is any channel activity to/from the specified - * partition. - */ -static inline void -xpc_check_for_channel_activity(struct xpc_partition *part) -{ - u64 IPI_amo; - unsigned long irq_flags; - - - IPI_amo = xpc_IPI_receive(part->local_IPI_amo_va); - if (IPI_amo == 0) { - return; - } - - spin_lock_irqsave(&part->IPI_lock, irq_flags); - part->local_IPI_amo |= IPI_amo; - spin_unlock_irqrestore(&part->IPI_lock, irq_flags); - - dev_dbg(xpc_chan, "received IPI from partid=%d, IPI_amo=0x%lx\n", - XPC_PARTID(part), IPI_amo); - - xpc_wakeup_channel_mgr(part); -} - - -#endif /* _IA64_SN_KERNEL_XPC_H */ - diff --git a/arch/ia64/sn/kernel/xpc_channel.c b/arch/ia64/sn/kernel/xpc_channel.c index abf4fc2a87bb..0c0a68902409 100644 --- a/arch/ia64/sn/kernel/xpc_channel.c +++ b/arch/ia64/sn/kernel/xpc_channel.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 2004-2005 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2004-2006 Silicon Graphics, Inc. All Rights Reserved. */ @@ -24,7 +24,7 @@ #include <linux/slab.h> #include <asm/sn/bte.h> #include <asm/sn/sn_sal.h> -#include "xpc.h" +#include <asm/sn/xpc.h> /* @@ -779,6 +779,12 @@ xpc_process_disconnect(struct xpc_channel *ch, unsigned long *irq_flags) /* both sides are disconnected now */ + if (ch->flags & XPC_C_CONNECTCALLOUT) { + spin_unlock_irqrestore(&ch->lock, *irq_flags); + xpc_disconnect_callout(ch, xpcDisconnected); + spin_lock_irqsave(&ch->lock, *irq_flags); + } + /* it's now safe to free the channel's message queues */ xpc_free_msgqueues(ch); @@ -1645,7 +1651,7 @@ xpc_disconnect_channel(const int line, struct xpc_channel *ch, void -xpc_disconnecting_callout(struct xpc_channel *ch) +xpc_disconnect_callout(struct xpc_channel *ch, enum xpc_retval reason) { /* * Let the channel's registerer know that the channel is being @@ -1654,15 +1660,13 @@ xpc_disconnecting_callout(struct xpc_channel *ch) */ if (ch->func != NULL) { - dev_dbg(xpc_chan, "ch->func() called, reason=xpcDisconnecting," - " partid=%d, channel=%d\n", ch->partid, ch->number); + dev_dbg(xpc_chan, "ch->func() called, reason=%d, partid=%d, " + "channel=%d\n", reason, ch->partid, ch->number); - ch->func(xpcDisconnecting, ch->partid, ch->number, NULL, - ch->key); + ch->func(reason, ch->partid, ch->number, NULL, ch->key); - dev_dbg(xpc_chan, "ch->func() returned, reason=" - "xpcDisconnecting, partid=%d, channel=%d\n", - ch->partid, ch->number); + dev_dbg(xpc_chan, "ch->func() returned, reason=%d, partid=%d, " + "channel=%d\n", reason, ch->partid, ch->number); } } diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c index b617236524c6..8930586e0eb4 100644 --- a/arch/ia64/sn/kernel/xpc_main.c +++ b/arch/ia64/sn/kernel/xpc_main.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 2004-2005 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2004-2006 Silicon Graphics, Inc. All Rights Reserved. */ @@ -59,7 +59,7 @@ #include <asm/sn/sn_sal.h> #include <asm/kdebug.h> #include <asm/uaccess.h> -#include "xpc.h" +#include <asm/sn/xpc.h> /* define two XPC debug device structures to be used with dev_dbg() et al */ @@ -82,6 +82,9 @@ struct device *xpc_part = &xpc_part_dbg_subname; struct device *xpc_chan = &xpc_chan_dbg_subname; +static int xpc_kdebug_ignore; + + /* systune related variables for /proc/sys directories */ static int xpc_hb_interval = XPC_HB_DEFAULT_INTERVAL; @@ -162,6 +165,8 @@ static ctl_table xpc_sys_dir[] = { }; static struct ctl_table_header *xpc_sysctl; +/* non-zero if any remote partition disengage request was timed out */ +int xpc_disengage_request_timedout; /* #of IRQs received */ static atomic_t xpc_act_IRQ_rcvd; @@ -773,7 +778,7 @@ xpc_daemonize_kthread(void *args) ch->flags |= XPC_C_DISCONNECTCALLOUT; spin_unlock_irqrestore(&ch->lock, irq_flags); - xpc_disconnecting_callout(ch); + xpc_disconnect_callout(ch, xpcDisconnecting); } else { spin_unlock_irqrestore(&ch->lock, irq_flags); } @@ -921,9 +926,9 @@ static void xpc_do_exit(enum xpc_retval reason) { partid_t partid; - int active_part_count; + int active_part_count, printed_waiting_msg = 0; struct xpc_partition *part; - unsigned long printmsg_time; + unsigned long printmsg_time, disengage_request_timeout = 0; /* a 'rmmod XPC' and a 'reboot' cannot both end up here together */ @@ -953,7 +958,8 @@ xpc_do_exit(enum xpc_retval reason) /* wait for all partitions to become inactive */ - printmsg_time = jiffies; + printmsg_time = jiffies + (XPC_DISENGAGE_PRINTMSG_INTERVAL * HZ); + xpc_disengage_request_timedout = 0; do { active_part_count = 0; @@ -969,20 +975,39 @@ xpc_do_exit(enum xpc_retval reason) active_part_count++; XPC_DEACTIVATE_PARTITION(part, reason); - } - if (active_part_count == 0) { - break; + if (part->disengage_request_timeout > + disengage_request_timeout) { + disengage_request_timeout = + part->disengage_request_timeout; + } } - if (jiffies >= printmsg_time) { - dev_info(xpc_part, "waiting for partitions to " - "deactivate/disengage, active count=%d, remote " - "engaged=0x%lx\n", active_part_count, - xpc_partition_engaged(1UL << partid)); - - printmsg_time = jiffies + + if (xpc_partition_engaged(-1UL)) { + if (time_after(jiffies, printmsg_time)) { + dev_info(xpc_part, "waiting for remote " + "partitions to disengage, timeout in " + "%ld seconds\n", + (disengage_request_timeout - jiffies) + / HZ); + printmsg_time = jiffies + (XPC_DISENGAGE_PRINTMSG_INTERVAL * HZ); + printed_waiting_msg = 1; + } + + } else if (active_part_count > 0) { + if (printed_waiting_msg) { + dev_info(xpc_part, "waiting for local partition" + " to disengage\n"); + printed_waiting_msg = 0; + } + + } else { + if (!xpc_disengage_request_timedout) { + dev_info(xpc_part, "all partitions have " + "disengaged\n"); + } + break; } /* sleep for a 1/3 of a second or so */ @@ -1000,11 +1025,13 @@ xpc_do_exit(enum xpc_retval reason) del_timer_sync(&xpc_hb_timer); DBUG_ON(xpc_vars->heartbeating_to_mask != 0); - /* take ourselves off of the reboot_notifier_list */ - (void) unregister_reboot_notifier(&xpc_reboot_notifier); + if (reason == xpcUnloading) { + /* take ourselves off of the reboot_notifier_list */ + (void) unregister_reboot_notifier(&xpc_reboot_notifier); - /* take ourselves off of the die_notifier list */ - (void) unregister_die_notifier(&xpc_die_notifier); + /* take ourselves off of the die_notifier list */ + (void) unregister_die_notifier(&xpc_die_notifier); + } /* close down protections for IPI operations */ xpc_restrict_IPI_ops(); @@ -1020,7 +1047,35 @@ xpc_do_exit(enum xpc_retval reason) /* - * Called when the system is about to be either restarted or halted. + * This function is called when the system is being rebooted. + */ +static int +xpc_system_reboot(struct notifier_block *nb, unsigned long event, void *unused) +{ + enum xpc_retval reason; + + + switch (event) { + case SYS_RESTART: + reason = xpcSystemReboot; + break; + case SYS_HALT: + reason = xpcSystemHalt; + break; + case SYS_POWER_OFF: + reason = xpcSystemPoweroff; + break; + default: + reason = xpcSystemGoingDown; + } + + xpc_do_exit(reason); + return NOTIFY_DONE; +} + + +/* + * Notify other partitions to disengage from all references to our memory. */ static void xpc_die_disengage(void) @@ -1028,7 +1083,7 @@ xpc_die_disengage(void) struct xpc_partition *part; partid_t partid; unsigned long engaged; - long time, print_time, disengage_request_timeout; + long time, printmsg_time, disengage_request_timeout; /* keep xpc_hb_checker thread from doing anything (just in case) */ @@ -1055,57 +1110,53 @@ xpc_die_disengage(void) } } - print_time = rtc_time(); - disengage_request_timeout = print_time + + time = rtc_time(); + printmsg_time = time + + (XPC_DISENGAGE_PRINTMSG_INTERVAL * sn_rtc_cycles_per_second); + disengage_request_timeout = time + (xpc_disengage_request_timelimit * sn_rtc_cycles_per_second); /* wait for all other partitions to disengage from us */ - while ((engaged = xpc_partition_engaged(-1UL)) && - (time = rtc_time()) < disengage_request_timeout) { + while (1) { + engaged = xpc_partition_engaged(-1UL); + if (!engaged) { + dev_info(xpc_part, "all partitions have disengaged\n"); + break; + } - if (time >= print_time) { + time = rtc_time(); + if (time >= disengage_request_timeout) { + for (partid = 1; partid < XP_MAX_PARTITIONS; partid++) { + if (engaged & (1UL << partid)) { + dev_info(xpc_part, "disengage from " + "remote partition %d timed " + "out\n", partid); + } + } + break; + } + + if (time >= printmsg_time) { dev_info(xpc_part, "waiting for remote partitions to " - "disengage, engaged=0x%lx\n", engaged); - print_time = time + (XPC_DISENGAGE_PRINTMSG_INTERVAL * + "disengage, timeout in %ld seconds\n", + (disengage_request_timeout - time) / + sn_rtc_cycles_per_second); + printmsg_time = time + + (XPC_DISENGAGE_PRINTMSG_INTERVAL * sn_rtc_cycles_per_second); } } - dev_info(xpc_part, "finished waiting for remote partitions to " - "disengage, engaged=0x%lx\n", engaged); -} - - -/* - * This function is called when the system is being rebooted. - */ -static int -xpc_system_reboot(struct notifier_block *nb, unsigned long event, void *unused) -{ - enum xpc_retval reason; - - - switch (event) { - case SYS_RESTART: - reason = xpcSystemReboot; - break; - case SYS_HALT: - reason = xpcSystemHalt; - break; - case SYS_POWER_OFF: - reason = xpcSystemPoweroff; - break; - default: - reason = xpcSystemGoingDown; - } - - xpc_do_exit(reason); - return NOTIFY_DONE; } /* - * This function is called when the system is being rebooted. + * This function is called when the system is being restarted or halted due + * to some sort of system failure. If this is the case we need to notify the + * other partitions to disengage from all references to our memory. + * This function can also be called when our heartbeater could be offlined + * for a time. In this case we need to notify other partitions to not worry + * about the lack of a heartbeat. */ static int xpc_system_die(struct notifier_block *nb, unsigned long event, void *unused) @@ -1115,11 +1166,25 @@ xpc_system_die(struct notifier_block *nb, unsigned long event, void *unused) case DIE_MACHINE_HALT: xpc_die_disengage(); break; + + case DIE_KDEBUG_ENTER: + /* Should lack of heartbeat be ignored by other partitions? */ + if (!xpc_kdebug_ignore) { + break; + } + /* fall through */ case DIE_MCA_MONARCH_ENTER: case DIE_INIT_MONARCH_ENTER: xpc_vars->heartbeat++; xpc_vars->heartbeat_offline = 1; break; + + case DIE_KDEBUG_LEAVE: + /* Is lack of heartbeat being ignored by other partitions? */ + if (!xpc_kdebug_ignore) { + break; + } + /* fall through */ case DIE_MCA_MONARCH_LEAVE: case DIE_INIT_MONARCH_LEAVE: xpc_vars->heartbeat++; @@ -1344,3 +1409,7 @@ module_param(xpc_disengage_request_timelimit, int, 0); MODULE_PARM_DESC(xpc_disengage_request_timelimit, "Number of seconds to wait " "for disengage request to complete."); +module_param(xpc_kdebug_ignore, int, 0); +MODULE_PARM_DESC(xpc_kdebug_ignore, "Should lack of heartbeat be ignored by " + "other partitions when dropping into kdebug."); + diff --git a/arch/ia64/sn/kernel/xpc_partition.c b/arch/ia64/sn/kernel/xpc_partition.c index cdd6431853a1..88a730e6cfdb 100644 --- a/arch/ia64/sn/kernel/xpc_partition.c +++ b/arch/ia64/sn/kernel/xpc_partition.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 2004-2005 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2004-2006 Silicon Graphics, Inc. All Rights Reserved. */ @@ -28,7 +28,7 @@ #include <asm/sn/sn_sal.h> #include <asm/sn/nodepda.h> #include <asm/sn/addrs.h> -#include "xpc.h" +#include <asm/sn/xpc.h> /* XPC is exiting flag */ @@ -771,7 +771,8 @@ xpc_identify_act_IRQ_req(int nasid) } } - if (!xpc_partition_disengaged(part)) { + if (part->disengage_request_timeout > 0 && + !xpc_partition_disengaged(part)) { /* still waiting on other side to disengage from us */ return; } @@ -873,6 +874,9 @@ xpc_partition_disengaged(struct xpc_partition *part) * request in a timely fashion, so assume it's dead. */ + dev_info(xpc_part, "disengage from remote partition %d " + "timed out\n", partid); + xpc_disengage_request_timedout = 1; xpc_clear_partition_engaged(1UL << partid); disengaged = 1; } diff --git a/arch/ia64/sn/pci/pcibr/pcibr_dma.c b/arch/ia64/sn/pci/pcibr/pcibr_dma.c index 34093476e965..e68332d93171 100644 --- a/arch/ia64/sn/pci/pcibr/pcibr_dma.c +++ b/arch/ia64/sn/pci/pcibr/pcibr_dma.c @@ -218,7 +218,9 @@ void sn_dma_flush(uint64_t addr) uint64_t flags; uint64_t itte; struct hubdev_info *hubinfo; - volatile struct sn_flush_device_list *p; + volatile struct sn_flush_device_kernel *p; + volatile struct sn_flush_device_common *common; + struct sn_flush_nasid_entry *flush_nasid_list; if (!sn_ioif_inited) @@ -268,17 +270,17 @@ void sn_dma_flush(uint64_t addr) p = &flush_nasid_list->widget_p[wid_num][0]; /* find a matching BAR */ - for (i = 0; i < DEV_PER_WIDGET; i++) { + for (i = 0; i < DEV_PER_WIDGET; i++,p++) { + common = p->common; for (j = 0; j < PCI_ROM_RESOURCE; j++) { - if (p->sfdl_bar_list[j].start == 0) + if (common->sfdl_bar_list[j].start == 0) break; - if (addr >= p->sfdl_bar_list[j].start - && addr <= p->sfdl_bar_list[j].end) + if (addr >= common->sfdl_bar_list[j].start + && addr <= common->sfdl_bar_list[j].end) break; } - if (j < PCI_ROM_RESOURCE && p->sfdl_bar_list[j].start != 0) + if (j < PCI_ROM_RESOURCE && common->sfdl_bar_list[j].start != 0) break; - p++; } /* if no matching BAR, return without doing anything. */ @@ -304,24 +306,24 @@ void sn_dma_flush(uint64_t addr) if ((1 << XWIDGET_PART_REV_NUM_REV(revnum)) & PV907516) { return; } else { - pcireg_wrb_flush_get(p->sfdl_pcibus_info, - (p->sfdl_slot - 1)); + pcireg_wrb_flush_get(common->sfdl_pcibus_info, + (common->sfdl_slot - 1)); } } else { - spin_lock_irqsave(&((struct sn_flush_device_list *)p)-> - sfdl_flush_lock, flags); - - *p->sfdl_flush_addr = 0; + spin_lock_irqsave((spinlock_t *)&p->sfdl_flush_lock, + flags); + *common->sfdl_flush_addr = 0; /* force an interrupt. */ - *(volatile uint32_t *)(p->sfdl_force_int_addr) = 1; + *(volatile uint32_t *)(common->sfdl_force_int_addr) = 1; /* wait for the interrupt to come back. */ - while (*(p->sfdl_flush_addr) != 0x10f) + while (*(common->sfdl_flush_addr) != 0x10f) cpu_relax(); /* okay, everything is synched up. */ - spin_unlock_irqrestore((spinlock_t *)&p->sfdl_flush_lock, flags); + spin_unlock_irqrestore((spinlock_t *)&p->sfdl_flush_lock, + flags); } return; } diff --git a/arch/ia64/sn/pci/pcibr/pcibr_provider.c b/arch/ia64/sn/pci/pcibr/pcibr_provider.c index 1f500c81002c..e328e948175d 100644 --- a/arch/ia64/sn/pci/pcibr/pcibr_provider.c +++ b/arch/ia64/sn/pci/pcibr/pcibr_provider.c @@ -92,7 +92,8 @@ pcibr_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont cnodeid_t near_cnode; struct hubdev_info *hubdev_info; struct pcibus_info *soft; - struct sn_flush_device_list *sn_flush_device_list; + struct sn_flush_device_kernel *sn_flush_device_kernel; + struct sn_flush_device_common *common; if (! IS_PCI_BRIDGE_ASIC(prom_bussoft->bs_asic_type)) { return NULL; @@ -137,20 +138,19 @@ pcibr_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont hubdev_info = (struct hubdev_info *)(NODEPDA(cnode)->pdinfo); if (hubdev_info->hdi_flush_nasid_list.widget_p) { - sn_flush_device_list = hubdev_info->hdi_flush_nasid_list. + sn_flush_device_kernel = hubdev_info->hdi_flush_nasid_list. widget_p[(int)soft->pbi_buscommon.bs_xid]; - if (sn_flush_device_list) { + if (sn_flush_device_kernel) { for (j = 0; j < DEV_PER_WIDGET; - j++, sn_flush_device_list++) { - if (sn_flush_device_list->sfdl_slot == -1) + j++, sn_flush_device_kernel++) { + common = sn_flush_device_kernel->common; + if (common->sfdl_slot == -1) continue; - if ((sn_flush_device_list-> - sfdl_persistent_segment == + if ((common->sfdl_persistent_segment == soft->pbi_buscommon.bs_persist_segment) && - (sn_flush_device_list-> - sfdl_persistent_busnum == + (common->sfdl_persistent_busnum == soft->pbi_buscommon.bs_persist_busnum)) - sn_flush_device_list->sfdl_pcibus_info = + common->sfdl_pcibus_info = soft; } } diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c index 1eaa0d37f677..2d804e2d16d1 100644 --- a/arch/parisc/kernel/drivers.c +++ b/arch/parisc/kernel/drivers.c @@ -173,8 +173,6 @@ int register_parisc_driver(struct parisc_driver *driver) WARN_ON(driver->drv.probe != NULL); WARN_ON(driver->drv.remove != NULL); - driver->drv.probe = parisc_driver_probe; - driver->drv.remove = parisc_driver_remove; driver->drv.name = driver->name; return driver_register(&driver->drv); @@ -575,6 +573,8 @@ struct bus_type parisc_bus_type = { .name = "parisc", .match = parisc_generic_match, .dev_attrs = parisc_device_attrs, + .probe = parisc_driver_probe, + .remove = parisc_driver_remove, }; /** diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 01feed0e2a15..df338c5cc910 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -78,17 +78,6 @@ config PPC_UDBG_16550 bool default n -config CRASH_DUMP - bool "kernel crash dumps (EXPERIMENTAL)" - depends on PPC_MULTIPLATFORM - depends on EXPERIMENTAL - help - Build a kernel suitable for use as a kdump capture kernel. - The kernel will be linked at a different address than normal, and - so can only be used for Kdump. - - Don't change this unless you know what you are doing. - config GENERIC_TBSYNC bool default y if PPC32 && SMP @@ -584,6 +573,16 @@ config KEXEC support. As of this writing the exact hardware interface is strongly in flux, so no good recommendation can be made. +config CRASH_DUMP + bool "kernel crash dumps (EXPERIMENTAL)" + depends on PPC_MULTIPLATFORM && PPC64 && EXPERIMENTAL + help + Build a kernel suitable for use as a kdump capture kernel. + The kernel will be linked at a different address than normal, and + so can only be used for Kdump. + + Don't change this unless you know what you are doing. + config EMBEDDEDBOOT bool depends on 8xx || 8260 diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index d3654a264ef7..44dd82b791d1 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -139,17 +139,14 @@ drivers-$(CONFIG_CPM2) += arch/ppc/8260_io/ drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/ -defaultimage-$(CONFIG_PPC32) := zImage +# Default to zImage, override when needed +defaultimage-y := zImage defaultimage-$(CONFIG_PPC_ISERIES) := vmlinux -defaultimage-$(CONFIG_PPC_PSERIES) := zImage KBUILD_IMAGE := $(defaultimage-y) all: $(KBUILD_IMAGE) CPPFLAGS_vmlinux.lds := -Upowerpc -# All the instructions talk about "make bzImage". -bzImage: zImage - BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd vmlinux.sm uImage .PHONY: $(BOOT_TARGETS) diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index b53d677f6742..840ae595a617 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -25,8 +25,9 @@ HOSTCC := gcc BOOTCFLAGS := $(HOSTCFLAGS) -fno-builtin -nostdinc -isystem \ $(shell $(CROSS32CC) -print-file-name=include) -fPIC BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc -BOOTLFLAGS := -T $(srctree)/$(src)/zImage.lds OBJCOPYFLAGS := contents,alloc,load,readonly,data +OBJCOPY_COFF_ARGS := -O aixcoff-rs6000 --set-start 0x500000 +OBJCOPY_MIB_ARGS := -O aixcoff-rs6000 -R .stab -R .stabstr -R .comment zlib := infblock.c infcodes.c inffast.c inflate.c inftrees.c infutil.c zlibheader := infblock.h infcodes.h inffast.h inftrees.h infutil.h @@ -35,7 +36,7 @@ zliblinuxheader := zlib.h zconf.h zutil.h $(addprefix $(obj)/,$(zlib) main.o): $(addprefix $(obj)/,$(zliblinuxheader)) $(addprefix $(obj)/,$(zlibheader)) #$(addprefix $(obj)/,main.o): $(addprefix $(obj)/,zlib.h) -src-boot := string.S prom.c main.c div64.S crt0.S +src-boot := crt0.S string.S prom.c stdio.c main.c div64.S src-boot += $(zlib) src-boot := $(addprefix $(obj)/, $(src-boot)) obj-boot := $(addsuffix .o, $(basename $(src-boot))) @@ -70,7 +71,7 @@ quiet_cmd_bootas = BOOTAS $@ cmd_bootas = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTAFLAGS) -c -o $@ $< quiet_cmd_bootld = BOOTLD $@ - cmd_bootld = $(CROSS32LD) $(BOOTLFLAGS) -o $@ $(2) + cmd_bootld = $(CROSS32LD) -T $(srctree)/$(src)/$(3) -o $@ $(2) $(patsubst %.c,%.o, $(filter %.c, $(src-boot))): %.o: %.c $(call if_changed_dep,bootcc) @@ -87,12 +88,14 @@ obj-sec = $(foreach section, $(1), $(patsubst %,$(obj)/kernel-%.o, $(section))) src-sec = $(foreach section, $(1), $(patsubst %,$(obj)/kernel-%.c, $(section))) gz-sec = $(foreach section, $(1), $(patsubst %,$(obj)/kernel-%.gz, $(section))) -hostprogs-y := addnote addRamDisk -targets += zImage.vmode zImage.initrd.vmode zImage zImage.initrd \ - $(patsubst $(obj)/%,%, $(call obj-sec, $(required) $(initrd))) \ - $(patsubst $(obj)/%,%, $(call src-sec, $(required) $(initrd))) \ - $(patsubst $(obj)/%,%, $(call gz-sec, $(required) $(initrd))) \ - vmlinux.initrd +hostprogs-y := addnote addRamDisk hack-coff + +targets += zImage.vmode zImage.initrd.vmode zImage zImage.initrd \ + zImage.coff zImage.initrd.coff miboot.image miboot.initrd.image \ + $(patsubst $(obj)/%,%, $(call obj-sec, $(required) $(initrd))) \ + $(patsubst $(obj)/%,%, $(call src-sec, $(required) $(initrd))) \ + $(patsubst $(obj)/%,%, $(call gz-sec, $(required) $(initrd))) \ + vmlinux.initrd dummy.o extra-y := initrd.o quiet_cmd_ramdisk = RAMDISK $@ @@ -114,6 +117,14 @@ quiet_cmd_addsection = ADDSEC $@ quiet_cmd_addnote = ADDNOTE $@ cmd_addnote = $(obj)/addnote $@ +quiet_cmd_gen-miboot = GEN $@ + cmd_gen-miboot = $(OBJCOPY) $(OBJCOPY_MIB_ARGS) \ + --add-section=$1=$(word 2, $^) $< $@ + +quiet_cmd_gencoff = COFF $@ + cmd_gencoff = $(OBJCOPY) $(OBJCOPY_COFF_ARGS) $@ && \ + $(obj)/hack-coff $@ + $(call gz-sec, $(required)): $(obj)/kernel-%.gz: % $(call if_changed,gzip) @@ -127,22 +138,47 @@ $(call obj-sec, $(required) $(initrd)): $(obj)/kernel-%.o: $(obj)/kernel-%.c $(call if_changed_dep,bootcc) $(call cmd,addsection) -$(obj)/zImage.vmode: obj-boot += $(call obj-sec, $(required)) +$(obj)/zImage.vmode $(obj)/zImage.coff: obj-boot += $(call obj-sec, $(required)) $(obj)/zImage.vmode: $(call obj-sec, $(required)) $(obj-boot) $(srctree)/$(src)/zImage.lds - $(call cmd,bootld,$(obj-boot)) + $(call cmd,bootld,$(obj-boot),zImage.lds) -$(obj)/zImage.initrd.vmode: obj-boot += $(call obj-sec, $(required) $(initrd)) +$(obj)/zImage.initrd.vmode $(obj)/zImage.initrd.coff: obj-boot += $(call obj-sec, $(required) $(initrd)) $(obj)/zImage.initrd.vmode: $(call obj-sec, $(required) $(initrd)) $(obj-boot) $(srctree)/$(src)/zImage.lds - $(call cmd,bootld,$(obj-boot)) + $(call cmd,bootld,$(obj-boot),zImage.lds) + +# For 32-bit powermacs, build the COFF and miboot images +# as well as the ELF images. +coffimage-$(CONFIG_PPC_PMAC)-$(CONFIG_PPC32) := $(obj)/zImage.coff +coffrdimg-$(CONFIG_PPC_PMAC)-$(CONFIG_PPC32) := $(obj)/zImage.initrd.coff +mibootimg-$(CONFIG_PPC_PMAC)-$(CONFIG_PPC32) := $(obj)/miboot.image +mibrdimg-$(CONFIG_PPC_PMAC)-$(CONFIG_PPC32) := $(obj)/miboot.initrd.image -$(obj)/zImage: $(obj)/zImage.vmode $(obj)/addnote +$(obj)/zImage: $(obj)/zImage.vmode $(obj)/addnote $(coffimage-y-y) \ + $(mibootimg-y-y) @cp -f $< $@ $(call if_changed,addnote) -$(obj)/zImage.initrd: $(obj)/zImage.initrd.vmode $(obj)/addnote +$(obj)/zImage.initrd: $(obj)/zImage.initrd.vmode $(obj)/addnote \ + $(coffrdimg-y-y) $(mibrdimg-y-y) @cp -f $< $@ $(call if_changed,addnote) +$(obj)/zImage.coff: $(call obj-sec, $(required)) $(obj-boot) \ + $(srctree)/$(src)/zImage.coff.lds $(obj)/hack-coff + $(call cmd,bootld,$(obj-boot),zImage.coff.lds) + $(call cmd,gencoff) + +$(obj)/zImage.initrd.coff: $(call obj-sec, $(required) $(initrd)) $(obj-boot) \ + $(srctree)/$(src)/zImage.coff.lds $(obj)/hack-coff + $(call cmd,bootld,$(obj-boot),zImage.coff.lds) + $(call cmd,gencoff) + +$(obj)/miboot.image: $(obj)/dummy.o $(obj)/vmlinux.gz + $(call cmd,gen-miboot,image) + +$(obj)/miboot.initrd.image: $(obj)/miboot.image $(images)/ramdisk.image.gz + $(call cmd,gen-miboot,initrd) + #----------------------------------------------------------- # build u-boot images #----------------------------------------------------------- diff --git a/arch/powerpc/boot/crt0.S b/arch/powerpc/boot/crt0.S index d2f2ace56cd3..e0192c26037b 100644 --- a/arch/powerpc/boot/crt0.S +++ b/arch/powerpc/boot/crt0.S @@ -12,17 +12,23 @@ #include "ppc_asm.h" .text + /* a procedure descriptor used when booting this as a COFF file */ +_zimage_start_opd: + .long _zimage_start, 0, 0, 0 + .globl _zimage_start _zimage_start: + /* Work out the offset between the address we were linked at + and the address where we're running. */ bl 1f - -1: - mflr r0 +1: mflr r0 lis r9,1b@ha addi r9,r9,1b@l subf. r0,r9,r0 - beq 3f + beq 3f /* if running at same address as linked */ + /* The .got2 section contains a list of addresses, so add + the address offset onto each entry. */ lis r9,__got2_start@ha addi r9,r9,__got2_start@l lis r8,__got2_end@ha @@ -32,15 +38,14 @@ _zimage_start: srwi. r8,r8,2 mtctr r8 add r9,r0,r9 -2: - lwz r8,0(r9) +2: lwz r8,0(r9) add r8,r8,r0 stw r8,0(r9) addi r9,r9,4 bdnz 2b -3: - lis r9,_start@h + /* Do a cache flush for our text, in case OF didn't */ +3: lis r9,_start@h add r9,r0,r9 lis r8,_etext@ha addi r8,r8,_etext@l diff --git a/arch/powerpc/boot/dummy.c b/arch/powerpc/boot/dummy.c new file mode 100644 index 000000000000..31dbf45bf99c --- /dev/null +++ b/arch/powerpc/boot/dummy.c @@ -0,0 +1,4 @@ +int main(void) +{ + return 0; +} diff --git a/arch/powerpc/boot/hack-coff.c b/arch/powerpc/boot/hack-coff.c new file mode 100644 index 000000000000..5e5a6573a1ef --- /dev/null +++ b/arch/powerpc/boot/hack-coff.c @@ -0,0 +1,84 @@ +/* + * hack-coff.c - hack the header of an xcoff file to fill in + * a few fields needed by the Open Firmware xcoff loader on + * Power Macs but not initialized by objcopy. + * + * Copyright (C) Paul Mackerras 1997. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <fcntl.h> +#include <string.h> +#include "rs6000.h" + +#define AOUT_MAGIC 0x010b + +#define get_16be(x) ((((unsigned char *)(x))[0] << 8) \ + + ((unsigned char *)(x))[1]) +#define put_16be(x, v) (((unsigned char *)(x))[0] = (v) >> 8, \ + ((unsigned char *)(x))[1] = (v) & 0xff) +#define get_32be(x) ((((unsigned char *)(x))[0] << 24) \ + + (((unsigned char *)(x))[1] << 16) \ + + (((unsigned char *)(x))[2] << 8) \ + + ((unsigned char *)(x))[3]) + +int +main(int ac, char **av) +{ + int fd; + int i, nsect; + int aoutsz; + struct external_filehdr fhdr; + AOUTHDR aout; + struct external_scnhdr shdr; + + if (ac != 2) { + fprintf(stderr, "Usage: hack-coff coff-file\n"); + exit(1); + } + if ((fd = open(av[1], 2)) == -1) { + perror(av[2]); + exit(1); + } + if (read(fd, &fhdr, sizeof(fhdr)) != sizeof(fhdr)) + goto readerr; + i = get_16be(fhdr.f_magic); + if (i != U802TOCMAGIC && i != U802WRMAGIC && i != U802ROMAGIC) { + fprintf(stderr, "%s: not an xcoff file\n", av[1]); + exit(1); + } + aoutsz = get_16be(fhdr.f_opthdr); + if (read(fd, &aout, aoutsz) != aoutsz) + goto readerr; + nsect = get_16be(fhdr.f_nscns); + for (i = 0; i < nsect; ++i) { + if (read(fd, &shdr, sizeof(shdr)) != sizeof(shdr)) + goto readerr; + if (strcmp(shdr.s_name, ".text") == 0) { + put_16be(aout.o_snentry, i+1); + put_16be(aout.o_sntext, i+1); + } else if (strcmp(shdr.s_name, ".data") == 0) { + put_16be(aout.o_sndata, i+1); + } else if (strcmp(shdr.s_name, ".bss") == 0) { + put_16be(aout.o_snbss, i+1); + } + } + put_16be(aout.magic, AOUT_MAGIC); + if (lseek(fd, (long) sizeof(struct external_filehdr), 0) == -1 + || write(fd, &aout, aoutsz) != aoutsz) { + fprintf(stderr, "%s: write error\n", av[1]); + exit(1); + } + close(fd); + exit(0); + +readerr: + fprintf(stderr, "%s: read error or file too short\n", av[1]); + exit(1); +} diff --git a/arch/powerpc/boot/main.c b/arch/powerpc/boot/main.c index 64ec93116fa6..55ec59867250 100644 --- a/arch/powerpc/boot/main.c +++ b/arch/powerpc/boot/main.c @@ -21,8 +21,8 @@ extern void flush_cache(void *, unsigned long); /* Value picked to match that used by yaboot */ -#define PROG_START 0x01400000 -#define RAM_END (512<<20) // Fixme: use OF */ +#define PROG_START 0x01400000 /* only used on 64-bit systems */ +#define RAM_END (512<<20) /* Fixme: use OF */ #define ONE_MB 0x100000 extern char _start[]; @@ -160,6 +160,17 @@ static int is_elf64(void *hdr) elfoffset = (unsigned long)elf64ph->p_offset; vmlinux.size = (unsigned long)elf64ph->p_filesz + elfoffset; vmlinux.memsize = (unsigned long)elf64ph->p_memsz + elfoffset; + +#if defined(PROG_START) + /* + * Maintain a "magic" minimum address. This keeps some older + * firmware platforms running. + */ + + if (claim_base < PROG_START) + claim_base = PROG_START; +#endif + return 1; } @@ -206,12 +217,18 @@ void start(unsigned long a1, unsigned long a2, void *promptr, void *sp) exit(); if (getprop(chosen_handle, "stdout", &stdout, sizeof(stdout)) != 4) exit(); - stderr = stdout; - if (getprop(chosen_handle, "stdin", &stdin, sizeof(stdin)) != 4) - exit(); printf("\n\rzImage starting: loaded at 0x%p (sp: 0x%p)\n\r", _start, sp); + /* + * The first available claim_base must be above the end of the + * the loaded kernel wrapper file (_start to _end includes the + * initrd image if it is present) and rounded up to a nice + * 1 MB boundary for good measure. + */ + + claim_base = _ALIGN_UP((unsigned long)_end, ONE_MB); + vmlinuz.addr = (unsigned long)_vmlinux_start; vmlinuz.size = (unsigned long)(_vmlinux_end - _vmlinux_start); @@ -228,25 +245,6 @@ void start(unsigned long a1, unsigned long a2, void *promptr, void *sp) exit(); } - /* - * The first available claim_base must be above the end of the - * the loaded kernel wrapper file (_start to _end includes the - * initrd image if it is present) and rounded up to a nice - * 1 MB boundary for good measure. - */ - - claim_base = _ALIGN_UP((unsigned long)_end, ONE_MB); - -#if defined(PROG_START) - /* - * Maintain a "magic" minimum address. This keeps some older - * firmware platforms running. - */ - - if (claim_base < PROG_START) - claim_base = PROG_START; -#endif - /* We need to claim the memsize plus the file offset since gzip * will expand the header (file offset), then the kernel, then * possible rubbish we don't care about. But the kernel bss must diff --git a/arch/powerpc/boot/prom.c b/arch/powerpc/boot/prom.c index 4bea2f4dcb06..fa0057736f6b 100644 --- a/arch/powerpc/boot/prom.c +++ b/arch/powerpc/boot/prom.c @@ -13,487 +13,153 @@ #include "prom.h" int (*prom)(void *); +phandle chosen_handle; +ihandle stdout; -void *chosen_handle; - -void *stdin; -void *stdout; -void *stderr; - - -int -write(void *handle, void *ptr, int nb) -{ - struct prom_args { - char *service; - int nargs; - int nret; - void *ihandle; - void *addr; - int len; - int actual; - } args; - - args.service = "write"; - args.nargs = 3; - args.nret = 1; - args.ihandle = handle; - args.addr = ptr; - args.len = nb; - args.actual = -1; - (*prom)(&args); - return args.actual; -} - -int -read(void *handle, void *ptr, int nb) +int call_prom(const char *service, int nargs, int nret, ...) { + int i; struct prom_args { - char *service; + const char *service; int nargs; int nret; - void *ihandle; - void *addr; - int len; - int actual; - } args; - - args.service = "read"; - args.nargs = 3; - args.nret = 1; - args.ihandle = handle; - args.addr = ptr; - args.len = nb; - args.actual = -1; - (*prom)(&args); - return args.actual; -} - -void -exit() -{ - struct prom_args { - char *service; - } args; - - for (;;) { - args.service = "exit"; - (*prom)(&args); - } -} - -void -pause(void) -{ - struct prom_args { - char *service; + unsigned int args[12]; } args; + va_list list; - args.service = "enter"; - (*prom)(&args); -} + args.service = service; + args.nargs = nargs; + args.nret = nret; -void * -finddevice(const char *name) -{ - struct prom_args { - char *service; - int nargs; - int nret; - const char *devspec; - void *phandle; - } args; + va_start(list, nret); + for (i = 0; i < nargs; i++) + args.args[i] = va_arg(list, unsigned int); + va_end(list); - args.service = "finddevice"; - args.nargs = 1; - args.nret = 1; - args.devspec = name; - args.phandle = (void *) -1; - (*prom)(&args); - return args.phandle; -} + for (i = 0; i < nret; i++) + args.args[nargs+i] = 0; -void * -claim(unsigned long virt, unsigned long size, unsigned long align) -{ - struct prom_args { - char *service; - int nargs; - int nret; - unsigned int virt; - unsigned int size; - unsigned int align; - void *ret; - } args; + if (prom(&args) < 0) + return -1; - args.service = "claim"; - args.nargs = 3; - args.nret = 1; - args.virt = virt; - args.size = size; - args.align = align; - (*prom)(&args); - return args.ret; + return (nret > 0)? args.args[nargs]: 0; } -int -getprop(void *phandle, const char *name, void *buf, int buflen) +int call_prom_ret(const char *service, int nargs, int nret, + unsigned int *rets, ...) { + int i; struct prom_args { - char *service; + const char *service; int nargs; int nret; - void *phandle; - const char *name; - void *buf; - int buflen; - int size; + unsigned int args[12]; } args; + va_list list; - args.service = "getprop"; - args.nargs = 4; - args.nret = 1; - args.phandle = phandle; - args.name = name; - args.buf = buf; - args.buflen = buflen; - args.size = -1; - (*prom)(&args); - return args.size; -} + args.service = service; + args.nargs = nargs; + args.nret = nret; -int -putc(int c, void *f) -{ - char ch = c; + va_start(list, rets); + for (i = 0; i < nargs; i++) + args.args[i] = va_arg(list, unsigned int); + va_end(list); - if (c == '\n') - putc('\r', f); - return write(f, &ch, 1) == 1? c: -1; -} + for (i = 0; i < nret; i++) + args.args[nargs+i] = 0; -int -putchar(int c) -{ - return putc(c, stdout); -} + if (prom(&args) < 0) + return -1; -int -fputs(char *str, void *f) -{ - int n = strlen(str); + if (rets != (void *) 0) + for (i = 1; i < nret; ++i) + rets[i-1] = args.args[nargs+i]; - return write(f, str, n) == n? 0: -1; + return (nret > 0)? args.args[nargs]: 0; } -size_t strnlen(const char * s, size_t count) +int write(void *handle, void *ptr, int nb) { - const char *sc; - - for (sc = s; count-- && *sc != '\0'; ++sc) - /* nothing */; - return sc - s; + return call_prom("write", 3, 1, handle, ptr, nb); } -extern unsigned int __div64_32(unsigned long long *dividend, - unsigned int divisor); - -/* The unnecessary pointer compare is there - * to check for type safety (n must be 64bit) +/* + * Older OF's require that when claiming a specific range of addresses, + * we claim the physical space in the /memory node and the virtual + * space in the chosen mmu node, and then do a map operation to + * map virtual to physical. */ -# define do_div(n,base) ({ \ - unsigned int __base = (base); \ - unsigned int __rem; \ - (void)(((typeof((n)) *)0) == ((unsigned long long *)0)); \ - if (((n) >> 32) == 0) { \ - __rem = (unsigned int)(n) % __base; \ - (n) = (unsigned int)(n) / __base; \ - } else \ - __rem = __div64_32(&(n), __base); \ - __rem; \ - }) +static int need_map = -1; +static ihandle chosen_mmu; +static phandle memory; -static int skip_atoi(const char **s) +/* returns true if s2 is a prefix of s1 */ +static int string_match(const char *s1, const char *s2) { - int i, c; - - for (i = 0; '0' <= (c = **s) && c <= '9'; ++*s) - i = i*10 + c - '0'; - return i; + for (; *s2; ++s2) + if (*s1++ != *s2) + return 0; + return 1; } -#define ZEROPAD 1 /* pad with zero */ -#define SIGN 2 /* unsigned/signed long */ -#define PLUS 4 /* show plus */ -#define SPACE 8 /* space if plus */ -#define LEFT 16 /* left justified */ -#define SPECIAL 32 /* 0x */ -#define LARGE 64 /* use 'ABCDEF' instead of 'abcdef' */ - -static char * number(char * str, unsigned long long num, int base, int size, int precision, int type) +static int check_of_version(void) { - char c,sign,tmp[66]; - const char *digits="0123456789abcdefghijklmnopqrstuvwxyz"; - int i; + phandle oprom, chosen; + char version[64]; - if (type & LARGE) - digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; - if (type & LEFT) - type &= ~ZEROPAD; - if (base < 2 || base > 36) + oprom = finddevice("/openprom"); + if (oprom == (phandle) -1) return 0; - c = (type & ZEROPAD) ? '0' : ' '; - sign = 0; - if (type & SIGN) { - if ((signed long long)num < 0) { - sign = '-'; - num = - (signed long long)num; - size--; - } else if (type & PLUS) { - sign = '+'; - size--; - } else if (type & SPACE) { - sign = ' '; - size--; + if (getprop(oprom, "model", version, sizeof(version)) <= 0) + return 0; + version[sizeof(version)-1] = 0; + printf("OF version = '%s'\r\n", version); + if (!string_match(version, "Open Firmware, 1.") + && !string_match(version, "FirmWorks,3.")) + return 0; + chosen = finddevice("/chosen"); + if (chosen == (phandle) -1) { + chosen = finddevice("/chosen@0"); + if (chosen == (phandle) -1) { + printf("no chosen\n"); + return 0; } } - if (type & SPECIAL) { - if (base == 16) - size -= 2; - else if (base == 8) - size--; - } - i = 0; - if (num == 0) - tmp[i++]='0'; - else while (num != 0) { - tmp[i++] = digits[do_div(num, base)]; + if (getprop(chosen, "mmu", &chosen_mmu, sizeof(chosen_mmu)) <= 0) { + printf("no mmu\n"); + return 0; } - if (i > precision) - precision = i; - size -= precision; - if (!(type&(ZEROPAD+LEFT))) - while(size-->0) - *str++ = ' '; - if (sign) - *str++ = sign; - if (type & SPECIAL) { - if (base==8) - *str++ = '0'; - else if (base==16) { - *str++ = '0'; - *str++ = digits[33]; + memory = (ihandle) call_prom("open", 1, 1, "/memory"); + if (memory == (ihandle) -1) { + memory = (ihandle) call_prom("open", 1, 1, "/memory@0"); + if (memory == (ihandle) -1) { + printf("no memory node\n"); + return 0; } } - if (!(type & LEFT)) - while (size-- > 0) - *str++ = c; - while (i < precision--) - *str++ = '0'; - while (i-- > 0) - *str++ = tmp[i]; - while (size-- > 0) - *str++ = ' '; - return str; + printf("old OF detected\r\n"); + return 1; } -int vsprintf(char *buf, const char *fmt, va_list args) +void *claim(unsigned long virt, unsigned long size, unsigned long align) { - int len; - unsigned long long num; - int i, base; - char * str; - const char *s; - - int flags; /* flags to number() */ - - int field_width; /* width of output field */ - int precision; /* min. # of digits for integers; max - number of chars for from string */ - int qualifier; /* 'h', 'l', or 'L' for integer fields */ - /* 'z' support added 23/7/1999 S.H. */ - /* 'z' changed to 'Z' --davidm 1/25/99 */ + int ret; + unsigned int result; + if (need_map < 0) + need_map = check_of_version(); + if (align || !need_map) + return (void *) call_prom("claim", 3, 1, virt, size, align); - for (str=buf ; *fmt ; ++fmt) { - if (*fmt != '%') { - *str++ = *fmt; - continue; - } - - /* process flags */ - flags = 0; - repeat: - ++fmt; /* this also skips first '%' */ - switch (*fmt) { - case '-': flags |= LEFT; goto repeat; - case '+': flags |= PLUS; goto repeat; - case ' ': flags |= SPACE; goto repeat; - case '#': flags |= SPECIAL; goto repeat; - case '0': flags |= ZEROPAD; goto repeat; - } - - /* get field width */ - field_width = -1; - if ('0' <= *fmt && *fmt <= '9') - field_width = skip_atoi(&fmt); - else if (*fmt == '*') { - ++fmt; - /* it's the next argument */ - field_width = va_arg(args, int); - if (field_width < 0) { - field_width = -field_width; - flags |= LEFT; - } - } - - /* get the precision */ - precision = -1; - if (*fmt == '.') { - ++fmt; - if ('0' <= *fmt && *fmt <= '9') - precision = skip_atoi(&fmt); - else if (*fmt == '*') { - ++fmt; - /* it's the next argument */ - precision = va_arg(args, int); - } - if (precision < 0) - precision = 0; - } - - /* get the conversion qualifier */ - qualifier = -1; - if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L' || *fmt =='Z') { - qualifier = *fmt; - ++fmt; - } - - /* default base */ - base = 10; - - switch (*fmt) { - case 'c': - if (!(flags & LEFT)) - while (--field_width > 0) - *str++ = ' '; - *str++ = (unsigned char) va_arg(args, int); - while (--field_width > 0) - *str++ = ' '; - continue; - - case 's': - s = va_arg(args, char *); - if (!s) - s = "<NULL>"; - - len = strnlen(s, precision); - - if (!(flags & LEFT)) - while (len < field_width--) - *str++ = ' '; - for (i = 0; i < len; ++i) - *str++ = *s++; - while (len < field_width--) - *str++ = ' '; - continue; - - case 'p': - if (field_width == -1) { - field_width = 2*sizeof(void *); - flags |= ZEROPAD; - } - str = number(str, - (unsigned long) va_arg(args, void *), 16, - field_width, precision, flags); - continue; - - - case 'n': - if (qualifier == 'l') { - long * ip = va_arg(args, long *); - *ip = (str - buf); - } else if (qualifier == 'Z') { - size_t * ip = va_arg(args, size_t *); - *ip = (str - buf); - } else { - int * ip = va_arg(args, int *); - *ip = (str - buf); - } - continue; - - case '%': - *str++ = '%'; - continue; - - /* integer number formats - set up the flags and "break" */ - case 'o': - base = 8; - break; - - case 'X': - flags |= LARGE; - case 'x': - base = 16; - break; - - case 'd': - case 'i': - flags |= SIGN; - case 'u': - break; - - default: - *str++ = '%'; - if (*fmt) - *str++ = *fmt; - else - --fmt; - continue; - } - if (qualifier == 'l') { - num = va_arg(args, unsigned long); - if (flags & SIGN) - num = (signed long) num; - } else if (qualifier == 'Z') { - num = va_arg(args, size_t); - } else if (qualifier == 'h') { - num = (unsigned short) va_arg(args, int); - if (flags & SIGN) - num = (signed short) num; - } else { - num = va_arg(args, unsigned int); - if (flags & SIGN) - num = (signed int) num; - } - str = number(str, num, base, field_width, precision, flags); - } - *str = '\0'; - return str-buf; -} - -int sprintf(char * buf, const char *fmt, ...) -{ - va_list args; - int i; - - va_start(args, fmt); - i=vsprintf(buf,fmt,args); - va_end(args); - return i; -} - -static char sprint_buf[1024]; - -int -printf(const char *fmt, ...) -{ - va_list args; - int n; - - va_start(args, fmt); - n = vsprintf(sprint_buf, fmt, args); - va_end(args); - write(stdout, sprint_buf, n); - return n; + ret = call_prom_ret("call-method", 5, 2, &result, "claim", memory, + align, size, virt); + if (ret != 0 || result == -1) + return (void *) -1; + ret = call_prom_ret("call-method", 5, 2, &result, "claim", chosen_mmu, + align, size, virt); + /* 0x12 == coherent + read/write */ + ret = call_prom("call-method", 6, 1, "map", chosen_mmu, + 0x12, size, virt, virt); + return (void *) virt; } diff --git a/arch/powerpc/boot/prom.h b/arch/powerpc/boot/prom.h index 96ab5aec740c..3e2ddd4a5a81 100644 --- a/arch/powerpc/boot/prom.h +++ b/arch/powerpc/boot/prom.h @@ -1,18 +1,34 @@ #ifndef _PPC_BOOT_PROM_H_ #define _PPC_BOOT_PROM_H_ +typedef void *phandle; +typedef void *ihandle; + extern int (*prom) (void *); -extern void *chosen_handle; +extern phandle chosen_handle; +extern ihandle stdout; -extern void *stdin; -extern void *stdout; -extern void *stderr; +int call_prom(const char *service, int nargs, int nret, ...); +int call_prom_ret(const char *service, int nargs, int nret, + unsigned int *rets, ...); extern int write(void *handle, void *ptr, int nb); -extern int read(void *handle, void *ptr, int nb); -extern void exit(void); -extern void pause(void); -extern void *finddevice(const char *); -extern void *claim(unsigned long virt, unsigned long size, unsigned long align); -extern int getprop(void *phandle, const char *name, void *buf, int buflen); +extern void *claim(unsigned long virt, unsigned long size, unsigned long aln); + +static inline void exit(void) +{ + call_prom("exit", 0, 0); +} + +static inline phandle finddevice(const char *name) +{ + return (phandle) call_prom("finddevice", 1, 1, name); +} + +static inline int getprop(void *phandle, const char *name, + void *buf, int buflen) +{ + return call_prom("getprop", 4, 1, phandle, name, buf, buflen); +} + #endif /* _PPC_BOOT_PROM_H_ */ diff --git a/arch/powerpc/boot/rs6000.h b/arch/powerpc/boot/rs6000.h new file mode 100644 index 000000000000..433f45084e41 --- /dev/null +++ b/arch/powerpc/boot/rs6000.h @@ -0,0 +1,243 @@ +/* IBM RS/6000 "XCOFF" file definitions for BFD. + Copyright (C) 1990, 1991 Free Software Foundation, Inc. + FIXME: Can someone provide a transliteration of this name into ASCII? + Using the following chars caused a compiler warning on HIUX (so I replaced + them with octal escapes), and isn't useful without an understanding of what + character set it is. + Written by Mimi Ph\373\364ng-Th\345o V\365 of IBM + and John Gilmore of Cygnus Support. */ + +/********************** FILE HEADER **********************/ + +struct external_filehdr { + char f_magic[2]; /* magic number */ + char f_nscns[2]; /* number of sections */ + char f_timdat[4]; /* time & date stamp */ + char f_symptr[4]; /* file pointer to symtab */ + char f_nsyms[4]; /* number of symtab entries */ + char f_opthdr[2]; /* sizeof(optional hdr) */ + char f_flags[2]; /* flags */ +}; + + /* IBM RS/6000 */ +#define U802WRMAGIC 0730 /* writeable text segments **chh** */ +#define U802ROMAGIC 0735 /* readonly sharable text segments */ +#define U802TOCMAGIC 0737 /* readonly text segments and TOC */ + +#define BADMAG(x) \ + ((x).f_magic != U802ROMAGIC && (x).f_magic != U802WRMAGIC && \ + (x).f_magic != U802TOCMAGIC) + +#define FILHDR struct external_filehdr +#define FILHSZ 20 + + +/********************** AOUT "OPTIONAL HEADER" **********************/ + + +typedef struct +{ + unsigned char magic[2]; /* type of file */ + unsigned char vstamp[2]; /* version stamp */ + unsigned char tsize[4]; /* text size in bytes, padded to FW bdry */ + unsigned char dsize[4]; /* initialized data " " */ + unsigned char bsize[4]; /* uninitialized data " " */ + unsigned char entry[4]; /* entry pt. */ + unsigned char text_start[4]; /* base of text used for this file */ + unsigned char data_start[4]; /* base of data used for this file */ + unsigned char o_toc[4]; /* address of TOC */ + unsigned char o_snentry[2]; /* section number of entry point */ + unsigned char o_sntext[2]; /* section number of .text section */ + unsigned char o_sndata[2]; /* section number of .data section */ + unsigned char o_sntoc[2]; /* section number of TOC */ + unsigned char o_snloader[2]; /* section number of .loader section */ + unsigned char o_snbss[2]; /* section number of .bss section */ + unsigned char o_algntext[2]; /* .text alignment */ + unsigned char o_algndata[2]; /* .data alignment */ + unsigned char o_modtype[2]; /* module type (??) */ + unsigned char o_cputype[2]; /* cpu type */ + unsigned char o_maxstack[4]; /* max stack size (??) */ + unsigned char o_maxdata[4]; /* max data size (??) */ + unsigned char o_resv2[12]; /* reserved */ +} +AOUTHDR; + +#define AOUTSZ 72 +#define SMALL_AOUTSZ (28) +#define AOUTHDRSZ 72 + +#define RS6K_AOUTHDR_OMAGIC 0x0107 /* old: text & data writeable */ +#define RS6K_AOUTHDR_NMAGIC 0x0108 /* new: text r/o, data r/w */ +#define RS6K_AOUTHDR_ZMAGIC 0x010B /* paged: text r/o, both page-aligned */ + + +/********************** SECTION HEADER **********************/ + + +struct external_scnhdr { + char s_name[8]; /* section name */ + char s_paddr[4]; /* physical address, aliased s_nlib */ + char s_vaddr[4]; /* virtual address */ + char s_size[4]; /* section size */ + char s_scnptr[4]; /* file ptr to raw data for section */ + char s_relptr[4]; /* file ptr to relocation */ + char s_lnnoptr[4]; /* file ptr to line numbers */ + char s_nreloc[2]; /* number of relocation entries */ + char s_nlnno[2]; /* number of line number entries*/ + char s_flags[4]; /* flags */ +}; + +/* + * names of "special" sections + */ +#define _TEXT ".text" +#define _DATA ".data" +#define _BSS ".bss" +#define _PAD ".pad" +#define _LOADER ".loader" + +#define SCNHDR struct external_scnhdr +#define SCNHSZ 40 + +/* XCOFF uses a special .loader section with type STYP_LOADER. */ +#define STYP_LOADER 0x1000 + +/* XCOFF uses a special .debug section with type STYP_DEBUG. */ +#define STYP_DEBUG 0x2000 + +/* XCOFF handles line number or relocation overflow by creating + another section header with STYP_OVRFLO set. */ +#define STYP_OVRFLO 0x8000 + +/********************** LINE NUMBERS **********************/ + +/* 1 line number entry for every "breakpointable" source line in a section. + * Line numbers are grouped on a per function basis; first entry in a function + * grouping will have l_lnno = 0 and in place of physical address will be the + * symbol table index of the function name. + */ +struct external_lineno { + union { + char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/ + char l_paddr[4]; /* (physical) address of line number */ + } l_addr; + char l_lnno[2]; /* line number */ +}; + + +#define LINENO struct external_lineno +#define LINESZ 6 + + +/********************** SYMBOLS **********************/ + +#define E_SYMNMLEN 8 /* # characters in a symbol name */ +#define E_FILNMLEN 14 /* # characters in a file name */ +#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */ + +struct external_syment +{ + union { + char e_name[E_SYMNMLEN]; + struct { + char e_zeroes[4]; + char e_offset[4]; + } e; + } e; + char e_value[4]; + char e_scnum[2]; + char e_type[2]; + char e_sclass[1]; + char e_numaux[1]; +}; + + + +#define N_BTMASK (017) +#define N_TMASK (060) +#define N_BTSHFT (4) +#define N_TSHIFT (2) + + +union external_auxent { + struct { + char x_tagndx[4]; /* str, un, or enum tag indx */ + union { + struct { + char x_lnno[2]; /* declaration line number */ + char x_size[2]; /* str/union/array size */ + } x_lnsz; + char x_fsize[4]; /* size of function */ + } x_misc; + union { + struct { /* if ISFCN, tag, or .bb */ + char x_lnnoptr[4]; /* ptr to fcn line # */ + char x_endndx[4]; /* entry ndx past block end */ + } x_fcn; + struct { /* if ISARY, up to 4 dimen. */ + char x_dimen[E_DIMNUM][2]; + } x_ary; + } x_fcnary; + char x_tvndx[2]; /* tv index */ + } x_sym; + + union { + char x_fname[E_FILNMLEN]; + struct { + char x_zeroes[4]; + char x_offset[4]; + } x_n; + } x_file; + + struct { + char x_scnlen[4]; /* section length */ + char x_nreloc[2]; /* # relocation entries */ + char x_nlinno[2]; /* # line numbers */ + } x_scn; + + struct { + char x_tvfill[4]; /* tv fill value */ + char x_tvlen[2]; /* length of .tv */ + char x_tvran[2][2]; /* tv range */ + } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ + + struct { + unsigned char x_scnlen[4]; + unsigned char x_parmhash[4]; + unsigned char x_snhash[2]; + unsigned char x_smtyp[1]; + unsigned char x_smclas[1]; + unsigned char x_stab[4]; + unsigned char x_snstab[2]; + } x_csect; + +}; + +#define SYMENT struct external_syment +#define SYMESZ 18 +#define AUXENT union external_auxent +#define AUXESZ 18 +#define DBXMASK 0x80 /* for dbx storage mask */ +#define SYMNAME_IN_DEBUG(symptr) ((symptr)->n_sclass & DBXMASK) + + + +/********************** RELOCATION DIRECTIVES **********************/ + + +struct external_reloc { + char r_vaddr[4]; + char r_symndx[4]; + char r_size[1]; + char r_type[1]; +}; + + +#define RELOC struct external_reloc +#define RELSZ 10 + +#define DEFAULT_DATA_SECTION_ALIGNMENT 4 +#define DEFAULT_BSS_SECTION_ALIGNMENT 4 +#define DEFAULT_TEXT_SECTION_ALIGNMENT 4 +/* For new sections we havn't heard of before */ +#define DEFAULT_SECTION_ALIGNMENT 4 diff --git a/arch/powerpc/boot/stdio.c b/arch/powerpc/boot/stdio.c new file mode 100644 index 000000000000..b5aa522f8b77 --- /dev/null +++ b/arch/powerpc/boot/stdio.c @@ -0,0 +1,325 @@ +/* + * Copyright (C) Paul Mackerras 1997. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#include <stdarg.h> +#include <stddef.h> +#include "string.h" +#include "stdio.h" +#include "prom.h" + +size_t strnlen(const char * s, size_t count) +{ + const char *sc; + + for (sc = s; count-- && *sc != '\0'; ++sc) + /* nothing */; + return sc - s; +} + +extern unsigned int __div64_32(unsigned long long *dividend, + unsigned int divisor); + +/* The unnecessary pointer compare is there + * to check for type safety (n must be 64bit) + */ +# define do_div(n,base) ({ \ + unsigned int __base = (base); \ + unsigned int __rem; \ + (void)(((typeof((n)) *)0) == ((unsigned long long *)0)); \ + if (((n) >> 32) == 0) { \ + __rem = (unsigned int)(n) % __base; \ + (n) = (unsigned int)(n) / __base; \ + } else \ + __rem = __div64_32(&(n), __base); \ + __rem; \ + }) + +static int skip_atoi(const char **s) +{ + int i, c; + + for (i = 0; '0' <= (c = **s) && c <= '9'; ++*s) + i = i*10 + c - '0'; + return i; +} + +#define ZEROPAD 1 /* pad with zero */ +#define SIGN 2 /* unsigned/signed long */ +#define PLUS 4 /* show plus */ +#define SPACE 8 /* space if plus */ +#define LEFT 16 /* left justified */ +#define SPECIAL 32 /* 0x */ +#define LARGE 64 /* use 'ABCDEF' instead of 'abcdef' */ + +static char * number(char * str, unsigned long long num, int base, int size, int precision, int type) +{ + char c,sign,tmp[66]; + const char *digits="0123456789abcdefghijklmnopqrstuvwxyz"; + int i; + + if (type & LARGE) + digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; + if (type & LEFT) + type &= ~ZEROPAD; + if (base < 2 || base > 36) + return 0; + c = (type & ZEROPAD) ? '0' : ' '; + sign = 0; + if (type & SIGN) { + if ((signed long long)num < 0) { + sign = '-'; + num = - (signed long long)num; + size--; + } else if (type & PLUS) { + sign = '+'; + size--; + } else if (type & SPACE) { + sign = ' '; + size--; + } + } + if (type & SPECIAL) { + if (base == 16) + size -= 2; + else if (base == 8) + size--; + } + i = 0; + if (num == 0) + tmp[i++]='0'; + else while (num != 0) { + tmp[i++] = digits[do_div(num, base)]; + } + if (i > precision) + precision = i; + size -= precision; + if (!(type&(ZEROPAD+LEFT))) + while(size-->0) + *str++ = ' '; + if (sign) + *str++ = sign; + if (type & SPECIAL) { + if (base==8) + *str++ = '0'; + else if (base==16) { + *str++ = '0'; + *str++ = digits[33]; + } + } + if (!(type & LEFT)) + while (size-- > 0) + *str++ = c; + while (i < precision--) + *str++ = '0'; + while (i-- > 0) + *str++ = tmp[i]; + while (size-- > 0) + *str++ = ' '; + return str; +} + +int vsprintf(char *buf, const char *fmt, va_list args) +{ + int len; + unsigned long long num; + int i, base; + char * str; + const char *s; + + int flags; /* flags to number() */ + + int field_width; /* width of output field */ + int precision; /* min. # of digits for integers; max + number of chars for from string */ + int qualifier; /* 'h', 'l', or 'L' for integer fields */ + /* 'z' support added 23/7/1999 S.H. */ + /* 'z' changed to 'Z' --davidm 1/25/99 */ + + + for (str=buf ; *fmt ; ++fmt) { + if (*fmt != '%') { + *str++ = *fmt; + continue; + } + + /* process flags */ + flags = 0; + repeat: + ++fmt; /* this also skips first '%' */ + switch (*fmt) { + case '-': flags |= LEFT; goto repeat; + case '+': flags |= PLUS; goto repeat; + case ' ': flags |= SPACE; goto repeat; + case '#': flags |= SPECIAL; goto repeat; + case '0': flags |= ZEROPAD; goto repeat; + } + + /* get field width */ + field_width = -1; + if ('0' <= *fmt && *fmt <= '9') + field_width = skip_atoi(&fmt); + else if (*fmt == '*') { + ++fmt; + /* it's the next argument */ + field_width = va_arg(args, int); + if (field_width < 0) { + field_width = -field_width; + flags |= LEFT; + } + } + + /* get the precision */ + precision = -1; + if (*fmt == '.') { + ++fmt; + if ('0' <= *fmt && *fmt <= '9') + precision = skip_atoi(&fmt); + else if (*fmt == '*') { + ++fmt; + /* it's the next argument */ + precision = va_arg(args, int); + } + if (precision < 0) + precision = 0; + } + + /* get the conversion qualifier */ + qualifier = -1; + if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L' || *fmt =='Z') { + qualifier = *fmt; + ++fmt; + } + + /* default base */ + base = 10; + + switch (*fmt) { + case 'c': + if (!(flags & LEFT)) + while (--field_width > 0) + *str++ = ' '; + *str++ = (unsigned char) va_arg(args, int); + while (--field_width > 0) + *str++ = ' '; + continue; + + case 's': + s = va_arg(args, char *); + if (!s) + s = "<NULL>"; + + len = strnlen(s, precision); + + if (!(flags & LEFT)) + while (len < field_width--) + *str++ = ' '; + for (i = 0; i < len; ++i) + *str++ = *s++; + while (len < field_width--) + *str++ = ' '; + continue; + + case 'p': + if (field_width == -1) { + field_width = 2*sizeof(void *); + flags |= ZEROPAD; + } + str = number(str, + (unsigned long) va_arg(args, void *), 16, + field_width, precision, flags); + continue; + + + case 'n': + if (qualifier == 'l') { + long * ip = va_arg(args, long *); + *ip = (str - buf); + } else if (qualifier == 'Z') { + size_t * ip = va_arg(args, size_t *); + *ip = (str - buf); + } else { + int * ip = va_arg(args, int *); + *ip = (str - buf); + } + continue; + + case '%': + *str++ = '%'; + continue; + + /* integer number formats - set up the flags and "break" */ + case 'o': + base = 8; + break; + + case 'X': + flags |= LARGE; + case 'x': + base = 16; + break; + + case 'd': + case 'i': + flags |= SIGN; + case 'u': + break; + + default: + *str++ = '%'; + if (*fmt) + *str++ = *fmt; + else + --fmt; + continue; + } + if (qualifier == 'l') { + num = va_arg(args, unsigned long); + if (flags & SIGN) + num = (signed long) num; + } else if (qualifier == 'Z') { + num = va_arg(args, size_t); + } else if (qualifier == 'h') { + num = (unsigned short) va_arg(args, int); + if (flags & SIGN) + num = (signed short) num; + } else { + num = va_arg(args, unsigned int); + if (flags & SIGN) + num = (signed int) num; + } + str = number(str, num, base, field_width, precision, flags); + } + *str = '\0'; + return str-buf; +} + +int sprintf(char * buf, const char *fmt, ...) +{ + va_list args; + int i; + + va_start(args, fmt); + i=vsprintf(buf,fmt,args); + va_end(args); + return i; +} + +static char sprint_buf[1024]; + +int +printf(const char *fmt, ...) +{ + va_list args; + int n; + + va_start(args, fmt); + n = vsprintf(sprint_buf, fmt, args); + va_end(args); + write(stdout, sprint_buf, n); + return n; +} diff --git a/arch/powerpc/boot/stdio.h b/arch/powerpc/boot/stdio.h index 24bd3a8dee94..eb9e16c87aef 100644 --- a/arch/powerpc/boot/stdio.h +++ b/arch/powerpc/boot/stdio.h @@ -7,10 +7,4 @@ extern int sprintf(char *buf, const char *fmt, ...); extern int vsprintf(char *buf, const char *fmt, va_list args); -extern int putc(int c, void *f); -extern int putchar(int c); -extern int getchar(void); - -extern int fputs(char *str, void *f); - #endif /* _PPC_BOOT_STDIO_H_ */ diff --git a/arch/powerpc/boot/string.S b/arch/powerpc/boot/string.S index b1eeaed7db17..ac3d43b6a324 100644 --- a/arch/powerpc/boot/string.S +++ b/arch/powerpc/boot/string.S @@ -107,10 +107,12 @@ memcpy: rlwinm. r7,r5,32-3,3,31 /* r7 = r5 >> 3 */ addi r6,r3,-4 addi r4,r4,-4 - beq 2f /* if less than 8 bytes to do */ + beq 3f /* if less than 8 bytes to do */ andi. r0,r6,3 /* get dest word aligned */ mtctr r7 bne 5f + andi. r0,r4,3 /* check src word aligned too */ + bne 3f 1: lwz r7,4(r4) lwzu r8,8(r4) stw r7,4(r6) @@ -132,6 +134,11 @@ memcpy: bdnz 4b blr 5: subfic r0,r0,4 + cmpw cr1,r0,r5 + add r7,r0,r4 + andi. r7,r7,3 /* will source be word-aligned too? */ + ble cr1,3b + bne 3b /* do byte-by-byte if not */ mtctr r0 6: lbz r7,4(r4) addi r4,r4,1 @@ -149,10 +156,12 @@ backwards_memcpy: rlwinm. r7,r5,32-3,3,31 /* r7 = r5 >> 3 */ add r6,r3,r5 add r4,r4,r5 - beq 2f + beq 3f andi. r0,r6,3 mtctr r7 bne 5f + andi. r0,r4,3 + bne 3f 1: lwz r7,-4(r4) lwzu r8,-8(r4) stw r7,-4(r6) @@ -171,7 +180,12 @@ backwards_memcpy: stbu r0,-1(r6) bdnz 4b blr -5: mtctr r0 +5: cmpw cr1,r0,r5 + subf r7,r0,r4 + andi. r7,r7,3 + ble cr1,3b + bne 3b + mtctr r0 6: lbzu r7,-1(r4) stbu r7,-1(r6) bdnz 6b diff --git a/arch/powerpc/boot/zImage.coff.lds b/arch/powerpc/boot/zImage.coff.lds new file mode 100644 index 000000000000..6016251a1a2c --- /dev/null +++ b/arch/powerpc/boot/zImage.coff.lds @@ -0,0 +1,46 @@ +OUTPUT_ARCH(powerpc:common) +ENTRY(_start) +SECTIONS +{ + . = (5*1024*1024); + _start = .; + .text : + { + *(.text) + *(.fixup) + } + _etext = .; + . = ALIGN(4096); + .data : + { + *(.rodata*) + *(.data*) + *(.sdata*) + __got2_start = .; + *(.got2) + __got2_end = .; + + _vmlinux_start = .; + *(.kernel:vmlinux.strip) + _vmlinux_end = .; + + _initrd_start = .; + *(.kernel:initrd) + _initrd_end = .; + } + + . = ALIGN(4096); + _edata = .; + __bss_start = .; + .bss : + { + *(.sbss) + *(.bss) + } + _end = . ; + + /DISCARD/ : + { + *(.comment) + } +} diff --git a/arch/powerpc/configs/mpc834x_sys_defconfig b/arch/powerpc/configs/mpc834x_sys_defconfig new file mode 100644 index 000000000000..3bff761965c2 --- /dev/null +++ b/arch/powerpc/configs/mpc834x_sys_defconfig @@ -0,0 +1,911 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.15-g461d4edf-dirty +# Fri Jan 13 11:01:47 2006 +# +# CONFIG_PPC64 is not set +CONFIG_PPC32=y +CONFIG_PPC_MERGE=y +CONFIG_MMU=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_PPC=y +CONFIG_EARLY_PRINTK=y +CONFIG_GENERIC_NVRAM=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_PPC_OF=y +CONFIG_PPC_UDBG_16550=y +# CONFIG_GENERIC_TBSYNC is not set +CONFIG_DEFAULT_UIMAGE=y + +# +# Processor support +# +# CONFIG_CLASSIC32 is not set +# CONFIG_PPC_52xx is not set +# CONFIG_PPC_82xx is not set +CONFIG_PPC_83xx=y +# CONFIG_40x is not set +# CONFIG_44x is not set +# CONFIG_8xx is not set +# CONFIG_E200 is not set +# CONFIG_E500 is not set +CONFIG_6xx=y +CONFIG_83xx=y +CONFIG_PPC_FPU=y +CONFIG_PPC_STD_MMU=y +CONFIG_PPC_STD_MMU_32=y +# CONFIG_SMP is not set + +# +# Code maturity level options +# +CONFIG_EXPERIMENTAL=y +CONFIG_CLEAN_COMPILE=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 + +# +# General setup +# +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +# CONFIG_POSIX_MQUEUE is not set +# CONFIG_BSD_PROCESS_ACCT is not set +CONFIG_SYSCTL=y +# CONFIG_AUDIT is not set +# CONFIG_IKCONFIG is not set +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_EMBEDDED=y +# CONFIG_KALLSYMS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +# CONFIG_EPOLL is not set +CONFIG_SHMEM=y +CONFIG_CC_ALIGN_FUNCTIONS=0 +CONFIG_CC_ALIGN_LABELS=0 +CONFIG_CC_ALIGN_LOOPS=0 +CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_SLAB=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set + +# +# Loadable module support +# +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +CONFIG_OBSOLETE_MODPARM=y +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +# CONFIG_KMOD is not set + +# +# Block layer +# +# CONFIG_LBD is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" +CONFIG_PPC_GEN550=y +# CONFIG_WANT_EARLY_SERIAL is not set + +# +# Platform support +# +CONFIG_MPC834x_SYS=y +CONFIG_MPC834x=y + +# +# Kernel options +# +# CONFIG_HIGHMEM is not set +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_HZ_1000 is not set +CONFIG_HZ=250 +CONFIG_PREEMPT_NONE=y +# CONFIG_PREEMPT_VOLUNTARY is not set +# CONFIG_PREEMPT is not set +CONFIG_BINFMT_ELF=y +# CONFIG_BINFMT_MISC is not set +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_PROC_DEVICETREE=y +# CONFIG_CMDLINE_BOOL is not set +# CONFIG_PM is not set +# CONFIG_SOFTWARE_SUSPEND is not set +CONFIG_SECCOMP=y +CONFIG_ISA_DMA_API=y + +# +# Bus options +# +CONFIG_GENERIC_ISA_DMA=y +# CONFIG_PPC_I8259 is not set +CONFIG_PPC_INDIRECT_PCI=y +CONFIG_FSL_SOC=y +CONFIG_PCI=y +CONFIG_PCI_DOMAINS=y +# CONFIG_PCI_LEGACY_PROC is not set + +# +# PCCARD (PCMCIA/CardBus) support +# +# CONFIG_PCCARD is not set + +# +# PCI Hotplug Support +# +# CONFIG_HOTPLUG_PCI is not set + +# +# Advanced setup +# +# CONFIG_ADVANCED_OPTIONS is not set + +# +# Default settings for advanced configuration options are used +# +CONFIG_HIGHMEM_START=0xfe000000 +CONFIG_LOWMEM_SIZE=0x30000000 +CONFIG_KERNEL_START=0xc0000000 +CONFIG_TASK_SIZE=0x80000000 +CONFIG_BOOT_LOAD=0x00800000 + +# +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +# CONFIG_NET_KEY is not set +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_IP_MROUTE is not set +# CONFIG_ARPD is not set +CONFIG_SYN_COOKIES=y +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_BIC=y +# CONFIG_IPV6 is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_NET_DIVERT is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_IEEE80211 is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +# CONFIG_FW_LOADER is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set + +# +# Memory Technology Devices (MTD) +# +# CONFIG_MTD is not set + +# +# Parallel port support +# +# CONFIG_PARPORT is not set + +# +# Plug and Play support +# + +# +# Block devices +# +# CONFIG_BLK_DEV_FD is not set +# CONFIG_BLK_CPQ_DA is not set +# CONFIG_BLK_CPQ_CISS_DA is not set +# CONFIG_BLK_DEV_DAC960 is not set +# CONFIG_BLK_DEV_UMEM is not set +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=y +# CONFIG_BLK_DEV_CRYPTOLOOP is not set +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_SX8 is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=32768 +CONFIG_BLK_DEV_INITRD=y +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set + +# +# ATA/ATAPI/MFM/RLL support +# +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +# CONFIG_SCSI is not set + +# +# Multi-device support (RAID and LVM) +# +# CONFIG_MD is not set + +# +# Fusion MPT device support +# +# CONFIG_FUSION is not set + +# +# IEEE 1394 (FireWire) support +# +# CONFIG_IEEE1394 is not set + +# +# I2O device support +# +# CONFIG_I2O is not set + +# +# Macintosh device drivers +# +# CONFIG_WINDFARM is not set + +# +# Network device support +# +CONFIG_NETDEVICES=y +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set + +# +# ARCnet devices +# +# CONFIG_ARCNET is not set + +# +# PHY device support +# +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +CONFIG_MARVELL_PHY=y +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set + +# +# Ethernet (10 or 100Mbit) +# +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +# CONFIG_HAPPYMEAL is not set +# CONFIG_SUNGEM is not set +# CONFIG_CASSINI is not set +# CONFIG_NET_VENDOR_3COM is not set + +# +# Tulip family network device support +# +# CONFIG_NET_TULIP is not set +# CONFIG_HP100 is not set +CONFIG_NET_PCI=y +# CONFIG_PCNET32 is not set +# CONFIG_AMD8111_ETH is not set +# CONFIG_ADAPTEC_STARFIRE is not set +# CONFIG_B44 is not set +# CONFIG_FORCEDETH is not set +# CONFIG_DGRS is not set +# CONFIG_EEPRO100 is not set +CONFIG_E100=y +# CONFIG_FEALNX is not set +# CONFIG_NATSEMI is not set +# CONFIG_NE2K_PCI is not set +# CONFIG_8139CP is not set +# CONFIG_8139TOO is not set +# CONFIG_SIS900 is not set +# CONFIG_EPIC100 is not set +# CONFIG_SUNDANCE is not set +# CONFIG_TLAN is not set +# CONFIG_VIA_RHINE is not set + +# +# Ethernet (1000 Mbit) +# +# CONFIG_ACENIC is not set +# CONFIG_DL2K is not set +# CONFIG_E1000 is not set +# CONFIG_NS83820 is not set +# CONFIG_HAMACHI is not set +# CONFIG_YELLOWFIN is not set +# CONFIG_R8169 is not set +# CONFIG_SIS190 is not set +# CONFIG_SKGE is not set +# CONFIG_SKY2 is not set +# CONFIG_SK98LIN is not set +# CONFIG_VIA_VELOCITY is not set +# CONFIG_TIGON3 is not set +# CONFIG_BNX2 is not set +CONFIG_GIANFAR=y +# CONFIG_GFAR_NAPI is not set + +# +# Ethernet (10000 Mbit) +# +# CONFIG_CHELSIO_T1 is not set +# CONFIG_IXGB is not set +# CONFIG_S2IO is not set + +# +# Token Ring devices +# +# CONFIG_TR is not set + +# +# Wireless LAN (non-hamradio) +# +# CONFIG_NET_RADIO is not set + +# +# Wan interfaces +# +# CONFIG_WAN is not set +# CONFIG_FDDI is not set +# CONFIG_HIPPI is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_SHAPER is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set + +# +# ISDN subsystem +# +# CONFIG_ISDN is not set + +# +# Telephony Support +# +# CONFIG_PHONE is not set + +# +# Input device support +# +CONFIG_INPUT=y + +# +# Userland interfaces +# +# CONFIG_INPUT_MOUSEDEV is not set +# CONFIG_INPUT_JOYDEV is not set +# CONFIG_INPUT_TSDEV is not set +# CONFIG_INPUT_EVDEV is not set +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_VT is not set +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +# CONFIG_SERIAL_8250_EXTENDED is not set + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_UNIX98_PTYS=y +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 + +# +# IPMI +# +# CONFIG_IPMI_HANDLER is not set + +# +# Watchdog Cards +# +CONFIG_WATCHDOG=y +# CONFIG_WATCHDOG_NOWAYOUT is not set + +# +# Watchdog Device Drivers +# +# CONFIG_SOFT_WATCHDOG is not set +CONFIG_83xx_WDT=y + +# +# PCI-based Watchdog Cards +# +# CONFIG_PCIPCWATCHDOG is not set +# CONFIG_WDTPCI is not set +# CONFIG_NVRAM is not set +CONFIG_GEN_RTC=y +# CONFIG_GEN_RTC_X is not set +# CONFIG_DTLK is not set +# CONFIG_R3964 is not set +# CONFIG_APPLICOM is not set + +# +# Ftape, the floppy tape device driver +# +# CONFIG_AGP is not set +# CONFIG_DRM is not set +# CONFIG_RAW_DRIVER is not set + +# +# TPM devices +# +# CONFIG_TCG_TPM is not set +# CONFIG_TELCLOCK is not set + +# +# I2C support +# +CONFIG_I2C=y +CONFIG_I2C_CHARDEV=y + +# +# I2C Algorithms +# +# CONFIG_I2C_ALGOBIT is not set +# CONFIG_I2C_ALGOPCF is not set +# CONFIG_I2C_ALGOPCA is not set + +# +# I2C Hardware Bus support +# +# CONFIG_I2C_ALI1535 is not set +# CONFIG_I2C_ALI1563 is not set +# CONFIG_I2C_ALI15X3 is not set +# CONFIG_I2C_AMD756 is not set +# CONFIG_I2C_AMD8111 is not set +# CONFIG_I2C_I801 is not set +# CONFIG_I2C_I810 is not set +# CONFIG_I2C_PIIX4 is not set +CONFIG_I2C_MPC=y +# CONFIG_I2C_NFORCE2 is not set +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_PROSAVAGE is not set +# CONFIG_I2C_SAVAGE4 is not set +# CONFIG_SCx200_ACB is not set +# CONFIG_I2C_SIS5595 is not set +# CONFIG_I2C_SIS630 is not set +# CONFIG_I2C_SIS96X is not set +# CONFIG_I2C_STUB is not set +# CONFIG_I2C_VIA is not set +# CONFIG_I2C_VIAPRO is not set +# CONFIG_I2C_VOODOO3 is not set +# CONFIG_I2C_PCA_ISA is not set + +# +# Miscellaneous I2C Chip support +# +# CONFIG_SENSORS_DS1337 is not set +# CONFIG_SENSORS_DS1374 is not set +# CONFIG_SENSORS_EEPROM is not set +# CONFIG_SENSORS_PCF8574 is not set +# CONFIG_SENSORS_PCA9539 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_SENSORS_RTC8564 is not set +# CONFIG_SENSORS_M41T00 is not set +# CONFIG_SENSORS_MAX6875 is not set +# CONFIG_RTC_X1205_I2C is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_I2C_DEBUG_CHIP is not set + +# +# Dallas's 1-wire bus +# +# CONFIG_W1 is not set + +# +# Hardware Monitoring support +# +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ADM1021 is not set +# CONFIG_SENSORS_ADM1025 is not set +# CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1031 is not set +# CONFIG_SENSORS_ADM9240 is not set +# CONFIG_SENSORS_ASB100 is not set +# CONFIG_SENSORS_ATXP1 is not set +# CONFIG_SENSORS_DS1621 is not set +# CONFIG_SENSORS_FSCHER is not set +# CONFIG_SENSORS_FSCPOS is not set +# CONFIG_SENSORS_GL518SM is not set +# CONFIG_SENSORS_GL520SM is not set +# CONFIG_SENSORS_IT87 is not set +# CONFIG_SENSORS_LM63 is not set +# CONFIG_SENSORS_LM75 is not set +# CONFIG_SENSORS_LM77 is not set +# CONFIG_SENSORS_LM78 is not set +# CONFIG_SENSORS_LM80 is not set +# CONFIG_SENSORS_LM83 is not set +# CONFIG_SENSORS_LM85 is not set +# CONFIG_SENSORS_LM87 is not set +# CONFIG_SENSORS_LM90 is not set +# CONFIG_SENSORS_LM92 is not set +# CONFIG_SENSORS_MAX1619 is not set +# CONFIG_SENSORS_PC87360 is not set +# CONFIG_SENSORS_SIS5595 is not set +# CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_VIA686A is not set +# CONFIG_SENSORS_VT8231 is not set +# CONFIG_SENSORS_W83781D is not set +# CONFIG_SENSORS_W83792D is not set +# CONFIG_SENSORS_W83L785TS is not set +# CONFIG_SENSORS_W83627HF is not set +# CONFIG_SENSORS_W83627EHF is not set +# CONFIG_HWMON_DEBUG_CHIP is not set + +# +# Misc devices +# + +# +# Multimedia Capabilities Port drivers +# + +# +# Multimedia devices +# +# CONFIG_VIDEO_DEV is not set + +# +# Digital Video Broadcasting Devices +# +# CONFIG_DVB is not set + +# +# Graphics support +# +# CONFIG_FB is not set + +# +# Sound +# +# CONFIG_SOUND is not set + +# +# USB support +# +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y +# CONFIG_USB is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# USB Gadget Support +# +# CONFIG_USB_GADGET is not set + +# +# MMC/SD Card support +# +# CONFIG_MMC is not set + +# +# InfiniBand support +# +# CONFIG_INFINIBAND is not set + +# +# SN Devices +# + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_XATTR=y +# CONFIG_EXT3_FS_POSIX_ACL is not set +# CONFIG_EXT3_FS_SECURITY is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +CONFIG_FS_MBCACHE=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y +# CONFIG_QUOTA is not set +CONFIG_DNOTIFY=y +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_HUGETLB_PAGE is not set +CONFIG_RAMFS=y +# CONFIG_RELAYFS_FS is not set +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +# CONFIG_CRAMFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set + +# +# Network File Systems +# +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +CONFIG_NFS_V4=y +# CONFIG_NFS_DIRECTIO is not set +# CONFIG_NFSD is not set +CONFIG_ROOT_NFS=y +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +CONFIG_SUNRPC_GSS=y +CONFIG_RPCSEC_GSS_KRB5=y +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set + +# +# Partition Types +# +CONFIG_PARTITION_ADVANCED=y +# CONFIG_ACORN_PARTITION is not set +# CONFIG_OSF_PARTITION is not set +# CONFIG_AMIGA_PARTITION is not set +# CONFIG_ATARI_PARTITION is not set +# CONFIG_MAC_PARTITION is not set +# CONFIG_MSDOS_PARTITION is not set +# CONFIG_LDM_PARTITION is not set +# CONFIG_SGI_PARTITION is not set +# CONFIG_ULTRIX_PARTITION is not set +# CONFIG_SUN_PARTITION is not set +# CONFIG_EFI_PARTITION is not set + +# +# Native Language Support +# +# CONFIG_NLS is not set + +# +# Library routines +# +# CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set +CONFIG_CRC32=y +# CONFIG_LIBCRC32C is not set + +# +# Instrumentation Support +# +# CONFIG_PROFILING is not set + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_DEBUG_KERNEL is not set +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_BOOTX_TEXT is not set +# CONFIG_SERIAL_TEXT_DEBUG is not set +# CONFIG_PPC_EARLY_DEBUG_LPAR is not set +# CONFIG_PPC_EARLY_DEBUG_G5 is not set +# CONFIG_PPC_EARLY_DEBUG_RTAS is not set +# CONFIG_PPC_EARLY_DEBUG_MAPLE is not set +# CONFIG_PPC_EARLY_DEBUG_ISERIES is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set + +# +# Cryptographic options +# +CONFIG_CRYPTO=y +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_MD4 is not set +CONFIG_CRYPTO_MD5=y +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_WP512 is not set +# CONFIG_CRYPTO_TGR192 is not set +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_TWOFISH is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Hardware crypto devices +# + +# +# SEC2.x Options +# +CONFIG_MPC8349E_SEC2x=y + +# +# SEC2.x Test Options +# +CONFIG_MPC8349E_SEC2xTEST=y diff --git a/arch/powerpc/configs/pmac32_defconfig b/arch/powerpc/configs/pmac32_defconfig index 398203bd98eb..2ace57d1e333 100644 --- a/arch/powerpc/configs/pmac32_defconfig +++ b/arch/powerpc/configs/pmac32_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc5 -# Tue Dec 13 17:24:05 2005 +# Linux kernel version: 2.6.15 +# Sat Jan 14 16:26:08 2006 # # CONFIG_PPC64 is not set CONFIG_PPC32=y @@ -15,11 +15,15 @@ CONFIG_EARLY_PRINTK=y CONFIG_GENERIC_NVRAM=y CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_PPC_OF=y +# CONFIG_PPC_UDBG_16550 is not set +# CONFIG_CRASH_DUMP is not set +# CONFIG_GENERIC_TBSYNC is not set # # Processor support # -CONFIG_6xx=y +CONFIG_CLASSIC32=y # CONFIG_PPC_52xx is not set # CONFIG_PPC_82xx is not set # CONFIG_PPC_83xx is not set @@ -28,6 +32,7 @@ CONFIG_6xx=y # CONFIG_8xx is not set # CONFIG_E200 is not set # CONFIG_E500 is not set +CONFIG_6xx=y CONFIG_PPC_FPU=y CONFIG_ALTIVEC=y CONFIG_PPC_STD_MMU=y @@ -53,17 +58,18 @@ CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set CONFIG_SYSCTL=y # CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -72,8 +78,10 @@ CONFIG_CC_ALIGN_FUNCTIONS=0 CONFIG_CC_ALIGN_LABELS=0 CONFIG_CC_ALIGN_LOOPS=0 CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_SLAB=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set # # Loadable module support @@ -113,13 +121,10 @@ CONFIG_PPC_MULTIPLATFORM=y # CONFIG_APUS is not set # CONFIG_PPC_CHRP is not set CONFIG_PPC_PMAC=y -CONFIG_PPC_OF=y CONFIG_MPIC=y # CONFIG_PPC_RTAS is not set # CONFIG_MMIO_NVRAM is not set -# CONFIG_CRASH_DUMP is not set CONFIG_PPC_MPC106=y -# CONFIG_GENERIC_TBSYNC is not set CONFIG_CPU_FREQ=y CONFIG_CPU_FREQ_TABLE=y # CONFIG_CPU_FREQ_DEBUG is not set @@ -195,6 +200,11 @@ CONFIG_CARDBUS=y # PC-card bridges # CONFIG_YENTA=m +CONFIG_YENTA_O2=y +CONFIG_YENTA_RICOH=y +CONFIG_YENTA_TI=y +CONFIG_YENTA_ENE_TUNE=y +CONFIG_YENTA_TOSHIBA=y # CONFIG_PD6729 is not set # CONFIG_I82092 is not set CONFIG_PCCARD_NONSTATIC=m @@ -464,7 +474,7 @@ CONFIG_IEEE80211_CRYPT_TKIP=m # # CONFIG_STANDALONE is not set CONFIG_PREVENT_FIRMWARE_BUILD=y -CONFIG_FW_LOADER=m +CONFIG_FW_LOADER=y # CONFIG_DEBUG_DRIVER is not set # @@ -491,7 +501,7 @@ CONFIG_PROC_EVENTS=y # Block devices # # CONFIG_BLK_DEV_FD is not set -CONFIG_MAC_FLOPPY=y +CONFIG_MAC_FLOPPY=m # CONFIG_BLK_CPQ_DA is not set # CONFIG_BLK_CPQ_CISS_DA is not set # CONFIG_BLK_DEV_DAC960 is not set @@ -603,7 +613,7 @@ CONFIG_SCSI_CONSTANTS=y # SCSI Transport Attributes # CONFIG_SCSI_SPI_ATTRS=y -# CONFIG_SCSI_FC_ATTRS is not set +CONFIG_SCSI_FC_ATTRS=y # CONFIG_SCSI_ISCSI_ATTRS is not set # CONFIG_SCSI_SAS_ATTRS is not set @@ -645,12 +655,7 @@ CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64 # CONFIG_SCSI_QLOGIC_FC is not set # CONFIG_SCSI_QLOGIC_1280 is not set CONFIG_SCSI_QLA2XXX=y -# CONFIG_SCSI_QLA21XX is not set -# CONFIG_SCSI_QLA22XX is not set -# CONFIG_SCSI_QLA2300 is not set -# CONFIG_SCSI_QLA2322 is not set -# CONFIG_SCSI_QLA6312 is not set -# CONFIG_SCSI_QLA24XX is not set +# CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE is not set # CONFIG_SCSI_LPFC is not set # CONFIG_SCSI_DC395x is not set # CONFIG_SCSI_DC390T is not set @@ -658,7 +663,7 @@ CONFIG_SCSI_QLA2XXX=y # CONFIG_SCSI_DEBUG is not set CONFIG_SCSI_MESH=y CONFIG_SCSI_MESH_SYNC_RATE=5 -CONFIG_SCSI_MESH_RESET_DELAY_MS=1000 +CONFIG_SCSI_MESH_RESET_DELAY_MS=4000 CONFIG_SCSI_MAC53C94=y # @@ -727,7 +732,6 @@ CONFIG_IEEE1394_SBP2=m CONFIG_IEEE1394_ETH1394=m CONFIG_IEEE1394_DV1394=m CONFIG_IEEE1394_RAWIO=m -# CONFIG_IEEE1394_CMP is not set # # I2O device support @@ -740,7 +744,7 @@ CONFIG_IEEE1394_RAWIO=m CONFIG_ADB=y CONFIG_ADB_CUDA=y CONFIG_ADB_PMU=y -CONFIG_PMAC_APM_EMU=y +CONFIG_PMAC_APM_EMU=m CONFIG_PMAC_MEDIABAY=y CONFIG_PMAC_BACKLIGHT=y CONFIG_INPUT_ADBHID=y @@ -819,6 +823,7 @@ CONFIG_PCNET32=y # CONFIG_R8169 is not set # CONFIG_SIS190 is not set # CONFIG_SKGE is not set +# CONFIG_SKY2 is not set # CONFIG_SK98LIN is not set # CONFIG_VIA_VELOCITY is not set # CONFIG_TIGON3 is not set @@ -978,14 +983,14 @@ CONFIG_HW_CONSOLE=y CONFIG_SERIAL_8250=m # CONFIG_SERIAL_8250_CS is not set CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 # CONFIG_SERIAL_8250_EXTENDED is not set # # Non-8250 serial port support # CONFIG_SERIAL_CORE=m -# CONFIG_SERIAL_PMACZILOG is not set -# CONFIG_SERIAL_JSM is not set +CONFIG_SERIAL_PMACZILOG=m CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -1058,7 +1063,7 @@ CONFIG_I2C_ALGOBIT=y # CONFIG_I2C_I801 is not set # CONFIG_I2C_I810 is not set # CONFIG_I2C_PIIX4 is not set -CONFIG_I2C_KEYWEST=m +CONFIG_I2C_POWERMAC=y # CONFIG_I2C_MPC is not set # CONFIG_I2C_NFORCE2 is not set # CONFIG_I2C_PARPORT_LIGHT is not set @@ -1160,7 +1165,6 @@ CONFIG_FB_ATY128=y CONFIG_FB_ATY=y CONFIG_FB_ATY_CT=y # CONFIG_FB_ATY_GENERIC_LCD is not set -# CONFIG_FB_ATY_XL_INIT is not set CONFIG_FB_ATY_GX=y # CONFIG_FB_SAVAGE is not set # CONFIG_FB_SIS is not set @@ -1169,7 +1173,6 @@ CONFIG_FB_ATY_GX=y CONFIG_FB_3DFX=y # CONFIG_FB_3DFX_ACCEL is not set # CONFIG_FB_VOODOO1 is not set -# CONFIG_FB_CYBLA is not set # CONFIG_FB_TRIDENT is not set # CONFIG_FB_VIRTUAL is not set @@ -1214,9 +1217,10 @@ CONFIG_SND_OSSEMUL=y CONFIG_SND_MIXER_OSS=m CONFIG_SND_PCM_OSS=m CONFIG_SND_SEQUENCER_OSS=y +# CONFIG_SND_DYNAMIC_MINORS is not set +CONFIG_SND_SUPPORT_OLD_API=y # CONFIG_SND_VERBOSE_PRINTK is not set # CONFIG_SND_DEBUG is not set -CONFIG_SND_GENERIC_DRIVER=y # # Generic devices @@ -1230,6 +1234,8 @@ CONFIG_SND_DUMMY=m # # PCI devices # +# CONFIG_SND_AD1889 is not set +# CONFIG_SND_ALS4000 is not set # CONFIG_SND_ALI5451 is not set # CONFIG_SND_ATIIXP is not set # CONFIG_SND_ATIIXP_MODEM is not set @@ -1238,45 +1244,44 @@ CONFIG_SND_DUMMY=m # CONFIG_SND_AU8830 is not set # CONFIG_SND_AZT3328 is not set # CONFIG_SND_BT87X is not set -# CONFIG_SND_CS46XX is not set +# CONFIG_SND_CA0106 is not set +# CONFIG_SND_CMIPCI is not set # CONFIG_SND_CS4281 is not set +# CONFIG_SND_CS46XX is not set # CONFIG_SND_EMU10K1 is not set # CONFIG_SND_EMU10K1X is not set -# CONFIG_SND_CA0106 is not set -# CONFIG_SND_KORG1212 is not set -# CONFIG_SND_MIXART is not set -# CONFIG_SND_NM256 is not set -# CONFIG_SND_RME32 is not set -# CONFIG_SND_RME96 is not set -# CONFIG_SND_RME9652 is not set -# CONFIG_SND_HDSP is not set -# CONFIG_SND_HDSPM is not set -# CONFIG_SND_TRIDENT is not set -# CONFIG_SND_YMFPCI is not set -# CONFIG_SND_AD1889 is not set -# CONFIG_SND_ALS4000 is not set -# CONFIG_SND_CMIPCI is not set # CONFIG_SND_ENS1370 is not set # CONFIG_SND_ENS1371 is not set # CONFIG_SND_ES1938 is not set # CONFIG_SND_ES1968 is not set -# CONFIG_SND_MAESTRO3 is not set # CONFIG_SND_FM801 is not set +# CONFIG_SND_HDA_INTEL is not set +# CONFIG_SND_HDSP is not set +# CONFIG_SND_HDSPM is not set # CONFIG_SND_ICE1712 is not set # CONFIG_SND_ICE1724 is not set # CONFIG_SND_INTEL8X0 is not set # CONFIG_SND_INTEL8X0M is not set +# CONFIG_SND_KORG1212 is not set +# CONFIG_SND_MAESTRO3 is not set +# CONFIG_SND_MIXART is not set +# CONFIG_SND_NM256 is not set +# CONFIG_SND_PCXHR is not set +# CONFIG_SND_RME32 is not set +# CONFIG_SND_RME96 is not set +# CONFIG_SND_RME9652 is not set # CONFIG_SND_SONICVIBES is not set +# CONFIG_SND_TRIDENT is not set # CONFIG_SND_VIA82XX is not set # CONFIG_SND_VIA82XX_MODEM is not set # CONFIG_SND_VX222 is not set -# CONFIG_SND_HDA_INTEL is not set +# CONFIG_SND_YMFPCI is not set # # ALSA PowerMac devices # CONFIG_SND_POWERMAC=m -# CONFIG_SND_POWERMAC_AUTO_DRC is not set +CONFIG_SND_POWERMAC_AUTO_DRC=y # # USB devices @@ -1336,6 +1341,7 @@ CONFIG_USB_PRINTER=m # may also be needed; see USB_STORAGE Help for more information # # CONFIG_USB_STORAGE is not set +# CONFIG_USB_LIBUSUAL is not set # # USB Input Devices @@ -1355,6 +1361,7 @@ CONFIG_USB_HIDINPUT=y # CONFIG_USB_YEALINK is not set # CONFIG_USB_XPAD is not set # CONFIG_USB_ATI_REMOTE is not set +# CONFIG_USB_ATI_REMOTE2 is not set # CONFIG_USB_KEYSPAN_REMOTE is not set CONFIG_USB_APPLETOUCH=y @@ -1501,6 +1508,7 @@ CONFIG_FS_MBCACHE=y # CONFIG_JFS_FS is not set # CONFIG_FS_POSIX_ACL is not set # CONFIG_XFS_FS is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set CONFIG_INOTIFY=y @@ -1540,6 +1548,7 @@ CONFIG_TMPFS=y # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y CONFIG_RELAYFS_FS=m +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -1670,12 +1679,13 @@ CONFIG_OPROFILE=y # Kernel hacking # # CONFIG_PRINTK_TIME is not set -CONFIG_DEBUG_KERNEL=y # CONFIG_MAGIC_SYSRQ is not set +CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_MUTEXES is not set # CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_KOBJECT is not set @@ -1688,6 +1698,11 @@ CONFIG_XMON=y CONFIG_XMON_DEFAULT=y # CONFIG_BDI_SWITCH is not set CONFIG_BOOTX_TEXT=y +# CONFIG_PPC_EARLY_DEBUG_LPAR is not set +# CONFIG_PPC_EARLY_DEBUG_G5 is not set +# CONFIG_PPC_EARLY_DEBUG_RTAS is not set +# CONFIG_PPC_EARLY_DEBUG_MAPLE is not set +# CONFIG_PPC_EARLY_DEBUG_ISERIES is not set # # Security options diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index a94699d8dc52..c287980b7e65 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -60,7 +60,8 @@ obj-$(CONFIG_MODULES) += $(module-y) pci64-$(CONFIG_PPC64) += pci_64.o pci_dn.o pci_iommu.o \ pci_direct_iommu.o iomap.o -obj-$(CONFIG_PCI) += $(pci64-y) +pci32-$(CONFIG_PPC32) := pci_32.o +obj-$(CONFIG_PCI) += $(pci64-y) $(pci32-y) kexec-$(CONFIG_PPC64) := machine_kexec_64.o crash.o kexec-$(CONFIG_PPC32) := machine_kexec_32.o obj-$(CONFIG_KEXEC) += machine_kexec.o $(kexec-y) diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 56399c5c931a..840aad43a98b 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -135,7 +135,7 @@ int main(void) DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc)); DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb)); DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp)); - DEFINE(PACALPPACA, offsetof(struct paca_struct, lppaca)); + DEFINE(PACALPPACAPTR, offsetof(struct paca_struct, lppaca_ptr)); DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id)); DEFINE(LPPACASRR0, offsetof(struct lppaca, saved_srr0)); diff --git a/arch/powerpc/kernel/cpu_setup_power4.S b/arch/powerpc/kernel/cpu_setup_power4.S index cca942fe6115..b61d86e7ceb6 100644 --- a/arch/powerpc/kernel/cpu_setup_power4.S +++ b/arch/powerpc/kernel/cpu_setup_power4.S @@ -130,7 +130,7 @@ _GLOBAL(__save_cpu_setup) mfcr r7 /* Get storage ptr */ - LOADADDR(r5,cpu_state_storage) + LOAD_REG_IMMEDIATE(r5,cpu_state_storage) /* We only deal with 970 for now */ mfspr r0,SPRN_PVR @@ -164,7 +164,7 @@ _GLOBAL(__restore_cpu_setup) /* Get storage ptr (FIXME when using anton reloc as we * are running with translation disabled here */ - LOADADDR(r5,cpu_state_storage) + LOAD_REG_IMMEDIATE(r5,cpu_state_storage) /* We only deal with 970 for now */ mfspr r0,SPRN_PVR diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 43c74a6b07b1..10696456a4c6 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -55,7 +55,8 @@ extern void __setup_cpu_ppc970(unsigned long offset, struct cpu_spec* spec); #define COMMON_USER_POWER4 (COMMON_USER_PPC64 | PPC_FEATURE_POWER4) #define COMMON_USER_POWER5 (COMMON_USER_PPC64 | PPC_FEATURE_POWER5) #define COMMON_USER_POWER5_PLUS (COMMON_USER_PPC64 | PPC_FEATURE_POWER5_PLUS) - +#define COMMON_USER_BOOKE (PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \ + PPC_FEATURE_BOOKE) /* We only set the spe features if the kernel was compiled with * spe support @@ -79,7 +80,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 8, .cpu_setup = __setup_cpu_power3, .oprofile_cpu_type = "ppc64/power3", - .oprofile_type = RS64, + .oprofile_type = PPC_OPROFILE_RS64, + .platform = "power3", }, { /* Power3+ */ .pvr_mask = 0xffff0000, @@ -92,7 +94,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 8, .cpu_setup = __setup_cpu_power3, .oprofile_cpu_type = "ppc64/power3", - .oprofile_type = RS64, + .oprofile_type = PPC_OPROFILE_RS64, + .platform = "power3", }, { /* Northstar */ .pvr_mask = 0xffff0000, @@ -105,7 +108,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 8, .cpu_setup = __setup_cpu_power3, .oprofile_cpu_type = "ppc64/rs64", - .oprofile_type = RS64, + .oprofile_type = PPC_OPROFILE_RS64, + .platform = "rs64", }, { /* Pulsar */ .pvr_mask = 0xffff0000, @@ -118,7 +122,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 8, .cpu_setup = __setup_cpu_power3, .oprofile_cpu_type = "ppc64/rs64", - .oprofile_type = RS64, + .oprofile_type = PPC_OPROFILE_RS64, + .platform = "rs64", }, { /* I-star */ .pvr_mask = 0xffff0000, @@ -131,7 +136,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 8, .cpu_setup = __setup_cpu_power3, .oprofile_cpu_type = "ppc64/rs64", - .oprofile_type = RS64, + .oprofile_type = PPC_OPROFILE_RS64, + .platform = "rs64", }, { /* S-star */ .pvr_mask = 0xffff0000, @@ -144,7 +150,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 8, .cpu_setup = __setup_cpu_power3, .oprofile_cpu_type = "ppc64/rs64", - .oprofile_type = RS64, + .oprofile_type = PPC_OPROFILE_RS64, + .platform = "rs64", }, { /* Power4 */ .pvr_mask = 0xffff0000, @@ -157,7 +164,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 8, .cpu_setup = __setup_cpu_power4, .oprofile_cpu_type = "ppc64/power4", - .oprofile_type = POWER4, + .oprofile_type = PPC_OPROFILE_POWER4, + .platform = "power4", }, { /* Power4+ */ .pvr_mask = 0xffff0000, @@ -170,7 +178,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 8, .cpu_setup = __setup_cpu_power4, .oprofile_cpu_type = "ppc64/power4", - .oprofile_type = POWER4, + .oprofile_type = PPC_OPROFILE_POWER4, + .platform = "power4", }, { /* PPC970 */ .pvr_mask = 0xffff0000, @@ -184,7 +193,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 8, .cpu_setup = __setup_cpu_ppc970, .oprofile_cpu_type = "ppc64/970", - .oprofile_type = POWER4, + .oprofile_type = PPC_OPROFILE_POWER4, + .platform = "ppc970", }, #endif /* CONFIG_PPC64 */ #if defined(CONFIG_PPC64) || defined(CONFIG_POWER4) @@ -204,7 +214,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 8, .cpu_setup = __setup_cpu_ppc970, .oprofile_cpu_type = "ppc64/970", - .oprofile_type = POWER4, + .oprofile_type = PPC_OPROFILE_POWER4, + .platform = "ppc970", }, #endif /* defined(CONFIG_PPC64) || defined(CONFIG_POWER4) */ #ifdef CONFIG_PPC64 @@ -219,7 +230,8 @@ struct cpu_spec cpu_specs[] = { .dcache_bsize = 128, .cpu_setup = __setup_cpu_ppc970, .oprofile_cpu_type = "ppc64/970", - .oprofile_type = POWER4, + .oprofile_type = PPC_OPROFILE_POWER4, + .platform = "ppc970", }, { /* Power5 GR */ .pvr_mask = 0xffff0000, @@ -232,7 +244,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 6, .cpu_setup = __setup_cpu_power4, .oprofile_cpu_type = "ppc64/power5", - .oprofile_type = POWER4, + .oprofile_type = PPC_OPROFILE_POWER4, + .platform = "power5", }, { /* Power5 GS */ .pvr_mask = 0xffff0000, @@ -245,7 +258,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 6, .cpu_setup = __setup_cpu_power4, .oprofile_cpu_type = "ppc64/power5+", - .oprofile_type = POWER4, + .oprofile_type = PPC_OPROFILE_POWER4, + .platform = "power5+", }, { /* Cell Broadband Engine */ .pvr_mask = 0xffff0000, @@ -257,6 +271,7 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 128, .dcache_bsize = 128, .cpu_setup = __setup_cpu_be, + .platform = "ppc-cell-be", }, { /* default match */ .pvr_mask = 0x00000000, @@ -268,6 +283,7 @@ struct cpu_spec cpu_specs[] = { .dcache_bsize = 128, .num_pmcs = 6, .cpu_setup = __setup_cpu_power4, + .platform = "power4", } #endif /* CONFIG_PPC64 */ #ifdef CONFIG_PPC32 @@ -281,6 +297,7 @@ struct cpu_spec cpu_specs[] = { PPC_FEATURE_UNIFIED_CACHE | PPC_FEATURE_NO_TB, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc601", }, { /* 603 */ .pvr_mask = 0xffff0000, @@ -290,7 +307,8 @@ struct cpu_spec cpu_specs[] = { .cpu_user_features = COMMON_USER, .icache_bsize = 32, .dcache_bsize = 32, - .cpu_setup = __setup_cpu_603 + .cpu_setup = __setup_cpu_603, + .platform = "ppc603", }, { /* 603e */ .pvr_mask = 0xffff0000, @@ -300,7 +318,8 @@ struct cpu_spec cpu_specs[] = { .cpu_user_features = COMMON_USER, .icache_bsize = 32, .dcache_bsize = 32, - .cpu_setup = __setup_cpu_603 + .cpu_setup = __setup_cpu_603, + .platform = "ppc603", }, { /* 603ev */ .pvr_mask = 0xffff0000, @@ -310,7 +329,8 @@ struct cpu_spec cpu_specs[] = { .cpu_user_features = COMMON_USER, .icache_bsize = 32, .dcache_bsize = 32, - .cpu_setup = __setup_cpu_603 + .cpu_setup = __setup_cpu_603, + .platform = "ppc603", }, { /* 604 */ .pvr_mask = 0xffff0000, @@ -321,7 +341,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 2, - .cpu_setup = __setup_cpu_604 + .cpu_setup = __setup_cpu_604, + .platform = "ppc604", }, { /* 604e */ .pvr_mask = 0xfffff000, @@ -332,7 +353,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, - .cpu_setup = __setup_cpu_604 + .cpu_setup = __setup_cpu_604, + .platform = "ppc604", }, { /* 604r */ .pvr_mask = 0xffff0000, @@ -343,7 +365,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, - .cpu_setup = __setup_cpu_604 + .cpu_setup = __setup_cpu_604, + .platform = "ppc604", }, { /* 604ev */ .pvr_mask = 0xffff0000, @@ -354,7 +377,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, - .cpu_setup = __setup_cpu_604 + .cpu_setup = __setup_cpu_604, + .platform = "ppc604", }, { /* 740/750 (0x4202, don't support TAU ?) */ .pvr_mask = 0xffffffff, @@ -365,7 +389,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, - .cpu_setup = __setup_cpu_750 + .cpu_setup = __setup_cpu_750, + .platform = "ppc750", }, { /* 750CX (80100 and 8010x?) */ .pvr_mask = 0xfffffff0, @@ -376,7 +401,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, - .cpu_setup = __setup_cpu_750cx + .cpu_setup = __setup_cpu_750cx, + .platform = "ppc750", }, { /* 750CX (82201 and 82202) */ .pvr_mask = 0xfffffff0, @@ -387,7 +413,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, - .cpu_setup = __setup_cpu_750cx + .cpu_setup = __setup_cpu_750cx, + .platform = "ppc750", }, { /* 750CXe (82214) */ .pvr_mask = 0xfffffff0, @@ -398,7 +425,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, - .cpu_setup = __setup_cpu_750cx + .cpu_setup = __setup_cpu_750cx, + .platform = "ppc750", }, { /* 750CXe "Gekko" (83214) */ .pvr_mask = 0xffffffff, @@ -409,7 +437,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, - .cpu_setup = __setup_cpu_750cx + .cpu_setup = __setup_cpu_750cx, + .platform = "ppc750", }, { /* 745/755 */ .pvr_mask = 0xfffff000, @@ -420,7 +449,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, - .cpu_setup = __setup_cpu_750 + .cpu_setup = __setup_cpu_750, + .platform = "ppc750", }, { /* 750FX rev 1.x */ .pvr_mask = 0xffffff00, @@ -431,7 +461,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, - .cpu_setup = __setup_cpu_750 + .cpu_setup = __setup_cpu_750, + .platform = "ppc750", }, { /* 750FX rev 2.0 must disable HID0[DPM] */ .pvr_mask = 0xffffffff, @@ -442,7 +473,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, - .cpu_setup = __setup_cpu_750 + .cpu_setup = __setup_cpu_750, + .platform = "ppc750", }, { /* 750FX (All revs except 2.0) */ .pvr_mask = 0xffff0000, @@ -453,7 +485,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, - .cpu_setup = __setup_cpu_750fx + .cpu_setup = __setup_cpu_750fx, + .platform = "ppc750", }, { /* 750GX */ .pvr_mask = 0xffff0000, @@ -464,7 +497,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, - .cpu_setup = __setup_cpu_750fx + .cpu_setup = __setup_cpu_750fx, + .platform = "ppc750", }, { /* 740/750 (L2CR bit need fixup for 740) */ .pvr_mask = 0xffff0000, @@ -475,7 +509,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, - .cpu_setup = __setup_cpu_750 + .cpu_setup = __setup_cpu_750, + .platform = "ppc750", }, { /* 7400 rev 1.1 ? (no TAU) */ .pvr_mask = 0xffffffff, @@ -486,7 +521,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, - .cpu_setup = __setup_cpu_7400 + .cpu_setup = __setup_cpu_7400, + .platform = "ppc7400", }, { /* 7400 */ .pvr_mask = 0xffff0000, @@ -497,7 +533,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, - .cpu_setup = __setup_cpu_7400 + .cpu_setup = __setup_cpu_7400, + .platform = "ppc7400", }, { /* 7410 */ .pvr_mask = 0xffff0000, @@ -508,7 +545,8 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, - .cpu_setup = __setup_cpu_7410 + .cpu_setup = __setup_cpu_7410, + .platform = "ppc7400", }, { /* 7450 2.0 - no doze/nap */ .pvr_mask = 0xffffffff, @@ -521,7 +559,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 6, .cpu_setup = __setup_cpu_745x, .oprofile_cpu_type = "ppc/7450", - .oprofile_type = G4, + .oprofile_type = PPC_OPROFILE_G4, + .platform = "ppc7450", }, { /* 7450 2.1 */ .pvr_mask = 0xffffffff, @@ -534,7 +573,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 6, .cpu_setup = __setup_cpu_745x, .oprofile_cpu_type = "ppc/7450", - .oprofile_type = G4, + .oprofile_type = PPC_OPROFILE_G4, + .platform = "ppc7450", }, { /* 7450 2.3 and newer */ .pvr_mask = 0xffff0000, @@ -547,7 +587,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 6, .cpu_setup = __setup_cpu_745x, .oprofile_cpu_type = "ppc/7450", - .oprofile_type = G4, + .oprofile_type = PPC_OPROFILE_G4, + .platform = "ppc7450", }, { /* 7455 rev 1.x */ .pvr_mask = 0xffffff00, @@ -560,7 +601,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 6, .cpu_setup = __setup_cpu_745x, .oprofile_cpu_type = "ppc/7450", - .oprofile_type = G4, + .oprofile_type = PPC_OPROFILE_G4, + .platform = "ppc7450", }, { /* 7455 rev 2.0 */ .pvr_mask = 0xffffffff, @@ -573,7 +615,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 6, .cpu_setup = __setup_cpu_745x, .oprofile_cpu_type = "ppc/7450", - .oprofile_type = G4, + .oprofile_type = PPC_OPROFILE_G4, + .platform = "ppc7450", }, { /* 7455 others */ .pvr_mask = 0xffff0000, @@ -586,7 +629,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 6, .cpu_setup = __setup_cpu_745x, .oprofile_cpu_type = "ppc/7450", - .oprofile_type = G4, + .oprofile_type = PPC_OPROFILE_G4, + .platform = "ppc7450", }, { /* 7447/7457 Rev 1.0 */ .pvr_mask = 0xffffffff, @@ -599,7 +643,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 6, .cpu_setup = __setup_cpu_745x, .oprofile_cpu_type = "ppc/7450", - .oprofile_type = G4, + .oprofile_type = PPC_OPROFILE_G4, + .platform = "ppc7450", }, { /* 7447/7457 Rev 1.1 */ .pvr_mask = 0xffffffff, @@ -612,7 +657,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 6, .cpu_setup = __setup_cpu_745x, .oprofile_cpu_type = "ppc/7450", - .oprofile_type = G4, + .oprofile_type = PPC_OPROFILE_G4, + .platform = "ppc7450", }, { /* 7447/7457 Rev 1.2 and later */ .pvr_mask = 0xffff0000, @@ -625,7 +671,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 6, .cpu_setup = __setup_cpu_745x, .oprofile_cpu_type = "ppc/7450", - .oprofile_type = G4, + .oprofile_type = PPC_OPROFILE_G4, + .platform = "ppc7450", }, { /* 7447A */ .pvr_mask = 0xffff0000, @@ -638,7 +685,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 6, .cpu_setup = __setup_cpu_745x, .oprofile_cpu_type = "ppc/7450", - .oprofile_type = G4, + .oprofile_type = PPC_OPROFILE_G4, + .platform = "ppc7450", }, { /* 7448 */ .pvr_mask = 0xffff0000, @@ -651,7 +699,8 @@ struct cpu_spec cpu_specs[] = { .num_pmcs = 6, .cpu_setup = __setup_cpu_745x, .oprofile_cpu_type = "ppc/7450", - .oprofile_type = G4, + .oprofile_type = PPC_OPROFILE_G4, + .platform = "ppc7450", }, { /* 82xx (8240, 8245, 8260 are all 603e cores) */ .pvr_mask = 0x7fff0000, @@ -661,7 +710,8 @@ struct cpu_spec cpu_specs[] = { .cpu_user_features = COMMON_USER, .icache_bsize = 32, .dcache_bsize = 32, - .cpu_setup = __setup_cpu_603 + .cpu_setup = __setup_cpu_603, + .platform = "ppc603", }, { /* All G2_LE (603e core, plus some) have the same pvr */ .pvr_mask = 0x7fff0000, @@ -671,7 +721,8 @@ struct cpu_spec cpu_specs[] = { .cpu_user_features = COMMON_USER, .icache_bsize = 32, .dcache_bsize = 32, - .cpu_setup = __setup_cpu_603 + .cpu_setup = __setup_cpu_603, + .platform = "ppc603", }, { /* e300 (a 603e core, plus some) on 83xx */ .pvr_mask = 0x7fff0000, @@ -681,7 +732,8 @@ struct cpu_spec cpu_specs[] = { .cpu_user_features = COMMON_USER, .icache_bsize = 32, .dcache_bsize = 32, - .cpu_setup = __setup_cpu_603 + .cpu_setup = __setup_cpu_603, + .platform = "ppc603", }, { /* default match, we assume split I/D cache & TB (non-601)... */ .pvr_mask = 0x00000000, @@ -691,6 +743,7 @@ struct cpu_spec cpu_specs[] = { .cpu_user_features = COMMON_USER, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc603", }, #endif /* CLASSIC_PPC */ #ifdef CONFIG_8xx @@ -704,6 +757,7 @@ struct cpu_spec cpu_specs[] = { .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, .icache_bsize = 16, .dcache_bsize = 16, + .platform = "ppc823", }, #endif /* CONFIG_8xx */ #ifdef CONFIG_40x @@ -715,6 +769,7 @@ struct cpu_spec cpu_specs[] = { .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, .icache_bsize = 16, .dcache_bsize = 16, + .platform = "ppc403", }, { /* 403GCX */ .pvr_mask = 0xffffff00, @@ -725,6 +780,7 @@ struct cpu_spec cpu_specs[] = { PPC_FEATURE_HAS_MMU | PPC_FEATURE_NO_TB, .icache_bsize = 16, .dcache_bsize = 16, + .platform = "ppc403", }, { /* 403G ?? */ .pvr_mask = 0xffff0000, @@ -734,6 +790,7 @@ struct cpu_spec cpu_specs[] = { .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, .icache_bsize = 16, .dcache_bsize = 16, + .platform = "ppc403", }, { /* 405GP */ .pvr_mask = 0xffff0000, @@ -744,6 +801,7 @@ struct cpu_spec cpu_specs[] = { PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc405", }, { /* STB 03xxx */ .pvr_mask = 0xffff0000, @@ -754,6 +812,7 @@ struct cpu_spec cpu_specs[] = { PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc405", }, { /* STB 04xxx */ .pvr_mask = 0xffff0000, @@ -764,6 +823,7 @@ struct cpu_spec cpu_specs[] = { PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc405", }, { /* NP405L */ .pvr_mask = 0xffff0000, @@ -774,6 +834,7 @@ struct cpu_spec cpu_specs[] = { PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc405", }, { /* NP4GS3 */ .pvr_mask = 0xffff0000, @@ -784,6 +845,7 @@ struct cpu_spec cpu_specs[] = { PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc405", }, { /* NP405H */ .pvr_mask = 0xffff0000, @@ -794,6 +856,7 @@ struct cpu_spec cpu_specs[] = { PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc405", }, { /* 405GPr */ .pvr_mask = 0xffff0000, @@ -804,6 +867,7 @@ struct cpu_spec cpu_specs[] = { PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc405", }, { /* STBx25xx */ .pvr_mask = 0xffff0000, @@ -814,6 +878,7 @@ struct cpu_spec cpu_specs[] = { PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc405", }, { /* 405LP */ .pvr_mask = 0xffff0000, @@ -823,6 +888,7 @@ struct cpu_spec cpu_specs[] = { .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc405", }, { /* Xilinx Virtex-II Pro */ .pvr_mask = 0xffff0000, @@ -833,6 +899,7 @@ struct cpu_spec cpu_specs[] = { PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc405", }, { /* 405EP */ .pvr_mask = 0xffff0000, @@ -843,6 +910,7 @@ struct cpu_spec cpu_specs[] = { PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc405", }, #endif /* CONFIG_40x */ @@ -852,81 +920,90 @@ struct cpu_spec cpu_specs[] = { .pvr_value = 0x40000850, .cpu_name = "440EP Rev. A", .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER, /* 440EP has an FPU */ + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc440", }, { .pvr_mask = 0xf0000fff, .pvr_value = 0x400008d3, .cpu_name = "440EP Rev. B", .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER, /* 440EP has an FPU */ + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc440", }, { /* 440GP Rev. B */ .pvr_mask = 0xf0000fff, .pvr_value = 0x40000440, .cpu_name = "440GP Rev. B", .cpu_features = CPU_FTRS_44X, - .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, + .cpu_user_features = COMMON_USER_BOOKE, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc440gp", }, { /* 440GP Rev. C */ .pvr_mask = 0xf0000fff, .pvr_value = 0x40000481, .cpu_name = "440GP Rev. C", .cpu_features = CPU_FTRS_44X, - .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, + .cpu_user_features = COMMON_USER_BOOKE, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc440gp", }, { /* 440GX Rev. A */ .pvr_mask = 0xf0000fff, .pvr_value = 0x50000850, .cpu_name = "440GX Rev. A", .cpu_features = CPU_FTRS_44X, - .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, + .cpu_user_features = COMMON_USER_BOOKE, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc440", }, { /* 440GX Rev. B */ .pvr_mask = 0xf0000fff, .pvr_value = 0x50000851, .cpu_name = "440GX Rev. B", .cpu_features = CPU_FTRS_44X, - .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, + .cpu_user_features = COMMON_USER_BOOKE, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc440", }, { /* 440GX Rev. C */ .pvr_mask = 0xf0000fff, .pvr_value = 0x50000892, .cpu_name = "440GX Rev. C", .cpu_features = CPU_FTRS_44X, - .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, + .cpu_user_features = COMMON_USER_BOOKE, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc440", }, { /* 440GX Rev. F */ .pvr_mask = 0xf0000fff, .pvr_value = 0x50000894, .cpu_name = "440GX Rev. F", .cpu_features = CPU_FTRS_44X, - .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, + .cpu_user_features = COMMON_USER_BOOKE, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc440", }, { /* 440SP Rev. A */ .pvr_mask = 0xff000fff, .pvr_value = 0x53000891, .cpu_name = "440SP Rev. A", .cpu_features = CPU_FTRS_44X, - .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, + .cpu_user_features = COMMON_USER_BOOKE, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc440", }, { /* 440SPe Rev. A */ .pvr_mask = 0xff000fff, @@ -934,9 +1011,10 @@ struct cpu_spec cpu_specs[] = { .cpu_name = "440SPe Rev. A", .cpu_features = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB, - .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, + .cpu_user_features = COMMON_USER_BOOKE, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "ppc440", }, #endif /* CONFIG_44x */ #ifdef CONFIG_FSL_BOOKE @@ -946,10 +1024,11 @@ struct cpu_spec cpu_specs[] = { .cpu_name = "e200z5", /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */ .cpu_features = CPU_FTRS_E200, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_EFP_SINGLE | + .cpu_user_features = COMMON_USER_BOOKE | + PPC_FEATURE_HAS_EFP_SINGLE | PPC_FEATURE_UNIFIED_CACHE, .dcache_bsize = 32, + .platform = "ppc5554", }, { /* e200z6 */ .pvr_mask = 0xfff00000, @@ -957,11 +1036,12 @@ struct cpu_spec cpu_specs[] = { .cpu_name = "e200z6", /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */ .cpu_features = CPU_FTRS_E200, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_SPE_COMP | + .cpu_user_features = COMMON_USER_BOOKE | + PPC_FEATURE_SPE_COMP | PPC_FEATURE_HAS_EFP_SINGLE | PPC_FEATURE_UNIFIED_CACHE, .dcache_bsize = 32, + .platform = "ppc5554", }, { /* e500 */ .pvr_mask = 0xffff0000, @@ -969,14 +1049,15 @@ struct cpu_spec cpu_specs[] = { .cpu_name = "e500", /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */ .cpu_features = CPU_FTRS_E500, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_SPE_COMP | + .cpu_user_features = COMMON_USER_BOOKE | + PPC_FEATURE_SPE_COMP | PPC_FEATURE_HAS_EFP_SINGLE, .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, .oprofile_cpu_type = "ppc/e500", - .oprofile_type = BOOKE, + .oprofile_type = PPC_OPROFILE_BOOKE, + .platform = "ppc8540", }, { /* e500v2 */ .pvr_mask = 0xffff0000, @@ -984,14 +1065,16 @@ struct cpu_spec cpu_specs[] = { .cpu_name = "e500v2", /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */ .cpu_features = CPU_FTRS_E500_2, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_SPE_COMP | - PPC_FEATURE_HAS_EFP_SINGLE | PPC_FEATURE_HAS_EFP_DOUBLE, + .cpu_user_features = COMMON_USER_BOOKE | + PPC_FEATURE_SPE_COMP | + PPC_FEATURE_HAS_EFP_SINGLE | + PPC_FEATURE_HAS_EFP_DOUBLE, .icache_bsize = 32, .dcache_bsize = 32, .num_pmcs = 4, .oprofile_cpu_type = "ppc/e500", - .oprofile_type = BOOKE, + .oprofile_type = PPC_OPROFILE_BOOKE, + .platform = "ppc8548", }, #endif #if !CLASSIC_PPC @@ -1003,6 +1086,7 @@ struct cpu_spec cpu_specs[] = { .cpu_user_features = PPC_FEATURE_32, .icache_bsize = 32, .dcache_bsize = 32, + .platform = "powerpc", } #endif /* !CLASSIC_PPC */ #endif /* CONFIG_PPC32 */ diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c index 5f248e3fdf82..8c21d378f5d2 100644 --- a/arch/powerpc/kernel/crash.c +++ b/arch/powerpc/kernel/crash.c @@ -84,7 +84,10 @@ static void crash_save_this_cpu(struct pt_regs *regs, int cpu) * squirrelled away. ELF notes happen to provide * all of that that no need to invent something new. */ - buf = &crash_notes[cpu][0]; + buf = (u32*)per_cpu_ptr(crash_notes, cpu); + if (!buf) + return; + memset(&prstatus, 0, sizeof(prstatus)); prstatus.pr_pid = current->pid; elf_core_copy_regs(&prstatus.pr_reg, regs); @@ -93,76 +96,6 @@ static void crash_save_this_cpu(struct pt_regs *regs, int cpu) final_note(buf); } -/* FIXME Merge this with xmon_save_regs ?? */ -static inline void crash_get_current_regs(struct pt_regs *regs) -{ - unsigned long tmp1, tmp2; - - __asm__ __volatile__ ( - "std 0,0(%2)\n" - "std 1,8(%2)\n" - "std 2,16(%2)\n" - "std 3,24(%2)\n" - "std 4,32(%2)\n" - "std 5,40(%2)\n" - "std 6,48(%2)\n" - "std 7,56(%2)\n" - "std 8,64(%2)\n" - "std 9,72(%2)\n" - "std 10,80(%2)\n" - "std 11,88(%2)\n" - "std 12,96(%2)\n" - "std 13,104(%2)\n" - "std 14,112(%2)\n" - "std 15,120(%2)\n" - "std 16,128(%2)\n" - "std 17,136(%2)\n" - "std 18,144(%2)\n" - "std 19,152(%2)\n" - "std 20,160(%2)\n" - "std 21,168(%2)\n" - "std 22,176(%2)\n" - "std 23,184(%2)\n" - "std 24,192(%2)\n" - "std 25,200(%2)\n" - "std 26,208(%2)\n" - "std 27,216(%2)\n" - "std 28,224(%2)\n" - "std 29,232(%2)\n" - "std 30,240(%2)\n" - "std 31,248(%2)\n" - "mfmsr %0\n" - "std %0, 264(%2)\n" - "mfctr %0\n" - "std %0, 280(%2)\n" - "mflr %0\n" - "std %0, 288(%2)\n" - "bl 1f\n" - "1: mflr %1\n" - "std %1, 256(%2)\n" - "mtlr %0\n" - "mfxer %0\n" - "std %0, 296(%2)\n" - : "=&r" (tmp1), "=&r" (tmp2) - : "b" (regs)); -} - -/* We may have saved_regs from where the error came from - * or it is NULL if via a direct panic(). - */ -static void crash_save_self(struct pt_regs *saved_regs) -{ - struct pt_regs regs; - int cpu; - - cpu = smp_processor_id(); - if (saved_regs) - memcpy(®s, saved_regs, sizeof(regs)); - else - crash_get_current_regs(®s); - crash_save_this_cpu(®s, cpu); -} - #ifdef CONFIG_SMP static atomic_t waiting_for_crash_ipi; @@ -260,5 +193,5 @@ void default_machine_crash_shutdown(struct pt_regs *regs) */ crashing_cpu = smp_processor_id(); crash_kexec_prepare_cpus(); - crash_save_self(regs); + crash_save_this_cpu(regs, crashing_cpu); } diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 036b71d2adfc..d8da2a35c0a4 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -988,7 +988,7 @@ _GLOBAL(enter_rtas) stwu r1,-INT_FRAME_SIZE(r1) mflr r0 stw r0,INT_FRAME_SIZE+4(r1) - LOADADDR(r4, rtas) + LOAD_REG_ADDR(r4, rtas) lis r6,1f@ha /* physical return address for rtas */ addi r6,r6,1f@l tophys(r6,r6) diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index aacebb33e98a..542036318866 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -511,7 +511,8 @@ restore: cmpdi 0,r5,0 beq 4f /* Check for pending interrupts (iSeries) */ - ld r3,PACALPPACA+LPPACAANYINT(r13) + ld r3,PACALPPACAPTR(r13) + ld r3,LPPACAANYINT(r3) cmpdi r3,0 beq+ 4f /* skip do_IRQ if no interrupts */ @@ -689,9 +690,8 @@ _GLOBAL(enter_rtas) std r6,PACASAVEDMSR(r13) /* Setup our real return addr */ - SET_REG_TO_LABEL(r4,.rtas_return_loc) - SET_REG_TO_CONST(r9,PAGE_OFFSET) - sub r4,r4,r9 + LOAD_REG_ADDR(r4,.rtas_return_loc) + clrldi r4,r4,2 /* convert to realmode address */ mtlr r4 li r0,0 @@ -706,7 +706,7 @@ _GLOBAL(enter_rtas) sync /* disable interrupts so SRR0/1 */ mtmsrd r0 /* don't get trashed */ - SET_REG_TO_LABEL(r4,rtas) + LOAD_REG_ADDR(r4, rtas) ld r5,RTASENTRY(r4) /* get the rtas->entry value */ ld r4,RTASBASE(r4) /* get the rtas->base value */ @@ -718,8 +718,7 @@ _GLOBAL(enter_rtas) _STATIC(rtas_return_loc) /* relocation is off at this point */ mfspr r4,SPRN_SPRG3 /* Get PACA */ - SET_REG_TO_CONST(r5, PAGE_OFFSET) - sub r4,r4,r5 /* RELOC the PACA base pointer */ + clrldi r4,r4,2 /* convert to realmode address */ mfmsr r6 li r0,MSR_RI @@ -728,7 +727,7 @@ _STATIC(rtas_return_loc) mtmsrd r6 ld r1,PACAR1(r4) /* Restore our SP */ - LOADADDR(r3,.rtas_restore_regs) + LOAD_REG_IMMEDIATE(r3,.rtas_restore_regs) ld r4,PACASAVEDMSR(r4) /* Restore our MSR */ mtspr SPRN_SRR0,r3 diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S index b780b42c95fc..e4362dfa37fb 100644 --- a/arch/powerpc/kernel/fpu.S +++ b/arch/powerpc/kernel/fpu.S @@ -39,9 +39,9 @@ _GLOBAL(load_up_fpu) * to another. Instead we call giveup_fpu in switch_to. */ #ifndef CONFIG_SMP - LOADBASE(r3, last_task_used_math) + LOAD_REG_ADDRBASE(r3, last_task_used_math) toreal(r3) - PPC_LL r4,OFF(last_task_used_math)(r3) + PPC_LL r4,ADDROFF(last_task_used_math)(r3) PPC_LCMPI 0,r4,0 beq 1f toreal(r4) @@ -77,7 +77,7 @@ _GLOBAL(load_up_fpu) #ifndef CONFIG_SMP subi r4,r5,THREAD fromreal(r4) - PPC_STL r4,OFF(last_task_used_math)(r3) + PPC_STL r4,ADDROFF(last_task_used_math)(r3) #endif /* CONFIG_SMP */ /* restore registers and return */ /* we haven't used ctr or xer or lr */ @@ -113,8 +113,8 @@ _GLOBAL(giveup_fpu) 1: #ifndef CONFIG_SMP li r5,0 - LOADBASE(r4,last_task_used_math) - PPC_STL r5,OFF(last_task_used_math)(r4) + LOAD_REG_ADDRBASE(r4,last_task_used_math) + PPC_STL r5,ADDROFF(last_task_used_math)(r4) #endif /* CONFIG_SMP */ blr diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 1c066d125375..308268466342 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -154,12 +154,12 @@ _GLOBAL(__secondary_hold) bne 100b #ifdef CONFIG_HMT - LOADADDR(r4, .hmt_init) + SET_REG_IMMEDIATE(r4, .hmt_init) mtctr r4 bctr #else #ifdef CONFIG_SMP - LOADADDR(r4, .pSeries_secondary_smp_init) + LOAD_REG_IMMEDIATE(r4, .pSeries_secondary_smp_init) mtctr r4 mr r3,r24 bctr @@ -205,9 +205,10 @@ exception_marker: #define EX_LR 72 /* - * We're short on space and time in the exception prolog, so we can't use - * the normal LOADADDR macro. Normally we just need the low halfword of the - * address, but for Kdump we need the whole low word. + * We're short on space and time in the exception prolog, so we can't + * use the normal SET_REG_IMMEDIATE macro. Normally we just need the + * low halfword of the address, but for Kdump we need the whole low + * word. */ #ifdef CONFIG_CRASH_DUMP #define LOAD_HANDLER(reg, label) \ @@ -254,8 +255,9 @@ exception_marker: #define EXCEPTION_PROLOG_ISERIES_2 \ mfmsr r10; \ - ld r11,PACALPPACA+LPPACASRR0(r13); \ - ld r12,PACALPPACA+LPPACASRR1(r13); \ + ld r12,PACALPPACAPTR(r13); \ + ld r11,LPPACASRR0(r12); \ + ld r12,LPPACASRR1(r12); \ ori r10,r10,MSR_RI; \ mtmsrd r10,1 @@ -634,7 +636,8 @@ data_access_slb_iSeries: std r12,PACA_EXSLB+EX_R12(r13) mfspr r10,SPRN_SPRG1 std r10,PACA_EXSLB+EX_R13(r13) - ld r12,PACALPPACA+LPPACASRR1(r13); + ld r12,PACALPPACAPTR(r13) + ld r12,LPPACASRR1(r12) b .slb_miss_realmode STD_EXCEPTION_ISERIES(0x400, instruction_access, PACA_EXGEN) @@ -644,7 +647,8 @@ instruction_access_slb_iSeries: mtspr SPRN_SPRG1,r13 /* save r13 */ mfspr r13,SPRN_SPRG3 /* get paca address into r13 */ std r3,PACA_EXSLB+EX_R3(r13) - ld r3,PACALPPACA+LPPACASRR0(r13) /* get SRR0 value */ + ld r3,PACALPPACAPTR(r13) + ld r3,LPPACASRR0(r3) /* get SRR0 value */ std r9,PACA_EXSLB+EX_R9(r13) mfcr r9 #ifdef __DISABLED__ @@ -656,7 +660,8 @@ instruction_access_slb_iSeries: std r12,PACA_EXSLB+EX_R12(r13) mfspr r10,SPRN_SPRG1 std r10,PACA_EXSLB+EX_R13(r13) - ld r12,PACALPPACA+LPPACASRR1(r13); + ld r12,PACALPPACAPTR(r13) + ld r12,LPPACASRR1(r12) b .slb_miss_realmode #ifdef __DISABLED__ @@ -713,7 +718,7 @@ system_reset_iSeries: lbz r23,PACAPROCSTART(r13) /* Test if this processor * should start */ sync - LOADADDR(r3,current_set) + LOAD_REG_IMMEDIATE(r3,current_set) sldi r28,r24,3 /* get current_set[cpu#] */ ldx r3,r3,r28 addi r1,r3,THREAD_SIZE @@ -745,17 +750,19 @@ iSeries_secondary_smp_loop: .globl decrementer_iSeries_masked decrementer_iSeries_masked: li r11,1 - stb r11,PACALPPACA+LPPACADECRINT(r13) - LOADBASE(r12,tb_ticks_per_jiffy) - lwz r12,OFF(tb_ticks_per_jiffy)(r12) + ld r12,PACALPPACAPTR(r13) + stb r11,LPPACADECRINT(r12) + LOAD_REG_ADDRBASE(r12,tb_ticks_per_jiffy) + lwz r12,ADDROFF(tb_ticks_per_jiffy)(r12) mtspr SPRN_DEC,r12 /* fall through */ .globl hardware_interrupt_iSeries_masked hardware_interrupt_iSeries_masked: mtcrf 0x80,r9 /* Restore regs */ - ld r11,PACALPPACA+LPPACASRR0(r13) - ld r12,PACALPPACA+LPPACASRR1(r13) + ld r12,PACALPPACAPTR(r13) + ld r11,LPPACASRR0(r12) + ld r12,LPPACASRR1(r12) mtspr SPRN_SRR0,r11 mtspr SPRN_SRR1,r12 ld r9,PACA_EXGEN+EX_R9(r13) @@ -994,7 +1001,8 @@ _GLOBAL(slb_miss_realmode) ld r3,PACA_EXSLB+EX_R3(r13) lwz r9,PACA_EXSLB+EX_CCR(r13) /* get saved CR */ #ifdef CONFIG_PPC_ISERIES - ld r11,PACALPPACA+LPPACASRR0(r13) /* get SRR0 value */ + ld r11,PACALPPACAPTR(r13) + ld r11,LPPACASRR0(r11) /* get SRR0 value */ #endif /* CONFIG_PPC_ISERIES */ mtlr r10 @@ -1412,7 +1420,7 @@ _GLOBAL(pSeries_secondary_smp_init) * physical cpu id in r24, we need to search the pacas to find * which logical id maps to our physical one. */ - LOADADDR(r13, paca) /* Get base vaddr of paca array */ + LOAD_REG_IMMEDIATE(r13, paca) /* Get base vaddr of paca array */ li r5,0 /* logical cpu id */ 1: lhz r6,PACAHWCPUID(r13) /* Load HW procid from paca */ cmpw r6,r24 /* Compare to our id */ @@ -1446,8 +1454,8 @@ _GLOBAL(pSeries_secondary_smp_init) #ifdef CONFIG_PPC_ISERIES _STATIC(__start_initialization_iSeries) /* Clear out the BSS */ - LOADADDR(r11,__bss_stop) - LOADADDR(r8,__bss_start) + LOAD_REG_IMMEDIATE(r11,__bss_stop) + LOAD_REG_IMMEDIATE(r8,__bss_start) sub r11,r11,r8 /* bss size */ addi r11,r11,7 /* round up to an even double word */ rldicl. r11,r11,61,3 /* shift right by 3 */ @@ -1458,17 +1466,17 @@ _STATIC(__start_initialization_iSeries) 3: stdu r0,8(r8) bdnz 3b 4: - LOADADDR(r1,init_thread_union) + LOAD_REG_IMMEDIATE(r1,init_thread_union) addi r1,r1,THREAD_SIZE li r0,0 stdu r0,-STACK_FRAME_OVERHEAD(r1) - LOADADDR(r3,cpu_specs) - LOADADDR(r4,cur_cpu_spec) + LOAD_REG_IMMEDIATE(r3,cpu_specs) + LOAD_REG_IMMEDIATE(r4,cur_cpu_spec) li r5,0 bl .identify_cpu - LOADADDR(r2,__toc_start) + LOAD_REG_IMMEDIATE(r2,__toc_start) addi r2,r2,0x4000 addi r2,r2,0x4000 @@ -1528,7 +1536,7 @@ _GLOBAL(__start_initialization_multiplatform) li r24,0 /* Switch off MMU if not already */ - LOADADDR(r4, .__after_prom_start - KERNELBASE) + LOAD_REG_IMMEDIATE(r4, .__after_prom_start - KERNELBASE) add r4,r4,r30 bl .__mmu_off b .__after_prom_start @@ -1548,7 +1556,7 @@ _STATIC(__boot_from_prom) /* put a relocation offset into r3 */ bl .reloc_offset - LOADADDR(r2,__toc_start) + LOAD_REG_IMMEDIATE(r2,__toc_start) addi r2,r2,0x4000 addi r2,r2,0x4000 @@ -1588,9 +1596,9 @@ _STATIC(__after_prom_start) */ bl .reloc_offset mr r26,r3 - SET_REG_TO_CONST(r27,KERNELBASE) + LOAD_REG_IMMEDIATE(r27, KERNELBASE) - LOADADDR(r3, PHYSICAL_START) /* target addr */ + LOAD_REG_IMMEDIATE(r3, PHYSICAL_START) /* target addr */ // XXX FIXME: Use phys returned by OF (r30) add r4,r27,r26 /* source addr */ @@ -1598,7 +1606,7 @@ _STATIC(__after_prom_start) /* i.e. where we are running */ /* the source addr */ - LOADADDR(r5,copy_to_here) /* # bytes of memory to copy */ + LOAD_REG_IMMEDIATE(r5,copy_to_here) /* # bytes of memory to copy */ sub r5,r5,r27 li r6,0x100 /* Start offset, the first 0x100 */ @@ -1608,11 +1616,11 @@ _STATIC(__after_prom_start) /* this includes the code being */ /* executed here. */ - LOADADDR(r0, 4f) /* Jump to the copy of this code */ + LOAD_REG_IMMEDIATE(r0, 4f) /* Jump to the copy of this code */ mtctr r0 /* that we just made/relocated */ bctr -4: LOADADDR(r5,klimit) +4: LOAD_REG_IMMEDIATE(r5,klimit) add r5,r5,r26 ld r5,0(r5) /* get the value of klimit */ sub r5,r5,r27 @@ -1694,7 +1702,7 @@ _GLOBAL(pmac_secondary_start) mtmsrd r3 /* RI on */ /* Set up a paca value for this processor. */ - LOADADDR(r4, paca) /* Get base vaddr of paca array */ + LOAD_REG_IMMEDIATE(r4, paca) /* Get base vaddr of paca array */ mulli r13,r24,PACA_SIZE /* Calculate vaddr of right paca */ add r13,r13,r4 /* for this processor. */ mtspr SPRN_SPRG3,r13 /* Save vaddr of paca in SPRG3 */ @@ -1731,7 +1739,7 @@ _GLOBAL(__secondary_start) bl .early_setup_secondary /* Initialize the kernel stack. Just a repeat for iSeries. */ - LOADADDR(r3,current_set) + LOAD_REG_ADDR(r3, current_set) sldi r28,r24,3 /* get current_set[cpu#] */ ldx r1,r3,r28 addi r1,r1,THREAD_SIZE-STACK_FRAME_OVERHEAD @@ -1742,8 +1750,8 @@ _GLOBAL(__secondary_start) mtlr r7 /* enable MMU and jump to start_secondary */ - LOADADDR(r3,.start_secondary_prolog) - SET_REG_TO_CONST(r4, MSR_KERNEL) + LOAD_REG_ADDR(r3, .start_secondary_prolog) + LOAD_REG_IMMEDIATE(r4, MSR_KERNEL) #ifdef DO_SOFT_DISABLE ori r4,r4,MSR_EE #endif @@ -1792,8 +1800,8 @@ _STATIC(start_here_multiplatform) * be detached from the kernel completely. Besides, we need * to clear it now for kexec-style entry. */ - LOADADDR(r11,__bss_stop) - LOADADDR(r8,__bss_start) + LOAD_REG_IMMEDIATE(r11,__bss_stop) + LOAD_REG_IMMEDIATE(r8,__bss_start) sub r11,r11,r8 /* bss size */ addi r11,r11,7 /* round up to an even double word */ rldicl. r11,r11,61,3 /* shift right by 3 */ @@ -1831,7 +1839,7 @@ _STATIC(start_here_multiplatform) /* up the htab. This is done because we have relocated the */ /* kernel but are still running in real mode. */ - LOADADDR(r3,init_thread_union) + LOAD_REG_IMMEDIATE(r3,init_thread_union) add r3,r3,r26 /* set up a stack pointer (physical address) */ @@ -1840,14 +1848,14 @@ _STATIC(start_here_multiplatform) stdu r0,-STACK_FRAME_OVERHEAD(r1) /* set up the TOC (physical address) */ - LOADADDR(r2,__toc_start) + LOAD_REG_IMMEDIATE(r2,__toc_start) addi r2,r2,0x4000 addi r2,r2,0x4000 add r2,r2,r26 - LOADADDR(r3,cpu_specs) + LOAD_REG_IMMEDIATE(r3, cpu_specs) add r3,r3,r26 - LOADADDR(r4,cur_cpu_spec) + LOAD_REG_IMMEDIATE(r4,cur_cpu_spec) add r4,r4,r26 mr r5,r26 bl .identify_cpu @@ -1863,11 +1871,11 @@ _STATIC(start_here_multiplatform) * nowhere it can be initialized differently before we reach this * code */ - LOADADDR(r27, boot_cpuid) + LOAD_REG_IMMEDIATE(r27, boot_cpuid) add r27,r27,r26 lwz r27,0(r27) - LOADADDR(r24, paca) /* Get base vaddr of paca array */ + LOAD_REG_IMMEDIATE(r24, paca) /* Get base vaddr of paca array */ mulli r13,r27,PACA_SIZE /* Calculate vaddr of right paca */ add r13,r13,r24 /* for this processor. */ add r13,r13,r26 /* convert to physical addr */ @@ -1880,8 +1888,8 @@ _STATIC(start_here_multiplatform) mr r3,r31 bl .early_setup - LOADADDR(r3,.start_here_common) - SET_REG_TO_CONST(r4, MSR_KERNEL) + LOAD_REG_IMMEDIATE(r3, .start_here_common) + LOAD_REG_IMMEDIATE(r4, MSR_KERNEL) mtspr SPRN_SRR0,r3 mtspr SPRN_SRR1,r4 rfid @@ -1895,7 +1903,7 @@ _STATIC(start_here_common) /* The following code sets up the SP and TOC now that we are */ /* running with translation enabled. */ - LOADADDR(r3,init_thread_union) + LOAD_REG_IMMEDIATE(r3,init_thread_union) /* set up the stack */ addi r1,r3,THREAD_SIZE @@ -1908,16 +1916,16 @@ _STATIC(start_here_common) li r3,0 bl .do_cpu_ftr_fixups - LOADADDR(r26, boot_cpuid) + LOAD_REG_IMMEDIATE(r26, boot_cpuid) lwz r26,0(r26) - LOADADDR(r24, paca) /* Get base vaddr of paca array */ + LOAD_REG_IMMEDIATE(r24, paca) /* Get base vaddr of paca array */ mulli r13,r26,PACA_SIZE /* Calculate vaddr of right paca */ add r13,r13,r24 /* for this processor. */ mtspr SPRN_SPRG3,r13 /* ptr to current */ - LOADADDR(r4,init_task) + LOAD_REG_IMMEDIATE(r4, init_task) std r4,PACACURRENT(r13) /* Load the TOC */ @@ -1940,7 +1948,7 @@ _STATIC(start_here_common) _GLOBAL(hmt_init) #ifdef CONFIG_HMT - LOADADDR(r5, hmt_thread_data) + LOAD_REG_IMMEDIATE(r5, hmt_thread_data) mfspr r7,SPRN_PVR srwi r7,r7,16 cmpwi r7,0x34 /* Pulsar */ @@ -1961,7 +1969,7 @@ _GLOBAL(hmt_init) b 101f __hmt_secondary_hold: - LOADADDR(r5, hmt_thread_data) + LOAD_REG_IMMEDIATE(r5, hmt_thread_data) clrldi r5,r5,4 li r7,0 mfspr r6,SPRN_PIR @@ -1989,7 +1997,7 @@ __hmt_secondary_hold: #ifdef CONFIG_HMT _GLOBAL(hmt_start_secondary) - LOADADDR(r4,__hmt_secondary_hold) + LOAD_REG_IMMEDIATE(r4,__hmt_secondary_hold) clrldi r4,r4,4 mtspr SPRN_NIADORM, r4 mfspr r4, SPRN_MSRDORM diff --git a/arch/powerpc/kernel/idle_power4.S b/arch/powerpc/kernel/idle_power4.S index 1494e2f177f7..c16b4afab582 100644 --- a/arch/powerpc/kernel/idle_power4.S +++ b/arch/powerpc/kernel/idle_power4.S @@ -38,14 +38,14 @@ END_FTR_SECTION_IFCLR(CPU_FTR_CAN_NAP) /* We must dynamically check for the NAP feature as it * can be cleared by CPU init after the fixups are done */ - LOADBASE(r3,cur_cpu_spec) - ld r4,OFF(cur_cpu_spec)(r3) + LOAD_REG_ADDRBASE(r3,cur_cpu_spec) + ld r4,ADDROFF(cur_cpu_spec)(r3) ld r4,CPU_SPEC_FEATURES(r4) andi. r0,r4,CPU_FTR_CAN_NAP beqlr /* Now check if user or arch enabled NAP mode */ - LOADBASE(r3,powersave_nap) - lwz r4,OFF(powersave_nap)(r3) + LOAD_REG_ADDRBASE(r3,powersave_nap) + lwz r4,ADDROFF(powersave_nap)(r3) cmpwi 0,r4,0 beqlr diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 5651032d8706..d1fffce86df9 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -238,14 +238,10 @@ void do_IRQ(struct pt_regs *regs) irq_exit(); #ifdef CONFIG_PPC_ISERIES - { - struct paca_struct *lpaca = get_paca(); - - if (lpaca->lppaca.int_dword.fields.decr_int) { - lpaca->lppaca.int_dword.fields.decr_int = 0; - /* Signal a fake decrementer interrupt */ - timer_interrupt(regs); - } + if (get_lppaca()->int_dword.fields.decr_int) { + get_lppaca()->int_dword.fields.decr_int = 0; + /* Signal a fake decrementer interrupt */ + timer_interrupt(regs); } #endif } diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index 9dda16ccde78..1ae96a8ed7e2 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -55,15 +55,13 @@ static unsigned long get_purr(void) { unsigned long sum_purr = 0; int cpu; - struct paca_struct *lpaca; for_each_cpu(cpu) { - lpaca = paca + cpu; - sum_purr += lpaca->lppaca.emulated_time_base; + sum_purr += lppaca[cpu].emulated_time_base; #ifdef PURR_DEBUG printk(KERN_INFO "get_purr for cpu (%d) has value (%ld) \n", - cpu, lpaca->lppaca.emulated_time_base); + cpu, lppaca[cpu].emulated_time_base); #endif } return sum_purr; @@ -79,12 +77,11 @@ static int lparcfg_data(struct seq_file *m, void *v) unsigned long pool_id, lp_index; int shared, entitled_capacity, max_entitled_capacity; int processors, max_processors; - struct paca_struct *lpaca = get_paca(); unsigned long purr = get_purr(); seq_printf(m, "%s %s \n", MODULE_NAME, MODULE_VERS); - shared = (int)(lpaca->lppaca_ptr->shared_proc); + shared = (int)(get_lppaca()->shared_proc); seq_printf(m, "serial_number=%c%c%c%c%c%c%c\n", e2a(xItExtVpdPanel.mfgID[2]), e2a(xItExtVpdPanel.mfgID[3]), @@ -402,7 +399,7 @@ static int lparcfg_data(struct seq_file *m, void *v) (h_resource >> 0 * 8) & 0xffff); /* pool related entries are apropriate for shared configs */ - if (paca[0].lppaca.shared_proc) { + if (lppaca[0].shared_proc) { h_pic(&pool_idle_time, &pool_procs); @@ -451,7 +448,7 @@ static int lparcfg_data(struct seq_file *m, void *v) seq_printf(m, "partition_potential_processors=%d\n", partition_potential_processors); - seq_printf(m, "shared_processor_mode=%d\n", paca[0].lppaca.shared_proc); + seq_printf(m, "shared_processor_mode=%d\n", lppaca[0].shared_proc); return 0; } diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 01d0d97a16e1..be982023409e 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -68,7 +68,7 @@ _GLOBAL(reloc_offset) mflr r0 bl 1f 1: mflr r3 - LOADADDR(r4,1b) + LOAD_REG_IMMEDIATE(r4,1b) subf r3,r4,r3 mtlr r0 blr @@ -80,7 +80,7 @@ _GLOBAL(add_reloc_offset) mflr r0 bl 1f 1: mflr r5 - LOADADDR(r4,1b) + LOAD_REG_IMMEDIATE(r4,1b) subf r5,r4,r5 add r3,r3,r5 mtlr r0 diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index ae48a002f81a..2778cce058e2 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -39,7 +39,7 @@ _GLOBAL(reloc_offset) mflr r0 bl 1f 1: mflr r3 - LOADADDR(r4,1b) + LOAD_REG_IMMEDIATE(r4,1b) subf r3,r4,r3 mtlr r0 blr @@ -51,7 +51,7 @@ _GLOBAL(add_reloc_offset) mflr r0 bl 1f 1: mflr r5 - LOADADDR(r4,1b) + LOAD_REG_IMMEDIATE(r4,1b) subf r5,r4,r5 add r3,r3,r5 mtlr r0 @@ -498,15 +498,15 @@ _GLOBAL(identify_cpu) */ _GLOBAL(do_cpu_ftr_fixups) /* Get CPU 0 features */ - LOADADDR(r6,cur_cpu_spec) + LOAD_REG_IMMEDIATE(r6,cur_cpu_spec) sub r6,r6,r3 ld r4,0(r6) sub r4,r4,r3 ld r4,CPU_SPEC_FEATURES(r4) /* Get the fixup table */ - LOADADDR(r6,__start___ftr_fixup) + LOAD_REG_IMMEDIATE(r6,__start___ftr_fixup) sub r6,r6,r3 - LOADADDR(r7,__stop___ftr_fixup) + LOAD_REG_IMMEDIATE(r7,__stop___ftr_fixup) sub r7,r7,r3 /* Do the fixup */ 1: cmpld r6,r7 diff --git a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c index 7065e40e2f42..22d83d4d1af5 100644 --- a/arch/powerpc/kernel/of_device.c +++ b/arch/powerpc/kernel/of_device.c @@ -132,6 +132,8 @@ static int of_device_resume(struct device * dev) struct bus_type of_platform_bus_type = { .name = "of_platform", .match = of_platform_bus_match, + .probe = of_device_probe, + .remove = of_device_remove, .suspend = of_device_suspend, .resume = of_device_resume, }; @@ -150,8 +152,6 @@ int of_register_driver(struct of_platform_driver *drv) /* initialize common driver fields */ drv->driver.name = drv->name; drv->driver.bus = &of_platform_bus_type; - drv->driver.probe = of_device_probe; - drv->driver.remove = of_device_remove; /* register with core */ count = driver_register(&drv->driver); diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c index 999bdd816769..5d1b708086bd 100644 --- a/arch/powerpc/kernel/paca.c +++ b/arch/powerpc/kernel/paca.c @@ -25,6 +25,28 @@ * field correctly */ extern unsigned long __toc_start; +/* + * iSeries structure which the hypervisor knows about - this structure + * should not cross a page boundary. The vpa_init/register_vpa call + * is now known to fail if the lppaca structure crosses a page + * boundary. The lppaca is also used on POWER5 pSeries boxes. The + * lppaca is 640 bytes long, and cannot readily change since the + * hypervisor knows its layout, so a 1kB alignment will suffice to + * ensure that it doesn't cross a page boundary. + */ +struct lppaca lppaca[] = { + [0 ... (NR_CPUS-1)] = { + .desc = 0xd397d781, /* "LpPa" */ + .size = sizeof(struct lppaca), + .dyn_proc_status = 2, + .decr_val = 0x00ff0000, + .fpregs_in_use = 1, + .end_of_quantum = 0xfffffffffffffffful, + .slb_count = 64, + .vmxregs_in_use = 0, + }, +}; + /* The Paca is an array with one entry per processor. Each contains an * lppaca, which contains the information shared between the * hypervisor and Linux. @@ -35,27 +57,17 @@ extern unsigned long __toc_start; * processor (not thread). */ #define PACA_INIT_COMMON(number, start, asrr, asrv) \ + .lppaca_ptr = &lppaca[number], \ .lock_token = 0x8000, \ .paca_index = (number), /* Paca Index */ \ .kernel_toc = (unsigned long)(&__toc_start) + 0x8000UL, \ .stab_real = (asrr), /* Real pointer to segment table */ \ .stab_addr = (asrv), /* Virt pointer to segment table */ \ .cpu_start = (start), /* Processor start */ \ - .hw_cpu_id = 0xffff, \ - .lppaca = { \ - .desc = 0xd397d781, /* "LpPa" */ \ - .size = sizeof(struct lppaca), \ - .dyn_proc_status = 2, \ - .decr_val = 0x00ff0000, \ - .fpregs_in_use = 1, \ - .end_of_quantum = 0xfffffffffffffffful, \ - .slb_count = 64, \ - .vmxregs_in_use = 0, \ - }, \ + .hw_cpu_id = 0xffff, #ifdef CONFIG_PPC_ISERIES #define PACA_INIT_ISERIES(number) \ - .lppaca_ptr = &paca[number].lppaca, \ .reg_save_ptr = &iseries_reg_save[number], #define PACA_INIT(number) \ diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c new file mode 100644 index 000000000000..704c846b2b0f --- /dev/null +++ b/arch/powerpc/kernel/pci_32.c @@ -0,0 +1,1897 @@ +/* + * Common pmac/prep/chrp pci routines. -- Cort + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/string.h> +#include <linux/init.h> +#include <linux/capability.h> +#include <linux/sched.h> +#include <linux/errno.h> +#include <linux/bootmem.h> + +#include <asm/processor.h> +#include <asm/io.h> +#include <asm/prom.h> +#include <asm/sections.h> +#include <asm/pci-bridge.h> +#include <asm/byteorder.h> +#include <asm/irq.h> +#include <asm/uaccess.h> +#include <asm/machdep.h> + +#undef DEBUG + +#ifdef DEBUG +#define DBG(x...) printk(x) +#else +#define DBG(x...) +#endif + +unsigned long isa_io_base = 0; +unsigned long isa_mem_base = 0; +unsigned long pci_dram_offset = 0; +int pcibios_assign_bus_offset = 1; + +void pcibios_make_OF_bus_map(void); + +static int pci_relocate_bridge_resource(struct pci_bus *bus, int i); +static int probe_resource(struct pci_bus *parent, struct resource *pr, + struct resource *res, struct resource **conflict); +static void update_bridge_base(struct pci_bus *bus, int i); +static void pcibios_fixup_resources(struct pci_dev* dev); +static void fixup_broken_pcnet32(struct pci_dev* dev); +static int reparent_resources(struct resource *parent, struct resource *res); +static void fixup_cpc710_pci64(struct pci_dev* dev); +#ifdef CONFIG_PPC_OF +static u8* pci_to_OF_bus_map; +#endif + +/* By default, we don't re-assign bus numbers. We do this only on + * some pmacs + */ +int pci_assign_all_buses; + +struct pci_controller* hose_head; +struct pci_controller** hose_tail = &hose_head; + +static int pci_bus_count; + +static void +fixup_broken_pcnet32(struct pci_dev* dev) +{ + if ((dev->class>>8 == PCI_CLASS_NETWORK_ETHERNET)) { + dev->vendor = PCI_VENDOR_ID_AMD; + pci_write_config_word(dev, PCI_VENDOR_ID, PCI_VENDOR_ID_AMD); + } +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TRIDENT, PCI_ANY_ID, fixup_broken_pcnet32); + +static void +fixup_cpc710_pci64(struct pci_dev* dev) +{ + /* Hide the PCI64 BARs from the kernel as their content doesn't + * fit well in the resource management + */ + dev->resource[0].start = dev->resource[0].end = 0; + dev->resource[0].flags = 0; + dev->resource[1].start = dev->resource[1].end = 0; + dev->resource[1].flags = 0; +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CPC710_PCI64, fixup_cpc710_pci64); + +static void +pcibios_fixup_resources(struct pci_dev *dev) +{ + struct pci_controller* hose = (struct pci_controller *)dev->sysdata; + int i; + unsigned long offset; + + if (!hose) { + printk(KERN_ERR "No hose for PCI dev %s!\n", pci_name(dev)); + return; + } + for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { + struct resource *res = dev->resource + i; + if (!res->flags) + continue; + if (res->end == 0xffffffff) { + DBG("PCI:%s Resource %d [%08lx-%08lx] is unassigned\n", + pci_name(dev), i, res->start, res->end); + res->end -= res->start; + res->start = 0; + res->flags |= IORESOURCE_UNSET; + continue; + } + offset = 0; + if (res->flags & IORESOURCE_MEM) { + offset = hose->pci_mem_offset; + } else if (res->flags & IORESOURCE_IO) { + offset = (unsigned long) hose->io_base_virt + - isa_io_base; + } + if (offset != 0) { + res->start += offset; + res->end += offset; +#ifdef DEBUG + printk("Fixup res %d (%lx) of dev %s: %lx -> %lx\n", + i, res->flags, pci_name(dev), + res->start - offset, res->start); +#endif + } + } + + /* Call machine specific resource fixup */ + if (ppc_md.pcibios_fixup_resources) + ppc_md.pcibios_fixup_resources(dev); +} +DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pcibios_fixup_resources); + +void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, + struct resource *res) +{ + unsigned long offset = 0; + struct pci_controller *hose = dev->sysdata; + + if (hose && res->flags & IORESOURCE_IO) + offset = (unsigned long)hose->io_base_virt - isa_io_base; + else if (hose && res->flags & IORESOURCE_MEM) + offset = hose->pci_mem_offset; + region->start = res->start - offset; + region->end = res->end - offset; +} +EXPORT_SYMBOL(pcibios_resource_to_bus); + +void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, + struct pci_bus_region *region) +{ + unsigned long offset = 0; + struct pci_controller *hose = dev->sysdata; + + if (hose && res->flags & IORESOURCE_IO) + offset = (unsigned long)hose->io_base_virt - isa_io_base; + else if (hose && res->flags & IORESOURCE_MEM) + offset = hose->pci_mem_offset; + res->start = region->start + offset; + res->end = region->end + offset; +} +EXPORT_SYMBOL(pcibios_bus_to_resource); + +/* + * We need to avoid collisions with `mirrored' VGA ports + * and other strange ISA hardware, so we always want the + * addresses to be allocated in the 0x000-0x0ff region + * modulo 0x400. + * + * Why? Because some silly external IO cards only decode + * the low 10 bits of the IO address. The 0x00-0xff region + * is reserved for motherboard devices that decode all 16 + * bits, so it's ok to allocate at, say, 0x2800-0x28ff, + * but we want to try to avoid allocating at 0x2900-0x2bff + * which might have be mirrored at 0x0100-0x03ff.. + */ +void pcibios_align_resource(void *data, struct resource *res, unsigned long size, + unsigned long align) +{ + struct pci_dev *dev = data; + + if (res->flags & IORESOURCE_IO) { + unsigned long start = res->start; + + if (size > 0x100) { + printk(KERN_ERR "PCI: I/O Region %s/%d too large" + " (%ld bytes)\n", pci_name(dev), + dev->resource - res, size); + } + + if (start & 0x300) { + start = (start + 0x3ff) & ~0x3ff; + res->start = start; + } + } +} +EXPORT_SYMBOL(pcibios_align_resource); + +/* + * Handle resources of PCI devices. If the world were perfect, we could + * just allocate all the resource regions and do nothing more. It isn't. + * On the other hand, we cannot just re-allocate all devices, as it would + * require us to know lots of host bridge internals. So we attempt to + * keep as much of the original configuration as possible, but tweak it + * when it's found to be wrong. + * + * Known BIOS problems we have to work around: + * - I/O or memory regions not configured + * - regions configured, but not enabled in the command register + * - bogus I/O addresses above 64K used + * - expansion ROMs left enabled (this may sound harmless, but given + * the fact the PCI specs explicitly allow address decoders to be + * shared between expansion ROMs and other resource regions, it's + * at least dangerous) + * + * Our solution: + * (1) Allocate resources for all buses behind PCI-to-PCI bridges. + * This gives us fixed barriers on where we can allocate. + * (2) Allocate resources for all enabled devices. If there is + * a collision, just mark the resource as unallocated. Also + * disable expansion ROMs during this step. + * (3) Try to allocate resources for disabled devices. If the + * resources were assigned correctly, everything goes well, + * if they weren't, they won't disturb allocation of other + * resources. + * (4) Assign new addresses to resources which were either + * not configured at all or misconfigured. If explicitly + * requested by the user, configure expansion ROM address + * as well. + */ + +static void __init +pcibios_allocate_bus_resources(struct list_head *bus_list) +{ + struct pci_bus *bus; + int i; + struct resource *res, *pr; + + /* Depth-First Search on bus tree */ + list_for_each_entry(bus, bus_list, node) { + for (i = 0; i < 4; ++i) { + if ((res = bus->resource[i]) == NULL || !res->flags + || res->start > res->end) + continue; + if (bus->parent == NULL) + pr = (res->flags & IORESOURCE_IO)? + &ioport_resource: &iomem_resource; + else { + pr = pci_find_parent_resource(bus->self, res); + if (pr == res) { + /* this happens when the generic PCI + * code (wrongly) decides that this + * bridge is transparent -- paulus + */ + continue; + } + } + + DBG("PCI: bridge rsrc %lx..%lx (%lx), parent %p\n", + res->start, res->end, res->flags, pr); + if (pr) { + if (request_resource(pr, res) == 0) + continue; + /* + * Must be a conflict with an existing entry. + * Move that entry (or entries) under the + * bridge resource and try again. + */ + if (reparent_resources(pr, res) == 0) + continue; + } + printk(KERN_ERR "PCI: Cannot allocate resource region " + "%d of PCI bridge %d\n", i, bus->number); + if (pci_relocate_bridge_resource(bus, i)) + bus->resource[i] = NULL; + } + pcibios_allocate_bus_resources(&bus->children); + } +} + +/* + * Reparent resource children of pr that conflict with res + * under res, and make res replace those children. + */ +static int __init +reparent_resources(struct resource *parent, struct resource *res) +{ + struct resource *p, **pp; + struct resource **firstpp = NULL; + + for (pp = &parent->child; (p = *pp) != NULL; pp = &p->sibling) { + if (p->end < res->start) + continue; + if (res->end < p->start) + break; + if (p->start < res->start || p->end > res->end) + return -1; /* not completely contained */ + if (firstpp == NULL) + firstpp = pp; + } + if (firstpp == NULL) + return -1; /* didn't find any conflicting entries? */ + res->parent = parent; + res->child = *firstpp; + res->sibling = *pp; + *firstpp = res; + *pp = NULL; + for (p = res->child; p != NULL; p = p->sibling) { + p->parent = res; + DBG(KERN_INFO "PCI: reparented %s [%lx..%lx] under %s\n", + p->name, p->start, p->end, res->name); + } + return 0; +} + +/* + * A bridge has been allocated a range which is outside the range + * of its parent bridge, so it needs to be moved. + */ +static int __init +pci_relocate_bridge_resource(struct pci_bus *bus, int i) +{ + struct resource *res, *pr, *conflict; + unsigned long try, size; + int j; + struct pci_bus *parent = bus->parent; + + if (parent == NULL) { + /* shouldn't ever happen */ + printk(KERN_ERR "PCI: can't move host bridge resource\n"); + return -1; + } + res = bus->resource[i]; + if (res == NULL) + return -1; + pr = NULL; + for (j = 0; j < 4; j++) { + struct resource *r = parent->resource[j]; + if (!r) + continue; + if ((res->flags ^ r->flags) & (IORESOURCE_IO | IORESOURCE_MEM)) + continue; + if (!((res->flags ^ r->flags) & IORESOURCE_PREFETCH)) { + pr = r; + break; + } + if (res->flags & IORESOURCE_PREFETCH) + pr = r; + } + if (pr == NULL) + return -1; + size = res->end - res->start; + if (pr->start > pr->end || size > pr->end - pr->start) + return -1; + try = pr->end; + for (;;) { + res->start = try - size; + res->end = try; + if (probe_resource(bus->parent, pr, res, &conflict) == 0) + break; + if (conflict->start <= pr->start + size) + return -1; + try = conflict->start - 1; + } + if (request_resource(pr, res)) { + DBG(KERN_ERR "PCI: huh? couldn't move to %lx..%lx\n", + res->start, res->end); + return -1; /* "can't happen" */ + } + update_bridge_base(bus, i); + printk(KERN_INFO "PCI: bridge %d resource %d moved to %lx..%lx\n", + bus->number, i, res->start, res->end); + return 0; +} + +static int __init +probe_resource(struct pci_bus *parent, struct resource *pr, + struct resource *res, struct resource **conflict) +{ + struct pci_bus *bus; + struct pci_dev *dev; + struct resource *r; + int i; + + for (r = pr->child; r != NULL; r = r->sibling) { + if (r->end >= res->start && res->end >= r->start) { + *conflict = r; + return 1; + } + } + list_for_each_entry(bus, &parent->children, node) { + for (i = 0; i < 4; ++i) { + if ((r = bus->resource[i]) == NULL) + continue; + if (!r->flags || r->start > r->end || r == res) + continue; + if (pci_find_parent_resource(bus->self, r) != pr) + continue; + if (r->end >= res->start && res->end >= r->start) { + *conflict = r; + return 1; + } + } + } + list_for_each_entry(dev, &parent->devices, bus_list) { + for (i = 0; i < 6; ++i) { + r = &dev->resource[i]; + if (!r->flags || (r->flags & IORESOURCE_UNSET)) + continue; + if (pci_find_parent_resource(dev, r) != pr) + continue; + if (r->end >= res->start && res->end >= r->start) { + *conflict = r; + return 1; + } + } + } + return 0; +} + +static void __init +update_bridge_base(struct pci_bus *bus, int i) +{ + struct resource *res = bus->resource[i]; + u8 io_base_lo, io_limit_lo; + u16 mem_base, mem_limit; + u16 cmd; + unsigned long start, end, off; + struct pci_dev *dev = bus->self; + struct pci_controller *hose = dev->sysdata; + + if (!hose) { + printk("update_bridge_base: no hose?\n"); + return; + } + pci_read_config_word(dev, PCI_COMMAND, &cmd); + pci_write_config_word(dev, PCI_COMMAND, + cmd & ~(PCI_COMMAND_IO | PCI_COMMAND_MEMORY)); + if (res->flags & IORESOURCE_IO) { + off = (unsigned long) hose->io_base_virt - isa_io_base; + start = res->start - off; + end = res->end - off; + io_base_lo = (start >> 8) & PCI_IO_RANGE_MASK; + io_limit_lo = (end >> 8) & PCI_IO_RANGE_MASK; + if (end > 0xffff) { + pci_write_config_word(dev, PCI_IO_BASE_UPPER16, + start >> 16); + pci_write_config_word(dev, PCI_IO_LIMIT_UPPER16, + end >> 16); + io_base_lo |= PCI_IO_RANGE_TYPE_32; + } else + io_base_lo |= PCI_IO_RANGE_TYPE_16; + pci_write_config_byte(dev, PCI_IO_BASE, io_base_lo); + pci_write_config_byte(dev, PCI_IO_LIMIT, io_limit_lo); + + } else if ((res->flags & (IORESOURCE_MEM | IORESOURCE_PREFETCH)) + == IORESOURCE_MEM) { + off = hose->pci_mem_offset; + mem_base = ((res->start - off) >> 16) & PCI_MEMORY_RANGE_MASK; + mem_limit = ((res->end - off) >> 16) & PCI_MEMORY_RANGE_MASK; + pci_write_config_word(dev, PCI_MEMORY_BASE, mem_base); + pci_write_config_word(dev, PCI_MEMORY_LIMIT, mem_limit); + + } else if ((res->flags & (IORESOURCE_MEM | IORESOURCE_PREFETCH)) + == (IORESOURCE_MEM | IORESOURCE_PREFETCH)) { + off = hose->pci_mem_offset; + mem_base = ((res->start - off) >> 16) & PCI_PREF_RANGE_MASK; + mem_limit = ((res->end - off) >> 16) & PCI_PREF_RANGE_MASK; + pci_write_config_word(dev, PCI_PREF_MEMORY_BASE, mem_base); + pci_write_config_word(dev, PCI_PREF_MEMORY_LIMIT, mem_limit); + + } else { + DBG(KERN_ERR "PCI: ugh, bridge %s res %d has flags=%lx\n", + pci_name(dev), i, res->flags); + } + pci_write_config_word(dev, PCI_COMMAND, cmd); +} + +static inline void alloc_resource(struct pci_dev *dev, int idx) +{ + struct resource *pr, *r = &dev->resource[idx]; + + DBG("PCI:%s: Resource %d: %08lx-%08lx (f=%lx)\n", + pci_name(dev), idx, r->start, r->end, r->flags); + pr = pci_find_parent_resource(dev, r); + if (!pr || request_resource(pr, r) < 0) { + printk(KERN_ERR "PCI: Cannot allocate resource region %d" + " of device %s\n", idx, pci_name(dev)); + if (pr) + DBG("PCI: parent is %p: %08lx-%08lx (f=%lx)\n", + pr, pr->start, pr->end, pr->flags); + /* We'll assign a new address later */ + r->flags |= IORESOURCE_UNSET; + r->end -= r->start; + r->start = 0; + } +} + +static void __init +pcibios_allocate_resources(int pass) +{ + struct pci_dev *dev = NULL; + int idx, disabled; + u16 command; + struct resource *r; + + for_each_pci_dev(dev) { + pci_read_config_word(dev, PCI_COMMAND, &command); + for (idx = 0; idx < 6; idx++) { + r = &dev->resource[idx]; + if (r->parent) /* Already allocated */ + continue; + if (!r->flags || (r->flags & IORESOURCE_UNSET)) + continue; /* Not assigned at all */ + if (r->flags & IORESOURCE_IO) + disabled = !(command & PCI_COMMAND_IO); + else + disabled = !(command & PCI_COMMAND_MEMORY); + if (pass == disabled) + alloc_resource(dev, idx); + } + if (pass) + continue; + r = &dev->resource[PCI_ROM_RESOURCE]; + if (r->flags & IORESOURCE_ROM_ENABLE) { + /* Turn the ROM off, leave the resource region, but keep it unregistered. */ + u32 reg; + DBG("PCI: Switching off ROM of %s\n", pci_name(dev)); + r->flags &= ~IORESOURCE_ROM_ENABLE; + pci_read_config_dword(dev, dev->rom_base_reg, ®); + pci_write_config_dword(dev, dev->rom_base_reg, + reg & ~PCI_ROM_ADDRESS_ENABLE); + } + } +} + +static void __init +pcibios_assign_resources(void) +{ + struct pci_dev *dev = NULL; + int idx; + struct resource *r; + + for_each_pci_dev(dev) { + int class = dev->class >> 8; + + /* Don't touch classless devices and host bridges */ + if (!class || class == PCI_CLASS_BRIDGE_HOST) + continue; + + for (idx = 0; idx < 6; idx++) { + r = &dev->resource[idx]; + + /* + * We shall assign a new address to this resource, + * either because the BIOS (sic) forgot to do so + * or because we have decided the old address was + * unusable for some reason. + */ + if ((r->flags & IORESOURCE_UNSET) && r->end && + (!ppc_md.pcibios_enable_device_hook || + !ppc_md.pcibios_enable_device_hook(dev, 1))) { + r->flags &= ~IORESOURCE_UNSET; + pci_assign_resource(dev, idx); + } + } + +#if 0 /* don't assign ROMs */ + r = &dev->resource[PCI_ROM_RESOURCE]; + r->end -= r->start; + r->start = 0; + if (r->end) + pci_assign_resource(dev, PCI_ROM_RESOURCE); +#endif + } +} + + +int +pcibios_enable_resources(struct pci_dev *dev, int mask) +{ + u16 cmd, old_cmd; + int idx; + struct resource *r; + + pci_read_config_word(dev, PCI_COMMAND, &cmd); + old_cmd = cmd; + for (idx=0; idx<6; idx++) { + /* Only set up the requested stuff */ + if (!(mask & (1<<idx))) + continue; + + r = &dev->resource[idx]; + if (r->flags & IORESOURCE_UNSET) { + printk(KERN_ERR "PCI: Device %s not available because of resource collisions\n", pci_name(dev)); + return -EINVAL; + } + if (r->flags & IORESOURCE_IO) + cmd |= PCI_COMMAND_IO; + if (r->flags & IORESOURCE_MEM) + cmd |= PCI_COMMAND_MEMORY; + } + if (dev->resource[PCI_ROM_RESOURCE].start) + cmd |= PCI_COMMAND_MEMORY; + if (cmd != old_cmd) { + printk("PCI: Enabling device %s (%04x -> %04x)\n", pci_name(dev), old_cmd, cmd); + pci_write_config_word(dev, PCI_COMMAND, cmd); + } + return 0; +} + +static int next_controller_index; + +struct pci_controller * __init +pcibios_alloc_controller(void) +{ + struct pci_controller *hose; + + hose = (struct pci_controller *)alloc_bootmem(sizeof(*hose)); + memset(hose, 0, sizeof(struct pci_controller)); + + *hose_tail = hose; + hose_tail = &hose->next; + + hose->index = next_controller_index++; + + return hose; +} + +#ifdef CONFIG_PPC_OF +/* + * Functions below are used on OpenFirmware machines. + */ +static void +make_one_node_map(struct device_node* node, u8 pci_bus) +{ + int *bus_range; + int len; + + if (pci_bus >= pci_bus_count) + return; + bus_range = (int *) get_property(node, "bus-range", &len); + if (bus_range == NULL || len < 2 * sizeof(int)) { + printk(KERN_WARNING "Can't get bus-range for %s, " + "assuming it starts at 0\n", node->full_name); + pci_to_OF_bus_map[pci_bus] = 0; + } else + pci_to_OF_bus_map[pci_bus] = bus_range[0]; + + for (node=node->child; node != 0;node = node->sibling) { + struct pci_dev* dev; + unsigned int *class_code, *reg; + + class_code = (unsigned int *) get_property(node, "class-code", NULL); + if (!class_code || ((*class_code >> 8) != PCI_CLASS_BRIDGE_PCI && + (*class_code >> 8) != PCI_CLASS_BRIDGE_CARDBUS)) + continue; + reg = (unsigned int *)get_property(node, "reg", NULL); + if (!reg) + continue; + dev = pci_find_slot(pci_bus, ((reg[0] >> 8) & 0xff)); + if (!dev || !dev->subordinate) + continue; + make_one_node_map(node, dev->subordinate->number); + } +} + +void +pcibios_make_OF_bus_map(void) +{ + int i; + struct pci_controller* hose; + u8* of_prop_map; + + pci_to_OF_bus_map = (u8*)kmalloc(pci_bus_count, GFP_KERNEL); + if (!pci_to_OF_bus_map) { + printk(KERN_ERR "Can't allocate OF bus map !\n"); + return; + } + + /* We fill the bus map with invalid values, that helps + * debugging. + */ + for (i=0; i<pci_bus_count; i++) + pci_to_OF_bus_map[i] = 0xff; + + /* For each hose, we begin searching bridges */ + for(hose=hose_head; hose; hose=hose->next) { + struct device_node* node; + node = (struct device_node *)hose->arch_data; + if (!node) + continue; + make_one_node_map(node, hose->first_busno); + } + of_prop_map = get_property(find_path_device("/"), "pci-OF-bus-map", NULL); + if (of_prop_map) + memcpy(of_prop_map, pci_to_OF_bus_map, pci_bus_count); +#ifdef DEBUG + printk("PCI->OF bus map:\n"); + for (i=0; i<pci_bus_count; i++) { + if (pci_to_OF_bus_map[i] == 0xff) + continue; + printk("%d -> %d\n", i, pci_to_OF_bus_map[i]); + } +#endif +} + +typedef int (*pci_OF_scan_iterator)(struct device_node* node, void* data); + +static struct device_node* +scan_OF_pci_childs(struct device_node* node, pci_OF_scan_iterator filter, void* data) +{ + struct device_node* sub_node; + + for (; node != 0;node = node->sibling) { + unsigned int *class_code; + + if (filter(node, data)) + return node; + + /* For PCI<->PCI bridges or CardBus bridges, we go down + * Note: some OFs create a parent node "multifunc-device" as + * a fake root for all functions of a multi-function device, + * we go down them as well. + */ + class_code = (unsigned int *) get_property(node, "class-code", NULL); + if ((!class_code || ((*class_code >> 8) != PCI_CLASS_BRIDGE_PCI && + (*class_code >> 8) != PCI_CLASS_BRIDGE_CARDBUS)) && + strcmp(node->name, "multifunc-device")) + continue; + sub_node = scan_OF_pci_childs(node->child, filter, data); + if (sub_node) + return sub_node; + } + return NULL; +} + +static int +scan_OF_pci_childs_iterator(struct device_node* node, void* data) +{ + unsigned int *reg; + u8* fdata = (u8*)data; + + reg = (unsigned int *) get_property(node, "reg", NULL); + if (reg && ((reg[0] >> 8) & 0xff) == fdata[1] + && ((reg[0] >> 16) & 0xff) == fdata[0]) + return 1; + return 0; +} + +static struct device_node* +scan_OF_childs_for_device(struct device_node* node, u8 bus, u8 dev_fn) +{ + u8 filter_data[2] = {bus, dev_fn}; + + return scan_OF_pci_childs(node, scan_OF_pci_childs_iterator, filter_data); +} + +/* + * Scans the OF tree for a device node matching a PCI device + */ +struct device_node * +pci_busdev_to_OF_node(struct pci_bus *bus, int devfn) +{ + struct pci_controller *hose; + struct device_node *node; + int busnr; + + if (!have_of) + return NULL; + + /* Lookup the hose */ + busnr = bus->number; + hose = pci_bus_to_hose(busnr); + if (!hose) + return NULL; + + /* Check it has an OF node associated */ + node = (struct device_node *) hose->arch_data; + if (!node) + return NULL; + + /* Fixup bus number according to what OF think it is. */ +#ifdef CONFIG_PPC_PMAC + /* The G5 need a special case here. Basically, we don't remap all + * busses on it so we don't create the pci-OF-map. However, we do + * remap the AGP bus and so have to deal with it. A future better + * fix has to be done by making the remapping per-host and always + * filling the pci_to_OF map. --BenH + */ + if (_machine == _MACH_Pmac && busnr >= 0xf0) + busnr -= 0xf0; + else +#endif + if (pci_to_OF_bus_map) + busnr = pci_to_OF_bus_map[busnr]; + if (busnr == 0xff) + return NULL; + + /* Now, lookup childs of the hose */ + return scan_OF_childs_for_device(node->child, busnr, devfn); +} +EXPORT_SYMBOL(pci_busdev_to_OF_node); + +struct device_node* +pci_device_to_OF_node(struct pci_dev *dev) +{ + return pci_busdev_to_OF_node(dev->bus, dev->devfn); +} +EXPORT_SYMBOL(pci_device_to_OF_node); + +/* This routine is meant to be used early during boot, when the + * PCI bus numbers have not yet been assigned, and you need to + * issue PCI config cycles to an OF device. + * It could also be used to "fix" RTAS config cycles if you want + * to set pci_assign_all_buses to 1 and still use RTAS for PCI + * config cycles. + */ +struct pci_controller* pci_find_hose_for_OF_device(struct device_node* node) +{ + if (!have_of) + return NULL; + while(node) { + struct pci_controller* hose; + for (hose=hose_head;hose;hose=hose->next) + if (hose->arch_data == node) + return hose; + node=node->parent; + } + return NULL; +} + +static int +find_OF_pci_device_filter(struct device_node* node, void* data) +{ + return ((void *)node == data); +} + +/* + * Returns the PCI device matching a given OF node + */ +int +pci_device_from_OF_node(struct device_node* node, u8* bus, u8* devfn) +{ + unsigned int *reg; + struct pci_controller* hose; + struct pci_dev* dev = NULL; + + if (!have_of) + return -ENODEV; + /* Make sure it's really a PCI device */ + hose = pci_find_hose_for_OF_device(node); + if (!hose || !hose->arch_data) + return -ENODEV; + if (!scan_OF_pci_childs(((struct device_node*)hose->arch_data)->child, + find_OF_pci_device_filter, (void *)node)) + return -ENODEV; + reg = (unsigned int *) get_property(node, "reg", NULL); + if (!reg) + return -ENODEV; + *bus = (reg[0] >> 16) & 0xff; + *devfn = ((reg[0] >> 8) & 0xff); + + /* Ok, here we need some tweak. If we have already renumbered + * all busses, we can't rely on the OF bus number any more. + * the pci_to_OF_bus_map is not enough as several PCI busses + * may match the same OF bus number. + */ + if (!pci_to_OF_bus_map) + return 0; + + for_each_pci_dev(dev) + if (pci_to_OF_bus_map[dev->bus->number] == *bus && + dev->devfn == *devfn) { + *bus = dev->bus->number; + pci_dev_put(dev); + return 0; + } + + return -ENODEV; +} +EXPORT_SYMBOL(pci_device_from_OF_node); + +void __init +pci_process_bridge_OF_ranges(struct pci_controller *hose, + struct device_node *dev, int primary) +{ + static unsigned int static_lc_ranges[256] __initdata; + unsigned int *dt_ranges, *lc_ranges, *ranges, *prev; + unsigned int size; + int rlen = 0, orig_rlen; + int memno = 0; + struct resource *res; + int np, na = prom_n_addr_cells(dev); + np = na + 5; + + /* First we try to merge ranges to fix a problem with some pmacs + * that can have more than 3 ranges, fortunately using contiguous + * addresses -- BenH + */ + dt_ranges = (unsigned int *) get_property(dev, "ranges", &rlen); + if (!dt_ranges) + return; + /* Sanity check, though hopefully that never happens */ + if (rlen > sizeof(static_lc_ranges)) { + printk(KERN_WARNING "OF ranges property too large !\n"); + rlen = sizeof(static_lc_ranges); + } + lc_ranges = static_lc_ranges; + memcpy(lc_ranges, dt_ranges, rlen); + orig_rlen = rlen; + + /* Let's work on a copy of the "ranges" property instead of damaging + * the device-tree image in memory + */ + ranges = lc_ranges; + prev = NULL; + while ((rlen -= np * sizeof(unsigned int)) >= 0) { + if (prev) { + if (prev[0] == ranges[0] && prev[1] == ranges[1] && + (prev[2] + prev[na+4]) == ranges[2] && + (prev[na+2] + prev[na+4]) == ranges[na+2]) { + prev[na+4] += ranges[na+4]; + ranges[0] = 0; + ranges += np; + continue; + } + } + prev = ranges; + ranges += np; + } + + /* + * The ranges property is laid out as an array of elements, + * each of which comprises: + * cells 0 - 2: a PCI address + * cells 3 or 3+4: a CPU physical address + * (size depending on dev->n_addr_cells) + * cells 4+5 or 5+6: the size of the range + */ + ranges = lc_ranges; + rlen = orig_rlen; + while (ranges && (rlen -= np * sizeof(unsigned int)) >= 0) { + res = NULL; + size = ranges[na+4]; + switch ((ranges[0] >> 24) & 0x3) { + case 1: /* I/O space */ + if (ranges[2] != 0) + break; + hose->io_base_phys = ranges[na+2]; + /* limit I/O space to 16MB */ + if (size > 0x01000000) + size = 0x01000000; + hose->io_base_virt = ioremap(ranges[na+2], size); + if (primary) + isa_io_base = (unsigned long) hose->io_base_virt; + res = &hose->io_resource; + res->flags = IORESOURCE_IO; + res->start = ranges[2]; + DBG("PCI: IO 0x%lx -> 0x%lx\n", + res->start, res->start + size - 1); + break; + case 2: /* memory space */ + memno = 0; + if (ranges[1] == 0 && ranges[2] == 0 + && ranges[na+4] <= (16 << 20)) { + /* 1st 16MB, i.e. ISA memory area */ + if (primary) + isa_mem_base = ranges[na+2]; + memno = 1; + } + while (memno < 3 && hose->mem_resources[memno].flags) + ++memno; + if (memno == 0) + hose->pci_mem_offset = ranges[na+2] - ranges[2]; + if (memno < 3) { + res = &hose->mem_resources[memno]; + res->flags = IORESOURCE_MEM; + if(ranges[0] & 0x40000000) + res->flags |= IORESOURCE_PREFETCH; + res->start = ranges[na+2]; + DBG("PCI: MEM[%d] 0x%lx -> 0x%lx\n", memno, + res->start, res->start + size - 1); + } + break; + } + if (res != NULL) { + res->name = dev->full_name; + res->end = res->start + size - 1; + res->parent = NULL; + res->sibling = NULL; + res->child = NULL; + } + ranges += np; + } +} + +/* We create the "pci-OF-bus-map" property now so it appears in the + * /proc device tree + */ +void __init +pci_create_OF_bus_map(void) +{ + struct property* of_prop; + + of_prop = (struct property*) alloc_bootmem(sizeof(struct property) + 256); + if (of_prop && find_path_device("/")) { + memset(of_prop, -1, sizeof(struct property) + 256); + of_prop->name = "pci-OF-bus-map"; + of_prop->length = 256; + of_prop->value = (unsigned char *)&of_prop[1]; + prom_add_property(find_path_device("/"), of_prop); + } +} + +static ssize_t pci_show_devspec(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct pci_dev *pdev; + struct device_node *np; + + pdev = to_pci_dev (dev); + np = pci_device_to_OF_node(pdev); + if (np == NULL || np->full_name == NULL) + return 0; + return sprintf(buf, "%s", np->full_name); +} +static DEVICE_ATTR(devspec, S_IRUGO, pci_show_devspec, NULL); + +#else /* CONFIG_PPC_OF */ +void pcibios_make_OF_bus_map(void) +{ +} +#endif /* CONFIG_PPC_OF */ + +/* Add sysfs properties */ +void pcibios_add_platform_entries(struct pci_dev *pdev) +{ +#ifdef CONFIG_PPC_OF + device_create_file(&pdev->dev, &dev_attr_devspec); +#endif /* CONFIG_PPC_OF */ +} + + +#ifdef CONFIG_PPC_PMAC +/* + * This set of routines checks for PCI<->PCI bridges that have closed + * IO resources and have child devices. It tries to re-open an IO + * window on them. + * + * This is a _temporary_ fix to workaround a problem with Apple's OF + * closing IO windows on P2P bridges when the OF drivers of cards + * below this bridge don't claim any IO range (typically ATI or + * Adaptec). + * + * A more complete fix would be to use drivers/pci/setup-bus.c, which + * involves a working pcibios_fixup_pbus_ranges(), some more care about + * ordering when creating the host bus resources, and maybe a few more + * minor tweaks + */ + +/* Initialize bridges with base/limit values we have collected */ +static void __init +do_update_p2p_io_resource(struct pci_bus *bus, int enable_vga) +{ + struct pci_dev *bridge = bus->self; + struct pci_controller* hose = (struct pci_controller *)bridge->sysdata; + u32 l; + u16 w; + struct resource res; + + if (bus->resource[0] == NULL) + return; + res = *(bus->resource[0]); + + DBG("Remapping Bus %d, bridge: %s\n", bus->number, pci_name(bridge)); + res.start -= ((unsigned long) hose->io_base_virt - isa_io_base); + res.end -= ((unsigned long) hose->io_base_virt - isa_io_base); + DBG(" IO window: %08lx-%08lx\n", res.start, res.end); + + /* Set up the top and bottom of the PCI I/O segment for this bus. */ + pci_read_config_dword(bridge, PCI_IO_BASE, &l); + l &= 0xffff000f; + l |= (res.start >> 8) & 0x00f0; + l |= res.end & 0xf000; + pci_write_config_dword(bridge, PCI_IO_BASE, l); + + if ((l & PCI_IO_RANGE_TYPE_MASK) == PCI_IO_RANGE_TYPE_32) { + l = (res.start >> 16) | (res.end & 0xffff0000); + pci_write_config_dword(bridge, PCI_IO_BASE_UPPER16, l); + } + + pci_read_config_word(bridge, PCI_COMMAND, &w); + w |= PCI_COMMAND_IO; + pci_write_config_word(bridge, PCI_COMMAND, w); + +#if 0 /* Enabling this causes XFree 4.2.0 to hang during PCI probe */ + if (enable_vga) { + pci_read_config_word(bridge, PCI_BRIDGE_CONTROL, &w); + w |= PCI_BRIDGE_CTL_VGA; + pci_write_config_word(bridge, PCI_BRIDGE_CONTROL, w); + } +#endif +} + +/* This function is pretty basic and actually quite broken for the + * general case, it's enough for us right now though. It's supposed + * to tell us if we need to open an IO range at all or not and what + * size. + */ +static int __init +check_for_io_childs(struct pci_bus *bus, struct resource* res, int *found_vga) +{ + struct pci_dev *dev; + int i; + int rc = 0; + +#define push_end(res, size) do { unsigned long __sz = (size) ; \ + res->end = ((res->end + __sz) / (__sz + 1)) * (__sz + 1) + __sz; \ + } while (0) + + list_for_each_entry(dev, &bus->devices, bus_list) { + u16 class = dev->class >> 8; + + if (class == PCI_CLASS_DISPLAY_VGA || + class == PCI_CLASS_NOT_DEFINED_VGA) + *found_vga = 1; + if (class >> 8 == PCI_BASE_CLASS_BRIDGE && dev->subordinate) + rc |= check_for_io_childs(dev->subordinate, res, found_vga); + if (class == PCI_CLASS_BRIDGE_CARDBUS) + push_end(res, 0xfff); + + for (i=0; i<PCI_NUM_RESOURCES; i++) { + struct resource *r; + unsigned long r_size; + + if (dev->class >> 8 == PCI_CLASS_BRIDGE_PCI + && i >= PCI_BRIDGE_RESOURCES) + continue; + r = &dev->resource[i]; + r_size = r->end - r->start; + if (r_size < 0xfff) + r_size = 0xfff; + if (r->flags & IORESOURCE_IO && (r_size) != 0) { + rc = 1; + push_end(res, r_size); + } + } + } + + return rc; +} + +/* Here we scan all P2P bridges of a given level that have a closed + * IO window. Note that the test for the presence of a VGA card should + * be improved to take into account already configured P2P bridges, + * currently, we don't see them and might end up configuring 2 bridges + * with VGA pass through enabled + */ +static void __init +do_fixup_p2p_level(struct pci_bus *bus) +{ + struct pci_bus *b; + int i, parent_io; + int has_vga = 0; + + for (parent_io=0; parent_io<4; parent_io++) + if (bus->resource[parent_io] + && bus->resource[parent_io]->flags & IORESOURCE_IO) + break; + if (parent_io >= 4) + return; + + list_for_each_entry(b, &bus->children, node) { + struct pci_dev *d = b->self; + struct pci_controller* hose = (struct pci_controller *)d->sysdata; + struct resource *res = b->resource[0]; + struct resource tmp_res; + unsigned long max; + int found_vga = 0; + + memset(&tmp_res, 0, sizeof(tmp_res)); + tmp_res.start = bus->resource[parent_io]->start; + + /* We don't let low addresses go through that closed P2P bridge, well, + * that may not be necessary but I feel safer that way + */ + if (tmp_res.start == 0) + tmp_res.start = 0x1000; + + if (!list_empty(&b->devices) && res && res->flags == 0 && + res != bus->resource[parent_io] && + (d->class >> 8) == PCI_CLASS_BRIDGE_PCI && + check_for_io_childs(b, &tmp_res, &found_vga)) { + u8 io_base_lo; + + printk(KERN_INFO "Fixing up IO bus %s\n", b->name); + + if (found_vga) { + if (has_vga) { + printk(KERN_WARNING "Skipping VGA, already active" + " on bus segment\n"); + found_vga = 0; + } else + has_vga = 1; + } + pci_read_config_byte(d, PCI_IO_BASE, &io_base_lo); + + if ((io_base_lo & PCI_IO_RANGE_TYPE_MASK) == PCI_IO_RANGE_TYPE_32) + max = ((unsigned long) hose->io_base_virt + - isa_io_base) + 0xffffffff; + else + max = ((unsigned long) hose->io_base_virt + - isa_io_base) + 0xffff; + + *res = tmp_res; + res->flags = IORESOURCE_IO; + res->name = b->name; + + /* Find a resource in the parent where we can allocate */ + for (i = 0 ; i < 4; i++) { + struct resource *r = bus->resource[i]; + if (!r) + continue; + if ((r->flags & IORESOURCE_IO) == 0) + continue; + DBG("Trying to allocate from %08lx, size %08lx from parent" + " res %d: %08lx -> %08lx\n", + res->start, res->end, i, r->start, r->end); + + if (allocate_resource(r, res, res->end + 1, res->start, max, + res->end + 1, NULL, NULL) < 0) { + DBG("Failed !\n"); + continue; + } + do_update_p2p_io_resource(b, found_vga); + break; + } + } + do_fixup_p2p_level(b); + } +} + +static void +pcibios_fixup_p2p_bridges(void) +{ + struct pci_bus *b; + + list_for_each_entry(b, &pci_root_buses, node) + do_fixup_p2p_level(b); +} + +#endif /* CONFIG_PPC_PMAC */ + +static int __init +pcibios_init(void) +{ + struct pci_controller *hose; + struct pci_bus *bus; + int next_busno; + + printk(KERN_INFO "PCI: Probing PCI hardware\n"); + + /* Scan all of the recorded PCI controllers. */ + for (next_busno = 0, hose = hose_head; hose; hose = hose->next) { + if (pci_assign_all_buses) + hose->first_busno = next_busno; + hose->last_busno = 0xff; + bus = pci_scan_bus(hose->first_busno, hose->ops, hose); + hose->last_busno = bus->subordinate; + if (pci_assign_all_buses || next_busno <= hose->last_busno) + next_busno = hose->last_busno + pcibios_assign_bus_offset; + } + pci_bus_count = next_busno; + + /* OpenFirmware based machines need a map of OF bus + * numbers vs. kernel bus numbers since we may have to + * remap them. + */ + if (pci_assign_all_buses && have_of) + pcibios_make_OF_bus_map(); + + /* Do machine dependent PCI interrupt routing */ + if (ppc_md.pci_swizzle && ppc_md.pci_map_irq) + pci_fixup_irqs(ppc_md.pci_swizzle, ppc_md.pci_map_irq); + + /* Call machine dependent fixup */ + if (ppc_md.pcibios_fixup) + ppc_md.pcibios_fixup(); + + /* Allocate and assign resources */ + pcibios_allocate_bus_resources(&pci_root_buses); + pcibios_allocate_resources(0); + pcibios_allocate_resources(1); +#ifdef CONFIG_PPC_PMAC + pcibios_fixup_p2p_bridges(); +#endif /* CONFIG_PPC_PMAC */ + pcibios_assign_resources(); + + /* Call machine dependent post-init code */ + if (ppc_md.pcibios_after_init) + ppc_md.pcibios_after_init(); + + return 0; +} + +subsys_initcall(pcibios_init); + +unsigned char __init +common_swizzle(struct pci_dev *dev, unsigned char *pinp) +{ + struct pci_controller *hose = dev->sysdata; + + if (dev->bus->number != hose->first_busno) { + u8 pin = *pinp; + do { + pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)); + /* Move up the chain of bridges. */ + dev = dev->bus->self; + } while (dev->bus->self); + *pinp = pin; + + /* The slot is the idsel of the last bridge. */ + } + return PCI_SLOT(dev->devfn); +} + +unsigned long resource_fixup(struct pci_dev * dev, struct resource * res, + unsigned long start, unsigned long size) +{ + return start; +} + +void __init pcibios_fixup_bus(struct pci_bus *bus) +{ + struct pci_controller *hose = (struct pci_controller *) bus->sysdata; + unsigned long io_offset; + struct resource *res; + int i; + + io_offset = (unsigned long)hose->io_base_virt - isa_io_base; + if (bus->parent == NULL) { + /* This is a host bridge - fill in its resources */ + hose->bus = bus; + + bus->resource[0] = res = &hose->io_resource; + if (!res->flags) { + if (io_offset) + printk(KERN_ERR "I/O resource not set for host" + " bridge %d\n", hose->index); + res->start = 0; + res->end = IO_SPACE_LIMIT; + res->flags = IORESOURCE_IO; + } + res->start += io_offset; + res->end += io_offset; + + for (i = 0; i < 3; ++i) { + res = &hose->mem_resources[i]; + if (!res->flags) { + if (i > 0) + continue; + printk(KERN_ERR "Memory resource not set for " + "host bridge %d\n", hose->index); + res->start = hose->pci_mem_offset; + res->end = ~0U; + res->flags = IORESOURCE_MEM; + } + bus->resource[i+1] = res; + } + } else { + /* This is a subordinate bridge */ + pci_read_bridge_bases(bus); + + for (i = 0; i < 4; ++i) { + if ((res = bus->resource[i]) == NULL) + continue; + if (!res->flags) + continue; + if (io_offset && (res->flags & IORESOURCE_IO)) { + res->start += io_offset; + res->end += io_offset; + } else if (hose->pci_mem_offset + && (res->flags & IORESOURCE_MEM)) { + res->start += hose->pci_mem_offset; + res->end += hose->pci_mem_offset; + } + } + } + + if (ppc_md.pcibios_fixup_bus) + ppc_md.pcibios_fixup_bus(bus); +} + +char __init *pcibios_setup(char *str) +{ + return str; +} + +/* the next one is stolen from the alpha port... */ +void __init +pcibios_update_irq(struct pci_dev *dev, int irq) +{ + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); + /* XXX FIXME - update OF device tree node interrupt property */ +} + +int pcibios_enable_device(struct pci_dev *dev, int mask) +{ + u16 cmd, old_cmd; + int idx; + struct resource *r; + + if (ppc_md.pcibios_enable_device_hook) + if (ppc_md.pcibios_enable_device_hook(dev, 0)) + return -EINVAL; + + pci_read_config_word(dev, PCI_COMMAND, &cmd); + old_cmd = cmd; + for (idx=0; idx<6; idx++) { + r = &dev->resource[idx]; + if (r->flags & IORESOURCE_UNSET) { + printk(KERN_ERR "PCI: Device %s not available because of resource collisions\n", pci_name(dev)); + return -EINVAL; + } + if (r->flags & IORESOURCE_IO) + cmd |= PCI_COMMAND_IO; + if (r->flags & IORESOURCE_MEM) + cmd |= PCI_COMMAND_MEMORY; + } + if (cmd != old_cmd) { + printk("PCI: Enabling device %s (%04x -> %04x)\n", + pci_name(dev), old_cmd, cmd); + pci_write_config_word(dev, PCI_COMMAND, cmd); + } + return 0; +} + +struct pci_controller* +pci_bus_to_hose(int bus) +{ + struct pci_controller* hose = hose_head; + + for (; hose; hose = hose->next) + if (bus >= hose->first_busno && bus <= hose->last_busno) + return hose; + return NULL; +} + +void __iomem * +pci_bus_io_base(unsigned int bus) +{ + struct pci_controller *hose; + + hose = pci_bus_to_hose(bus); + if (!hose) + return NULL; + return hose->io_base_virt; +} + +unsigned long +pci_bus_io_base_phys(unsigned int bus) +{ + struct pci_controller *hose; + + hose = pci_bus_to_hose(bus); + if (!hose) + return 0; + return hose->io_base_phys; +} + +unsigned long +pci_bus_mem_base_phys(unsigned int bus) +{ + struct pci_controller *hose; + + hose = pci_bus_to_hose(bus); + if (!hose) + return 0; + return hose->pci_mem_offset; +} + +unsigned long +pci_resource_to_bus(struct pci_dev *pdev, struct resource *res) +{ + /* Hack alert again ! See comments in chrp_pci.c + */ + struct pci_controller* hose = + (struct pci_controller *)pdev->sysdata; + if (hose && res->flags & IORESOURCE_MEM) + return res->start - hose->pci_mem_offset; + /* We may want to do something with IOs here... */ + return res->start; +} + + +static struct resource *__pci_mmap_make_offset(struct pci_dev *dev, + unsigned long *offset, + enum pci_mmap_state mmap_state) +{ + struct pci_controller *hose = pci_bus_to_hose(dev->bus->number); + unsigned long io_offset = 0; + int i, res_bit; + + if (hose == 0) + return NULL; /* should never happen */ + + /* If memory, add on the PCI bridge address offset */ + if (mmap_state == pci_mmap_mem) { + *offset += hose->pci_mem_offset; + res_bit = IORESOURCE_MEM; + } else { + io_offset = hose->io_base_virt - ___IO_BASE; + *offset += io_offset; + res_bit = IORESOURCE_IO; + } + + /* + * Check that the offset requested corresponds to one of the + * resources of the device. + */ + for (i = 0; i <= PCI_ROM_RESOURCE; i++) { + struct resource *rp = &dev->resource[i]; + int flags = rp->flags; + + /* treat ROM as memory (should be already) */ + if (i == PCI_ROM_RESOURCE) + flags |= IORESOURCE_MEM; + + /* Active and same type? */ + if ((flags & res_bit) == 0) + continue; + + /* In the range of this resource? */ + if (*offset < (rp->start & PAGE_MASK) || *offset > rp->end) + continue; + + /* found it! construct the final physical address */ + if (mmap_state == pci_mmap_io) + *offset += hose->io_base_phys - io_offset; + return rp; + } + + return NULL; +} + +/* + * Set vm_page_prot of VMA, as appropriate for this architecture, for a pci + * device mapping. + */ +static pgprot_t __pci_mmap_set_pgprot(struct pci_dev *dev, struct resource *rp, + pgprot_t protection, + enum pci_mmap_state mmap_state, + int write_combine) +{ + unsigned long prot = pgprot_val(protection); + + /* Write combine is always 0 on non-memory space mappings. On + * memory space, if the user didn't pass 1, we check for a + * "prefetchable" resource. This is a bit hackish, but we use + * this to workaround the inability of /sysfs to provide a write + * combine bit + */ + if (mmap_state != pci_mmap_mem) + write_combine = 0; + else if (write_combine == 0) { + if (rp->flags & IORESOURCE_PREFETCH) + write_combine = 1; + } + + /* XXX would be nice to have a way to ask for write-through */ + prot |= _PAGE_NO_CACHE; + if (write_combine) + prot &= ~_PAGE_GUARDED; + else + prot |= _PAGE_GUARDED; + + printk("PCI map for %s:%lx, prot: %lx\n", pci_name(dev), rp->start, + prot); + + return __pgprot(prot); +} + +/* + * This one is used by /dev/mem and fbdev who have no clue about the + * PCI device, it tries to find the PCI device first and calls the + * above routine + */ +pgprot_t pci_phys_mem_access_prot(struct file *file, + unsigned long pfn, + unsigned long size, + pgprot_t protection) +{ + struct pci_dev *pdev = NULL; + struct resource *found = NULL; + unsigned long prot = pgprot_val(protection); + unsigned long offset = pfn << PAGE_SHIFT; + int i; + + if (page_is_ram(pfn)) + return prot; + + prot |= _PAGE_NO_CACHE | _PAGE_GUARDED; + + for_each_pci_dev(pdev) { + for (i = 0; i <= PCI_ROM_RESOURCE; i++) { + struct resource *rp = &pdev->resource[i]; + int flags = rp->flags; + + /* Active and same type? */ + if ((flags & IORESOURCE_MEM) == 0) + continue; + /* In the range of this resource? */ + if (offset < (rp->start & PAGE_MASK) || + offset > rp->end) + continue; + found = rp; + break; + } + if (found) + break; + } + if (found) { + if (found->flags & IORESOURCE_PREFETCH) + prot &= ~_PAGE_GUARDED; + pci_dev_put(pdev); + } + + DBG("non-PCI map for %lx, prot: %lx\n", offset, prot); + + return __pgprot(prot); +} + + +/* + * Perform the actual remap of the pages for a PCI device mapping, as + * appropriate for this architecture. The region in the process to map + * is described by vm_start and vm_end members of VMA, the base physical + * address is found in vm_pgoff. + * The pci device structure is provided so that architectures may make mapping + * decisions on a per-device or per-bus basis. + * + * Returns a negative error code on failure, zero on success. + */ +int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, + enum pci_mmap_state mmap_state, + int write_combine) +{ + unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; + struct resource *rp; + int ret; + + rp = __pci_mmap_make_offset(dev, &offset, mmap_state); + if (rp == NULL) + return -EINVAL; + + vma->vm_pgoff = offset >> PAGE_SHIFT; + vma->vm_flags |= VM_SHM | VM_LOCKED | VM_IO; + vma->vm_page_prot = __pci_mmap_set_pgprot(dev, rp, + vma->vm_page_prot, + mmap_state, write_combine); + + ret = remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, + vma->vm_end - vma->vm_start, vma->vm_page_prot); + + return ret; +} + +/* Obsolete functions. Should be removed once the symbios driver + * is fixed + */ +unsigned long +phys_to_bus(unsigned long pa) +{ + struct pci_controller *hose; + int i; + + for (hose = hose_head; hose; hose = hose->next) { + for (i = 0; i < 3; ++i) { + if (pa >= hose->mem_resources[i].start + && pa <= hose->mem_resources[i].end) { + /* + * XXX the hose->pci_mem_offset really + * only applies to mem_resources[0]. + * We need a way to store an offset for + * the others. -- paulus + */ + if (i == 0) + pa -= hose->pci_mem_offset; + return pa; + } + } + } + /* hmmm, didn't find it */ + return 0; +} + +unsigned long +pci_phys_to_bus(unsigned long pa, int busnr) +{ + struct pci_controller* hose = pci_bus_to_hose(busnr); + if (!hose) + return pa; + return pa - hose->pci_mem_offset; +} + +unsigned long +pci_bus_to_phys(unsigned int ba, int busnr) +{ + struct pci_controller* hose = pci_bus_to_hose(busnr); + if (!hose) + return ba; + return ba + hose->pci_mem_offset; +} + +/* Provide information on locations of various I/O regions in physical + * memory. Do this on a per-card basis so that we choose the right + * root bridge. + * Note that the returned IO or memory base is a physical address + */ + +long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn) +{ + struct pci_controller* hose; + long result = -EOPNOTSUPP; + + /* Argh ! Please forgive me for that hack, but that's the + * simplest way to get existing XFree to not lockup on some + * G5 machines... So when something asks for bus 0 io base + * (bus 0 is HT root), we return the AGP one instead. + */ +#ifdef CONFIG_PPC_PMAC + if (_machine == _MACH_Pmac && machine_is_compatible("MacRISC4")) + if (bus == 0) + bus = 0xf0; +#endif /* CONFIG_PPC_PMAC */ + + hose = pci_bus_to_hose(bus); + if (!hose) + return -ENODEV; + + switch (which) { + case IOBASE_BRIDGE_NUMBER: + return (long)hose->first_busno; + case IOBASE_MEMORY: + return (long)hose->pci_mem_offset; + case IOBASE_IO: + return (long)hose->io_base_phys; + case IOBASE_ISA_IO: + return (long)isa_io_base; + case IOBASE_ISA_MEM: + return (long)isa_mem_base; + } + + return result; +} + +void pci_resource_to_user(const struct pci_dev *dev, int bar, + const struct resource *rsrc, + u64 *start, u64 *end) +{ + struct pci_controller *hose = pci_bus_to_hose(dev->bus->number); + unsigned long offset = 0; + + if (hose == NULL) + return; + + if (rsrc->flags & IORESOURCE_IO) + offset = ___IO_BASE - hose->io_base_virt + hose->io_base_phys; + + *start = rsrc->start + offset; + *end = rsrc->end + offset; +} + +void __init +pci_init_resource(struct resource *res, unsigned long start, unsigned long end, + int flags, char *name) +{ + res->start = start; + res->end = end; + res->flags = flags; + res->name = name; + res->parent = NULL; + res->sibling = NULL; + res->child = NULL; +} + +void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max) +{ + unsigned long start = pci_resource_start(dev, bar); + unsigned long len = pci_resource_len(dev, bar); + unsigned long flags = pci_resource_flags(dev, bar); + + if (!len) + return NULL; + if (max && len > max) + len = max; + if (flags & IORESOURCE_IO) + return ioport_map(start, len); + if (flags & IORESOURCE_MEM) + /* Not checking IORESOURCE_CACHEABLE because PPC does + * not currently distinguish between ioremap and + * ioremap_nocache. + */ + return ioremap(start, len); + /* What? */ + return NULL; +} + +void pci_iounmap(struct pci_dev *dev, void __iomem *addr) +{ + /* Nothing to do */ +} +EXPORT_SYMBOL(pci_iomap); +EXPORT_SYMBOL(pci_iounmap); + +unsigned long pci_address_to_pio(phys_addr_t address) +{ + struct pci_controller* hose = hose_head; + + for (; hose; hose = hose->next) { + unsigned int size = hose->io_resource.end - + hose->io_resource.start + 1; + if (address >= hose->io_base_phys && + address < (hose->io_base_phys + size)) { + unsigned long base = + (unsigned long)hose->io_base_virt - _IO_BASE; + return base + (address - hose->io_base_phys); + } + } + return (unsigned int)-1; +} +EXPORT_SYMBOL(pci_address_to_pio); + +/* + * Null PCI config access functions, for the case when we can't + * find a hose. + */ +#define NULL_PCI_OP(rw, size, type) \ +static int \ +null_##rw##_config_##size(struct pci_dev *dev, int offset, type val) \ +{ \ + return PCIBIOS_DEVICE_NOT_FOUND; \ +} + +static int +null_read_config(struct pci_bus *bus, unsigned int devfn, int offset, + int len, u32 *val) +{ + return PCIBIOS_DEVICE_NOT_FOUND; +} + +static int +null_write_config(struct pci_bus *bus, unsigned int devfn, int offset, + int len, u32 val) +{ + return PCIBIOS_DEVICE_NOT_FOUND; +} + +static struct pci_ops null_pci_ops = +{ + null_read_config, + null_write_config +}; + +/* + * These functions are used early on before PCI scanning is done + * and all of the pci_dev and pci_bus structures have been created. + */ +static struct pci_bus * +fake_pci_bus(struct pci_controller *hose, int busnr) +{ + static struct pci_bus bus; + + if (hose == 0) { + hose = pci_bus_to_hose(busnr); + if (hose == 0) + printk(KERN_ERR "Can't find hose for PCI bus %d!\n", busnr); + } + bus.number = busnr; + bus.sysdata = hose; + bus.ops = hose? hose->ops: &null_pci_ops; + return &bus; +} + +#define EARLY_PCI_OP(rw, size, type) \ +int early_##rw##_config_##size(struct pci_controller *hose, int bus, \ + int devfn, int offset, type value) \ +{ \ + return pci_bus_##rw##_config_##size(fake_pci_bus(hose, bus), \ + devfn, offset, value); \ +} + +EARLY_PCI_OP(read, byte, u8 *) +EARLY_PCI_OP(read, word, u16 *) +EARLY_PCI_OP(read, dword, u32 *) +EARLY_PCI_OP(write, byte, u8) +EARLY_PCI_OP(write, word, u16) +EARLY_PCI_OP(write, dword, u32) diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index 16d9a904f3cb..d9a459c144d8 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -230,8 +230,7 @@ EXPORT_SYMBOL(__down_interruptible); EXPORT_SYMBOL(cpm_install_handler); EXPORT_SYMBOL(cpm_free_handler); #endif /* CONFIG_8xx */ -#if defined(CONFIG_8xx) || defined(CONFIG_40x) || defined(CONFIG_85xx) ||\ - defined(CONFIG_83xx) +#if defined(CONFIG_8xx) || defined(CONFIG_40x) EXPORT_SYMBOL(__res); #endif diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 02e2115323e4..d50c8df0183e 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -1627,6 +1627,11 @@ static void of_node_release(struct kref *kref) kfree(prop->value); kfree(prop); prop = next; + + if (!prop) { + prop = node->deadprops; + node->deadprops = NULL; + } } kfree(node->intrs); kfree(node->full_name); @@ -1774,22 +1779,32 @@ static int __init prom_reconfig_setup(void) __initcall(prom_reconfig_setup); #endif -/* - * Find a property with a given name for a given node - * and return the value. - */ -unsigned char *get_property(struct device_node *np, const char *name, - int *lenp) +struct property *of_find_property(struct device_node *np, const char *name, + int *lenp) { struct property *pp; + read_lock(&devtree_lock); for (pp = np->properties; pp != 0; pp = pp->next) if (strcmp(pp->name, name) == 0) { if (lenp != 0) *lenp = pp->length; - return pp->value; + break; } - return NULL; + read_unlock(&devtree_lock); + + return pp; +} + +/* + * Find a property with a given name for a given node + * and return the value. + */ +unsigned char *get_property(struct device_node *np, const char *name, + int *lenp) +{ + struct property *pp = of_find_property(np,name,lenp); + return pp ? pp->value : NULL; } EXPORT_SYMBOL(get_property); @@ -1823,4 +1838,82 @@ int prom_add_property(struct device_node* np, struct property* prop) return 0; } +/* + * Remove a property from a node. Note that we don't actually + * remove it, since we have given out who-knows-how-many pointers + * to the data using get-property. Instead we just move the property + * to the "dead properties" list, so it won't be found any more. + */ +int prom_remove_property(struct device_node *np, struct property *prop) +{ + struct property **next; + int found = 0; + write_lock(&devtree_lock); + next = &np->properties; + while (*next) { + if (*next == prop) { + /* found the node */ + *next = prop->next; + prop->next = np->deadprops; + np->deadprops = prop; + found = 1; + break; + } + next = &(*next)->next; + } + write_unlock(&devtree_lock); + + if (!found) + return -ENODEV; + +#ifdef CONFIG_PROC_DEVICETREE + /* try to remove the proc node as well */ + if (np->pde) + proc_device_tree_remove_prop(np->pde, prop); +#endif /* CONFIG_PROC_DEVICETREE */ + + return 0; +} + +/* + * Update a property in a node. Note that we don't actually + * remove it, since we have given out who-knows-how-many pointers + * to the data using get-property. Instead we just move the property + * to the "dead properties" list, and add the new property to the + * property list + */ +int prom_update_property(struct device_node *np, + struct property *newprop, + struct property *oldprop) +{ + struct property **next; + int found = 0; + + write_lock(&devtree_lock); + next = &np->properties; + while (*next) { + if (*next == oldprop) { + /* found the node */ + newprop->next = oldprop->next; + *next = newprop; + oldprop->next = np->deadprops; + np->deadprops = oldprop; + found = 1; + break; + } + next = &(*next)->next; + } + write_unlock(&devtree_lock); + + if (!found) + return -ENODEV; + +#ifdef CONFIG_PROC_DEVICETREE + /* try to add to proc as well if it was initialized */ + if (np->pde) + proc_device_tree_update_prop(np->pde, newprop, oldprop); +#endif /* CONFIG_PROC_DEVICETREE */ + + return 0; +} diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index d963a12ec640..7881ec96ef11 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -605,7 +605,8 @@ static void __init early_cmdline_parse(void) opt = strstr(RELOC(prom_cmd_line), RELOC("crashkernel=")); if (opt) { opt += 12; - RELOC(prom_crashk_size) = prom_memparse(opt, &opt); + RELOC(prom_crashk_size) = + prom_memparse(opt, (const char **)&opt); if (ALIGN(RELOC(prom_crashk_size), 0x1000000) != RELOC(prom_crashk_size)) { diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c index 309ae1d5fa77..a8099c806150 100644 --- a/arch/powerpc/kernel/prom_parse.c +++ b/arch/powerpc/kernel/prom_parse.c @@ -113,7 +113,8 @@ static unsigned int of_bus_default_get_flags(u32 *addr) static int of_bus_pci_match(struct device_node *np) { - return !strcmp(np->type, "pci"); + /* "vci" is for the /chaos bridge on 1st-gen PCI powermacs */ + return !strcmp(np->type, "pci") || !strcmp(np->type, "vci"); } static void of_bus_pci_count_cells(struct device_node *np, diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index 4b9cfe4637b1..7fe4a5c944c9 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -36,6 +36,11 @@ struct rtas_t rtas = { .lock = SPIN_LOCK_UNLOCKED }; +struct rtas_suspend_me_data { + long waiting; + struct rtas_args *args; +}; + EXPORT_SYMBOL(rtas); DEFINE_SPINLOCK(rtas_data_buf_lock); @@ -556,6 +561,80 @@ void rtas_os_term(char *str) } while (status == RTAS_BUSY); } +static int ibm_suspend_me_token = RTAS_UNKNOWN_SERVICE; +#ifdef CONFIG_PPC_PSERIES +static void rtas_percpu_suspend_me(void *info) +{ + long rc; + long flags; + struct rtas_suspend_me_data *data = + (struct rtas_suspend_me_data *)info; + + /* + * We use "waiting" to indicate our state. As long + * as it is >0, we are still trying to all join up. + * If it goes to 0, we have successfully joined up and + * one thread got H_Continue. If any error happens, + * we set it to <0. + */ + local_irq_save(flags); + do { + rc = plpar_hcall_norets(H_JOIN); + smp_rmb(); + } while (rc == H_Success && data->waiting > 0); + if (rc == H_Success) + goto out; + + if (rc == H_Continue) { + data->waiting = 0; + rtas_call(ibm_suspend_me_token, 0, 1, + data->args->args); + } else { + data->waiting = -EBUSY; + printk(KERN_ERR "Error on H_Join hypervisor call\n"); + } + +out: + /* before we restore interrupts, make sure we don't + * generate a spurious soft lockup errors + */ + touch_softlockup_watchdog(); + local_irq_restore(flags); + return; +} + +static int rtas_ibm_suspend_me(struct rtas_args *args) +{ + int i; + + struct rtas_suspend_me_data data; + + data.waiting = 1; + data.args = args; + + /* Call function on all CPUs. One of us will make the + * rtas call + */ + if (on_each_cpu(rtas_percpu_suspend_me, &data, 1, 0)) + data.waiting = -EINVAL; + + if (data.waiting != 0) + printk(KERN_ERR "Error doing global join\n"); + + /* Prod each CPU. This won't hurt, and will wake + * anyone we successfully put to sleep with H_Join + */ + for_each_cpu(i) + plpar_hcall_norets(H_PROD, i); + + return data.waiting; +} +#else /* CONFIG_PPC_PSERIES */ +static int rtas_ibm_suspend_me(struct rtas_args *args) +{ + return -ENOSYS; +} +#endif asmlinkage int ppc_rtas(struct rtas_args __user *uargs) { @@ -563,6 +642,7 @@ asmlinkage int ppc_rtas(struct rtas_args __user *uargs) unsigned long flags; char *buff_copy, *errbuf = NULL; int nargs; + int rc; if (!capable(CAP_SYS_ADMIN)) return -EPERM; @@ -581,6 +661,17 @@ asmlinkage int ppc_rtas(struct rtas_args __user *uargs) nargs * sizeof(rtas_arg_t)) != 0) return -EFAULT; + if (args.token == RTAS_UNKNOWN_SERVICE) + return -EINVAL; + + /* Need to handle ibm,suspend_me call specially */ + if (args.token == ibm_suspend_me_token) { + rc = rtas_ibm_suspend_me(&args); + if (rc) + return rc; + goto copy_return; + } + buff_copy = get_errorlog_buffer(); spin_lock_irqsave(&rtas.lock, flags); @@ -604,6 +695,7 @@ asmlinkage int ppc_rtas(struct rtas_args __user *uargs) kfree(buff_copy); } + copy_return: /* Copy out args. */ if (copy_to_user(uargs->args + nargs, args.args + nargs, @@ -675,8 +767,10 @@ void __init rtas_initialize(void) * the stop-self token if any */ #ifdef CONFIG_PPC64 - if (_machine == PLATFORM_PSERIES_LPAR) + if (_machine == PLATFORM_PSERIES_LPAR) { rtas_region = min(lmb.rmo_size, RTAS_INSTANTIATE_MAX); + ibm_suspend_me_token = rtas_token("ibm,suspend-me"); + } #endif rtas_rmo_buf = lmb_alloc_base(RTAS_RMOBUF_MAX, PAGE_SIZE, rtas_region); diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index d5c52fae023a..be12041c0fc5 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -100,7 +100,8 @@ void machine_shutdown(void) void machine_restart(char *cmd) { machine_shutdown(); - ppc_md.restart(cmd); + if (ppc_md.restart) + ppc_md.restart(cmd); #ifdef CONFIG_SMP smp_send_stop(); #endif @@ -112,7 +113,8 @@ void machine_restart(char *cmd) void machine_power_off(void) { machine_shutdown(); - ppc_md.power_off(); + if (ppc_md.power_off) + ppc_md.power_off(); #ifdef CONFIG_SMP smp_send_stop(); #endif @@ -129,7 +131,8 @@ EXPORT_SYMBOL_GPL(pm_power_off); void machine_halt(void) { machine_shutdown(); - ppc_md.halt(); + if (ppc_md.halt) + ppc_md.halt(); #ifdef CONFIG_SMP smp_send_stop(); #endif diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 56f50e91bddb..c4a294d657b9 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -431,7 +431,7 @@ void timer_interrupt(struct pt_regs * regs) profile_tick(CPU_PROFILING, regs); #ifdef CONFIG_PPC_ISERIES - get_paca()->lppaca.int_dword.fields.decr_int = 0; + get_lppaca()->int_dword.fields.decr_int = 0; #endif while ((ticks = tb_ticks_since(per_cpu(last_jiffy, cpu))) diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c index 13c41495fe06..13c655ba2841 100644 --- a/arch/powerpc/kernel/vio.c +++ b/arch/powerpc/kernel/vio.c @@ -76,7 +76,7 @@ static void vio_bus_shutdown(struct device *dev) struct vio_dev *viodev = to_vio_dev(dev); struct vio_driver *viodrv = to_vio_driver(dev->driver); - if (viodrv->shutdown) + if (dev->driver && viodrv->shutdown) viodrv->shutdown(viodev); } @@ -91,9 +91,6 @@ int vio_register_driver(struct vio_driver *viodrv) /* fill in 'struct driver' fields */ viodrv->driver.bus = &vio_bus_type; - viodrv->driver.probe = vio_bus_probe; - viodrv->driver.remove = vio_bus_remove; - viodrv->driver.shutdown = vio_bus_shutdown; return driver_register(&viodrv->driver); } @@ -295,4 +292,7 @@ struct bus_type vio_bus_type = { .name = "vio", .uevent = vio_hotplug, .match = vio_bus_match, + .probe = vio_bus_probe, + .remove = vio_bus_remove, + .shutdown = vio_bus_shutdown, }; diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c index 35bd03c41dd1..8362fa272ca5 100644 --- a/arch/powerpc/lib/locks.c +++ b/arch/powerpc/lib/locks.c @@ -28,15 +28,13 @@ void __spin_yield(raw_spinlock_t *lock) { unsigned int lock_value, holder_cpu, yield_count; - struct paca_struct *holder_paca; lock_value = lock->slock; if (lock_value == 0) return; holder_cpu = lock_value & 0xffff; BUG_ON(holder_cpu >= NR_CPUS); - holder_paca = &paca[holder_cpu]; - yield_count = holder_paca->lppaca.yield_count; + yield_count = lppaca[holder_cpu].yield_count; if ((yield_count & 1) == 0) return; /* virtual cpu is currently running */ rmb(); @@ -60,15 +58,13 @@ void __rw_yield(raw_rwlock_t *rw) { int lock_value; unsigned int holder_cpu, yield_count; - struct paca_struct *holder_paca; lock_value = rw->lock; if (lock_value >= 0) return; /* no write lock at present */ holder_cpu = lock_value & 0xffff; BUG_ON(holder_cpu >= NR_CPUS); - holder_paca = &paca[holder_cpu]; - yield_count = holder_paca->lppaca.yield_count; + yield_count = lppaca[holder_cpu].yield_count; if ((yield_count & 1) == 0) return; /* virtual cpu is currently running */ rmb(); diff --git a/arch/powerpc/oprofile/common.c b/arch/powerpc/oprofile/common.c index 71615eb70b2b..cc2535be3a73 100644 --- a/arch/powerpc/oprofile/common.c +++ b/arch/powerpc/oprofile/common.c @@ -140,19 +140,19 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) switch (cur_cpu_spec->oprofile_type) { #ifdef CONFIG_PPC64 - case RS64: + case PPC_OPROFILE_RS64: model = &op_model_rs64; break; - case POWER4: + case PPC_OPROFILE_POWER4: model = &op_model_power4; break; #else - case G4: + case PPC_OPROFILE_G4: model = &op_model_7450; break; #endif #ifdef CONFIG_FSL_BOOKE - case BOOKE: + case PPC_OPROFILE_BOOKE: model = &op_model_fsl_booke; break; #endif diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig index b20812d460e6..7675e675dce1 100644 --- a/arch/powerpc/platforms/83xx/Kconfig +++ b/arch/powerpc/platforms/83xx/Kconfig @@ -7,6 +7,7 @@ choice config MPC834x_SYS bool "Freescale MPC834x SYS" + select DEFAULT_UIMAGE help This option enables support for the MPC 834x SYS evaluation board. diff --git a/arch/powerpc/platforms/83xx/mpc834x_sys.c b/arch/powerpc/platforms/83xx/mpc834x_sys.c new file mode 100644 index 000000000000..2098dd05a773 --- /dev/null +++ b/arch/powerpc/platforms/83xx/mpc834x_sys.c @@ -0,0 +1,243 @@ +/* + * arch/powerpc/platforms/83xx/mpc834x_sys.c + * + * MPC834x SYS board specific routines + * + * Maintainer: Kumar Gala <galak@kernel.crashing.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/config.h> +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/reboot.h> +#include <linux/pci.h> +#include <linux/kdev_t.h> +#include <linux/major.h> +#include <linux/console.h> +#include <linux/delay.h> +#include <linux/seq_file.h> +#include <linux/root_dev.h> +#include <linux/module.h> +#include <linux/fsl_devices.h> + +#include <asm/system.h> +#include <asm/pgtable.h> +#include <asm/page.h> +#include <asm/atomic.h> +#include <asm/time.h> +#include <asm/io.h> +#include <asm/machdep.h> +#include <asm/ipic.h> +#include <asm/bootinfo.h> +#include <asm/pci-bridge.h> +#include <asm/mpc83xx.h> +#include <asm/irq.h> +#include <mm/mmu_decl.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <sysdev/fsl_soc.h> + +#include "mpc83xx.h" + +#ifndef CONFIG_PCI +unsigned long isa_io_base = 0; +unsigned long isa_mem_base = 0; +#endif + +#ifdef CONFIG_PCI +extern int mpc83xx_pci2_busno; + +static int +mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) +{ + static char pci_irq_table[][4] = + /* + * PCI IDSEL/INTPIN->INTLINE + * A B C D + */ + { + {PIRQA, PIRQB, PIRQC, PIRQD}, /* idsel 0x11 */ + {PIRQC, PIRQD, PIRQA, PIRQB}, /* idsel 0x12 */ + {PIRQD, PIRQA, PIRQB, PIRQC}, /* idsel 0x13 */ + {0, 0, 0, 0}, + {PIRQA, PIRQB, PIRQC, PIRQD}, /* idsel 0x15 */ + {PIRQD, PIRQA, PIRQB, PIRQC}, /* idsel 0x16 */ + {PIRQC, PIRQD, PIRQA, PIRQB}, /* idsel 0x17 */ + {PIRQB, PIRQC, PIRQD, PIRQA}, /* idsel 0x18 */ + {0, 0, 0, 0}, /* idsel 0x19 */ + {0, 0, 0, 0}, /* idsel 0x20 */ + }; + + const long min_idsel = 0x11, max_idsel = 0x20, irqs_per_slot = 4; + return PCI_IRQ_TABLE_LOOKUP; +} + +static int +mpc83xx_exclude_device(u_char bus, u_char devfn) +{ + if (bus == 0 && PCI_SLOT(devfn) == 0) + return PCIBIOS_DEVICE_NOT_FOUND; + if (mpc83xx_pci2_busno) + if (bus == (mpc83xx_pci2_busno) && PCI_SLOT(devfn) == 0) + return PCIBIOS_DEVICE_NOT_FOUND; + return PCIBIOS_SUCCESSFUL; +} +#endif /* CONFIG_PCI */ + +/* ************************************************************************ + * + * Setup the architecture + * + */ +static void __init +mpc834x_sys_setup_arch(void) +{ + struct device_node *np; + + if (ppc_md.progress) + ppc_md.progress("mpc834x_sys_setup_arch()", 0); + + np = of_find_node_by_type(NULL, "cpu"); + if (np != 0) { + unsigned int *fp = (int *) get_property(np, "clock-frequency", NULL); + if (fp != 0) + loops_per_jiffy = *fp / HZ; + else + loops_per_jiffy = 50000000 / HZ; + of_node_put(np); + } + +#ifdef CONFIG_PCI + for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) + add_bridge(np); + + ppc_md.pci_swizzle = common_swizzle; + ppc_md.pci_map_irq = mpc83xx_map_irq; + ppc_md.pci_exclude_device = mpc83xx_exclude_device; +#endif + +#ifdef CONFIG_ROOT_NFS + ROOT_DEV = Root_NFS; +#else + ROOT_DEV = Root_HDA1; +#endif +} + +void __init +mpc834x_sys_init_IRQ(void) +{ + u8 senses[8] = { + 0, /* EXT 0 */ + IRQ_SENSE_LEVEL, /* EXT 1 */ + IRQ_SENSE_LEVEL, /* EXT 2 */ + 0, /* EXT 3 */ +#ifdef CONFIG_PCI + IRQ_SENSE_LEVEL, /* EXT 4 */ + IRQ_SENSE_LEVEL, /* EXT 5 */ + IRQ_SENSE_LEVEL, /* EXT 6 */ + IRQ_SENSE_LEVEL, /* EXT 7 */ +#else + 0, /* EXT 4 */ + 0, /* EXT 5 */ + 0, /* EXT 6 */ + 0, /* EXT 7 */ +#endif + }; + + ipic_init(get_immrbase() + 0x00700, 0, 0, senses, 8); + + /* Initialize the default interrupt mapping priorities, + * in case the boot rom changed something on us. + */ + ipic_set_default_priority(); +} + +#if defined(CONFIG_I2C_MPC) && defined(CONFIG_SENSORS_DS1374) +extern ulong ds1374_get_rtc_time(void); +extern int ds1374_set_rtc_time(ulong); + +static int __init +mpc834x_rtc_hookup(void) +{ + struct timespec tv; + + ppc_md.get_rtc_time = ds1374_get_rtc_time; + ppc_md.set_rtc_time = ds1374_set_rtc_time; + + tv.tv_nsec = 0; + tv.tv_sec = (ppc_md.get_rtc_time)(); + do_settimeofday(&tv); + + return 0; +} +late_initcall(mpc834x_rtc_hookup); +#endif + +static void +mpc83xx_restart(char *cmd) +{ +#define RST_OFFSET 0x00000900 +#define RST_PROT_REG 0x00000018 +#define RST_CTRL_REG 0x0000001c + __be32 __iomem *reg; + + // map reset register space + reg = ioremap(get_immrbase() + 0x900, 0xff); + + local_irq_disable(); + + /* enable software reset "RSTE" */ + out_be32(reg + (RST_PROT_REG >> 2), 0x52535445); + + /* set software hard reset */ + out_be32(reg + (RST_CTRL_REG >> 2), 0x52535445); + for(;;); +} + +static long __init +mpc83xx_time_init(void) +{ +#define SPCR_OFFSET 0x00000110 +#define SPCR_TBEN 0x00400000 + __be32 __iomem *spcr = ioremap(get_immrbase() + SPCR_OFFSET, 4); + __be32 tmp; + + tmp = in_be32(spcr); + out_be32(spcr, tmp|SPCR_TBEN); + + iounmap(spcr); + + return 0; +} +void __init +platform_init(void) +{ + /* setup the PowerPC module struct */ + ppc_md.setup_arch = mpc834x_sys_setup_arch; + + ppc_md.init_IRQ = mpc834x_sys_init_IRQ; + ppc_md.get_irq = ipic_get_irq; + + ppc_md.restart = mpc83xx_restart; + + ppc_md.time_init = mpc83xx_time_init; + ppc_md.set_rtc_time = NULL; + ppc_md.get_rtc_time = NULL; + ppc_md.calibrate_decr = generic_calibrate_decr; + + ppc_md.progress = udbg_progress; + + if (ppc_md.progress) + ppc_md.progress("mpc834x_sys_init(): exit", 0); + + return; +} + + diff --git a/arch/powerpc/platforms/83xx/mpc834x_sys.h b/arch/powerpc/platforms/83xx/mpc834x_sys.h new file mode 100644 index 000000000000..e4ca39f6a862 --- /dev/null +++ b/arch/powerpc/platforms/83xx/mpc834x_sys.h @@ -0,0 +1,23 @@ +/* + * arch/powerppc/platforms/83xx/mpc834x_sys.h + * + * MPC834X SYS common board definitions + * + * Maintainer: Kumar Gala <galak@kernel.crashing.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifndef __MACH_MPC83XX_SYS_H__ +#define __MACH_MPC83XX_SYS_H__ + +#define PIRQA MPC83xx_IRQ_EXT4 +#define PIRQB MPC83xx_IRQ_EXT5 +#define PIRQC MPC83xx_IRQ_EXT6 +#define PIRQD MPC83xx_IRQ_EXT7 + +#endif /* __MACH_MPC83XX_SYS_H__ */ diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h new file mode 100644 index 000000000000..ce9e66abef24 --- /dev/null +++ b/arch/powerpc/platforms/83xx/mpc83xx.h @@ -0,0 +1,14 @@ +#ifndef __MPC83XX_H__ +#define __MPC83XX_H__ + +#include <linux/init.h> +#include <linux/device.h> + +/* + * Declaration for the various functions exported by the + * mpc83xx_* files. Mostly for use by mpc83xx_setup + */ + +extern int add_bridge(struct device_node *dev); + +#endif /* __MPC83XX_H__ */ diff --git a/arch/powerpc/platforms/83xx/pci.c b/arch/powerpc/platforms/83xx/pci.c new file mode 100644 index 000000000000..469cdacc5bd4 --- /dev/null +++ b/arch/powerpc/platforms/83xx/pci.c @@ -0,0 +1,99 @@ +/* + * FSL SoC setup code + * + * Maintained by Kumar Gala (see MAINTAINERS for contact information) + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/config.h> +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/module.h> + +#include <asm/system.h> +#include <asm/atomic.h> +#include <asm/io.h> +#include <asm/pci-bridge.h> +#include <asm/prom.h> +#include <sysdev/fsl_soc.h> + +#undef DEBUG + +#ifdef DEBUG +#define DBG(x...) printk(x) +#else +#define DBG(x...) +#endif + +int mpc83xx_pci2_busno; + +#ifdef CONFIG_PCI +int __init add_bridge(struct device_node *dev) +{ + int len; + struct pci_controller *hose; + struct resource rsrc; + int *bus_range; + int primary = 1, has_address = 0; + phys_addr_t immr = get_immrbase(); + + DBG("Adding PCI host bridge %s\n", dev->full_name); + + /* Fetch host bridge registers address */ + has_address = (of_address_to_resource(dev, 0, &rsrc) == 0); + + /* Get bus range if any */ + bus_range = (int *) get_property(dev, "bus-range", &len); + if (bus_range == NULL || len < 2 * sizeof(int)) { + printk(KERN_WARNING "Can't get bus-range for %s, assume" + " bus 0\n", dev->full_name); + } + + hose = pcibios_alloc_controller(); + if (!hose) + return -ENOMEM; + hose->arch_data = dev; + hose->set_cfg_type = 1; + + hose->first_busno = bus_range ? bus_range[0] : 0; + hose->last_busno = bus_range ? bus_range[1] : 0xff; + + /* MPC83xx supports up to two host controllers one at 0x8500 from immrbar + * the other at 0x8600, we consider the 0x8500 the primary controller + */ + /* PCI 1 */ + if ((rsrc.start & 0xfffff) == 0x8500) { + setup_indirect_pci(hose, immr + 0x8300, immr + 0x8304); + } + /* PCI 2*/ + if ((rsrc.start & 0xfffff) == 0x8600) { + setup_indirect_pci(hose, immr + 0x8380, immr + 0x8384); + primary = 0; + hose->bus_offset = hose->first_busno; + mpc83xx_pci2_busno = hose->first_busno; + } + + printk(KERN_INFO "Found MPC83xx PCI host bridge at 0x%08lx. " + "Firmware bus number: %d->%d\n", + rsrc.start, hose->first_busno, hose->last_busno); + + DBG(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n", + hose, hose->cfg_addr, hose->cfg_data); + + /* Interpret the "ranges" property */ + /* This also maps the I/O region and sets isa_io/mem_base */ + pci_process_bridge_OF_ranges(hose, dev, primary); + + return 0; +} + +#endif diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c index 82c429d487f3..00c52f27ef4f 100644 --- a/arch/powerpc/platforms/chrp/pci.c +++ b/arch/powerpc/platforms/chrp/pci.c @@ -135,12 +135,13 @@ int __init hydra_init(void) { struct device_node *np; + struct resource r; np = find_devices("mac-io"); - if (np == NULL || np->n_addrs == 0) + if (np == NULL || of_address_to_resource(np, 0, &r)) return 0; - Hydra = ioremap(np->addrs[0].address, np->addrs[0].size); - printk("Hydra Mac I/O at %lx\n", np->addrs[0].address); + Hydra = ioremap(r.start, r.end-r.start); + printk("Hydra Mac I/O at %lx\n", r.start); printk("Hydra Feature_Control was %x", in_le32(&Hydra->Feature_Control)); out_le32(&Hydra->Feature_Control, (HYDRA_FC_SCC_CELL_EN | @@ -177,18 +178,24 @@ setup_python(struct pci_controller *hose, struct device_node *dev) { u32 __iomem *reg; u32 val; - unsigned long addr = dev->addrs[0].address; + struct resource r; - setup_indirect_pci(hose, addr + 0xf8000, addr + 0xf8010); + if (of_address_to_resource(dev, 0, &r)) { + printk(KERN_ERR "No address for Python PCI controller\n"); + return; + } /* Clear the magic go-slow bit */ - reg = ioremap(dev->addrs[0].address + 0xf6000, 0x40); + reg = ioremap(r.start + 0xf6000, 0x40); + BUG_ON(!reg); val = in_be32(®[12]); if (val & PRG_CL_RESET_VALID) { out_be32(®[12], val & ~PRG_CL_RESET_VALID); in_be32(®[12]); } iounmap(reg); + + setup_indirect_pci(hose, r.start + 0xf8000, r.start + 0xf8010); } /* Marvell Discovery II based Pegasos 2 */ @@ -218,7 +225,7 @@ chrp_find_bridges(void) char *model, *machine; int is_longtrail = 0, is_mot = 0, is_pegasos = 0; struct device_node *root = find_path_device("/"); - + struct resource r; /* * The PCI host bridge nodes on some machines don't have * properties to adequately identify them, so we have to @@ -238,7 +245,7 @@ chrp_find_bridges(void) continue; ++index; /* The GG2 bridge on the LongTrail doesn't have an address */ - if (dev->n_addrs < 1 && !is_longtrail) { + if (of_address_to_resource(dev, 0, &r) && !is_longtrail) { printk(KERN_WARNING "Can't use %s: no address\n", dev->full_name); continue; @@ -255,8 +262,8 @@ chrp_find_bridges(void) printk(KERN_INFO "PCI buses %d..%d", bus_range[0], bus_range[1]); printk(" controlled by %s", dev->type); - if (dev->n_addrs > 0) - printk(" at %lx", dev->addrs[0].address); + if (!is_longtrail) + printk(" at %lx", r.start); printk("\n"); hose = pcibios_alloc_controller(); diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index 4ec8ba737e7d..2dc87aa5962f 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -352,9 +352,10 @@ static void __init chrp_find_openpic(void) opaddr = opprop[na-1]; /* assume 32-bit */ oplen /= na * sizeof(unsigned int); } else { - if (np->n_addrs == 0) + struct resource r; + if (of_address_to_resource(np, 0, &r)) return; - opaddr = np->addrs[0].address; + opaddr = r.start; oplen = 0; } @@ -377,7 +378,7 @@ static void __init chrp_find_openpic(void) */ if (oplen < len) { printk(KERN_ERR "Insufficient addresses for distributed" - " OpenPIC (%d < %d)\n", np->n_addrs, len); + " OpenPIC (%d < %d)\n", oplen, len); len = oplen; } diff --git a/arch/powerpc/platforms/chrp/time.c b/arch/powerpc/platforms/chrp/time.c index 737ee5d9f0aa..36a0f97bb7b1 100644 --- a/arch/powerpc/platforms/chrp/time.c +++ b/arch/powerpc/platforms/chrp/time.c @@ -21,6 +21,7 @@ #include <linux/mc146818rtc.h> #include <linux/init.h> #include <linux/bcd.h> +#include <linux/ioport.h> #include <asm/io.h> #include <asm/nvram.h> @@ -37,14 +38,16 @@ static int nvram_data = NVRAM_DATA; long __init chrp_time_init(void) { struct device_node *rtcs; + struct resource r; int base; rtcs = find_compatible_devices("rtc", "pnpPNP,b00"); if (rtcs == NULL) rtcs = find_compatible_devices("rtc", "ds1385-rtc"); - if (rtcs == NULL || rtcs->addrs == NULL) + if (rtcs == NULL || of_address_to_resource(rtcs, 0, &r)) return 0; - base = rtcs->addrs[0].address; + + base = r.start; nvram_as1 = 0; nvram_as0 = base; nvram_data = base + 1; diff --git a/arch/powerpc/platforms/iseries/irq.c b/arch/powerpc/platforms/iseries/irq.c index 83442ea77476..be3fbfc24e6c 100644 --- a/arch/powerpc/platforms/iseries/irq.c +++ b/arch/powerpc/platforms/iseries/irq.c @@ -334,14 +334,12 @@ int __init iSeries_allocate_IRQ(HvBusNumber bus, */ int iSeries_get_irq(struct pt_regs *regs) { - struct paca_struct *lpaca; /* -2 means ignore this interrupt */ int irq = -2; - lpaca = get_paca(); #ifdef CONFIG_SMP - if (lpaca->lppaca.int_dword.fields.ipi_cnt) { - lpaca->lppaca.int_dword.fields.ipi_cnt = 0; + if (get_lppaca()->int_dword.fields.ipi_cnt) { + get_lppaca()->int_dword.fields.ipi_cnt = 0; iSeries_smp_message_recv(regs); } #endif /* CONFIG_SMP */ diff --git a/arch/powerpc/platforms/iseries/misc.S b/arch/powerpc/platforms/iseries/misc.S index dfe7aa1ba098..7641fc7e550a 100644 --- a/arch/powerpc/platforms/iseries/misc.S +++ b/arch/powerpc/platforms/iseries/misc.S @@ -44,7 +44,8 @@ _GLOBAL(local_irq_restore) /* Check pending interrupts */ /* A decrementer, IPI or PMC interrupt may have occurred * while we were in the hypervisor (which enables) */ - ld r4,PACALPPACA+LPPACAANYINT(r13) + ld r4,PACALPPACAPTR(r13) + ld r4,LPPACAANYINT(r4) cmpdi r4,0 beqlr diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c index c6bbe5c25107..3f8790146b00 100644 --- a/arch/powerpc/platforms/iseries/setup.c +++ b/arch/powerpc/platforms/iseries/setup.c @@ -538,7 +538,7 @@ static unsigned long __init build_iSeries_Memory_Map(void) */ static void __init iSeries_setup_arch(void) { - if (get_paca()->lppaca.shared_proc) { + if (get_lppaca()->shared_proc) { ppc_md.idle_loop = iseries_shared_idle; printk(KERN_INFO "Using shared processor idle loop\n"); } else { @@ -647,7 +647,7 @@ static void yield_shared_processor(void) * The decrementer stops during the yield. Force a fake decrementer * here and let the timer_interrupt code sort out the actual time. */ - get_paca()->lppaca.int_dword.fields.decr_int = 1; + get_lppaca()->int_dword.fields.decr_int = 1; process_iSeries_events(); } @@ -883,7 +883,7 @@ void dt_cpus(struct iseries_flat_dt *dt) pft_size[1] = __ilog2(HvCallHpt_getHptPages() * HW_PAGE_SIZE); for (i = 0; i < NR_CPUS; i++) { - if (paca[i].lppaca.dyn_proc_status >= 2) + if (lppaca[i].dyn_proc_status >= 2) continue; snprintf(p, 32 - (p - buf), "@%d", i); @@ -891,7 +891,7 @@ void dt_cpus(struct iseries_flat_dt *dt) dt_prop_str(dt, "device_type", "cpu"); - index = paca[i].lppaca.dyn_hv_phys_proc_index; + index = lppaca[i].dyn_hv_phys_proc_index; d = &xIoHriProcessorVpd[index]; dt_prop_u32(dt, "i-cache-size", d->xInstCacheSize * 1024); diff --git a/arch/powerpc/platforms/iseries/smp.c b/arch/powerpc/platforms/iseries/smp.c index fcb094ec6aec..6f9d407a709f 100644 --- a/arch/powerpc/platforms/iseries/smp.c +++ b/arch/powerpc/platforms/iseries/smp.c @@ -91,7 +91,7 @@ static void smp_iSeries_kick_cpu(int nr) BUG_ON((nr < 0) || (nr >= NR_CPUS)); /* Verify that our partition has a processor nr */ - if (paca[nr].lppaca.dyn_proc_status >= 2) + if (lppaca[nr].dyn_proc_status >= 2) return; /* The processor is currently spinning, waiting diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c index f40451da037c..7d4099a34f92 100644 --- a/arch/powerpc/platforms/maple/pci.c +++ b/arch/powerpc/platforms/maple/pci.c @@ -316,7 +316,6 @@ static int __init add_bridge(struct device_node *dev) char* disp_name; int *bus_range; int primary = 1; - struct property *of_prop; DBG("Adding PCI host bridge %s\n", dev->full_name); diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c index a1cb4d236720..ec5c1e10c407 100644 --- a/arch/powerpc/platforms/maple/setup.c +++ b/arch/powerpc/platforms/maple/setup.c @@ -71,38 +71,60 @@ #define DBG(fmt...) #endif +static unsigned long maple_find_nvram_base(void) +{ + struct device_node *rtcs; + unsigned long result = 0; + + /* find NVRAM device */ + rtcs = of_find_compatible_node(NULL, "nvram", "AMD8111"); + if (rtcs) { + struct resource r; + if (of_address_to_resource(rtcs, 0, &r)) { + printk(KERN_EMERG "Maple: Unable to translate NVRAM" + " address\n"); + goto bail; + } + if (!(r.flags & IORESOURCE_IO)) { + printk(KERN_EMERG "Maple: NVRAM address isn't PIO!\n"); + goto bail; + } + result = r.start; + } else + printk(KERN_EMERG "Maple: Unable to find NVRAM\n"); + bail: + of_node_put(rtcs); + return result; +} + static void maple_restart(char *cmd) { unsigned int maple_nvram_base; unsigned int maple_nvram_offset; unsigned int maple_nvram_command; - struct device_node *rtcs; + struct device_node *sp; - /* find NVRAM device */ - rtcs = find_compatible_devices("nvram", "AMD8111"); - if (rtcs && rtcs->addrs) { - maple_nvram_base = rtcs->addrs[0].address; - } else { - printk(KERN_EMERG "Maple: Unable to find NVRAM\n"); - printk(KERN_EMERG "Maple: Manual Restart Required\n"); - return; - } + maple_nvram_base = maple_find_nvram_base(); + if (maple_nvram_base == 0) + goto fail; /* find service processor device */ - rtcs = find_devices("service-processor"); - if (!rtcs) { + sp = of_find_node_by_name(NULL, "service-processor"); + if (!sp) { printk(KERN_EMERG "Maple: Unable to find Service Processor\n"); - printk(KERN_EMERG "Maple: Manual Restart Required\n"); - return; + goto fail; } - maple_nvram_offset = *(unsigned int*) get_property(rtcs, + maple_nvram_offset = *(unsigned int*) get_property(sp, "restart-addr", NULL); - maple_nvram_command = *(unsigned int*) get_property(rtcs, + maple_nvram_command = *(unsigned int*) get_property(sp, "restart-value", NULL); + of_node_put(sp); /* send command */ outb_p(maple_nvram_command, maple_nvram_base + maple_nvram_offset); for (;;) ; + fail: + printk(KERN_EMERG "Maple: Manual Restart Required\n"); } static void maple_power_off(void) @@ -110,33 +132,29 @@ static void maple_power_off(void) unsigned int maple_nvram_base; unsigned int maple_nvram_offset; unsigned int maple_nvram_command; - struct device_node *rtcs; + struct device_node *sp; - /* find NVRAM device */ - rtcs = find_compatible_devices("nvram", "AMD8111"); - if (rtcs && rtcs->addrs) { - maple_nvram_base = rtcs->addrs[0].address; - } else { - printk(KERN_EMERG "Maple: Unable to find NVRAM\n"); - printk(KERN_EMERG "Maple: Manual Power-Down Required\n"); - return; - } + maple_nvram_base = maple_find_nvram_base(); + if (maple_nvram_base == 0) + goto fail; /* find service processor device */ - rtcs = find_devices("service-processor"); - if (!rtcs) { + sp = of_find_node_by_name(NULL, "service-processor"); + if (!sp) { printk(KERN_EMERG "Maple: Unable to find Service Processor\n"); - printk(KERN_EMERG "Maple: Manual Power-Down Required\n"); - return; + goto fail; } - maple_nvram_offset = *(unsigned int*) get_property(rtcs, + maple_nvram_offset = *(unsigned int*) get_property(sp, "power-off-addr", NULL); - maple_nvram_command = *(unsigned int*) get_property(rtcs, + maple_nvram_command = *(unsigned int*) get_property(sp, "power-off-value", NULL); + of_node_put(sp); /* send command */ outb_p(maple_nvram_command, maple_nvram_base + maple_nvram_offset); for (;;) ; + fail: + printk(KERN_EMERG "Maple: Manual Power-Down Required\n"); } static void maple_halt(void) @@ -179,9 +197,6 @@ void __init maple_setup_arch(void) */ static void __init maple_init_early(void) { - unsigned int default_speed; - u64 physport; - DBG(" -> maple_init_early\n"); /* Initialize hash table, from now on, we can take hash faults diff --git a/arch/powerpc/platforms/maple/time.c b/arch/powerpc/platforms/maple/time.c index 15846cc938ac..50bc4eb85353 100644 --- a/arch/powerpc/platforms/maple/time.c +++ b/arch/powerpc/platforms/maple/time.c @@ -168,11 +168,24 @@ unsigned long __init maple_get_boot_time(void) struct rtc_time tm; struct device_node *rtcs; - rtcs = find_compatible_devices("rtc", "pnpPNP,b00"); - if (rtcs && rtcs->addrs) { - maple_rtc_addr = rtcs->addrs[0].address; - printk(KERN_INFO "Maple: Found RTC at 0x%x\n", maple_rtc_addr); - } else { + rtcs = of_find_compatible_node(NULL, "rtc", "pnpPNP,b00"); + if (rtcs) { + struct resource r; + if (of_address_to_resource(rtcs, 0, &r)) { + printk(KERN_EMERG "Maple: Unable to translate RTC" + " address\n"); + goto bail; + } + if (!(r.flags & IORESOURCE_IO)) { + printk(KERN_EMERG "Maple: RTC address isn't PIO!\n"); + goto bail; + } + maple_rtc_addr = r.start; + printk(KERN_INFO "Maple: Found RTC at IO 0x%x\n", + maple_rtc_addr); + } + bail: + if (maple_rtc_addr == 0) { maple_rtc_addr = RTC_PORT(0); /* legacy address */ printk(KERN_INFO "Maple: No device node for RTC, assuming " "legacy address (0x%x)\n", maple_rtc_addr); diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 1fe445ab78a6..8952528d31ac 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -254,11 +254,11 @@ out: void vpa_init(int cpu) { int hwcpu = get_hard_smp_processor_id(cpu); - unsigned long vpa = __pa(&paca[cpu].lppaca); + unsigned long vpa = __pa(&lppaca[cpu]); long ret; if (cpu_has_feature(CPU_FTR_ALTIVEC)) - paca[cpu].lppaca.vmxregs_in_use = 1; + lppaca[cpu].vmxregs_in_use = 1; ret = register_vpa(hwcpu, vpa); diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index d8864164dbe8..86cfa6ecdcf3 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -350,6 +350,100 @@ static int do_remove_node(char *buf) return rv; } +static char *parse_node(char *buf, size_t bufsize, struct device_node **npp) +{ + char *handle_str; + phandle handle; + *npp = NULL; + + handle_str = buf; + + buf = strchr(buf, ' '); + if (!buf) + return NULL; + *buf = '\0'; + buf++; + + handle = simple_strtoul(handle_str, NULL, 10); + + *npp = of_find_node_by_phandle(handle); + return buf; +} + +static int do_add_property(char *buf, size_t bufsize) +{ + struct property *prop = NULL; + struct device_node *np; + unsigned char *value; + char *name, *end; + int length; + end = buf + bufsize; + buf = parse_node(buf, bufsize, &np); + + if (!np) + return -ENODEV; + + if (parse_next_property(buf, end, &name, &length, &value) == NULL) + return -EINVAL; + + prop = new_property(name, length, value, NULL); + if (!prop) + return -ENOMEM; + + prom_add_property(np, prop); + + return 0; +} + +static int do_remove_property(char *buf, size_t bufsize) +{ + struct device_node *np; + char *tmp; + struct property *prop; + buf = parse_node(buf, bufsize, &np); + + if (!np) + return -ENODEV; + + tmp = strchr(buf,' '); + if (tmp) + *tmp = '\0'; + + if (strlen(buf) == 0) + return -EINVAL; + + prop = of_find_property(np, buf, NULL); + + return prom_remove_property(np, prop); +} + +static int do_update_property(char *buf, size_t bufsize) +{ + struct device_node *np; + unsigned char *value; + char *name, *end; + int length; + struct property *newprop, *oldprop; + buf = parse_node(buf, bufsize, &np); + end = buf + bufsize; + + if (!np) + return -ENODEV; + + if (parse_next_property(buf, end, &name, &length, &value) == NULL) + return -EINVAL; + + newprop = new_property(name, length, value, NULL); + if (!newprop) + return -ENOMEM; + + oldprop = of_find_property(np, name,NULL); + if (!oldprop) + return -ENODEV; + + return prom_update_property(np, newprop, oldprop); +} + /** * ofdt_write - perform operations on the Open Firmware device tree * @@ -392,6 +486,12 @@ static ssize_t ofdt_write(struct file *file, const char __user *buf, size_t coun rv = do_add_node(tmp, count - (tmp - kbuf)); else if (!strcmp(kbuf, "remove_node")) rv = do_remove_node(tmp); + else if (!strcmp(kbuf, "add_property")) + rv = do_add_property(tmp, count - (tmp - kbuf)); + else if (!strcmp(kbuf, "remove_property")) + rv = do_remove_property(tmp, count - (tmp - kbuf)); + else if (!strcmp(kbuf, "update_property")) + rv = do_update_property(tmp, count - (tmp - kbuf)); else rv = -EINVAL; out: diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 68b7f086d63d..da6cebaf72cd 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -190,7 +190,7 @@ static void pseries_lpar_enable_pmcs(void) /* instruct hypervisor to maintain PMCs */ if (firmware_has_feature(FW_FEATURE_SPLPAR)) - get_paca()->lppaca.pmcregs_in_use = 1; + get_lppaca()->pmcregs_in_use = 1; } static void __init pSeries_setup_arch(void) @@ -234,7 +234,7 @@ static void __init pSeries_setup_arch(void) /* Choose an idle loop */ if (firmware_has_feature(FW_FEATURE_SPLPAR)) { vpa_init(boot_cpuid); - if (get_paca()->lppaca.shared_proc) { + if (get_lppaca()->shared_proc) { printk(KERN_INFO "Using shared processor idle loop\n"); ppc_md.idle_loop = pseries_shared_idle; } else { @@ -444,10 +444,10 @@ DECLARE_PER_CPU(unsigned long, smt_snooze_delay); static inline void dedicated_idle_sleep(unsigned int cpu) { - struct paca_struct *ppaca = &paca[cpu ^ 1]; + struct lppaca *plppaca = &lppaca[cpu ^ 1]; /* Only sleep if the other thread is not idle */ - if (!(ppaca->lppaca.idle)) { + if (!(plppaca->idle)) { local_irq_disable(); /* @@ -480,7 +480,6 @@ static inline void dedicated_idle_sleep(unsigned int cpu) static void pseries_dedicated_idle(void) { - struct paca_struct *lpaca = get_paca(); unsigned int cpu = smp_processor_id(); unsigned long start_snooze; unsigned long *smt_snooze_delay = &__get_cpu_var(smt_snooze_delay); @@ -491,7 +490,7 @@ static void pseries_dedicated_idle(void) * Indicate to the HV that we are idle. Now would be * a good time to find other work to dispatch. */ - lpaca->lppaca.idle = 1; + get_lppaca()->idle = 1; if (!need_resched()) { start_snooze = get_tb() + @@ -518,7 +517,7 @@ static void pseries_dedicated_idle(void) HMT_medium(); } - lpaca->lppaca.idle = 0; + get_lppaca()->idle = 0; ppc64_runlatch_on(); preempt_enable_no_resched(); @@ -532,7 +531,6 @@ static void pseries_dedicated_idle(void) static void pseries_shared_idle(void) { - struct paca_struct *lpaca = get_paca(); unsigned int cpu = smp_processor_id(); while (1) { @@ -540,7 +538,7 @@ static void pseries_shared_idle(void) * Indicate to the HV that we are idle. Now would be * a good time to find other work to dispatch. */ - lpaca->lppaca.idle = 1; + get_lppaca()->idle = 1; while (!need_resched() && !cpu_is_offline(cpu)) { local_irq_disable(); @@ -564,7 +562,7 @@ static void pseries_shared_idle(void) HMT_medium(); } - lpaca->lppaca.idle = 0; + get_lppaca()->idle = 0; ppc64_runlatch_on(); preempt_enable_no_resched(); @@ -588,7 +586,7 @@ static void pseries_kexec_cpu_down(int crash_shutdown, int secondary) { /* Don't risk a hypervisor call if we're crashing */ if (!crash_shutdown) { - unsigned long vpa = __pa(&get_paca()->lppaca); + unsigned long vpa = __pa(get_lppaca()); if (unregister_vpa(hard_smp_processor_id(), vpa)) { printk("VPA deregistration of cpu %u (hw_cpu_id %d) " diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index 0ae841347a09..4c2b356774ea 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -7,3 +7,4 @@ obj-$(CONFIG_40x) += dcr.o obj-$(CONFIG_U3_DART) += dart_iommu.o obj-$(CONFIG_MMIO_NVRAM) += mmio_nvram.o obj-$(CONFIG_PPC_83xx) += ipic.o +obj-$(CONFIG_FSL_SOC) += fsl_soc.o diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c new file mode 100644 index 000000000000..064c9de47732 --- /dev/null +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -0,0 +1,317 @@ +/* + * FSL SoC setup code + * + * Maintained by Kumar Gala (see MAINTAINERS for contact information) + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/config.h> +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/major.h> +#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/fsl_devices.h> + +#include <asm/system.h> +#include <asm/atomic.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/prom.h> +#include <sysdev/fsl_soc.h> +#include <mm/mmu_decl.h> + +static phys_addr_t immrbase = -1; + +phys_addr_t get_immrbase(void) +{ + struct device_node *soc; + + if (immrbase != -1) + return immrbase; + + soc = of_find_node_by_type(NULL, "soc"); + if (soc != 0) { + unsigned int size; + void *prop = get_property(soc, "reg", &size); + immrbase = of_translate_address(soc, prop); + of_node_put(soc); + }; + + return immrbase; +} +EXPORT_SYMBOL(get_immrbase); + +static const char * gfar_tx_intr = "tx"; +static const char * gfar_rx_intr = "rx"; +static const char * gfar_err_intr = "error"; + +static int __init gfar_of_init(void) +{ + struct device_node *np; + unsigned int i; + struct platform_device *mdio_dev, *gfar_dev; + struct resource res; + int ret; + + for (np = NULL, i = 0; (np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL; i++) { + int k; + struct device_node *child = NULL; + struct gianfar_mdio_data mdio_data; + + memset(&res, 0, sizeof(res)); + memset(&mdio_data, 0, sizeof(mdio_data)); + + ret = of_address_to_resource(np, 0, &res); + if (ret) + goto mdio_err; + + mdio_dev = platform_device_register_simple("fsl-gianfar_mdio", res.start, &res, 1); + if (IS_ERR(mdio_dev)) { + ret = PTR_ERR(mdio_dev); + goto mdio_err; + } + + for (k = 0; k < 32; k++) + mdio_data.irq[k] = -1; + + while ((child = of_get_next_child(np, child)) != NULL) { + if (child->n_intrs) { + u32 *id = (u32 *) get_property(child, "reg", NULL); + mdio_data.irq[*id] = child->intrs[0].line; + } + } + + ret = platform_device_add_data(mdio_dev, &mdio_data, sizeof(struct gianfar_mdio_data)); + if (ret) + goto mdio_unreg; + } + + for (np = NULL, i = 0; (np = of_find_compatible_node(np, "network", "gianfar")) != NULL; i++) { + struct resource r[4]; + struct device_node *phy, *mdio; + struct gianfar_platform_data gfar_data; + unsigned int *id; + char *model; + void *mac_addr; + phandle *ph; + + memset(r, 0, sizeof(r)); + memset(&gfar_data, 0, sizeof(gfar_data)); + + ret = of_address_to_resource(np, 0, &r[0]); + if (ret) + goto gfar_err; + + r[1].start = np->intrs[0].line; + r[1].end = np->intrs[0].line; + r[1].flags = IORESOURCE_IRQ; + + model = get_property(np, "model", NULL); + + /* If we aren't the FEC we have multiple interrupts */ + if (model && strcasecmp(model, "FEC")) { + r[1].name = gfar_tx_intr; + + r[2].name = gfar_rx_intr; + r[2].start = np->intrs[1].line; + r[2].end = np->intrs[1].line; + r[2].flags = IORESOURCE_IRQ; + + r[3].name = gfar_err_intr; + r[3].start = np->intrs[2].line; + r[3].end = np->intrs[2].line; + r[3].flags = IORESOURCE_IRQ; + } + + gfar_dev = platform_device_register_simple("fsl-gianfar", i, &r[0], np->n_intrs + 1); + + if (IS_ERR(gfar_dev)) { + ret = PTR_ERR(gfar_dev); + goto gfar_err; + } + + mac_addr = get_property(np, "address", NULL); + memcpy(gfar_data.mac_addr, mac_addr, 6); + + if (model && !strcasecmp(model, "TSEC")) + gfar_data.device_flags = + FSL_GIANFAR_DEV_HAS_GIGABIT | + FSL_GIANFAR_DEV_HAS_COALESCE | + FSL_GIANFAR_DEV_HAS_RMON | + FSL_GIANFAR_DEV_HAS_MULTI_INTR; + if (model && !strcasecmp(model, "eTSEC")) + gfar_data.device_flags = + FSL_GIANFAR_DEV_HAS_GIGABIT | + FSL_GIANFAR_DEV_HAS_COALESCE | + FSL_GIANFAR_DEV_HAS_RMON | + FSL_GIANFAR_DEV_HAS_MULTI_INTR | + FSL_GIANFAR_DEV_HAS_CSUM | + FSL_GIANFAR_DEV_HAS_VLAN | + FSL_GIANFAR_DEV_HAS_EXTENDED_HASH; + + ph = (phandle *) get_property(np, "phy-handle", NULL); + phy = of_find_node_by_phandle(*ph); + + if (phy == NULL) { + ret = -ENODEV; + goto gfar_unreg; + } + + mdio = of_get_parent(phy); + + id = (u32 *) get_property(phy, "reg", NULL); + ret = of_address_to_resource(mdio, 0, &res); + if (ret) { + of_node_put(phy); + of_node_put(mdio); + goto gfar_unreg; + } + + gfar_data.phy_id = *id; + gfar_data.bus_id = res.start; + + of_node_put(phy); + of_node_put(mdio); + + ret = platform_device_add_data(gfar_dev, &gfar_data, sizeof(struct gianfar_platform_data)); + if (ret) + goto gfar_unreg; + } + + return 0; + +mdio_unreg: + platform_device_unregister(mdio_dev); +mdio_err: + return ret; + +gfar_unreg: + platform_device_unregister(gfar_dev); +gfar_err: + return ret; +} +arch_initcall(gfar_of_init); + +static int __init fsl_i2c_of_init(void) +{ + struct device_node *np; + unsigned int i; + struct platform_device *i2c_dev; + int ret; + + for (np = NULL, i = 0; (np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL; i++) { + struct resource r[2]; + struct fsl_i2c_platform_data i2c_data; + unsigned char * flags = NULL; + + memset(&r, 0, sizeof(r)); + memset(&i2c_data, 0, sizeof(i2c_data)); + + ret = of_address_to_resource(np, 0, &r[0]); + if (ret) + goto i2c_err; + + r[1].start = np->intrs[0].line; + r[1].end = np->intrs[0].line; + r[1].flags = IORESOURCE_IRQ; + + i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2); + if (IS_ERR(i2c_dev)) { + ret = PTR_ERR(i2c_dev); + goto i2c_err; + } + + i2c_data.device_flags = 0; + flags = get_property(np, "dfsrr", NULL); + if (flags) + i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR; + + flags = get_property(np, "fsl5200-clocking", NULL); + if (flags) + i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200; + + ret = platform_device_add_data(i2c_dev, &i2c_data, sizeof(struct fsl_i2c_platform_data)); + if (ret) + goto i2c_unreg; + } + + return 0; + +i2c_unreg: + platform_device_unregister(i2c_dev); +i2c_err: + return ret; +} +arch_initcall(fsl_i2c_of_init); + +#ifdef CONFIG_PPC_83xx +static int __init mpc83xx_wdt_init(void) +{ + struct resource r; + struct device_node *soc, *np; + struct platform_device *dev; + unsigned int *freq; + int ret; + + np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt"); + + if (!np) { + ret = -ENODEV; + goto mpc83xx_wdt_nodev; + } + + soc = of_find_node_by_type(NULL, "soc"); + + if (!soc) { + ret = -ENODEV; + goto mpc83xx_wdt_nosoc; + } + + freq = (unsigned int *)get_property(soc, "bus-frequency", NULL); + if (!freq) { + ret = -ENODEV; + goto mpc83xx_wdt_err; + } + + memset(&r, 0, sizeof(r)); + + ret = of_address_to_resource(np, 0, &r); + if (ret) + goto mpc83xx_wdt_err; + + dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1); + if (IS_ERR(dev)) { + ret = PTR_ERR(dev); + goto mpc83xx_wdt_err; + } + + ret = platform_device_add_data(dev, freq, sizeof(int)); + if (ret) + goto mpc83xx_wdt_unreg; + + of_node_put(soc); + of_node_put(np); + + return 0; + +mpc83xx_wdt_unreg: + platform_device_unregister(dev); +mpc83xx_wdt_err: + of_node_put(soc); +mpc83xx_wdt_nosoc: + of_node_put(np); +mpc83xx_wdt_nodev: + return ret; +} +arch_initcall(mpc83xx_wdt_init); +#endif diff --git a/arch/powerpc/sysdev/fsl_soc.h b/arch/powerpc/sysdev/fsl_soc.h new file mode 100644 index 000000000000..c433d3f39edd --- /dev/null +++ b/arch/powerpc/sysdev/fsl_soc.h @@ -0,0 +1,8 @@ +#ifndef __PPC_FSL_SOC_H +#define __PPC_FSL_SOC_H +#ifdef __KERNEL__ + +extern phys_addr_t get_immrbase(void); + +#endif +#endif diff --git a/arch/ppc/4xx_io/serial_sicc.c b/arch/ppc/4xx_io/serial_sicc.c index ebc4db8fcc63..8ace2a1f3b48 100644 --- a/arch/ppc/4xx_io/serial_sicc.c +++ b/arch/ppc/4xx_io/serial_sicc.c @@ -215,7 +215,6 @@ static struct tty_driver *siccnormal_driver; * memory if large numbers of serial ports are open. */ static u_char *tmp_buf; -static DECLARE_MUTEX(tmp_buf_sem); #define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8) diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig index d65810108bc3..11899f06bf06 100644 --- a/arch/ppc/Kconfig +++ b/arch/ppc/Kconfig @@ -58,11 +58,11 @@ config 6xx help There are four types of PowerPC chips supported. The more common types (601, 603, 604, 740, 750, 7400), the Motorola embedded - versions (821, 823, 850, 855, 860, 52xx, 82xx, 83xx), the IBM embedded - versions (403 and 405) and the high end 64 bit Power processors - (POWER 3, POWER4, and IBM 970 also known as G5) + versions (821, 823, 850, 855, 860, 52xx, 82xx, 83xx), the IBM + embedded versions (403 and 405) and the POWER3 processor. + (For support for more recent 64-bit processors, set ARCH=powerpc.) Unless you are building a kernel for one of the embedded processor - systems, 64 bit IBM RS/6000 or an Apple G5, choose 6xx. + systems or a POWER3-based IBM RS/6000, choose 6xx. Note that the kernel runs in 32-bit mode even on 64-bit chips. Also note that because the 52xx, 82xx, & 83xx family has a 603e core, specific support for that chipset is asked later on. @@ -77,10 +77,6 @@ config POWER3 select PPC_FPU bool "POWER3" -config POWER4 - select PPC_FPU - bool "POWER4 and 970 (G5)" - config 8xx bool "8xx" @@ -123,7 +119,7 @@ config PHYS_64BIT config ALTIVEC bool "AltiVec Support" - depends on 6xx || POWER4 + depends on 6xx depends on !8260 && !83xx ---help--- This option enables kernel support for the Altivec extensions to the @@ -235,18 +231,9 @@ config KEXEC source "drivers/cpufreq/Kconfig" -config CPU_FREQ_PMAC - bool "Support for Apple PowerBooks" - depends on CPU_FREQ && ADB_PMU - select CPU_FREQ_TABLE - help - This adds support for frequency switching on Apple PowerBooks, - this currently includes some models of iBook & Titanium - PowerBook. - config PPC601_SYNC_FIX bool "Workarounds for PPC601 bugs" - depends on 6xx && (PPC_PREP || PPC_PMAC) + depends on 6xx && PPC_PREP help Some versions of the PPC601 (the first PowerPC chip) have bugs which mean that extra synchronization instructions are required near @@ -258,26 +245,17 @@ config PPC601_SYNC_FIX If in doubt, say Y here. -config HOTPLUG_CPU - bool "Support for enabling/disabling CPUs" - depends on SMP && HOTPLUG && EXPERIMENTAL && PPC_PMAC - ---help--- - Say Y here to be able to disable and re-enable individual - CPUs at runtime on SMP machines. - - Say N if you are unsure. - source arch/ppc/platforms/4xx/Kconfig source arch/ppc/platforms/85xx/Kconfig config PPC64BRIDGE bool - depends on POWER3 || POWER4 + depends on POWER3 default y config PPC_STD_MMU bool - depends on 6xx || POWER3 || POWER4 + depends on 6xx || POWER3 default y config NOT_COHERENT_CACHE @@ -505,7 +483,7 @@ endchoice choice prompt "Machine Type" - depends on 6xx || POWER3 || POWER4 + depends on 6xx || POWER3 default PPC_MULTIPLATFORM ---help--- Linux currently supports several different kinds of PowerPC-based @@ -516,11 +494,15 @@ choice Platform) machines (including all of the recent IBM RS/6000 and pSeries machines), and several embedded PowerPC systems containing 4xx, 6xx, 7xx, 8xx, 74xx, and 82xx processors. Currently, the - default option is to build a kernel which works on the first three. + default option is to build a kernel which works on PReP and CHRP. - Select CHRP/PowerMac/PReP if configuring for an IBM RS/6000 or - pSeries machine, a Power Macintosh (including iMacs, iBooks and - Powerbooks), or a PReP machine. + Note that support for Apple machines is now only available with + ARCH=powerpc, and has been removed from this menu. If you wish + to build a kernel for an Apple machine, exit this configuration + process and re-run it with ARCH=powerpc. + + Select CHRP/PReP if configuring for an IBM RS/6000 or + pSeries machine, or a PReP machine. Select Gemini if configuring for a Synergy Microsystems' Gemini series Single Board Computer. More information is available at: @@ -530,7 +512,7 @@ choice available at: <http://linux-apus.sourceforge.net/>. config PPC_MULTIPLATFORM - bool "CHRP/PowerMac/PReP" + bool "CHRP/PReP" config APUS bool "Amiga-APUS" @@ -768,25 +750,14 @@ config CPM2 on it (826x, 827x, 8560). config PPC_CHRP - bool + bool "Support for CHRP (Common Hardware Reference Platform) machines" depends on PPC_MULTIPLATFORM select PPC_I8259 select PPC_INDIRECT_PCI default y -config PPC_PMAC - bool - depends on PPC_MULTIPLATFORM - select PPC_INDIRECT_PCI - default y - -config PPC_PMAC64 - bool - depends on PPC_PMAC && POWER4 - default y - config PPC_PREP - bool + bool "Support for PReP (PowerPC Reference Platform) machines" depends on PPC_MULTIPLATFORM select PPC_I8259 select PPC_INDIRECT_PCI @@ -794,7 +765,7 @@ config PPC_PREP config PPC_OF bool - depends on PPC_PMAC || PPC_CHRP + depends on PPC_CHRP default y config PPC_GEN550 @@ -1166,7 +1137,7 @@ config ISA config GENERIC_ISA_DMA bool - depends on POWER3 || POWER4 || 6xx && !CPM2 + depends on POWER3 || 6xx && !CPM2 default y config PPC_I8259 diff --git a/arch/ppc/boot/Makefile b/arch/ppc/boot/Makefile index 995f89bb049c..efd8ce515d5f 100644 --- a/arch/ppc/boot/Makefile +++ b/arch/ppc/boot/Makefile @@ -18,7 +18,7 @@ BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd bootdir-y := simple bootdir-$(CONFIG_PPC_OF) += openfirmware subdir-y := lib common images -subdir-$(CONFIG_PPC_OF) += of1275 +subdir-$(CONFIG_PPC_MULTIPLATFORM) += of1275 # for cleaning subdir- += simple openfirmware diff --git a/arch/ppc/boot/openfirmware/Makefile b/arch/ppc/boot/openfirmware/Makefile index 83a6433459ce..2a411ec2e650 100644 --- a/arch/ppc/boot/openfirmware/Makefile +++ b/arch/ppc/boot/openfirmware/Makefile @@ -21,26 +21,16 @@ bootlib := $(boot)/lib of1275 := $(boot)/of1275 images := $(boot)/images -OBJCOPY_ARGS := -O aixcoff-rs6000 -R .stab -R .stabstr -R .comment -COFF_LD_ARGS := -T $(srctree)/$(boot)/ld.script -e _start -Ttext 0x00500000 \ - -Bstatic CHRP_LD_ARGS := -T $(srctree)/$(boot)/ld.script -e _start -Ttext 0x00800000 -NEWWORLD_LD_ARGS:= -T $(srctree)/$(boot)/ld.script -e _start -Ttext 0x01000000 COMMONOBJS := start.o misc.o common.o -COFFOBJS := coffcrt0.o $(COMMONOBJS) coffmain.o CHRPOBJS := crt0.o $(COMMONOBJS) chrpmain.o -NEWWORLDOBJS := crt0.o $(COMMONOBJS) newworldmain.o -targets := $(COFFOBJS) $(CHRPOBJS) $(NEWWORLDOBJS) dummy.o -COFFOBJS := $(addprefix $(obj)/, $(COFFOBJS)) +targets := $(CHRPOBJS) dummy.o CHRPOBJS := $(addprefix $(obj)/, $(CHRPOBJS)) -NEWWORLDOBJS := $(addprefix $(obj)/, $(NEWWORLDOBJS)) LIBS := lib/lib.a $(bootlib)/lib.a $(of1275)/lib.a $(common)/lib.a -HACKCOFF := $(utils)/hack-coff - ifdef CONFIG_SMP END := .smp endif @@ -72,56 +62,11 @@ targets += image.initrd.o $(obj)/image.initrd.o: $(obj)/image.o $(images)/ramdisk.image.gz FORCE $(call if_changed,genimage-initrd) -# Create the note section for New-World PowerMacs. -quiet_cmd_mknote = MKNOTE $@ - cmd_mknote = $(utils)/mknote > $@ -targets += note -$(obj)/note: $(utils)/mknote FORCE - $(call if_changed,mknote) - -$(obj)/coffcrt0.o: EXTRA_AFLAGS := -DXCOFF -targets += coffcrt0.o crt0.o -$(obj)/coffcrt0.o $(obj)/crt0.o: $(common)/crt0.S FORCE +targets += crt0.o +$(obj)/crt0.o: $(common)/crt0.S FORCE $(call if_changed_dep,as_o_S) -quiet_cmd_gencoffb = COFF $@ - cmd_gencoffb = $(LD) -o $@ $(COFF_LD_ARGS) $(COFFOBJS) $< $(LIBS) && \ - $(OBJCOPY) $@ $@ -R .comment $(del-ramdisk-sec) -targets += coffboot -$(obj)/coffboot: $(obj)/image.o $(COFFOBJS) $(LIBS) $(srctree)/$(boot)/ld.script FORCE - $(call if_changed,gencoffb) -targets += coffboot.initrd -$(obj)/coffboot.initrd: $(obj)/image.initrd.o $(COFFOBJS) $(LIBS) \ - $(srctree)/$(boot)/ld.script FORCE - $(call if_changed,gencoffb) - - -quiet_cmd_gen-coff = COFF $@ - cmd_gen-coff = $(OBJCOPY) $(OBJCOPY_ARGS) $< $@ && \ - $(HACKCOFF) $@ && \ - ln -sf $(notdir $@) $(images)/zImage$(initrd).pmac - -$(images)/vmlinux.coff: $(obj)/coffboot - $(call cmd,gen-coff) - -$(images)/vmlinux.initrd.coff: $(obj)/coffboot.initrd - $(call cmd,gen-coff) - -quiet_cmd_gen-elf-pmac = ELF $@ - cmd_gen-elf-pmac = $(LD) $(NEWWORLD_LD_ARGS) -o $@ \ - $(NEWWORLDOBJS) $(LIBS) $< && \ - $(OBJCOPY) $@ $@ --add-section=.note=$(obj)/note \ - -R .comment $(del-ramdisk-sec) - -$(images)/vmlinux.elf-pmac: $(obj)/image.o $(NEWWORLDOBJS) $(LIBS) \ - $(obj)/note $(srctree)/$(boot)/ld.script - $(call cmd,gen-elf-pmac) -$(images)/vmlinux.initrd.elf-pmac: $(obj)/image.initrd.o $(NEWWORLDOBJS) \ - $(LIBS) $(obj)/note \ - $(srctree)/$(boot)/ld.script - $(call cmd,gen-elf-pmac) - quiet_cmd_gen-chrp = CHRP $@ cmd_gen-chrp = $(LD) $(CHRP_LD_ARGS) -o $@ $(CHRPOBJS) $< $(LIBS) && \ $(OBJCOPY) $@ $@ -R .comment $(del-ramdisk-sec) @@ -139,46 +84,23 @@ $(images)/zImage.chrp-rs6k $(images)/zImage.initrd.chrp-rs6k: \ %-rs6k: % $(call cmd,addnote) -quiet_cmd_gen-miboot = GEN $@ - cmd_gen-miboot = $(OBJCOPY) $(OBJCOPY_ARGS) \ - --add-section=$1=$(word 2, $^) $< $@ -$(images)/miboot.image: $(obj)/dummy.o $(images)/vmlinux.gz - $(call cmd,gen-miboot,image) - -$(images)/miboot.initrd.image: $(images)/miboot.image $(images)/ramdisk.image.gz - $(call cmd,gen-miboot,initrd) - # The targets used on the make command-line .PHONY: zImage zImage.initrd -zImage: $(images)/vmlinux.coff \ - $(images)/vmlinux.elf-pmac \ - $(images)/zImage.chrp \ - $(images)/zImage.chrp-rs6k \ - $(images)/miboot.image +zImage: $(images)/zImage.chrp \ + $(images)/zImage.chrp-rs6k @echo ' kernel: $@ is ready ($<)' -zImage.initrd: $(images)/vmlinux.initrd.coff \ - $(images)/vmlinux.initrd.elf-pmac \ - $(images)/zImage.initrd.chrp \ - $(images)/zImage.initrd.chrp-rs6k \ - $(images)/miboot.initrd.image +zImage.initrd: $(images)/zImage.initrd.chrp \ + $(images)/zImage.initrd.chrp-rs6k @echo ' kernel: $@ is ready ($<)' TFTPIMAGE := /tftpboot/zImage .PHONY: znetboot znetboot.initrd -znetboot: $(images)/vmlinux.coff \ - $(images)/vmlinux.elf-pmac \ - $(images)/zImage.chrp - cp $(images)/vmlinux.coff $(TFTPIMAGE).pmac$(END) - cp $(images)/vmlinux.elf-pmac $(TFTPIMAGE).pmac$(END).elf +znetboot: $(images)/zImage.chrp cp $(images)/zImage.chrp $(TFTPIMAGE).chrp$(END) @echo ' kernel: $@ is ready ($<)' -znetboot.initrd:$(images)/vmlinux.initrd.coff \ - $(images)/vmlinux.initrd.elf-pmac \ - $(images)/zImage.initrd.chrp - cp $(images)/vmlinux.initrd.coff $(TFTPIMAGE).pmac$(END) - cp $(images)/vmlinux.initrd.elf-pmac $(TFTPIMAGE).pmac$(END).elf +znetboot.initrd:$(images)/zImage.initrd.chrp cp $(images)/zImage.initrd.chrp $(TFTPIMAGE).chrp$(END) @echo ' kernel: $@ is ready ($<)' diff --git a/arch/ppc/boot/openfirmware/coffmain.c b/arch/ppc/boot/openfirmware/coffmain.c deleted file mode 100644 index 2da8855e2be0..000000000000 --- a/arch/ppc/boot/openfirmware/coffmain.c +++ /dev/null @@ -1,101 +0,0 @@ -/* - * Copyright (C) Paul Mackerras 1997. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ -#include <linux/string.h> -#include <asm/processor.h> -#include <asm/page.h> - -#include "nonstdio.h" -#include "of1275.h" - -/* Passed from the linker */ -extern char __image_begin, __image_end; -extern char __ramdisk_begin[], __ramdisk_end; -extern char _start, _end; - -extern char image_data[], initrd_data[]; -extern int initrd_len, image_len; -extern unsigned int heap_max; -extern void flush_cache(void *start, unsigned int len); -extern void gunzip(void *, int, unsigned char *, int *); -extern void make_bi_recs(unsigned long addr, char *name, unsigned int mach, - unsigned int progend); -extern void setup_bats(unsigned long start); - -char *avail_ram; -char *begin_avail, *end_avail; -char *avail_high; - -#define SCRATCH_SIZE (128 << 10) - -static char heap[SCRATCH_SIZE]; - -static unsigned long ram_start = 0; -static unsigned long ram_end = 0x1000000; - -static unsigned long prog_start = 0x800000; -static unsigned long prog_size = 0x700000; - -typedef void (*kernel_start_t)(int, int, void *); - -void boot(int a1, int a2, void *prom) -{ - unsigned sa, len; - void *dst; - unsigned char *im; - unsigned initrd_start, initrd_size; - - printf("coffboot starting: loaded at 0x%p\n", &_start); - setup_bats(ram_start); - - initrd_size = (char *)(&__ramdisk_end) - (char *)(&__ramdisk_begin); - if (initrd_size) { - initrd_start = (ram_end - initrd_size) & ~0xFFF; - a1 = initrd_start; - a2 = initrd_size; - claim(initrd_start, ram_end - initrd_start, 0); - printf("initial ramdisk moving 0x%x <- 0x%p (%x bytes)\n\r", - initrd_start, (char *)(&__ramdisk_begin), initrd_size); - memcpy((char *)initrd_start, (char *)(&__ramdisk_begin), initrd_size); - prog_size = initrd_start - prog_start; - } else - a2 = 0xdeadbeef; - - im = (char *)(&__image_begin); - len = (char *)(&__image_end) - (char *)(&__image_begin); - /* claim 4MB starting at PROG_START */ - claim(prog_start, prog_size, 0); - map(prog_start, prog_start, prog_size); - dst = (void *) prog_start; - if (im[0] == 0x1f && im[1] == 0x8b) { - /* set up scratch space */ - begin_avail = avail_high = avail_ram = heap; - end_avail = heap + sizeof(heap); - printf("heap at 0x%p\n", avail_ram); - printf("gunzipping (0x%p <- 0x%p:0x%p)...", dst, im, im+len); - gunzip(dst, prog_size, im, &len); - printf("done %u bytes\n", len); - printf("%u bytes of heap consumed, max in use %u\n", - avail_high - begin_avail, heap_max); - } else { - memmove(dst, im, len); - } - - flush_cache(dst, len); - make_bi_recs(((unsigned long) dst + len), "coffboot", _MACH_Pmac, - (prog_start + prog_size)); - - sa = (unsigned long)prog_start; - printf("start address = 0x%x\n", sa); - - (*(kernel_start_t)sa)(a1, a2, prom); - - printf("returned?\n"); - - pause(); -} diff --git a/arch/ppc/boot/openfirmware/newworldmain.c b/arch/ppc/boot/openfirmware/newworldmain.c deleted file mode 100644 index fa8a8f9313f9..000000000000 --- a/arch/ppc/boot/openfirmware/newworldmain.c +++ /dev/null @@ -1,94 +0,0 @@ -/* - * Copyright (C) Paul Mackerras 1997. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ -#include <linux/string.h> -#include "nonstdio.h" -#include "of1275.h" -#include <asm/processor.h> -#include <asm/page.h> - -/* Passed from the linker */ -extern char __image_begin, __image_end; -extern char __ramdisk_begin[], __ramdisk_end; -extern char _start, _end; - -extern unsigned int heap_max; -extern void flush_cache(void *start, unsigned int len); -extern void gunzip(void *, int, unsigned char *, int *); -extern void make_bi_recs(unsigned long addr, char *name, unsigned int mach, - unsigned int progend); - -char *avail_ram; -char *begin_avail, *end_avail; -char *avail_high; - - -#define RAM_END (16 << 20) - -#define PROG_START 0x00010000 -#define PROG_SIZE 0x007f0000 - -#define SCRATCH_SIZE (128 << 10) - -typedef void (*kernel_start_t)(int, int, void *); - -void boot(int a1, int a2, void *prom) -{ - unsigned sa, len; - void *dst; - unsigned char *im; - unsigned initrd_start, initrd_size; - - printf("chrpboot starting: loaded at 0x%p\n", &_start); - - initrd_size = (char *)(&__ramdisk_end) - (char *)(&__ramdisk_begin); - if (initrd_size) { - initrd_start = (RAM_END - initrd_size) & ~0xFFF; - a1 = initrd_start; - a2 = initrd_size; - claim(initrd_start, RAM_END - initrd_start, 0); - printf("initial ramdisk moving 0x%x <- 0x%p (%x bytes)\n\r", - initrd_start, (char *)(&__ramdisk_begin), initrd_size); - memcpy((char *)initrd_start, (char *)(&__ramdisk_begin), initrd_size); - } else - a2 = 0xdeadbeef; - - im = (char *)(&__image_begin); - len = (char *)(&__image_end) - (char *)(&__image_begin); - /* claim 3MB starting at PROG_START */ - claim(PROG_START, PROG_SIZE, 0); - dst = (void *) PROG_START; - if (im[0] == 0x1f && im[1] == 0x8b) { - /* claim some memory for scratch space */ - avail_ram = (char *) claim(0, SCRATCH_SIZE, 0x10); - begin_avail = avail_high = avail_ram; - end_avail = avail_ram + SCRATCH_SIZE; - printf("heap at 0x%p\n", avail_ram); - printf("gunzipping (0x%p <- 0x%p:0x%p)...", dst, im, im+len); - gunzip(dst, PROG_SIZE, im, &len); - printf("done %u bytes\n", len); - printf("%u bytes of heap consumed, max in use %u\n", - avail_high - begin_avail, heap_max); - release(begin_avail, SCRATCH_SIZE); - } else { - memmove(dst, im, len); - } - - flush_cache(dst, len); - make_bi_recs(((unsigned long) dst + len), "chrpboot", _MACH_Pmac, - (PROG_START + PROG_SIZE)); - - sa = (unsigned long)PROG_START; - printf("start address = 0x%x\n", sa); - - (*(kernel_start_t)sa)(a1, a2, prom); - - printf("returned?\n"); - - pause(); -} diff --git a/arch/ppc/kernel/Makefile b/arch/ppc/kernel/Makefile index ca0201300868..e399bbb969a4 100644 --- a/arch/ppc/kernel/Makefile +++ b/arch/ppc/kernel/Makefile @@ -9,7 +9,6 @@ extra-$(CONFIG_44x) := head_44x.o extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o extra-$(CONFIG_8xx) := head_8xx.o extra-$(CONFIG_6xx) += idle_6xx.o -extra-$(CONFIG_POWER4) += idle_power4.o extra-y += vmlinux.lds obj-y := entry.o traps.o idle.o time.o misc.o \ @@ -17,7 +16,6 @@ obj-y := entry.o traps.o idle.o time.o misc.o \ ppc_htab.o obj-$(CONFIG_6xx) += l2cr.o cpu_setup_6xx.o obj-$(CONFIG_SOFTWARE_SUSPEND) += swsusp.o -obj-$(CONFIG_POWER4) += cpu_setup_power4.o obj-$(CONFIG_MODULES) += module.o ppc_ksyms.o obj-$(CONFIG_NOT_COHERENT_CACHE) += dma-mapping.o obj-$(CONFIG_PCI) += pci.o @@ -42,7 +40,6 @@ obj-$(CONFIG_6xx) += l2cr.o cpu_setup_6xx.o obj-$(CONFIG_SOFTWARE_SUSPEND) += swsusp.o obj-$(CONFIG_MODULES) += module.o obj-$(CONFIG_NOT_COHERENT_CACHE) += dma-mapping.o -obj-$(CONFIG_PCI) += pci.o obj-$(CONFIG_KGDB) += ppc-stub.o obj-$(CONFIG_TAU) += temp.o ifndef CONFIG_E200 diff --git a/arch/ppc/kernel/head_8xx.S b/arch/ppc/kernel/head_8xx.S index de0978742221..3e6ca7f5843f 100644 --- a/arch/ppc/kernel/head_8xx.S +++ b/arch/ppc/kernel/head_8xx.S @@ -375,6 +375,8 @@ DataStoreTLBMiss: lis r11, swapper_pg_dir@h ori r11, r11, swapper_pg_dir@l rlwimi r10, r11, 0, 2, 19 + stw r12, 16(r0) + b LoadLargeDTLB 3: lwz r11, 0(r10) /* Get the level 1 entry */ rlwinm. r10, r11,0,0,19 /* Extract page descriptor page address */ @@ -430,6 +432,81 @@ DataStoreTLBMiss: InstructionTLBError: b InstructionAccess +LoadLargeDTLB: + li r12, 0 + lwz r11, 0(r10) /* Get the level 1 entry */ + rlwinm. r10, r11,0,0,19 /* Extract page descriptor page address */ + beq 3f /* If zero, don't try to find a pte */ + + /* We have a pte table, so load fetch the pte from the table. + */ + ori r11, r11, 1 /* Set valid bit in physical L2 page */ + DO_8xx_CPU6(0x3b80, r3) + mtspr SPRN_MD_TWC, r11 /* Load pte table base address */ + mfspr r10, SPRN_MD_TWC /* ....and get the pte address */ + lwz r10, 0(r10) /* Get the pte */ + + /* Insert the Guarded flag into the TWC from the Linux PTE. + * It is bit 27 of both the Linux PTE and the TWC (at least + * I got that right :-). It will be better when we can put + * this into the Linux pgd/pmd and load it in the operation + * above. + */ + rlwimi r11, r10, 0, 27, 27 + + rlwimi r12, r10, 0, 0, 9 /* extract phys. addr */ + mfspr r3, SPRN_MD_EPN + rlwinm r3, r3, 0, 0, 9 /* extract virtual address */ + tophys(r3, r3) + cmpw r3, r12 /* only use 8M page if it is a direct + kernel mapping */ + bne 1f + ori r11, r11, MD_PS8MEG + li r12, 1 + b 2f +1: + li r12, 0 /* can't use 8MB TLB, so zero r12. */ +2: + DO_8xx_CPU6(0x3b80, r3) + mtspr SPRN_MD_TWC, r11 + + /* The Linux PTE won't go exactly into the MMU TLB. + * Software indicator bits 21, 22 and 28 must be clear. + * Software indicator bits 24, 25, 26, and 27 must be + * set. All other Linux PTE bits control the behavior + * of the MMU. + */ +3: li r11, 0x00f0 + rlwimi r10, r11, 0, 24, 28 /* Set 24-27, clear 28 */ + cmpwi r12, 1 + bne 4f + ori r10, r10, 0x8 + + mfspr r12, SPRN_MD_EPN + lis r3, 0xff80 /* 10-19 must be clear for 8MB TLB */ + ori r3, r3, 0x0fff + and r12, r3, r12 + DO_8xx_CPU6(0x3780, r3) + mtspr SPRN_MD_EPN, r12 + + lis r3, 0xff80 /* 10-19 must be clear for 8MB TLB */ + ori r3, r3, 0x0fff + and r10, r3, r10 +4: + DO_8xx_CPU6(0x3d80, r3) + mtspr SPRN_MD_RPN, r10 /* Update TLB entry */ + + mfspr r10, SPRN_M_TW /* Restore registers */ + lwz r11, 0(r0) + mtcr r11 + lwz r11, 4(r0) + + lwz r12, 16(r0) +#ifdef CONFIG_8xx_CPU6 + lwz r3, 8(r0) +#endif + rfi + /* This is the data TLB error on the MPC8xx. This could be due to * many reasons, including a dirty update to a pte. We can catch that * one here, but anything else is an error. First, we track down the diff --git a/arch/ppc/kernel/misc.S b/arch/ppc/kernel/misc.S index fb5658bba285..c3427eed8345 100644 --- a/arch/ppc/kernel/misc.S +++ b/arch/ppc/kernel/misc.S @@ -204,78 +204,6 @@ _GLOBAL(call_setup_cpu) mtctr r5 bctr -#if defined(CONFIG_CPU_FREQ_PMAC) && defined(CONFIG_6xx) - -/* This gets called by via-pmu.c to switch the PLL selection - * on 750fx CPU. This function should really be moved to some - * other place (as most of the cpufreq code in via-pmu - */ -_GLOBAL(low_choose_750fx_pll) - /* Clear MSR:EE */ - mfmsr r7 - rlwinm r0,r7,0,17,15 - mtmsr r0 - - /* If switching to PLL1, disable HID0:BTIC */ - cmplwi cr0,r3,0 - beq 1f - mfspr r5,SPRN_HID0 - rlwinm r5,r5,0,27,25 - sync - mtspr SPRN_HID0,r5 - isync - sync - -1: - /* Calc new HID1 value */ - mfspr r4,SPRN_HID1 /* Build a HID1:PS bit from parameter */ - rlwinm r5,r3,16,15,15 /* Clear out HID1:PS from value read */ - rlwinm r4,r4,0,16,14 /* Could have I used rlwimi here ? */ - or r4,r4,r5 - mtspr SPRN_HID1,r4 - - /* Store new HID1 image */ - rlwinm r6,r1,0,0,18 - lwz r6,TI_CPU(r6) - slwi r6,r6,2 - addis r6,r6,nap_save_hid1@ha - stw r4,nap_save_hid1@l(r6) - - /* If switching to PLL0, enable HID0:BTIC */ - cmplwi cr0,r3,0 - bne 1f - mfspr r5,SPRN_HID0 - ori r5,r5,HID0_BTIC - sync - mtspr SPRN_HID0,r5 - isync - sync - -1: - /* Return */ - mtmsr r7 - blr - -_GLOBAL(low_choose_7447a_dfs) - /* Clear MSR:EE */ - mfmsr r7 - rlwinm r0,r7,0,17,15 - mtmsr r0 - - /* Calc new HID1 value */ - mfspr r4,SPRN_HID1 - insrwi r4,r3,1,9 /* insert parameter into bit 9 */ - sync - mtspr SPRN_HID1,r4 - sync - isync - - /* Return */ - mtmsr r7 - blr - -#endif /* CONFIG_CPU_FREQ_PMAC && CONFIG_6xx */ - /* * complement mask on the msr then "or" some values on. * _nmask_and_or_msr(nmask, value_to_or) diff --git a/arch/ppc/kernel/pci.c b/arch/ppc/kernel/pci.c index 704c846b2b0f..04d04c5bfdd0 100644 --- a/arch/ppc/kernel/pci.c +++ b/arch/ppc/kernel/pci.c @@ -1,5 +1,5 @@ /* - * Common pmac/prep/chrp pci routines. -- Cort + * Common prep/chrp pci routines. -- Cort */ #include <linux/config.h> @@ -50,8 +50,7 @@ static void fixup_cpc710_pci64(struct pci_dev* dev); static u8* pci_to_OF_bus_map; #endif -/* By default, we don't re-assign bus numbers. We do this only on - * some pmacs +/* By default, we don't re-assign bus numbers. */ int pci_assign_all_buses; @@ -780,17 +779,6 @@ pci_busdev_to_OF_node(struct pci_bus *bus, int devfn) return NULL; /* Fixup bus number according to what OF think it is. */ -#ifdef CONFIG_PPC_PMAC - /* The G5 need a special case here. Basically, we don't remap all - * busses on it so we don't create the pci-OF-map. However, we do - * remap the AGP bus and so have to deal with it. A future better - * fix has to be done by making the remapping per-host and always - * filling the pci_to_OF map. --BenH - */ - if (_machine == _MACH_Pmac && busnr >= 0xf0) - busnr -= 0xf0; - else -#endif if (pci_to_OF_bus_map) busnr = pci_to_OF_bus_map[busnr]; if (busnr == 0xff) @@ -1040,216 +1028,6 @@ void pcibios_add_platform_entries(struct pci_dev *pdev) } -#ifdef CONFIG_PPC_PMAC -/* - * This set of routines checks for PCI<->PCI bridges that have closed - * IO resources and have child devices. It tries to re-open an IO - * window on them. - * - * This is a _temporary_ fix to workaround a problem with Apple's OF - * closing IO windows on P2P bridges when the OF drivers of cards - * below this bridge don't claim any IO range (typically ATI or - * Adaptec). - * - * A more complete fix would be to use drivers/pci/setup-bus.c, which - * involves a working pcibios_fixup_pbus_ranges(), some more care about - * ordering when creating the host bus resources, and maybe a few more - * minor tweaks - */ - -/* Initialize bridges with base/limit values we have collected */ -static void __init -do_update_p2p_io_resource(struct pci_bus *bus, int enable_vga) -{ - struct pci_dev *bridge = bus->self; - struct pci_controller* hose = (struct pci_controller *)bridge->sysdata; - u32 l; - u16 w; - struct resource res; - - if (bus->resource[0] == NULL) - return; - res = *(bus->resource[0]); - - DBG("Remapping Bus %d, bridge: %s\n", bus->number, pci_name(bridge)); - res.start -= ((unsigned long) hose->io_base_virt - isa_io_base); - res.end -= ((unsigned long) hose->io_base_virt - isa_io_base); - DBG(" IO window: %08lx-%08lx\n", res.start, res.end); - - /* Set up the top and bottom of the PCI I/O segment for this bus. */ - pci_read_config_dword(bridge, PCI_IO_BASE, &l); - l &= 0xffff000f; - l |= (res.start >> 8) & 0x00f0; - l |= res.end & 0xf000; - pci_write_config_dword(bridge, PCI_IO_BASE, l); - - if ((l & PCI_IO_RANGE_TYPE_MASK) == PCI_IO_RANGE_TYPE_32) { - l = (res.start >> 16) | (res.end & 0xffff0000); - pci_write_config_dword(bridge, PCI_IO_BASE_UPPER16, l); - } - - pci_read_config_word(bridge, PCI_COMMAND, &w); - w |= PCI_COMMAND_IO; - pci_write_config_word(bridge, PCI_COMMAND, w); - -#if 0 /* Enabling this causes XFree 4.2.0 to hang during PCI probe */ - if (enable_vga) { - pci_read_config_word(bridge, PCI_BRIDGE_CONTROL, &w); - w |= PCI_BRIDGE_CTL_VGA; - pci_write_config_word(bridge, PCI_BRIDGE_CONTROL, w); - } -#endif -} - -/* This function is pretty basic and actually quite broken for the - * general case, it's enough for us right now though. It's supposed - * to tell us if we need to open an IO range at all or not and what - * size. - */ -static int __init -check_for_io_childs(struct pci_bus *bus, struct resource* res, int *found_vga) -{ - struct pci_dev *dev; - int i; - int rc = 0; - -#define push_end(res, size) do { unsigned long __sz = (size) ; \ - res->end = ((res->end + __sz) / (__sz + 1)) * (__sz + 1) + __sz; \ - } while (0) - - list_for_each_entry(dev, &bus->devices, bus_list) { - u16 class = dev->class >> 8; - - if (class == PCI_CLASS_DISPLAY_VGA || - class == PCI_CLASS_NOT_DEFINED_VGA) - *found_vga = 1; - if (class >> 8 == PCI_BASE_CLASS_BRIDGE && dev->subordinate) - rc |= check_for_io_childs(dev->subordinate, res, found_vga); - if (class == PCI_CLASS_BRIDGE_CARDBUS) - push_end(res, 0xfff); - - for (i=0; i<PCI_NUM_RESOURCES; i++) { - struct resource *r; - unsigned long r_size; - - if (dev->class >> 8 == PCI_CLASS_BRIDGE_PCI - && i >= PCI_BRIDGE_RESOURCES) - continue; - r = &dev->resource[i]; - r_size = r->end - r->start; - if (r_size < 0xfff) - r_size = 0xfff; - if (r->flags & IORESOURCE_IO && (r_size) != 0) { - rc = 1; - push_end(res, r_size); - } - } - } - - return rc; -} - -/* Here we scan all P2P bridges of a given level that have a closed - * IO window. Note that the test for the presence of a VGA card should - * be improved to take into account already configured P2P bridges, - * currently, we don't see them and might end up configuring 2 bridges - * with VGA pass through enabled - */ -static void __init -do_fixup_p2p_level(struct pci_bus *bus) -{ - struct pci_bus *b; - int i, parent_io; - int has_vga = 0; - - for (parent_io=0; parent_io<4; parent_io++) - if (bus->resource[parent_io] - && bus->resource[parent_io]->flags & IORESOURCE_IO) - break; - if (parent_io >= 4) - return; - - list_for_each_entry(b, &bus->children, node) { - struct pci_dev *d = b->self; - struct pci_controller* hose = (struct pci_controller *)d->sysdata; - struct resource *res = b->resource[0]; - struct resource tmp_res; - unsigned long max; - int found_vga = 0; - - memset(&tmp_res, 0, sizeof(tmp_res)); - tmp_res.start = bus->resource[parent_io]->start; - - /* We don't let low addresses go through that closed P2P bridge, well, - * that may not be necessary but I feel safer that way - */ - if (tmp_res.start == 0) - tmp_res.start = 0x1000; - - if (!list_empty(&b->devices) && res && res->flags == 0 && - res != bus->resource[parent_io] && - (d->class >> 8) == PCI_CLASS_BRIDGE_PCI && - check_for_io_childs(b, &tmp_res, &found_vga)) { - u8 io_base_lo; - - printk(KERN_INFO "Fixing up IO bus %s\n", b->name); - - if (found_vga) { - if (has_vga) { - printk(KERN_WARNING "Skipping VGA, already active" - " on bus segment\n"); - found_vga = 0; - } else - has_vga = 1; - } - pci_read_config_byte(d, PCI_IO_BASE, &io_base_lo); - - if ((io_base_lo & PCI_IO_RANGE_TYPE_MASK) == PCI_IO_RANGE_TYPE_32) - max = ((unsigned long) hose->io_base_virt - - isa_io_base) + 0xffffffff; - else - max = ((unsigned long) hose->io_base_virt - - isa_io_base) + 0xffff; - - *res = tmp_res; - res->flags = IORESOURCE_IO; - res->name = b->name; - - /* Find a resource in the parent where we can allocate */ - for (i = 0 ; i < 4; i++) { - struct resource *r = bus->resource[i]; - if (!r) - continue; - if ((r->flags & IORESOURCE_IO) == 0) - continue; - DBG("Trying to allocate from %08lx, size %08lx from parent" - " res %d: %08lx -> %08lx\n", - res->start, res->end, i, r->start, r->end); - - if (allocate_resource(r, res, res->end + 1, res->start, max, - res->end + 1, NULL, NULL) < 0) { - DBG("Failed !\n"); - continue; - } - do_update_p2p_io_resource(b, found_vga); - break; - } - } - do_fixup_p2p_level(b); - } -} - -static void -pcibios_fixup_p2p_bridges(void) -{ - struct pci_bus *b; - - list_for_each_entry(b, &pci_root_buses, node) - do_fixup_p2p_level(b); -} - -#endif /* CONFIG_PPC_PMAC */ - static int __init pcibios_init(void) { @@ -1290,9 +1068,6 @@ pcibios_init(void) pcibios_allocate_bus_resources(&pci_root_buses); pcibios_allocate_resources(0); pcibios_allocate_resources(1); -#ifdef CONFIG_PPC_PMAC - pcibios_fixup_p2p_bridges(); -#endif /* CONFIG_PPC_PMAC */ pcibios_assign_resources(); /* Call machine dependent post-init code */ @@ -1722,17 +1497,6 @@ long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn) struct pci_controller* hose; long result = -EOPNOTSUPP; - /* Argh ! Please forgive me for that hack, but that's the - * simplest way to get existing XFree to not lockup on some - * G5 machines... So when something asks for bus 0 io base - * (bus 0 is HT root), we return the AGP one instead. - */ -#ifdef CONFIG_PPC_PMAC - if (_machine == _MACH_Pmac && machine_is_compatible("MacRISC4")) - if (bus == 0) - bus = 0xf0; -#endif /* CONFIG_PPC_PMAC */ - hose = pci_bus_to_hose(bus); if (!hose) return -ENODEV; diff --git a/arch/ppc/kernel/ppc_ksyms.c b/arch/ppc/kernel/ppc_ksyms.c index 95075f99a6d4..3a6e4bcb3c53 100644 --- a/arch/ppc/kernel/ppc_ksyms.c +++ b/arch/ppc/kernel/ppc_ksyms.c @@ -34,7 +34,6 @@ #include <asm/system.h> #include <asm/pci-bridge.h> #include <asm/irq.h> -#include <asm/pmac_feature.h> #include <asm/dma.h> #include <asm/machdep.h> #include <asm/hw_irq.h> @@ -58,7 +57,6 @@ extern void machine_check_exception(struct pt_regs *regs); extern void alignment_exception(struct pt_regs *regs); extern void program_check_exception(struct pt_regs *regs); extern void single_step_exception(struct pt_regs *regs); -extern int pmac_newworld; extern int sys_sigreturn(struct pt_regs *regs); long long __ashrdi3(long long, int); @@ -213,10 +211,6 @@ EXPORT_SYMBOL(adb_try_handler_change); EXPORT_SYMBOL(cuda_request); EXPORT_SYMBOL(cuda_poll); #endif /* CONFIG_ADB_CUDA */ -#ifdef CONFIG_PPC_PMAC -EXPORT_SYMBOL(sys_ctrler); -EXPORT_SYMBOL(pmac_newworld); -#endif #ifdef CONFIG_PPC_OF EXPORT_SYMBOL(find_devices); EXPORT_SYMBOL(find_type_devices); @@ -241,9 +235,6 @@ EXPORT_SYMBOL(of_node_put); #if defined(CONFIG_BOOTX_TEXT) EXPORT_SYMBOL(btext_update_display); #endif -#if defined(CONFIG_SCSI) && defined(CONFIG_PPC_PMAC) -EXPORT_SYMBOL(note_scsi_host); -#endif #ifdef CONFIG_VT EXPORT_SYMBOL(kd_mksound); #endif @@ -270,7 +261,6 @@ EXPORT_SYMBOL(__delay); EXPORT_SYMBOL(timer_interrupt); EXPORT_SYMBOL(irq_desc); EXPORT_SYMBOL(tb_ticks_per_jiffy); -EXPORT_SYMBOL(get_wchan); EXPORT_SYMBOL(console_drivers); #ifdef CONFIG_XMON EXPORT_SYMBOL(xmon); diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c index e707c6f6e61b..c08ab432e958 100644 --- a/arch/ppc/kernel/setup.c +++ b/arch/ppc/kernel/setup.c @@ -1,5 +1,5 @@ /* - * Common prep/pmac/chrp boot and setup code. + * Common prep/chrp boot and setup code. */ #include <linux/config.h> @@ -35,7 +35,6 @@ #include <asm/machdep.h> #include <asm/uaccess.h> #include <asm/system.h> -#include <asm/pmac_feature.h> #include <asm/sections.h> #include <asm/nvram.h> #include <asm/xmon.h> @@ -55,7 +54,6 @@ extern void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7); -extern void bootx_init(unsigned long r4, unsigned long phys); extern void identify_cpu(unsigned long offset, unsigned long cpu); extern void do_cpu_ftr_fixups(unsigned long offset); extern void reloc_got2(unsigned long offset); @@ -80,8 +78,6 @@ EXPORT_SYMBOL(_machine); extern void prep_init(unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7); -extern void pmac_init(unsigned long r3, unsigned long r4, - unsigned long r5, unsigned long r6, unsigned long r7); extern void chrp_init(unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7); @@ -324,20 +320,15 @@ early_init(int r3, int r4, int r5) identify_cpu(offset, 0); do_cpu_ftr_fixups(offset); -#if defined(CONFIG_PPC_MULTIPLATFORM) +#if defined(CONFIG_PPC_OF) reloc_got2(offset); - /* If we came here from BootX, clear the screen, - * set up some pointers and return. */ - if ((r3 == 0x426f6f58) && (r5 == 0)) - bootx_init(r4, phys); - /* * don't do anything on prep * for now, don't use bootinfo because it breaks yaboot 0.5 * and assume that if we didn't find a magic number, we have OF */ - else if (*(unsigned long *)(0) != 0xdeadc0de) + if (*(unsigned long *)(0) != 0xdeadc0de) phys = prom_init(r3, r4, (prom_entry)r5); reloc_got2(-offset); @@ -424,6 +415,7 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, } #endif +#ifdef CONFIG_PPC_OF have_of = 1; /* prom_init has already been called from __start */ @@ -495,19 +487,17 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, #endif /* CONFIG_ADB */ switch (_machine) { -#ifdef CONFIG_PPC_PMAC - case _MACH_Pmac: - pmac_init(r3, r4, r5, r6, r7); - break; -#endif #ifdef CONFIG_PPC_CHRP case _MACH_chrp: chrp_init(r3, r4, r5, r6, r7); break; #endif } +#endif /* CONFIG_PPC_OF */ } +#endif /* CONFIG_PPC_MULTIPLATFORM */ +#ifdef CONFIG_PPC_OF #ifdef CONFIG_SERIAL_CORE_CONSOLE extern char *of_stdout_device; @@ -564,7 +554,7 @@ static int __init set_preferred_console(void) } console_initcall(set_preferred_console); #endif /* CONFIG_SERIAL_CORE_CONSOLE */ -#endif /* CONFIG_PPC_MULTIPLATFORM */ +#endif /* CONFIG_PPC_OF */ struct bi_record *find_bootinfo(void) { @@ -747,14 +737,6 @@ void __init setup_arch(char **cmdline_p) if (ppc_md.init_early) ppc_md.init_early(); -#ifdef CONFIG_PPC_MULTIPLATFORM - /* This could be called "early setup arch", it must be done - * now because xmon need it - */ - if (_machine == _MACH_Pmac) - pmac_feature_init(); /* New cool way */ -#endif - #ifdef CONFIG_XMON xmon_init(1); if (strstr(cmd_line, "xmon")) diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c index 9dbc4d28fa28..6d0a1838d94c 100644 --- a/arch/ppc/kernel/traps.c +++ b/arch/ppc/kernel/traps.c @@ -38,9 +38,6 @@ #include <asm/io.h> #include <asm/reg.h> #include <asm/xmon.h> -#ifdef CONFIG_PMAC_BACKLIGHT -#include <asm/backlight.h> -#endif #include <asm/pmc.h> #ifdef CONFIG_XMON @@ -85,12 +82,6 @@ int die(const char * str, struct pt_regs * fp, long err) int nl = 0; console_verbose(); spin_lock_irq(&die_lock); -#ifdef CONFIG_PMAC_BACKLIGHT - if (_machine == _MACH_Pmac) { - set_backlight_enable(1); - set_backlight_level(BACKLIGHT_MAX); - } -#endif printk("Oops: %s, sig: %ld [#%d]\n", str, err, ++die_counter); #ifdef CONFIG_PREEMPT printk("PREEMPT "); @@ -159,7 +150,7 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr) */ static inline int check_io_access(struct pt_regs *regs) { -#if defined CONFIG_PPC_PMAC || defined CONFIG_8xx +#if defined CONFIG_8xx unsigned long msr = regs->msr; const struct exception_table_entry *entry; unsigned int *nip = (unsigned int *)regs->nip; @@ -196,7 +187,7 @@ static inline int check_io_access(struct pt_regs *regs) return 1; } } -#endif /* CONFIG_PPC_PMAC */ +#endif /* CONFIG_8xx */ return 0; } diff --git a/arch/ppc/mm/init.c b/arch/ppc/mm/init.c index 45f0782059f1..134db5c04203 100644 --- a/arch/ppc/mm/init.c +++ b/arch/ppc/mm/init.c @@ -67,10 +67,6 @@ unsigned long ppc_memoffset = PAGE_OFFSET; int mem_init_done; int init_bootmem_done; int boot_mapsize; -#ifdef CONFIG_PPC_PMAC -unsigned long agp_special_page; -EXPORT_SYMBOL(agp_special_page); -#endif extern char _end[]; extern char etext[], _stext[]; @@ -424,10 +420,6 @@ void __init mem_init(void) addr += PAGE_SIZE) SetPageReserved(virt_to_page(addr)); #endif -#ifdef CONFIG_PPC_PMAC - if (agp_special_page) - SetPageReserved(virt_to_page(agp_special_page)); -#endif for (addr = PAGE_OFFSET; addr < (unsigned long)high_memory; addr += PAGE_SIZE) { if (!PageReserved(virt_to_page(addr))) @@ -463,11 +455,6 @@ void __init mem_init(void) initpages<< (PAGE_SHIFT-10), (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10))); -#ifdef CONFIG_PPC_PMAC - if (agp_special_page) - printk(KERN_INFO "AGP special page: 0x%08lx\n", agp_special_page); -#endif - mem_init_done = 1; } @@ -512,22 +499,6 @@ set_phys_avail(unsigned long total_memory) if (rtas_data) mem_pieces_remove(&phys_avail, rtas_data, rtas_size, 1); #endif -#ifdef CONFIG_PPC_PMAC - /* Because of some uninorth weirdness, we need a page of - * memory as high as possible (it must be outside of the - * bus address seen as the AGP aperture). It will be used - * by the r128 DRM driver - * - * FIXME: We need to make sure that page doesn't overlap any of the\ - * above. This could be done by improving mem_pieces_find to be able - * to do a backward search from the end of the list. - */ - if (_machine == _MACH_Pmac && find_devices("uni-north-agp")) { - agp_special_page = (total_memory - PAGE_SIZE); - mem_pieces_remove(&phys_avail, agp_special_page, PAGE_SIZE, 0); - agp_special_page = (unsigned long)__va(agp_special_page); - } -#endif /* CONFIG_PPC_PMAC */ } /* Mark some memory as reserved by removing it from phys_avail. */ diff --git a/arch/ppc/platforms/83xx/mpc834x_sys.c b/arch/ppc/platforms/83xx/mpc834x_sys.c index 04bdc39bf47b..012e1e652c03 100644 --- a/arch/ppc/platforms/83xx/mpc834x_sys.c +++ b/arch/ppc/platforms/83xx/mpc834x_sys.c @@ -51,9 +51,6 @@ #include <syslib/ppc83xx_setup.h> -static const char *GFAR_PHY_0 = "phy0:0"; -static const char *GFAR_PHY_1 = "phy0:1"; - #ifndef CONFIG_PCI unsigned long isa_io_base = 0; unsigned long isa_mem_base = 0; @@ -129,20 +126,21 @@ mpc834x_sys_setup_arch(void) mdata->irq[1] = MPC83xx_IRQ_EXT2; mdata->irq[2] = -1; mdata->irq[31] = -1; - mdata->paddr += binfo->bi_immr_base; /* setup the board related information for the enet controllers */ pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC83xx_TSEC1); if (pdata) { pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; - pdata->bus_id = GFAR_PHY_0; + pdata->bus_id = 0; + pdata->phy_id = 0; memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6); } pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC83xx_TSEC2); if (pdata) { pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; - pdata->bus_id = GFAR_PHY_1; + pdata->bus_id = 0; + pdata->phy_id = 1; memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6); } diff --git a/arch/ppc/platforms/85xx/mpc8540_ads.c b/arch/ppc/platforms/85xx/mpc8540_ads.c index c5cde97c6ef0..2eceb1e6f4eb 100644 --- a/arch/ppc/platforms/85xx/mpc8540_ads.c +++ b/arch/ppc/platforms/85xx/mpc8540_ads.c @@ -52,10 +52,6 @@ #include <syslib/ppc85xx_setup.h> -static const char *GFAR_PHY_0 = "phy0:0"; -static const char *GFAR_PHY_1 = "phy0:1"; -static const char *GFAR_PHY_3 = "phy0:3"; - /* ************************************************************************ * * Setup the architecture @@ -102,27 +98,29 @@ mpc8540ads_setup_arch(void) mdata->irq[2] = -1; mdata->irq[3] = MPC85xx_IRQ_EXT5; mdata->irq[31] = -1; - mdata->paddr += binfo->bi_immr_base; /* setup the board related information for the enet controllers */ pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC1); if (pdata) { pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; - pdata->bus_id = GFAR_PHY_0; + pdata->bus_id = 0; + pdata->phy_id = 0; memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6); } pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC2); if (pdata) { pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; - pdata->bus_id = GFAR_PHY_1; + pdata->bus_id = 0; + pdata->phy_id = 1; memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6); } pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_FEC); if (pdata) { pdata->board_flags = 0; - pdata->bus_id = GFAR_PHY_3; + pdata->bus_id = 0; + pdata->phy_id = 3; memcpy(pdata->mac_addr, binfo->bi_enet2addr, 6); } diff --git a/arch/ppc/platforms/85xx/mpc8560_ads.c b/arch/ppc/platforms/85xx/mpc8560_ads.c index 8e39a5517092..442c7ff195d3 100644 --- a/arch/ppc/platforms/85xx/mpc8560_ads.c +++ b/arch/ppc/platforms/85xx/mpc8560_ads.c @@ -56,10 +56,6 @@ #include <syslib/ppc85xx_setup.h> -static const char *GFAR_PHY_0 = "phy0:0"; -static const char *GFAR_PHY_1 = "phy0:1"; -static const char *GFAR_PHY_3 = "phy0:3"; - /* ************************************************************************ * * Setup the architecture @@ -99,20 +95,21 @@ mpc8560ads_setup_arch(void) mdata->irq[2] = -1; mdata->irq[3] = MPC85xx_IRQ_EXT5; mdata->irq[31] = -1; - mdata->paddr += binfo->bi_immr_base; /* setup the board related information for the enet controllers */ pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC1); if (pdata) { pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; - pdata->bus_id = GFAR_PHY_0; + pdata->bus_id = 0; + pdata->phy_id = 0; memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6); } pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC2); if (pdata) { pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; - pdata->bus_id = GFAR_PHY_1; + pdata->bus_id = 0; + pdata->phy_id = 1; memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6); } diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c index 2959e3c4083d..b332ebae6bd3 100644 --- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c +++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c @@ -395,9 +395,6 @@ mpc85xx_cds_pcibios_fixup(void) TODC_ALLOC(); -static const char *GFAR_PHY_0 = "phy0:0"; -static const char *GFAR_PHY_1 = "phy0:1"; - /* ************************************************************************ * * Setup the architecture @@ -461,34 +458,37 @@ mpc85xx_cds_setup_arch(void) mdata->irq[2] = -1; mdata->irq[3] = -1; mdata->irq[31] = -1; - mdata->paddr += binfo->bi_immr_base; /* setup the board related information for the enet controllers */ pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC1); if (pdata) { pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; - pdata->bus_id = GFAR_PHY_0; + pdata->bus_id = 0; + pdata->phy_id = 0; memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6); } pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC2); if (pdata) { pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; - pdata->bus_id = GFAR_PHY_1; + pdata->bus_id = 0; + pdata->phy_id = 1; memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6); } pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_eTSEC1); if (pdata) { pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; - pdata->bus_id = GFAR_PHY_0; + pdata->bus_id = 0; + pdata->phy_id = 0; memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6); } pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_eTSEC2); if (pdata) { pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; - pdata->bus_id = GFAR_PHY_1; + pdata->bus_id = 0; + pdata->phy_id = 1; memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6); } diff --git a/arch/ppc/platforms/85xx/sbc8560.c b/arch/ppc/platforms/85xx/sbc8560.c index 45a5b81b4ed1..e777ba824aa9 100644 --- a/arch/ppc/platforms/85xx/sbc8560.c +++ b/arch/ppc/platforms/85xx/sbc8560.c @@ -91,9 +91,6 @@ sbc8560_early_serial_map(void) } #endif -static const char *GFAR_PHY_25 = "phy0:25"; -static const char *GFAR_PHY_26 = "phy0:26"; - /* ************************************************************************ * * Setup the architecture @@ -136,20 +133,21 @@ sbc8560_setup_arch(void) mdata->irq[25] = MPC85xx_IRQ_EXT6; mdata->irq[26] = MPC85xx_IRQ_EXT7; mdata->irq[31] = -1; - mdata->paddr += binfo->bi_immr_base; /* setup the board related information for the enet controllers */ pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC1); if (pdata) { pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; - pdata->bus_id = GFAR_PHY_25; + pdata->bus_id = 0; + pdata->phy_id = 25; memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6); } pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC2); if (pdata) { pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; - pdata->bus_id = GFAR_PHY_26; + pdata->bus_id = 0; + pdata->phy_id = 26; memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6); } diff --git a/arch/ppc/platforms/85xx/stx_gp3.c b/arch/ppc/platforms/85xx/stx_gp3.c index 15ce9d070634..061bb7cf2d9a 100644 --- a/arch/ppc/platforms/85xx/stx_gp3.c +++ b/arch/ppc/platforms/85xx/stx_gp3.c @@ -93,9 +93,6 @@ static u8 gp3_openpic_initsenses[] __initdata = { 0x0, /* External 11: */ }; -static const char *GFAR_PHY_2 = "phy0:2"; -static const char *GFAR_PHY_4 = "phy0:4"; - /* * Setup the architecture */ @@ -130,20 +127,21 @@ gp3_setup_arch(void) mdata->irq[2] = MPC85xx_IRQ_EXT5; mdata->irq[4] = MPC85xx_IRQ_EXT5; mdata->irq[31] = -1; - mdata->paddr += binfo->bi_immr_base; /* setup the board related information for the enet controllers */ pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC1); if (pdata) { /* pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; */ - pdata->bus_id = GFAR_PHY_2; + pdata->bus_id = 0; + pdata->phy_id = 2; memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6); } pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC2); if (pdata) { /* pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; */ - pdata->bus_id = GFAR_PHY_4; + pdata->bus_id = 0; + pdata->phy_id = 4; memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6); } diff --git a/arch/ppc/platforms/85xx/tqm85xx.c b/arch/ppc/platforms/85xx/tqm85xx.c index c6dfd8f0f9df..b436f4d0a3fa 100644 --- a/arch/ppc/platforms/85xx/tqm85xx.c +++ b/arch/ppc/platforms/85xx/tqm85xx.c @@ -91,12 +91,6 @@ static u_char tqm85xx_openpic_initsenses[] __initdata = { 0x0, /* External 11: */ }; -static const char *GFAR_PHY_0 = "phy0:2"; -static const char *GFAR_PHY_1 = "phy0:1"; -#ifdef CONFIG_MPC8540 -static const char *GFAR_PHY_3 = "phy0:3"; -#endif - /* ************************************************************************ * * Setup the architecture @@ -149,20 +143,21 @@ tqm85xx_setup_arch(void) mdata->irq[2] = -1; mdata->irq[3] = MPC85xx_IRQ_EXT8; mdata->irq[31] = -1; - mdata->paddr += binfo->bi_immr_base; /* setup the board related information for the enet controllers */ pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC1); if (pdata) { pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; - pdata->bus_id = GFAR_PHY_0; + pdata->bus_id = 0; + pdata->phy_id = 2; memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6); } pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC2); if (pdata) { pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; - pdata->bus_id = GFAR_PHY_1; + pdata->bus_id = 0; + pdata->phy_id = 1; memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6); } @@ -170,7 +165,8 @@ tqm85xx_setup_arch(void) pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_FEC); if (pdata) { pdata->board_flags = 0; - pdata->bus_id = GFAR_PHY_3; + pdata->bus_id = 0; + pdata->phy_id = 3; memcpy(pdata->mac_addr, binfo->bi_enet2addr, 6); } #endif diff --git a/arch/ppc/platforms/Makefile b/arch/ppc/platforms/Makefile index 7c5cdabf6f3c..51430e294b32 100644 --- a/arch/ppc/platforms/Makefile +++ b/arch/ppc/platforms/Makefile @@ -3,26 +3,18 @@ # # Extra CFLAGS so we don't have to do relative includes -CFLAGS_pmac_setup.o += -Iarch/$(ARCH)/mm +CFLAGS_chrp_setup.o += -Iarch/$(ARCH)/mm obj-$(CONFIG_APUS) += apus_setup.o ifeq ($(CONFIG_APUS),y) obj-$(CONFIG_PCI) += apus_pci.o endif -obj-$(CONFIG_PPC_PMAC) += pmac_pic.o pmac_setup.o pmac_time.o \ - pmac_feature.o pmac_pci.o pmac_sleep.o \ - pmac_low_i2c.o pmac_cache.o obj-$(CONFIG_PPC_CHRP) += chrp_setup.o chrp_time.o chrp_pci.o \ chrp_pegasos_eth.o ifeq ($(CONFIG_PPC_CHRP),y) obj-$(CONFIG_NVRAM) += chrp_nvram.o endif obj-$(CONFIG_PPC_PREP) += prep_pci.o prep_setup.o -ifeq ($(CONFIG_PPC_PMAC),y) -obj-$(CONFIG_NVRAM) += pmac_nvram.o -obj-$(CONFIG_CPU_FREQ_PMAC) += pmac_cpufreq.o -endif -obj-$(CONFIG_PMAC_BACKLIGHT) += pmac_backlight.o obj-$(CONFIG_PREP_RESIDUAL) += residual.o obj-$(CONFIG_PQ2ADS) += pq2ads.o obj-$(CONFIG_TQM8260) += tqm8260_setup.o @@ -47,6 +39,5 @@ obj-$(CONFIG_LITE5200) += lite5200.o obj-$(CONFIG_EV64360) += ev64360.o ifeq ($(CONFIG_SMP),y) -obj-$(CONFIG_PPC_PMAC) += pmac_smp.o obj-$(CONFIG_PPC_CHRP) += chrp_smp.o endif diff --git a/arch/ppc/platforms/chrp_pci.c b/arch/ppc/platforms/chrp_pci.c index bd047aac01b1..c7fe6182bb77 100644 --- a/arch/ppc/platforms/chrp_pci.c +++ b/arch/ppc/platforms/chrp_pci.c @@ -275,7 +275,7 @@ chrp_find_bridges(void) setup_python(hose, dev); } else if (is_mot || strncmp(model, "Motorola, Grackle", 17) == 0) { - setup_grackle(hose); + setup_indirect_pci(hose, 0xfec00000, 0xfee00000); } else if (is_longtrail) { void __iomem *p = ioremap(GG2_PCI_CONFIG_BASE, 0x80000); hose->ops = &gg2_pci_ops; diff --git a/arch/ppc/platforms/chrp_setup.c b/arch/ppc/platforms/chrp_setup.c index 056ac2a7b5c1..48996b787378 100644 --- a/arch/ppc/platforms/chrp_setup.c +++ b/arch/ppc/platforms/chrp_setup.c @@ -53,6 +53,7 @@ #include <asm/i8259.h> #include <asm/open_pic.h> #include <asm/xmon.h> +#include "mem_pieces.h" unsigned long chrp_get_rtc_time(void); int chrp_set_rtc_time(unsigned long nowtime); @@ -65,7 +66,6 @@ void rtas_display_progress(char *, unsigned short); void rtas_indicator_progress(char *, unsigned short); void btext_progress(char *, unsigned short); -extern unsigned long pmac_find_end_of_memory(void); extern int of_show_percpuinfo(struct seq_file *, int); int _chrp_type; @@ -467,6 +467,75 @@ chrp_init2(void) ppc_md.progress(" Have fun! ", 0x7777); } +static struct device_node *memory_node; + +static int __init get_mem_prop(char *name, struct mem_pieces *mp) +{ + struct reg_property *rp; + int i, s; + unsigned int *ip; + int nac = prom_n_addr_cells(memory_node); + int nsc = prom_n_size_cells(memory_node); + + ip = (unsigned int *) get_property(memory_node, name, &s); + if (ip == NULL) { + printk(KERN_ERR "error: couldn't get %s property on /memory\n", + name); + return 0; + } + s /= (nsc + nac) * 4; + rp = mp->regions; + for (i = 0; i < s; ++i, ip += nac+nsc) { + if (nac >= 2 && ip[nac-2] != 0) + continue; + rp->address = ip[nac-1]; + if (nsc >= 2 && ip[nac+nsc-2] != 0) + rp->size = ~0U; + else + rp->size = ip[nac+nsc-1]; + ++rp; + } + mp->n_regions = rp - mp->regions; + + /* Make sure the pieces are sorted. */ + mem_pieces_sort(mp); + mem_pieces_coalesce(mp); + return 1; +} + +static unsigned long __init chrp_find_end_of_memory(void) +{ + unsigned long a, total; + struct mem_pieces phys_mem; + + /* + * Find out where physical memory is, and check that it + * starts at 0 and is contiguous. It seems that RAM is + * always physically contiguous on Power Macintoshes. + * + * Supporting discontiguous physical memory isn't hard, + * it just makes the virtual <-> physical mapping functions + * more complicated (or else you end up wasting space + * in mem_map). + */ + memory_node = find_devices("memory"); + if (memory_node == NULL || !get_mem_prop("reg", &phys_mem) + || phys_mem.n_regions == 0) + panic("No RAM??"); + a = phys_mem.regions[0].address; + if (a != 0) + panic("RAM doesn't start at physical address 0"); + total = phys_mem.regions[0].size; + + if (phys_mem.n_regions > 1) { + printk("RAM starting at 0x%x is not contiguous\n", + phys_mem.regions[1].address); + printk("Using RAM from 0 to 0x%lx\n", total-1); + } + + return total; +} + void __init chrp_init(unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7) @@ -525,7 +594,7 @@ chrp_init(unsigned long r3, unsigned long r4, unsigned long r5, ppc_md.get_rtc_time = chrp_get_rtc_time; ppc_md.calibrate_decr = chrp_calibrate_decr; - ppc_md.find_end_of_memory = pmac_find_end_of_memory; + ppc_md.find_end_of_memory = chrp_find_end_of_memory; if (rtas_data) { struct device_node *rtas; diff --git a/arch/ppc/platforms/chrp_time.c b/arch/ppc/platforms/chrp_time.c index 29d074c305f0..57753a55b580 100644 --- a/arch/ppc/platforms/chrp_time.c +++ b/arch/ppc/platforms/chrp_time.c @@ -163,13 +163,75 @@ unsigned long chrp_get_rtc_time(void) return mktime(year, mon, day, hour, min, sec); } +/* + * Calibrate the decrementer frequency with the VIA timer 1. + */ +#define VIA_TIMER_FREQ_6 4700000 /* time 1 frequency * 6 */ + +/* VIA registers */ +#define RS 0x200 /* skip between registers */ +#define T1CL (4*RS) /* Timer 1 ctr/latch (low 8 bits) */ +#define T1CH (5*RS) /* Timer 1 counter (high 8 bits) */ +#define T1LL (6*RS) /* Timer 1 latch (low 8 bits) */ +#define T1LH (7*RS) /* Timer 1 latch (high 8 bits) */ +#define ACR (11*RS) /* Auxiliary control register */ +#define IFR (13*RS) /* Interrupt flag register */ + +/* Bits in ACR */ +#define T1MODE 0xc0 /* Timer 1 mode */ +#define T1MODE_CONT 0x40 /* continuous interrupts */ + +/* Bits in IFR and IER */ +#define T1_INT 0x40 /* Timer 1 interrupt */ + +static int __init chrp_via_calibrate_decr(void) +{ + struct device_node *vias; + volatile unsigned char __iomem *via; + int count = VIA_TIMER_FREQ_6 / 100; + unsigned int dstart, dend; + + vias = find_devices("via-cuda"); + if (vias == 0) + vias = find_devices("via"); + if (vias == 0 || vias->n_addrs == 0) + return 0; + via = ioremap(vias->addrs[0].address, vias->addrs[0].size); + + /* set timer 1 for continuous interrupts */ + out_8(&via[ACR], (via[ACR] & ~T1MODE) | T1MODE_CONT); + /* set the counter to a small value */ + out_8(&via[T1CH], 2); + /* set the latch to `count' */ + out_8(&via[T1LL], count); + out_8(&via[T1LH], count >> 8); + /* wait until it hits 0 */ + while ((in_8(&via[IFR]) & T1_INT) == 0) + ; + dstart = get_dec(); + /* clear the interrupt & wait until it hits 0 again */ + in_8(&via[T1CL]); + while ((in_8(&via[IFR]) & T1_INT) == 0) + ; + dend = get_dec(); + + tb_ticks_per_jiffy = (dstart - dend) / ((6 * HZ)/100); + tb_to_us = mulhwu_scale_factor(dstart - dend, 60000); + + printk(KERN_INFO "via_calibrate_decr: ticks per jiffy = %u (%u ticks)\n", + tb_ticks_per_jiffy, dstart - dend); + + iounmap(via); + + return 1; +} void __init chrp_calibrate_decr(void) { struct device_node *cpu; unsigned int freq, *fp; - if (via_calibrate_decr()) + if (chrp_via_calibrate_decr()) return; /* diff --git a/arch/ppc/platforms/pmac_backlight.c b/arch/ppc/platforms/pmac_backlight.c deleted file mode 100644 index 8be2f7d071f0..000000000000 --- a/arch/ppc/platforms/pmac_backlight.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * Miscellaneous procedures for dealing with the PowerMac hardware. - * Contains support for the backlight. - * - * Copyright (C) 2000 Benjamin Herrenschmidt - * - */ - -#include <linux/config.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/stddef.h> -#include <linux/reboot.h> -#include <linux/nvram.h> -#include <linux/console.h> -#include <asm/sections.h> -#include <asm/ptrace.h> -#include <asm/io.h> -#include <asm/pgtable.h> -#include <asm/system.h> -#include <asm/prom.h> -#include <asm/machdep.h> -#include <asm/nvram.h> -#include <asm/backlight.h> - -#include <linux/adb.h> -#include <linux/pmu.h> - -static struct backlight_controller *backlighter; -static void* backlighter_data; -static int backlight_autosave; -static int backlight_level = BACKLIGHT_MAX; -static int backlight_enabled = 1; -static int backlight_req_level = -1; -static int backlight_req_enable = -1; - -static void backlight_callback(void *); -static DECLARE_WORK(backlight_work, backlight_callback, NULL); - -void register_backlight_controller(struct backlight_controller *ctrler, - void *data, char *type) -{ - struct device_node* bk_node; - char *prop; - int valid = 0; - - /* There's already a matching controller, bail out */ - if (backlighter != NULL) - return; - - bk_node = find_devices("backlight"); - -#ifdef CONFIG_ADB_PMU - /* Special case for the old PowerBook since I can't test on it */ - backlight_autosave = machine_is_compatible("AAPL,3400/2400") - || machine_is_compatible("AAPL,3500"); - if ((backlight_autosave - || machine_is_compatible("AAPL,PowerBook1998") - || machine_is_compatible("PowerBook1,1")) - && !strcmp(type, "pmu")) - valid = 1; -#endif - if (bk_node) { - prop = get_property(bk_node, "backlight-control", NULL); - if (prop && !strncmp(prop, type, strlen(type))) - valid = 1; - } - if (!valid) - return; - backlighter = ctrler; - backlighter_data = data; - - if (bk_node && !backlight_autosave) - prop = get_property(bk_node, "bklt", NULL); - else - prop = NULL; - if (prop) { - backlight_level = ((*prop)+1) >> 1; - if (backlight_level > BACKLIGHT_MAX) - backlight_level = BACKLIGHT_MAX; - } - -#ifdef CONFIG_ADB_PMU - if (backlight_autosave) { - struct adb_request req; - pmu_request(&req, NULL, 2, 0xd9, 0); - while (!req.complete) - pmu_poll(); - backlight_level = req.reply[0] >> 4; - } -#endif - acquire_console_sem(); - if (!backlighter->set_enable(1, backlight_level, data)) - backlight_enabled = 1; - release_console_sem(); - - printk(KERN_INFO "Registered \"%s\" backlight controller," - "level: %d/15\n", type, backlight_level); -} -EXPORT_SYMBOL(register_backlight_controller); - -void unregister_backlight_controller(struct backlight_controller - *ctrler, void *data) -{ - /* We keep the current backlight level (for now) */ - if (ctrler == backlighter && data == backlighter_data) - backlighter = NULL; -} -EXPORT_SYMBOL(unregister_backlight_controller); - -static int __set_backlight_enable(int enable) -{ - int rc; - - if (!backlighter) - return -ENODEV; - acquire_console_sem(); - rc = backlighter->set_enable(enable, backlight_level, - backlighter_data); - if (!rc) - backlight_enabled = enable; - release_console_sem(); - return rc; -} -int set_backlight_enable(int enable) -{ - if (!backlighter) - return -ENODEV; - backlight_req_enable = enable; - schedule_work(&backlight_work); - return 0; -} - -EXPORT_SYMBOL(set_backlight_enable); - -int get_backlight_enable(void) -{ - if (!backlighter) - return -ENODEV; - return backlight_enabled; -} -EXPORT_SYMBOL(get_backlight_enable); - -static int __set_backlight_level(int level) -{ - int rc = 0; - - if (!backlighter) - return -ENODEV; - if (level < BACKLIGHT_MIN) - level = BACKLIGHT_OFF; - if (level > BACKLIGHT_MAX) - level = BACKLIGHT_MAX; - acquire_console_sem(); - if (backlight_enabled) - rc = backlighter->set_level(level, backlighter_data); - if (!rc) - backlight_level = level; - release_console_sem(); - if (!rc && !backlight_autosave) { - level <<=1; - if (level & 0x10) - level |= 0x01; - // -- todo: save to property "bklt" - } - return rc; -} -int set_backlight_level(int level) -{ - if (!backlighter) - return -ENODEV; - backlight_req_level = level; - schedule_work(&backlight_work); - return 0; -} - -EXPORT_SYMBOL(set_backlight_level); - -int get_backlight_level(void) -{ - if (!backlighter) - return -ENODEV; - return backlight_level; -} -EXPORT_SYMBOL(get_backlight_level); - -static void backlight_callback(void *dummy) -{ - int level, enable; - - do { - level = backlight_req_level; - enable = backlight_req_enable; - mb(); - - if (level >= 0) - __set_backlight_level(level); - if (enable >= 0) - __set_backlight_enable(enable); - } while(cmpxchg(&backlight_req_level, level, -1) != level || - cmpxchg(&backlight_req_enable, enable, -1) != enable); -} diff --git a/arch/ppc/platforms/pmac_cache.S b/arch/ppc/platforms/pmac_cache.S deleted file mode 100644 index fb977de6b704..000000000000 --- a/arch/ppc/platforms/pmac_cache.S +++ /dev/null @@ -1,359 +0,0 @@ -/* - * This file contains low-level cache management functions - * used for sleep and CPU speed changes on Apple machines. - * (In fact the only thing that is Apple-specific is that we assume - * that we can read from ROM at physical address 0xfff00000.) - * - * Copyright (C) 2004 Paul Mackerras (paulus@samba.org) and - * Benjamin Herrenschmidt (benh@kernel.crashing.org) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - */ - -#include <linux/config.h> -#include <asm/processor.h> -#include <asm/ppc_asm.h> -#include <asm/cputable.h> - -/* - * Flush and disable all data caches (dL1, L2, L3). This is used - * when going to sleep, when doing a PMU based cpufreq transition, - * or when "offlining" a CPU on SMP machines. This code is over - * paranoid, but I've had enough issues with various CPU revs and - * bugs that I decided it was worth beeing over cautious - */ - -_GLOBAL(flush_disable_caches) -#ifndef CONFIG_6xx - blr -#else -BEGIN_FTR_SECTION - b flush_disable_745x -END_FTR_SECTION_IFSET(CPU_FTR_SPEC7450) -BEGIN_FTR_SECTION - b flush_disable_75x -END_FTR_SECTION_IFSET(CPU_FTR_L2CR) - b __flush_disable_L1 - -/* This is the code for G3 and 74[01]0 */ -flush_disable_75x: - mflr r10 - - /* Turn off EE and DR in MSR */ - mfmsr r11 - rlwinm r0,r11,0,~MSR_EE - rlwinm r0,r0,0,~MSR_DR - sync - mtmsr r0 - isync - - /* Stop DST streams */ -BEGIN_FTR_SECTION - DSSALL - sync -END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) - - /* Stop DPM */ - mfspr r8,SPRN_HID0 /* Save SPRN_HID0 in r8 */ - rlwinm r4,r8,0,12,10 /* Turn off HID0[DPM] */ - sync - mtspr SPRN_HID0,r4 /* Disable DPM */ - sync - - /* Disp-flush L1. We have a weird problem here that I never - * totally figured out. On 750FX, using the ROM for the flush - * results in a non-working flush. We use that workaround for - * now until I finally understand what's going on. --BenH - */ - - /* ROM base by default */ - lis r4,0xfff0 - mfpvr r3 - srwi r3,r3,16 - cmplwi cr0,r3,0x7000 - bne+ 1f - /* RAM base on 750FX */ - li r4,0 -1: li r4,0x4000 - mtctr r4 -1: lwz r0,0(r4) - addi r4,r4,32 - bdnz 1b - sync - isync - - /* Disable / invalidate / enable L1 data */ - mfspr r3,SPRN_HID0 - rlwinm r3,r3,0,~(HID0_DCE | HID0_ICE) - mtspr SPRN_HID0,r3 - sync - isync - ori r3,r3,(HID0_DCE|HID0_DCI|HID0_ICE|HID0_ICFI) - sync - isync - mtspr SPRN_HID0,r3 - xori r3,r3,(HID0_DCI|HID0_ICFI) - mtspr SPRN_HID0,r3 - sync - - /* Get the current enable bit of the L2CR into r4 */ - mfspr r5,SPRN_L2CR - /* Set to data-only (pre-745x bit) */ - oris r3,r5,L2CR_L2DO@h - b 2f - /* When disabling L2, code must be in L1 */ - .balign 32 -1: mtspr SPRN_L2CR,r3 -3: sync - isync - b 1f -2: b 3f -3: sync - isync - b 1b -1: /* disp-flush L2. The interesting thing here is that the L2 can be - * up to 2Mb ... so using the ROM, we'll end up wrapping back to memory - * but that is probbaly fine. We disp-flush over 4Mb to be safe - */ - lis r4,2 - mtctr r4 - lis r4,0xfff0 -1: lwz r0,0(r4) - addi r4,r4,32 - bdnz 1b - sync - isync - lis r4,2 - mtctr r4 - lis r4,0xfff0 -1: dcbf 0,r4 - addi r4,r4,32 - bdnz 1b - sync - isync - - /* now disable L2 */ - rlwinm r5,r5,0,~L2CR_L2E - b 2f - /* When disabling L2, code must be in L1 */ - .balign 32 -1: mtspr SPRN_L2CR,r5 -3: sync - isync - b 1f -2: b 3f -3: sync - isync - b 1b -1: sync - isync - /* Invalidate L2. This is pre-745x, we clear the L2I bit ourselves */ - oris r4,r5,L2CR_L2I@h - mtspr SPRN_L2CR,r4 - sync - isync - - /* Wait for the invalidation to complete */ -1: mfspr r3,SPRN_L2CR - rlwinm. r0,r3,0,31,31 - bne 1b - - /* Clear L2I */ - xoris r4,r4,L2CR_L2I@h - sync - mtspr SPRN_L2CR,r4 - sync - - /* now disable the L1 data cache */ - mfspr r0,SPRN_HID0 - rlwinm r0,r0,0,~(HID0_DCE|HID0_ICE) - mtspr SPRN_HID0,r0 - sync - isync - - /* Restore HID0[DPM] to whatever it was before */ - sync - mfspr r0,SPRN_HID0 - rlwimi r0,r8,0,11,11 /* Turn back HID0[DPM] */ - mtspr SPRN_HID0,r0 - sync - - /* restore DR and EE */ - sync - mtmsr r11 - isync - - mtlr r10 - blr - -/* This code is for 745x processors */ -flush_disable_745x: - /* Turn off EE and DR in MSR */ - mfmsr r11 - rlwinm r0,r11,0,~MSR_EE - rlwinm r0,r0,0,~MSR_DR - sync - mtmsr r0 - isync - - /* Stop prefetch streams */ - DSSALL - sync - - /* Disable L2 prefetching */ - mfspr r0,SPRN_MSSCR0 - rlwinm r0,r0,0,0,29 - mtspr SPRN_MSSCR0,r0 - sync - isync - lis r4,0 - dcbf 0,r4 - dcbf 0,r4 - dcbf 0,r4 - dcbf 0,r4 - dcbf 0,r4 - dcbf 0,r4 - dcbf 0,r4 - dcbf 0,r4 - - /* Due to a bug with the HW flush on some CPU revs, we occasionally - * experience data corruption. I'm adding a displacement flush along - * with a dcbf loop over a few Mb to "help". The problem isn't totally - * fixed by this in theory, but at least, in practice, I couldn't reproduce - * it even with a big hammer... - */ - - lis r4,0x0002 - mtctr r4 - li r4,0 -1: - lwz r0,0(r4) - addi r4,r4,32 /* Go to start of next cache line */ - bdnz 1b - isync - - /* Now, flush the first 4MB of memory */ - lis r4,0x0002 - mtctr r4 - li r4,0 - sync -1: - dcbf 0,r4 - addi r4,r4,32 /* Go to start of next cache line */ - bdnz 1b - - /* Flush and disable the L1 data cache */ - mfspr r6,SPRN_LDSTCR - lis r3,0xfff0 /* read from ROM for displacement flush */ - li r4,0xfe /* start with only way 0 unlocked */ - li r5,128 /* 128 lines in each way */ -1: mtctr r5 - rlwimi r6,r4,0,24,31 - mtspr SPRN_LDSTCR,r6 - sync - isync -2: lwz r0,0(r3) /* touch each cache line */ - addi r3,r3,32 - bdnz 2b - rlwinm r4,r4,1,24,30 /* move on to the next way */ - ori r4,r4,1 - cmpwi r4,0xff /* all done? */ - bne 1b - /* now unlock the L1 data cache */ - li r4,0 - rlwimi r6,r4,0,24,31 - sync - mtspr SPRN_LDSTCR,r6 - sync - isync - - /* Flush the L2 cache using the hardware assist */ - mfspr r3,SPRN_L2CR - cmpwi r3,0 /* check if it is enabled first */ - bge 4f - oris r0,r3,(L2CR_L2IO_745x|L2CR_L2DO_745x)@h - b 2f - /* When disabling/locking L2, code must be in L1 */ - .balign 32 -1: mtspr SPRN_L2CR,r0 /* lock the L2 cache */ -3: sync - isync - b 1f -2: b 3f -3: sync - isync - b 1b -1: sync - isync - ori r0,r3,L2CR_L2HWF_745x - sync - mtspr SPRN_L2CR,r0 /* set the hardware flush bit */ -3: mfspr r0,SPRN_L2CR /* wait for it to go to 0 */ - andi. r0,r0,L2CR_L2HWF_745x - bne 3b - sync - rlwinm r3,r3,0,~L2CR_L2E - b 2f - /* When disabling L2, code must be in L1 */ - .balign 32 -1: mtspr SPRN_L2CR,r3 /* disable the L2 cache */ -3: sync - isync - b 1f -2: b 3f -3: sync - isync - b 1b -1: sync - isync - oris r4,r3,L2CR_L2I@h - mtspr SPRN_L2CR,r4 - sync - isync -1: mfspr r4,SPRN_L2CR - andis. r0,r4,L2CR_L2I@h - bne 1b - sync - -BEGIN_FTR_SECTION - /* Flush the L3 cache using the hardware assist */ -4: mfspr r3,SPRN_L3CR - cmpwi r3,0 /* check if it is enabled */ - bge 6f - oris r0,r3,L3CR_L3IO@h - ori r0,r0,L3CR_L3DO - sync - mtspr SPRN_L3CR,r0 /* lock the L3 cache */ - sync - isync - ori r0,r0,L3CR_L3HWF - sync - mtspr SPRN_L3CR,r0 /* set the hardware flush bit */ -5: mfspr r0,SPRN_L3CR /* wait for it to go to zero */ - andi. r0,r0,L3CR_L3HWF - bne 5b - rlwinm r3,r3,0,~L3CR_L3E - sync - mtspr SPRN_L3CR,r3 /* disable the L3 cache */ - sync - ori r4,r3,L3CR_L3I - mtspr SPRN_L3CR,r4 -1: mfspr r4,SPRN_L3CR - andi. r0,r4,L3CR_L3I - bne 1b - sync -END_FTR_SECTION_IFSET(CPU_FTR_L3CR) - -6: mfspr r0,SPRN_HID0 /* now disable the L1 data cache */ - rlwinm r0,r0,0,~HID0_DCE - mtspr SPRN_HID0,r0 - sync - isync - mtmsr r11 /* restore DR and EE */ - isync - blr -#endif /* CONFIG_6xx */ diff --git a/arch/ppc/platforms/pmac_cpufreq.c b/arch/ppc/platforms/pmac_cpufreq.c deleted file mode 100644 index fba7e4d7c0bf..000000000000 --- a/arch/ppc/platforms/pmac_cpufreq.c +++ /dev/null @@ -1,735 +0,0 @@ -/* - * arch/ppc/platforms/pmac_cpufreq.c - * - * Copyright (C) 2002 - 2005 Benjamin Herrenschmidt <benh@kernel.crashing.org> - * Copyright (C) 2004 John Steele Scott <toojays@toojays.net> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * TODO: Need a big cleanup here. Basically, we need to have different - * cpufreq_driver structures for the different type of HW instead of the - * current mess. We also need to better deal with the detection of the - * type of machine. - * - */ - -#include <linux/config.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/delay.h> -#include <linux/sched.h> -#include <linux/adb.h> -#include <linux/pmu.h> -#include <linux/slab.h> -#include <linux/cpufreq.h> -#include <linux/init.h> -#include <linux/sysdev.h> -#include <linux/i2c.h> -#include <linux/hardirq.h> -#include <asm/prom.h> -#include <asm/machdep.h> -#include <asm/irq.h> -#include <asm/pmac_feature.h> -#include <asm/mmu_context.h> -#include <asm/sections.h> -#include <asm/cputable.h> -#include <asm/time.h> -#include <asm/system.h> -#include <asm/open_pic.h> -#include <asm/keylargo.h> - -/* WARNING !!! This will cause calibrate_delay() to be called, - * but this is an __init function ! So you MUST go edit - * init/main.c to make it non-init before enabling DEBUG_FREQ - */ -#undef DEBUG_FREQ - -/* - * There is a problem with the core cpufreq code on SMP kernels, - * it won't recalculate the Bogomips properly - */ -#ifdef CONFIG_SMP -#warning "WARNING, CPUFREQ not recommended on SMP kernels" -#endif - -extern void low_choose_7447a_dfs(int dfs); -extern void low_choose_750fx_pll(int pll); -extern void low_sleep_handler(void); - -/* - * Currently, PowerMac cpufreq supports only high & low frequencies - * that are set by the firmware - */ -static unsigned int low_freq; -static unsigned int hi_freq; -static unsigned int cur_freq; -static unsigned int sleep_freq; - -/* - * Different models uses different mecanisms to switch the frequency - */ -static int (*set_speed_proc)(int low_speed); -static unsigned int (*get_speed_proc)(void); - -/* - * Some definitions used by the various speedprocs - */ -static u32 voltage_gpio; -static u32 frequency_gpio; -static u32 slew_done_gpio; -static int no_schedule; -static int has_cpu_l2lve; -static int is_pmu_based; - -/* There are only two frequency states for each processor. Values - * are in kHz for the time being. - */ -#define CPUFREQ_HIGH 0 -#define CPUFREQ_LOW 1 - -static struct cpufreq_frequency_table pmac_cpu_freqs[] = { - {CPUFREQ_HIGH, 0}, - {CPUFREQ_LOW, 0}, - {0, CPUFREQ_TABLE_END}, -}; - -static struct freq_attr* pmac_cpu_freqs_attr[] = { - &cpufreq_freq_attr_scaling_available_freqs, - NULL, -}; - -static inline void local_delay(unsigned long ms) -{ - if (no_schedule) - mdelay(ms); - else - msleep(ms); -} - -static inline void wakeup_decrementer(void) -{ - set_dec(tb_ticks_per_jiffy); - /* No currently-supported powerbook has a 601, - * so use get_tbl, not native - */ - last_jiffy_stamp(0) = tb_last_stamp = get_tbl(); -} - -#ifdef DEBUG_FREQ -static inline void debug_calc_bogomips(void) -{ - /* This will cause a recalc of bogomips and display the - * result. We backup/restore the value to avoid affecting the - * core cpufreq framework's own calculation. - */ - extern void calibrate_delay(void); - - unsigned long save_lpj = loops_per_jiffy; - calibrate_delay(); - loops_per_jiffy = save_lpj; -} -#endif /* DEBUG_FREQ */ - -/* Switch CPU speed under 750FX CPU control - */ -static int cpu_750fx_cpu_speed(int low_speed) -{ - u32 hid2; - - if (low_speed == 0) { - /* ramping up, set voltage first */ - pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, voltage_gpio, 0x05); - /* Make sure we sleep for at least 1ms */ - local_delay(10); - - /* tweak L2 for high voltage */ - if (has_cpu_l2lve) { - hid2 = mfspr(SPRN_HID2); - hid2 &= ~0x2000; - mtspr(SPRN_HID2, hid2); - } - } -#ifdef CONFIG_6xx - low_choose_750fx_pll(low_speed); -#endif - if (low_speed == 1) { - /* tweak L2 for low voltage */ - if (has_cpu_l2lve) { - hid2 = mfspr(SPRN_HID2); - hid2 |= 0x2000; - mtspr(SPRN_HID2, hid2); - } - - /* ramping down, set voltage last */ - pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, voltage_gpio, 0x04); - local_delay(10); - } - - return 0; -} - -static unsigned int cpu_750fx_get_cpu_speed(void) -{ - if (mfspr(SPRN_HID1) & HID1_PS) - return low_freq; - else - return hi_freq; -} - -/* Switch CPU speed using DFS */ -static int dfs_set_cpu_speed(int low_speed) -{ - if (low_speed == 0) { - /* ramping up, set voltage first */ - pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, voltage_gpio, 0x05); - /* Make sure we sleep for at least 1ms */ - local_delay(1); - } - - /* set frequency */ -#ifdef CONFIG_6xx - low_choose_7447a_dfs(low_speed); -#endif - udelay(100); - - if (low_speed == 1) { - /* ramping down, set voltage last */ - pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, voltage_gpio, 0x04); - local_delay(1); - } - - return 0; -} - -static unsigned int dfs_get_cpu_speed(void) -{ - if (mfspr(SPRN_HID1) & HID1_DFS) - return low_freq; - else - return hi_freq; -} - - -/* Switch CPU speed using slewing GPIOs - */ -static int gpios_set_cpu_speed(int low_speed) -{ - int gpio, timeout = 0; - - /* If ramping up, set voltage first */ - if (low_speed == 0) { - pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, voltage_gpio, 0x05); - /* Delay is way too big but it's ok, we schedule */ - local_delay(10); - } - - /* Set frequency */ - gpio = pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, frequency_gpio, 0); - if (low_speed == ((gpio & 0x01) == 0)) - goto skip; - - pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, frequency_gpio, - low_speed ? 0x04 : 0x05); - udelay(200); - do { - if (++timeout > 100) - break; - local_delay(1); - gpio = pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, slew_done_gpio, 0); - } while((gpio & 0x02) == 0); - skip: - /* If ramping down, set voltage last */ - if (low_speed == 1) { - pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, voltage_gpio, 0x04); - /* Delay is way too big but it's ok, we schedule */ - local_delay(10); - } - -#ifdef DEBUG_FREQ - debug_calc_bogomips(); -#endif - - return 0; -} - -/* Switch CPU speed under PMU control - */ -static int pmu_set_cpu_speed(int low_speed) -{ - struct adb_request req; - unsigned long save_l2cr; - unsigned long save_l3cr; - unsigned int pic_prio; - unsigned long flags; - - preempt_disable(); - -#ifdef DEBUG_FREQ - printk(KERN_DEBUG "HID1, before: %x\n", mfspr(SPRN_HID1)); -#endif - pmu_suspend(); - - /* Disable all interrupt sources on openpic */ - pic_prio = openpic_get_priority(); - openpic_set_priority(0xf); - - /* Make sure the decrementer won't interrupt us */ - asm volatile("mtdec %0" : : "r" (0x7fffffff)); - /* Make sure any pending DEC interrupt occuring while we did - * the above didn't re-enable the DEC */ - mb(); - asm volatile("mtdec %0" : : "r" (0x7fffffff)); - - /* We can now disable MSR_EE */ - local_irq_save(flags); - - /* Giveup the FPU & vec */ - enable_kernel_fp(); - -#ifdef CONFIG_ALTIVEC - if (cpu_has_feature(CPU_FTR_ALTIVEC)) - enable_kernel_altivec(); -#endif /* CONFIG_ALTIVEC */ - - /* Save & disable L2 and L3 caches */ - save_l3cr = _get_L3CR(); /* (returns -1 if not available) */ - save_l2cr = _get_L2CR(); /* (returns -1 if not available) */ - - /* Send the new speed command. My assumption is that this command - * will cause PLL_CFG[0..3] to be changed next time CPU goes to sleep - */ - pmu_request(&req, NULL, 6, PMU_CPU_SPEED, 'W', 'O', 'O', 'F', low_speed); - while (!req.complete) - pmu_poll(); - - /* Prepare the northbridge for the speed transition */ - pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,1,1); - - /* Call low level code to backup CPU state and recover from - * hardware reset - */ - low_sleep_handler(); - - /* Restore the northbridge */ - pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,1,0); - - /* Restore L2 cache */ - if (save_l2cr != 0xffffffff && (save_l2cr & L2CR_L2E) != 0) - _set_L2CR(save_l2cr); - /* Restore L3 cache */ - if (save_l3cr != 0xffffffff && (save_l3cr & L3CR_L3E) != 0) - _set_L3CR(save_l3cr); - - /* Restore userland MMU context */ - set_context(current->active_mm->context, current->active_mm->pgd); - -#ifdef DEBUG_FREQ - printk(KERN_DEBUG "HID1, after: %x\n", mfspr(SPRN_HID1)); -#endif - - /* Restore low level PMU operations */ - pmu_unlock(); - - /* Restore decrementer */ - wakeup_decrementer(); - - /* Restore interrupts */ - openpic_set_priority(pic_prio); - - /* Let interrupts flow again ... */ - local_irq_restore(flags); - -#ifdef DEBUG_FREQ - debug_calc_bogomips(); -#endif - - pmu_resume(); - - preempt_enable(); - - return 0; -} - -static int do_set_cpu_speed(int speed_mode, int notify) -{ - struct cpufreq_freqs freqs; - unsigned long l3cr; - static unsigned long prev_l3cr; - - freqs.old = cur_freq; - freqs.new = (speed_mode == CPUFREQ_HIGH) ? hi_freq : low_freq; - freqs.cpu = smp_processor_id(); - - if (freqs.old == freqs.new) - return 0; - - if (notify) - cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); - if (speed_mode == CPUFREQ_LOW && - cpu_has_feature(CPU_FTR_L3CR)) { - l3cr = _get_L3CR(); - if (l3cr & L3CR_L3E) { - prev_l3cr = l3cr; - _set_L3CR(0); - } - } - set_speed_proc(speed_mode == CPUFREQ_LOW); - if (speed_mode == CPUFREQ_HIGH && - cpu_has_feature(CPU_FTR_L3CR)) { - l3cr = _get_L3CR(); - if ((prev_l3cr & L3CR_L3E) && l3cr != prev_l3cr) - _set_L3CR(prev_l3cr); - } - if (notify) - cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); - cur_freq = (speed_mode == CPUFREQ_HIGH) ? hi_freq : low_freq; - - return 0; -} - -static unsigned int pmac_cpufreq_get_speed(unsigned int cpu) -{ - return cur_freq; -} - -static int pmac_cpufreq_verify(struct cpufreq_policy *policy) -{ - return cpufreq_frequency_table_verify(policy, pmac_cpu_freqs); -} - -static int pmac_cpufreq_target( struct cpufreq_policy *policy, - unsigned int target_freq, - unsigned int relation) -{ - unsigned int newstate = 0; - - if (cpufreq_frequency_table_target(policy, pmac_cpu_freqs, - target_freq, relation, &newstate)) - return -EINVAL; - - return do_set_cpu_speed(newstate, 1); -} - -unsigned int pmac_get_one_cpufreq(int i) -{ - /* Supports only one CPU for now */ - return (i == 0) ? cur_freq : 0; -} - -static int pmac_cpufreq_cpu_init(struct cpufreq_policy *policy) -{ - if (policy->cpu != 0) - return -ENODEV; - - policy->governor = CPUFREQ_DEFAULT_GOVERNOR; - policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; - policy->cur = cur_freq; - - cpufreq_frequency_table_get_attr(pmac_cpu_freqs, policy->cpu); - return cpufreq_frequency_table_cpuinfo(policy, pmac_cpu_freqs); -} - -static u32 read_gpio(struct device_node *np) -{ - u32 *reg = (u32 *)get_property(np, "reg", NULL); - u32 offset; - - if (reg == NULL) - return 0; - /* That works for all keylargos but shall be fixed properly - * some day... The problem is that it seems we can't rely - * on the "reg" property of the GPIO nodes, they are either - * relative to the base of KeyLargo or to the base of the - * GPIO space, and the device-tree doesn't help. - */ - offset = *reg; - if (offset < KEYLARGO_GPIO_LEVELS0) - offset += KEYLARGO_GPIO_LEVELS0; - return offset; -} - -static int pmac_cpufreq_suspend(struct cpufreq_policy *policy, pm_message_t pmsg) -{ - /* Ok, this could be made a bit smarter, but let's be robust for now. We - * always force a speed change to high speed before sleep, to make sure - * we have appropriate voltage and/or bus speed for the wakeup process, - * and to make sure our loops_per_jiffies are "good enough", that is will - * not cause too short delays if we sleep in low speed and wake in high - * speed.. - */ - no_schedule = 1; - sleep_freq = cur_freq; - if (cur_freq == low_freq && !is_pmu_based) - do_set_cpu_speed(CPUFREQ_HIGH, 0); - return 0; -} - -static int pmac_cpufreq_resume(struct cpufreq_policy *policy) -{ - /* If we resume, first check if we have a get() function */ - if (get_speed_proc) - cur_freq = get_speed_proc(); - else - cur_freq = 0; - - /* We don't, hrm... we don't really know our speed here, best - * is that we force a switch to whatever it was, which is - * probably high speed due to our suspend() routine - */ - do_set_cpu_speed(sleep_freq == low_freq ? - CPUFREQ_LOW : CPUFREQ_HIGH, 0); - - no_schedule = 0; - return 0; -} - -static struct cpufreq_driver pmac_cpufreq_driver = { - .verify = pmac_cpufreq_verify, - .target = pmac_cpufreq_target, - .get = pmac_cpufreq_get_speed, - .init = pmac_cpufreq_cpu_init, - .suspend = pmac_cpufreq_suspend, - .resume = pmac_cpufreq_resume, - .flags = CPUFREQ_PM_NO_WARN, - .attr = pmac_cpu_freqs_attr, - .name = "powermac", - .owner = THIS_MODULE, -}; - - -static int pmac_cpufreq_init_MacRISC3(struct device_node *cpunode) -{ - struct device_node *volt_gpio_np = of_find_node_by_name(NULL, - "voltage-gpio"); - struct device_node *freq_gpio_np = of_find_node_by_name(NULL, - "frequency-gpio"); - struct device_node *slew_done_gpio_np = of_find_node_by_name(NULL, - "slewing-done"); - u32 *value; - - /* - * Check to see if it's GPIO driven or PMU only - * - * The way we extract the GPIO address is slightly hackish, but it - * works well enough for now. We need to abstract the whole GPIO - * stuff sooner or later anyway - */ - - if (volt_gpio_np) - voltage_gpio = read_gpio(volt_gpio_np); - if (freq_gpio_np) - frequency_gpio = read_gpio(freq_gpio_np); - if (slew_done_gpio_np) - slew_done_gpio = read_gpio(slew_done_gpio_np); - - /* If we use the frequency GPIOs, calculate the min/max speeds based - * on the bus frequencies - */ - if (frequency_gpio && slew_done_gpio) { - int lenp, rc; - u32 *freqs, *ratio; - - freqs = (u32 *)get_property(cpunode, "bus-frequencies", &lenp); - lenp /= sizeof(u32); - if (freqs == NULL || lenp != 2) { - printk(KERN_ERR "cpufreq: bus-frequencies incorrect or missing\n"); - return 1; - } - ratio = (u32 *)get_property(cpunode, "processor-to-bus-ratio*2", NULL); - if (ratio == NULL) { - printk(KERN_ERR "cpufreq: processor-to-bus-ratio*2 missing\n"); - return 1; - } - - /* Get the min/max bus frequencies */ - low_freq = min(freqs[0], freqs[1]); - hi_freq = max(freqs[0], freqs[1]); - - /* Grrrr.. It _seems_ that the device-tree is lying on the low bus - * frequency, it claims it to be around 84Mhz on some models while - * it appears to be approx. 101Mhz on all. Let's hack around here... - * fortunately, we don't need to be too precise - */ - if (low_freq < 98000000) - low_freq = 101000000; - - /* Convert those to CPU core clocks */ - low_freq = (low_freq * (*ratio)) / 2000; - hi_freq = (hi_freq * (*ratio)) / 2000; - - /* Now we get the frequencies, we read the GPIO to see what is out current - * speed - */ - rc = pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, frequency_gpio, 0); - cur_freq = (rc & 0x01) ? hi_freq : low_freq; - - set_speed_proc = gpios_set_cpu_speed; - return 1; - } - - /* If we use the PMU, look for the min & max frequencies in the - * device-tree - */ - value = (u32 *)get_property(cpunode, "min-clock-frequency", NULL); - if (!value) - return 1; - low_freq = (*value) / 1000; - /* The PowerBook G4 12" (PowerBook6,1) has an error in the device-tree - * here */ - if (low_freq < 100000) - low_freq *= 10; - - value = (u32 *)get_property(cpunode, "max-clock-frequency", NULL); - if (!value) - return 1; - hi_freq = (*value) / 1000; - set_speed_proc = pmu_set_cpu_speed; - is_pmu_based = 1; - - return 0; -} - -static int pmac_cpufreq_init_7447A(struct device_node *cpunode) -{ - struct device_node *volt_gpio_np; - - if (get_property(cpunode, "dynamic-power-step", NULL) == NULL) - return 1; - - volt_gpio_np = of_find_node_by_name(NULL, "cpu-vcore-select"); - if (volt_gpio_np) - voltage_gpio = read_gpio(volt_gpio_np); - if (!voltage_gpio){ - printk(KERN_ERR "cpufreq: missing cpu-vcore-select gpio\n"); - return 1; - } - - /* OF only reports the high frequency */ - hi_freq = cur_freq; - low_freq = cur_freq/2; - - /* Read actual frequency from CPU */ - cur_freq = dfs_get_cpu_speed(); - set_speed_proc = dfs_set_cpu_speed; - get_speed_proc = dfs_get_cpu_speed; - - return 0; -} - -static int pmac_cpufreq_init_750FX(struct device_node *cpunode) -{ - struct device_node *volt_gpio_np; - u32 pvr, *value; - - if (get_property(cpunode, "dynamic-power-step", NULL) == NULL) - return 1; - - hi_freq = cur_freq; - value = (u32 *)get_property(cpunode, "reduced-clock-frequency", NULL); - if (!value) - return 1; - low_freq = (*value) / 1000; - - volt_gpio_np = of_find_node_by_name(NULL, "cpu-vcore-select"); - if (volt_gpio_np) - voltage_gpio = read_gpio(volt_gpio_np); - - pvr = mfspr(SPRN_PVR); - has_cpu_l2lve = !((pvr & 0xf00) == 0x100); - - set_speed_proc = cpu_750fx_cpu_speed; - get_speed_proc = cpu_750fx_get_cpu_speed; - cur_freq = cpu_750fx_get_cpu_speed(); - - return 0; -} - -/* Currently, we support the following machines: - * - * - Titanium PowerBook 1Ghz (PMU based, 667Mhz & 1Ghz) - * - Titanium PowerBook 800 (PMU based, 667Mhz & 800Mhz) - * - Titanium PowerBook 400 (PMU based, 300Mhz & 400Mhz) - * - Titanium PowerBook 500 (PMU based, 300Mhz & 500Mhz) - * - iBook2 500/600 (PMU based, 400Mhz & 500/600Mhz) - * - iBook2 700 (CPU based, 400Mhz & 700Mhz, support low voltage) - * - Recent MacRISC3 laptops - * - All new machines with 7447A CPUs - */ -static int __init pmac_cpufreq_setup(void) -{ - struct device_node *cpunode; - u32 *value; - - if (strstr(cmd_line, "nocpufreq")) - return 0; - - /* Assume only one CPU */ - cpunode = find_type_devices("cpu"); - if (!cpunode) - goto out; - - /* Get current cpu clock freq */ - value = (u32 *)get_property(cpunode, "clock-frequency", NULL); - if (!value) - goto out; - cur_freq = (*value) / 1000; - - /* Check for 7447A based MacRISC3 */ - if (machine_is_compatible("MacRISC3") && - get_property(cpunode, "dynamic-power-step", NULL) && - PVR_VER(mfspr(SPRN_PVR)) == 0x8003) { - pmac_cpufreq_init_7447A(cpunode); - /* Check for other MacRISC3 machines */ - } else if (machine_is_compatible("PowerBook3,4") || - machine_is_compatible("PowerBook3,5") || - machine_is_compatible("MacRISC3")) { - pmac_cpufreq_init_MacRISC3(cpunode); - /* Else check for iBook2 500/600 */ - } else if (machine_is_compatible("PowerBook4,1")) { - hi_freq = cur_freq; - low_freq = 400000; - set_speed_proc = pmu_set_cpu_speed; - is_pmu_based = 1; - } - /* Else check for TiPb 550 */ - else if (machine_is_compatible("PowerBook3,3") && cur_freq == 550000) { - hi_freq = cur_freq; - low_freq = 500000; - set_speed_proc = pmu_set_cpu_speed; - is_pmu_based = 1; - } - /* Else check for TiPb 400 & 500 */ - else if (machine_is_compatible("PowerBook3,2")) { - /* We only know about the 400 MHz and the 500Mhz model - * they both have 300 MHz as low frequency - */ - if (cur_freq < 350000 || cur_freq > 550000) - goto out; - hi_freq = cur_freq; - low_freq = 300000; - set_speed_proc = pmu_set_cpu_speed; - is_pmu_based = 1; - } - /* Else check for 750FX */ - else if (PVR_VER(mfspr(SPRN_PVR)) == 0x7000) - pmac_cpufreq_init_750FX(cpunode); -out: - if (set_speed_proc == NULL) - return -ENODEV; - - pmac_cpu_freqs[CPUFREQ_LOW].frequency = low_freq; - pmac_cpu_freqs[CPUFREQ_HIGH].frequency = hi_freq; - - printk(KERN_INFO "Registering PowerMac CPU frequency driver\n"); - printk(KERN_INFO "Low: %d Mhz, High: %d Mhz, Boot: %d Mhz\n", - low_freq/1000, hi_freq/1000, cur_freq/1000); - - return cpufreq_register_driver(&pmac_cpufreq_driver); -} - -module_init(pmac_cpufreq_setup); - diff --git a/arch/ppc/platforms/pmac_feature.c b/arch/ppc/platforms/pmac_feature.c deleted file mode 100644 index 6b7b3a150631..000000000000 --- a/arch/ppc/platforms/pmac_feature.c +++ /dev/null @@ -1,3023 +0,0 @@ -/* - * arch/ppc/platforms/pmac_feature.c - * - * Copyright (C) 1996-2001 Paul Mackerras (paulus@cs.anu.edu.au) - * Ben. Herrenschmidt (benh@kernel.crashing.org) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - * TODO: - * - * - Replace mdelay with some schedule loop if possible - * - Shorten some obfuscated delays on some routines (like modem - * power) - * - Refcount some clocks (see darwin) - * - Split split split... - * - */ -#include <linux/config.h> -#include <linux/types.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/spinlock.h> -#include <linux/adb.h> -#include <linux/pmu.h> -#include <linux/ioport.h> -#include <linux/pci.h> -#include <asm/sections.h> -#include <asm/errno.h> -#include <asm/ohare.h> -#include <asm/heathrow.h> -#include <asm/keylargo.h> -#include <asm/uninorth.h> -#include <asm/io.h> -#include <asm/prom.h> -#include <asm/machdep.h> -#include <asm/pmac_feature.h> -#include <asm/dbdma.h> -#include <asm/pci-bridge.h> -#include <asm/pmac_low_i2c.h> - -#undef DEBUG_FEATURE - -#ifdef DEBUG_FEATURE -#define DBG(fmt,...) printk(KERN_DEBUG fmt) -#else -#define DBG(fmt,...) -#endif - -#ifdef CONFIG_6xx -extern int powersave_lowspeed; -#endif - -extern int powersave_nap; -extern struct device_node *k2_skiplist[2]; - - -/* - * We use a single global lock to protect accesses. Each driver has - * to take care of its own locking - */ -static DEFINE_SPINLOCK(feature_lock); - -#define LOCK(flags) spin_lock_irqsave(&feature_lock, flags); -#define UNLOCK(flags) spin_unlock_irqrestore(&feature_lock, flags); - - -/* - * Instance of some macio stuffs - */ -struct macio_chip macio_chips[MAX_MACIO_CHIPS]; - -struct macio_chip* macio_find(struct device_node* child, int type) -{ - while(child) { - int i; - - for (i=0; i < MAX_MACIO_CHIPS && macio_chips[i].of_node; i++) - if (child == macio_chips[i].of_node && - (!type || macio_chips[i].type == type)) - return &macio_chips[i]; - child = child->parent; - } - return NULL; -} -EXPORT_SYMBOL_GPL(macio_find); - -static const char* macio_names[] = -{ - "Unknown", - "Grand Central", - "OHare", - "OHareII", - "Heathrow", - "Gatwick", - "Paddington", - "Keylargo", - "Pangea", - "Intrepid", - "K2" -}; - - - -/* - * Uninorth reg. access. Note that Uni-N regs are big endian - */ - -#define UN_REG(r) (uninorth_base + ((r) >> 2)) -#define UN_IN(r) (in_be32(UN_REG(r))) -#define UN_OUT(r,v) (out_be32(UN_REG(r), (v))) -#define UN_BIS(r,v) (UN_OUT((r), UN_IN(r) | (v))) -#define UN_BIC(r,v) (UN_OUT((r), UN_IN(r) & ~(v))) - -static struct device_node* uninorth_node; -static u32 __iomem * uninorth_base; -static u32 uninorth_rev; -static int uninorth_u3; -static void __iomem *u3_ht; - -/* - * For each motherboard family, we have a table of functions pointers - * that handle the various features. - */ - -typedef long (*feature_call)(struct device_node* node, long param, long value); - -struct feature_table_entry { - unsigned int selector; - feature_call function; -}; - -struct pmac_mb_def -{ - const char* model_string; - const char* model_name; - int model_id; - struct feature_table_entry* features; - unsigned long board_flags; -}; -static struct pmac_mb_def pmac_mb; - -/* - * Here are the chip specific feature functions - */ - -static inline int -simple_feature_tweak(struct device_node* node, int type, int reg, u32 mask, int value) -{ - struct macio_chip* macio; - unsigned long flags; - - macio = macio_find(node, type); - if (!macio) - return -ENODEV; - LOCK(flags); - if (value) - MACIO_BIS(reg, mask); - else - MACIO_BIC(reg, mask); - (void)MACIO_IN32(reg); - UNLOCK(flags); - - return 0; -} - -#ifndef CONFIG_POWER4 - -static long -ohare_htw_scc_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - unsigned long chan_mask; - unsigned long fcr; - unsigned long flags; - int htw, trans; - unsigned long rmask; - - macio = macio_find(node, 0); - if (!macio) - return -ENODEV; - if (!strcmp(node->name, "ch-a")) - chan_mask = MACIO_FLAG_SCCA_ON; - else if (!strcmp(node->name, "ch-b")) - chan_mask = MACIO_FLAG_SCCB_ON; - else - return -ENODEV; - - htw = (macio->type == macio_heathrow || macio->type == macio_paddington - || macio->type == macio_gatwick); - /* On these machines, the HRW_SCC_TRANS_EN_N bit mustn't be touched */ - trans = (pmac_mb.model_id != PMAC_TYPE_YOSEMITE && - pmac_mb.model_id != PMAC_TYPE_YIKES); - if (value) { -#ifdef CONFIG_ADB_PMU - if ((param & 0xfff) == PMAC_SCC_IRDA) - pmu_enable_irled(1); -#endif /* CONFIG_ADB_PMU */ - LOCK(flags); - fcr = MACIO_IN32(OHARE_FCR); - /* Check if scc cell need enabling */ - if (!(fcr & OH_SCC_ENABLE)) { - fcr |= OH_SCC_ENABLE; - if (htw) { - /* Side effect: this will also power up the - * modem, but it's too messy to figure out on which - * ports this controls the tranceiver and on which - * it controls the modem - */ - if (trans) - fcr &= ~HRW_SCC_TRANS_EN_N; - MACIO_OUT32(OHARE_FCR, fcr); - fcr |= (rmask = HRW_RESET_SCC); - MACIO_OUT32(OHARE_FCR, fcr); - } else { - fcr |= (rmask = OH_SCC_RESET); - MACIO_OUT32(OHARE_FCR, fcr); - } - UNLOCK(flags); - (void)MACIO_IN32(OHARE_FCR); - mdelay(15); - LOCK(flags); - fcr &= ~rmask; - MACIO_OUT32(OHARE_FCR, fcr); - } - if (chan_mask & MACIO_FLAG_SCCA_ON) - fcr |= OH_SCCA_IO; - if (chan_mask & MACIO_FLAG_SCCB_ON) - fcr |= OH_SCCB_IO; - MACIO_OUT32(OHARE_FCR, fcr); - macio->flags |= chan_mask; - UNLOCK(flags); - if (param & PMAC_SCC_FLAG_XMON) - macio->flags |= MACIO_FLAG_SCC_LOCKED; - } else { - if (macio->flags & MACIO_FLAG_SCC_LOCKED) - return -EPERM; - LOCK(flags); - fcr = MACIO_IN32(OHARE_FCR); - if (chan_mask & MACIO_FLAG_SCCA_ON) - fcr &= ~OH_SCCA_IO; - if (chan_mask & MACIO_FLAG_SCCB_ON) - fcr &= ~OH_SCCB_IO; - MACIO_OUT32(OHARE_FCR, fcr); - if ((fcr & (OH_SCCA_IO | OH_SCCB_IO)) == 0) { - fcr &= ~OH_SCC_ENABLE; - if (htw && trans) - fcr |= HRW_SCC_TRANS_EN_N; - MACIO_OUT32(OHARE_FCR, fcr); - } - macio->flags &= ~(chan_mask); - UNLOCK(flags); - mdelay(10); -#ifdef CONFIG_ADB_PMU - if ((param & 0xfff) == PMAC_SCC_IRDA) - pmu_enable_irled(0); -#endif /* CONFIG_ADB_PMU */ - } - return 0; -} - -static long -ohare_floppy_enable(struct device_node* node, long param, long value) -{ - return simple_feature_tweak(node, macio_ohare, - OHARE_FCR, OH_FLOPPY_ENABLE, value); -} - -static long -ohare_mesh_enable(struct device_node* node, long param, long value) -{ - return simple_feature_tweak(node, macio_ohare, - OHARE_FCR, OH_MESH_ENABLE, value); -} - -static long -ohare_ide_enable(struct device_node* node, long param, long value) -{ - switch(param) { - case 0: - /* For some reason, setting the bit in set_initial_features() - * doesn't stick. I'm still investigating... --BenH. - */ - if (value) - simple_feature_tweak(node, macio_ohare, - OHARE_FCR, OH_IOBUS_ENABLE, 1); - return simple_feature_tweak(node, macio_ohare, - OHARE_FCR, OH_IDE0_ENABLE, value); - case 1: - return simple_feature_tweak(node, macio_ohare, - OHARE_FCR, OH_BAY_IDE_ENABLE, value); - default: - return -ENODEV; - } -} - -static long -ohare_ide_reset(struct device_node* node, long param, long value) -{ - switch(param) { - case 0: - return simple_feature_tweak(node, macio_ohare, - OHARE_FCR, OH_IDE0_RESET_N, !value); - case 1: - return simple_feature_tweak(node, macio_ohare, - OHARE_FCR, OH_IDE1_RESET_N, !value); - default: - return -ENODEV; - } -} - -static long -ohare_sleep_state(struct device_node* node, long param, long value) -{ - struct macio_chip* macio = &macio_chips[0]; - - if ((pmac_mb.board_flags & PMAC_MB_CAN_SLEEP) == 0) - return -EPERM; - if (value == 1) { - MACIO_BIC(OHARE_FCR, OH_IOBUS_ENABLE); - } else if (value == 0) { - MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE); - } - - return 0; -} - -static long -heathrow_modem_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - u8 gpio; - unsigned long flags; - - macio = macio_find(node, macio_unknown); - if (!macio) - return -ENODEV; - gpio = MACIO_IN8(HRW_GPIO_MODEM_RESET) & ~1; - if (!value) { - LOCK(flags); - MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio); - UNLOCK(flags); - (void)MACIO_IN8(HRW_GPIO_MODEM_RESET); - mdelay(250); - } - if (pmac_mb.model_id != PMAC_TYPE_YOSEMITE && - pmac_mb.model_id != PMAC_TYPE_YIKES) { - LOCK(flags); - if (value) - MACIO_BIC(HEATHROW_FCR, HRW_SCC_TRANS_EN_N); - else - MACIO_BIS(HEATHROW_FCR, HRW_SCC_TRANS_EN_N); - UNLOCK(flags); - (void)MACIO_IN32(HEATHROW_FCR); - mdelay(250); - } - if (value) { - LOCK(flags); - MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio | 1); - (void)MACIO_IN8(HRW_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); LOCK(flags); - MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio); - (void)MACIO_IN8(HRW_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); LOCK(flags); - MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio | 1); - (void)MACIO_IN8(HRW_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); - } - return 0; -} - -static long -heathrow_floppy_enable(struct device_node* node, long param, long value) -{ - return simple_feature_tweak(node, macio_unknown, - HEATHROW_FCR, - HRW_SWIM_ENABLE|HRW_BAY_FLOPPY_ENABLE, - value); -} - -static long -heathrow_mesh_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - unsigned long flags; - - macio = macio_find(node, macio_unknown); - if (!macio) - return -ENODEV; - LOCK(flags); - /* Set clear mesh cell enable */ - if (value) - MACIO_BIS(HEATHROW_FCR, HRW_MESH_ENABLE); - else - MACIO_BIC(HEATHROW_FCR, HRW_MESH_ENABLE); - (void)MACIO_IN32(HEATHROW_FCR); - udelay(10); - /* Set/Clear termination power */ - if (value) - MACIO_BIC(HEATHROW_MBCR, 0x04000000); - else - MACIO_BIS(HEATHROW_MBCR, 0x04000000); - (void)MACIO_IN32(HEATHROW_MBCR); - udelay(10); - UNLOCK(flags); - - return 0; -} - -static long -heathrow_ide_enable(struct device_node* node, long param, long value) -{ - switch(param) { - case 0: - return simple_feature_tweak(node, macio_unknown, - HEATHROW_FCR, HRW_IDE0_ENABLE, value); - case 1: - return simple_feature_tweak(node, macio_unknown, - HEATHROW_FCR, HRW_BAY_IDE_ENABLE, value); - default: - return -ENODEV; - } -} - -static long -heathrow_ide_reset(struct device_node* node, long param, long value) -{ - switch(param) { - case 0: - return simple_feature_tweak(node, macio_unknown, - HEATHROW_FCR, HRW_IDE0_RESET_N, !value); - case 1: - return simple_feature_tweak(node, macio_unknown, - HEATHROW_FCR, HRW_IDE1_RESET_N, !value); - default: - return -ENODEV; - } -} - -static long -heathrow_bmac_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - unsigned long flags; - - macio = macio_find(node, 0); - if (!macio) - return -ENODEV; - if (value) { - LOCK(flags); - MACIO_BIS(HEATHROW_FCR, HRW_BMAC_IO_ENABLE); - MACIO_BIS(HEATHROW_FCR, HRW_BMAC_RESET); - UNLOCK(flags); - (void)MACIO_IN32(HEATHROW_FCR); - mdelay(10); - LOCK(flags); - MACIO_BIC(HEATHROW_FCR, HRW_BMAC_RESET); - UNLOCK(flags); - (void)MACIO_IN32(HEATHROW_FCR); - mdelay(10); - } else { - LOCK(flags); - MACIO_BIC(HEATHROW_FCR, HRW_BMAC_IO_ENABLE); - UNLOCK(flags); - } - return 0; -} - -static long -heathrow_sound_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - unsigned long flags; - - /* B&W G3 and Yikes don't support that properly (the - * sound appear to never come back after beeing shut down). - */ - if (pmac_mb.model_id == PMAC_TYPE_YOSEMITE || - pmac_mb.model_id == PMAC_TYPE_YIKES) - return 0; - - macio = macio_find(node, 0); - if (!macio) - return -ENODEV; - if (value) { - LOCK(flags); - MACIO_BIS(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE); - MACIO_BIC(HEATHROW_FCR, HRW_SOUND_POWER_N); - UNLOCK(flags); - (void)MACIO_IN32(HEATHROW_FCR); - } else { - LOCK(flags); - MACIO_BIS(HEATHROW_FCR, HRW_SOUND_POWER_N); - MACIO_BIC(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE); - UNLOCK(flags); - } - return 0; -} - -static u32 save_fcr[6]; -static u32 save_mbcr; -static u32 save_gpio_levels[2]; -static u8 save_gpio_extint[KEYLARGO_GPIO_EXTINT_CNT]; -static u8 save_gpio_normal[KEYLARGO_GPIO_CNT]; -static u32 save_unin_clock_ctl; -static struct dbdma_regs save_dbdma[13]; -static struct dbdma_regs save_alt_dbdma[13]; - -static void -dbdma_save(struct macio_chip* macio, struct dbdma_regs* save) -{ - int i; - - /* Save state & config of DBDMA channels */ - for (i=0; i<13; i++) { - volatile struct dbdma_regs __iomem * chan = (void __iomem *) - (macio->base + ((0x8000+i*0x100)>>2)); - save[i].cmdptr_hi = in_le32(&chan->cmdptr_hi); - save[i].cmdptr = in_le32(&chan->cmdptr); - save[i].intr_sel = in_le32(&chan->intr_sel); - save[i].br_sel = in_le32(&chan->br_sel); - save[i].wait_sel = in_le32(&chan->wait_sel); - } -} - -static void -dbdma_restore(struct macio_chip* macio, struct dbdma_regs* save) -{ - int i; - - /* Save state & config of DBDMA channels */ - for (i=0; i<13; i++) { - volatile struct dbdma_regs __iomem * chan = (void __iomem *) - (macio->base + ((0x8000+i*0x100)>>2)); - out_le32(&chan->control, (ACTIVE|DEAD|WAKE|FLUSH|PAUSE|RUN)<<16); - while (in_le32(&chan->status) & ACTIVE) - mb(); - out_le32(&chan->cmdptr_hi, save[i].cmdptr_hi); - out_le32(&chan->cmdptr, save[i].cmdptr); - out_le32(&chan->intr_sel, save[i].intr_sel); - out_le32(&chan->br_sel, save[i].br_sel); - out_le32(&chan->wait_sel, save[i].wait_sel); - } -} - -static void -heathrow_sleep(struct macio_chip* macio, int secondary) -{ - if (secondary) { - dbdma_save(macio, save_alt_dbdma); - save_fcr[2] = MACIO_IN32(0x38); - save_fcr[3] = MACIO_IN32(0x3c); - } else { - dbdma_save(macio, save_dbdma); - save_fcr[0] = MACIO_IN32(0x38); - save_fcr[1] = MACIO_IN32(0x3c); - save_mbcr = MACIO_IN32(0x34); - /* Make sure sound is shut down */ - MACIO_BIS(HEATHROW_FCR, HRW_SOUND_POWER_N); - MACIO_BIC(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE); - /* This seems to be necessary as well or the fan - * keeps coming up and battery drains fast */ - MACIO_BIC(HEATHROW_FCR, HRW_IOBUS_ENABLE); - MACIO_BIC(HEATHROW_FCR, HRW_IDE0_RESET_N); - /* Make sure eth is down even if module or sleep - * won't work properly */ - MACIO_BIC(HEATHROW_FCR, HRW_BMAC_IO_ENABLE | HRW_BMAC_RESET); - } - /* Make sure modem is shut down */ - MACIO_OUT8(HRW_GPIO_MODEM_RESET, - MACIO_IN8(HRW_GPIO_MODEM_RESET) & ~1); - MACIO_BIS(HEATHROW_FCR, HRW_SCC_TRANS_EN_N); - MACIO_BIC(HEATHROW_FCR, OH_SCCA_IO|OH_SCCB_IO|HRW_SCC_ENABLE); - - /* Let things settle */ - (void)MACIO_IN32(HEATHROW_FCR); -} - -static void -heathrow_wakeup(struct macio_chip* macio, int secondary) -{ - if (secondary) { - MACIO_OUT32(0x38, save_fcr[2]); - (void)MACIO_IN32(0x38); - mdelay(1); - MACIO_OUT32(0x3c, save_fcr[3]); - (void)MACIO_IN32(0x38); - mdelay(10); - dbdma_restore(macio, save_alt_dbdma); - } else { - MACIO_OUT32(0x38, save_fcr[0] | HRW_IOBUS_ENABLE); - (void)MACIO_IN32(0x38); - mdelay(1); - MACIO_OUT32(0x3c, save_fcr[1]); - (void)MACIO_IN32(0x38); - mdelay(1); - MACIO_OUT32(0x34, save_mbcr); - (void)MACIO_IN32(0x38); - mdelay(10); - dbdma_restore(macio, save_dbdma); - } -} - -static long -heathrow_sleep_state(struct device_node* node, long param, long value) -{ - if ((pmac_mb.board_flags & PMAC_MB_CAN_SLEEP) == 0) - return -EPERM; - if (value == 1) { - if (macio_chips[1].type == macio_gatwick) - heathrow_sleep(&macio_chips[0], 1); - heathrow_sleep(&macio_chips[0], 0); - } else if (value == 0) { - heathrow_wakeup(&macio_chips[0], 0); - if (macio_chips[1].type == macio_gatwick) - heathrow_wakeup(&macio_chips[0], 1); - } - return 0; -} - -static long -core99_scc_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - unsigned long flags; - unsigned long chan_mask; - u32 fcr; - - macio = macio_find(node, 0); - if (!macio) - return -ENODEV; - if (!strcmp(node->name, "ch-a")) - chan_mask = MACIO_FLAG_SCCA_ON; - else if (!strcmp(node->name, "ch-b")) - chan_mask = MACIO_FLAG_SCCB_ON; - else - return -ENODEV; - - if (value) { - int need_reset_scc = 0; - int need_reset_irda = 0; - - LOCK(flags); - fcr = MACIO_IN32(KEYLARGO_FCR0); - /* Check if scc cell need enabling */ - if (!(fcr & KL0_SCC_CELL_ENABLE)) { - fcr |= KL0_SCC_CELL_ENABLE; - need_reset_scc = 1; - } - if (chan_mask & MACIO_FLAG_SCCA_ON) { - fcr |= KL0_SCCA_ENABLE; - /* Don't enable line drivers for I2S modem */ - if ((param & 0xfff) == PMAC_SCC_I2S1) - fcr &= ~KL0_SCC_A_INTF_ENABLE; - else - fcr |= KL0_SCC_A_INTF_ENABLE; - } - if (chan_mask & MACIO_FLAG_SCCB_ON) { - fcr |= KL0_SCCB_ENABLE; - /* Perform irda specific inits */ - if ((param & 0xfff) == PMAC_SCC_IRDA) { - fcr &= ~KL0_SCC_B_INTF_ENABLE; - fcr |= KL0_IRDA_ENABLE; - fcr |= KL0_IRDA_CLK32_ENABLE | KL0_IRDA_CLK19_ENABLE; - fcr |= KL0_IRDA_SOURCE1_SEL; - fcr &= ~(KL0_IRDA_FAST_CONNECT|KL0_IRDA_DEFAULT1|KL0_IRDA_DEFAULT0); - fcr &= ~(KL0_IRDA_SOURCE2_SEL|KL0_IRDA_HIGH_BAND); - need_reset_irda = 1; - } else - fcr |= KL0_SCC_B_INTF_ENABLE; - } - MACIO_OUT32(KEYLARGO_FCR0, fcr); - macio->flags |= chan_mask; - if (need_reset_scc) { - MACIO_BIS(KEYLARGO_FCR0, KL0_SCC_RESET); - (void)MACIO_IN32(KEYLARGO_FCR0); - UNLOCK(flags); - mdelay(15); - LOCK(flags); - MACIO_BIC(KEYLARGO_FCR0, KL0_SCC_RESET); - } - if (need_reset_irda) { - MACIO_BIS(KEYLARGO_FCR0, KL0_IRDA_RESET); - (void)MACIO_IN32(KEYLARGO_FCR0); - UNLOCK(flags); - mdelay(15); - LOCK(flags); - MACIO_BIC(KEYLARGO_FCR0, KL0_IRDA_RESET); - } - UNLOCK(flags); - if (param & PMAC_SCC_FLAG_XMON) - macio->flags |= MACIO_FLAG_SCC_LOCKED; - } else { - if (macio->flags & MACIO_FLAG_SCC_LOCKED) - return -EPERM; - LOCK(flags); - fcr = MACIO_IN32(KEYLARGO_FCR0); - if (chan_mask & MACIO_FLAG_SCCA_ON) - fcr &= ~KL0_SCCA_ENABLE; - if (chan_mask & MACIO_FLAG_SCCB_ON) { - fcr &= ~KL0_SCCB_ENABLE; - /* Perform irda specific clears */ - if ((param & 0xfff) == PMAC_SCC_IRDA) { - fcr &= ~KL0_IRDA_ENABLE; - fcr &= ~(KL0_IRDA_CLK32_ENABLE | KL0_IRDA_CLK19_ENABLE); - fcr &= ~(KL0_IRDA_FAST_CONNECT|KL0_IRDA_DEFAULT1|KL0_IRDA_DEFAULT0); - fcr &= ~(KL0_IRDA_SOURCE1_SEL|KL0_IRDA_SOURCE2_SEL|KL0_IRDA_HIGH_BAND); - } - } - MACIO_OUT32(KEYLARGO_FCR0, fcr); - if ((fcr & (KL0_SCCA_ENABLE | KL0_SCCB_ENABLE)) == 0) { - fcr &= ~KL0_SCC_CELL_ENABLE; - MACIO_OUT32(KEYLARGO_FCR0, fcr); - } - macio->flags &= ~(chan_mask); - UNLOCK(flags); - mdelay(10); - } - return 0; -} - -static long -core99_modem_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - u8 gpio; - unsigned long flags; - - /* Hack for internal USB modem */ - if (node == NULL) { - if (macio_chips[0].type != macio_keylargo) - return -ENODEV; - node = macio_chips[0].of_node; - } - macio = macio_find(node, 0); - if (!macio) - return -ENODEV; - gpio = MACIO_IN8(KL_GPIO_MODEM_RESET); - gpio |= KEYLARGO_GPIO_OUTPUT_ENABLE; - gpio &= ~KEYLARGO_GPIO_OUTOUT_DATA; - - if (!value) { - LOCK(flags); - MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio); - UNLOCK(flags); - (void)MACIO_IN8(KL_GPIO_MODEM_RESET); - mdelay(250); - } - LOCK(flags); - if (value) { - MACIO_BIC(KEYLARGO_FCR2, KL2_ALT_DATA_OUT); - UNLOCK(flags); - (void)MACIO_IN32(KEYLARGO_FCR2); - mdelay(250); - } else { - MACIO_BIS(KEYLARGO_FCR2, KL2_ALT_DATA_OUT); - UNLOCK(flags); - } - if (value) { - LOCK(flags); - MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA); - (void)MACIO_IN8(KL_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); LOCK(flags); - MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio); - (void)MACIO_IN8(KL_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); LOCK(flags); - MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA); - (void)MACIO_IN8(KL_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); - } - return 0; -} - -static long -pangea_modem_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - u8 gpio; - unsigned long flags; - - /* Hack for internal USB modem */ - if (node == NULL) { - if (macio_chips[0].type != macio_pangea && - macio_chips[0].type != macio_intrepid) - return -ENODEV; - node = macio_chips[0].of_node; - } - macio = macio_find(node, 0); - if (!macio) - return -ENODEV; - gpio = MACIO_IN8(KL_GPIO_MODEM_RESET); - gpio |= KEYLARGO_GPIO_OUTPUT_ENABLE; - gpio &= ~KEYLARGO_GPIO_OUTOUT_DATA; - - if (!value) { - LOCK(flags); - MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio); - UNLOCK(flags); - (void)MACIO_IN8(KL_GPIO_MODEM_RESET); - mdelay(250); - } - LOCK(flags); - if (value) { - MACIO_OUT8(KL_GPIO_MODEM_POWER, - KEYLARGO_GPIO_OUTPUT_ENABLE); - UNLOCK(flags); - (void)MACIO_IN32(KEYLARGO_FCR2); - mdelay(250); - } else { - MACIO_OUT8(KL_GPIO_MODEM_POWER, - KEYLARGO_GPIO_OUTPUT_ENABLE | KEYLARGO_GPIO_OUTOUT_DATA); - UNLOCK(flags); - } - if (value) { - LOCK(flags); - MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA); - (void)MACIO_IN8(KL_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); LOCK(flags); - MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio); - (void)MACIO_IN8(KL_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); LOCK(flags); - MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA); - (void)MACIO_IN8(KL_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); - } - return 0; -} - -static long -core99_ata100_enable(struct device_node* node, long value) -{ - unsigned long flags; - struct pci_dev *pdev = NULL; - u8 pbus, pid; - - if (uninorth_rev < 0x24) - return -ENODEV; - - LOCK(flags); - if (value) - UN_BIS(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_ATA100); - else - UN_BIC(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_ATA100); - (void)UN_IN(UNI_N_CLOCK_CNTL); - UNLOCK(flags); - udelay(20); - - if (value) { - if (pci_device_from_OF_node(node, &pbus, &pid) == 0) - pdev = pci_find_slot(pbus, pid); - if (pdev == NULL) - return 0; - pci_enable_device(pdev); - pci_set_master(pdev); - } - return 0; -} - -static long -core99_ide_enable(struct device_node* node, long param, long value) -{ - /* Bus ID 0 to 2 are KeyLargo based IDE, busID 3 is U2 - * based ata-100 - */ - switch(param) { - case 0: - return simple_feature_tweak(node, macio_unknown, - KEYLARGO_FCR1, KL1_EIDE0_ENABLE, value); - case 1: - return simple_feature_tweak(node, macio_unknown, - KEYLARGO_FCR1, KL1_EIDE1_ENABLE, value); - case 2: - return simple_feature_tweak(node, macio_unknown, - KEYLARGO_FCR1, KL1_UIDE_ENABLE, value); - case 3: - return core99_ata100_enable(node, value); - default: - return -ENODEV; - } -} - -static long -core99_ide_reset(struct device_node* node, long param, long value) -{ - switch(param) { - case 0: - return simple_feature_tweak(node, macio_unknown, - KEYLARGO_FCR1, KL1_EIDE0_RESET_N, !value); - case 1: - return simple_feature_tweak(node, macio_unknown, - KEYLARGO_FCR1, KL1_EIDE1_RESET_N, !value); - case 2: - return simple_feature_tweak(node, macio_unknown, - KEYLARGO_FCR1, KL1_UIDE_RESET_N, !value); - default: - return -ENODEV; - } -} - -static long -core99_gmac_enable(struct device_node* node, long param, long value) -{ - unsigned long flags; - - LOCK(flags); - if (value) - UN_BIS(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_GMAC); - else - UN_BIC(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_GMAC); - (void)UN_IN(UNI_N_CLOCK_CNTL); - UNLOCK(flags); - udelay(20); - - return 0; -} - -static long -core99_gmac_phy_reset(struct device_node* node, long param, long value) -{ - unsigned long flags; - struct macio_chip* macio; - - macio = &macio_chips[0]; - if (macio->type != macio_keylargo && macio->type != macio_pangea && - macio->type != macio_intrepid) - return -ENODEV; - - LOCK(flags); - MACIO_OUT8(KL_GPIO_ETH_PHY_RESET, KEYLARGO_GPIO_OUTPUT_ENABLE); - (void)MACIO_IN8(KL_GPIO_ETH_PHY_RESET); - UNLOCK(flags); - mdelay(10); - LOCK(flags); - MACIO_OUT8(KL_GPIO_ETH_PHY_RESET, /*KEYLARGO_GPIO_OUTPUT_ENABLE | */ - KEYLARGO_GPIO_OUTOUT_DATA); - UNLOCK(flags); - mdelay(10); - - return 0; -} - -static long -core99_sound_chip_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - unsigned long flags; - - macio = macio_find(node, 0); - if (!macio) - return -ENODEV; - - /* Do a better probe code, screamer G4 desktops & - * iMacs can do that too, add a recalibrate in - * the driver as well - */ - if (pmac_mb.model_id == PMAC_TYPE_PISMO || - pmac_mb.model_id == PMAC_TYPE_TITANIUM) { - LOCK(flags); - if (value) - MACIO_OUT8(KL_GPIO_SOUND_POWER, - KEYLARGO_GPIO_OUTPUT_ENABLE | - KEYLARGO_GPIO_OUTOUT_DATA); - else - MACIO_OUT8(KL_GPIO_SOUND_POWER, - KEYLARGO_GPIO_OUTPUT_ENABLE); - (void)MACIO_IN8(KL_GPIO_SOUND_POWER); - UNLOCK(flags); - } - return 0; -} - -static long -core99_airport_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - unsigned long flags; - int state; - - macio = macio_find(node, 0); - if (!macio) - return -ENODEV; - - /* Hint: we allow passing of macio itself for the sake of the - * sleep code - */ - if (node != macio->of_node && - (!node->parent || node->parent != macio->of_node)) - return -ENODEV; - state = (macio->flags & MACIO_FLAG_AIRPORT_ON) != 0; - if (value == state) - return 0; - if (value) { - /* This code is a reproduction of OF enable-cardslot - * and init-wireless methods, slightly hacked until - * I got it working. - */ - LOCK(flags); - MACIO_OUT8(KEYLARGO_GPIO_0+0xf, 5); - (void)MACIO_IN8(KEYLARGO_GPIO_0+0xf); - UNLOCK(flags); - mdelay(10); - LOCK(flags); - MACIO_OUT8(KEYLARGO_GPIO_0+0xf, 4); - (void)MACIO_IN8(KEYLARGO_GPIO_0+0xf); - UNLOCK(flags); - - mdelay(10); - - LOCK(flags); - MACIO_BIC(KEYLARGO_FCR2, KL2_CARDSEL_16); - (void)MACIO_IN32(KEYLARGO_FCR2); - udelay(10); - MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+0xb, 0); - (void)MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+0xb); - udelay(10); - MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+0xa, 0x28); - (void)MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+0xa); - udelay(10); - MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+0xd, 0x28); - (void)MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+0xd); - udelay(10); - MACIO_OUT8(KEYLARGO_GPIO_0+0xd, 0x28); - (void)MACIO_IN8(KEYLARGO_GPIO_0+0xd); - udelay(10); - MACIO_OUT8(KEYLARGO_GPIO_0+0xe, 0x28); - (void)MACIO_IN8(KEYLARGO_GPIO_0+0xe); - UNLOCK(flags); - udelay(10); - MACIO_OUT32(0x1c000, 0); - mdelay(1); - MACIO_OUT8(0x1a3e0, 0x41); - (void)MACIO_IN8(0x1a3e0); - udelay(10); - LOCK(flags); - MACIO_BIS(KEYLARGO_FCR2, KL2_CARDSEL_16); - (void)MACIO_IN32(KEYLARGO_FCR2); - UNLOCK(flags); - mdelay(100); - - macio->flags |= MACIO_FLAG_AIRPORT_ON; - } else { - LOCK(flags); - MACIO_BIC(KEYLARGO_FCR2, KL2_CARDSEL_16); - (void)MACIO_IN32(KEYLARGO_FCR2); - MACIO_OUT8(KL_GPIO_AIRPORT_0, 0); - MACIO_OUT8(KL_GPIO_AIRPORT_1, 0); - MACIO_OUT8(KL_GPIO_AIRPORT_2, 0); - MACIO_OUT8(KL_GPIO_AIRPORT_3, 0); - MACIO_OUT8(KL_GPIO_AIRPORT_4, 0); - (void)MACIO_IN8(KL_GPIO_AIRPORT_4); - UNLOCK(flags); - - macio->flags &= ~MACIO_FLAG_AIRPORT_ON; - } - return 0; -} - -#ifdef CONFIG_SMP -static long -core99_reset_cpu(struct device_node* node, long param, long value) -{ - unsigned int reset_io = 0; - unsigned long flags; - struct macio_chip* macio; - struct device_node* np; - const int dflt_reset_lines[] = { KL_GPIO_RESET_CPU0, - KL_GPIO_RESET_CPU1, - KL_GPIO_RESET_CPU2, - KL_GPIO_RESET_CPU3 }; - - macio = &macio_chips[0]; - if (macio->type != macio_keylargo) - return -ENODEV; - - np = find_path_device("/cpus"); - if (np == NULL) - return -ENODEV; - for (np = np->child; np != NULL; np = np->sibling) { - u32* num = (u32 *)get_property(np, "reg", NULL); - u32* rst = (u32 *)get_property(np, "soft-reset", NULL); - if (num == NULL || rst == NULL) - continue; - if (param == *num) { - reset_io = *rst; - break; - } - } - if (np == NULL || reset_io == 0) - reset_io = dflt_reset_lines[param]; - - LOCK(flags); - MACIO_OUT8(reset_io, KEYLARGO_GPIO_OUTPUT_ENABLE); - (void)MACIO_IN8(reset_io); - udelay(1); - MACIO_OUT8(reset_io, 0); - (void)MACIO_IN8(reset_io); - UNLOCK(flags); - - return 0; -} -#endif /* CONFIG_SMP */ - -static long -core99_usb_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - unsigned long flags; - char* prop; - int number; - u32 reg; - - macio = &macio_chips[0]; - if (macio->type != macio_keylargo && macio->type != macio_pangea && - macio->type != macio_intrepid) - return -ENODEV; - - prop = (char *)get_property(node, "AAPL,clock-id", NULL); - if (!prop) - return -ENODEV; - if (strncmp(prop, "usb0u048", 8) == 0) - number = 0; - else if (strncmp(prop, "usb1u148", 8) == 0) - number = 2; - else if (strncmp(prop, "usb2u248", 8) == 0) - number = 4; - else - return -ENODEV; - - /* Sorry for the brute-force locking, but this is only used during - * sleep and the timing seem to be critical - */ - LOCK(flags); - if (value) { - /* Turn ON */ - if (number == 0) { - MACIO_BIC(KEYLARGO_FCR0, (KL0_USB0_PAD_SUSPEND0 | KL0_USB0_PAD_SUSPEND1)); - (void)MACIO_IN32(KEYLARGO_FCR0); - UNLOCK(flags); - mdelay(1); - LOCK(flags); - MACIO_BIS(KEYLARGO_FCR0, KL0_USB0_CELL_ENABLE); - } else if (number == 2) { - MACIO_BIC(KEYLARGO_FCR0, (KL0_USB1_PAD_SUSPEND0 | KL0_USB1_PAD_SUSPEND1)); - UNLOCK(flags); - (void)MACIO_IN32(KEYLARGO_FCR0); - mdelay(1); - LOCK(flags); - MACIO_BIS(KEYLARGO_FCR0, KL0_USB1_CELL_ENABLE); - } else if (number == 4) { - MACIO_BIC(KEYLARGO_FCR1, (KL1_USB2_PAD_SUSPEND0 | KL1_USB2_PAD_SUSPEND1)); - UNLOCK(flags); - (void)MACIO_IN32(KEYLARGO_FCR1); - mdelay(1); - LOCK(flags); - MACIO_BIS(KEYLARGO_FCR1, KL1_USB2_CELL_ENABLE); - } - if (number < 4) { - reg = MACIO_IN32(KEYLARGO_FCR4); - reg &= ~(KL4_PORT_WAKEUP_ENABLE(number) | KL4_PORT_RESUME_WAKE_EN(number) | - KL4_PORT_CONNECT_WAKE_EN(number) | KL4_PORT_DISCONNECT_WAKE_EN(number)); - reg &= ~(KL4_PORT_WAKEUP_ENABLE(number+1) | KL4_PORT_RESUME_WAKE_EN(number+1) | - KL4_PORT_CONNECT_WAKE_EN(number+1) | KL4_PORT_DISCONNECT_WAKE_EN(number+1)); - MACIO_OUT32(KEYLARGO_FCR4, reg); - (void)MACIO_IN32(KEYLARGO_FCR4); - udelay(10); - } else { - reg = MACIO_IN32(KEYLARGO_FCR3); - reg &= ~(KL3_IT_PORT_WAKEUP_ENABLE(0) | KL3_IT_PORT_RESUME_WAKE_EN(0) | - KL3_IT_PORT_CONNECT_WAKE_EN(0) | KL3_IT_PORT_DISCONNECT_WAKE_EN(0)); - reg &= ~(KL3_IT_PORT_WAKEUP_ENABLE(1) | KL3_IT_PORT_RESUME_WAKE_EN(1) | - KL3_IT_PORT_CONNECT_WAKE_EN(1) | KL3_IT_PORT_DISCONNECT_WAKE_EN(1)); - MACIO_OUT32(KEYLARGO_FCR3, reg); - (void)MACIO_IN32(KEYLARGO_FCR3); - udelay(10); - } - if (macio->type == macio_intrepid) { - /* wait for clock stopped bits to clear */ - u32 test0 = 0, test1 = 0; - u32 status0, status1; - int timeout = 1000; - - UNLOCK(flags); - switch (number) { - case 0: - test0 = UNI_N_CLOCK_STOPPED_USB0; - test1 = UNI_N_CLOCK_STOPPED_USB0PCI; - break; - case 2: - test0 = UNI_N_CLOCK_STOPPED_USB1; - test1 = UNI_N_CLOCK_STOPPED_USB1PCI; - break; - case 4: - test0 = UNI_N_CLOCK_STOPPED_USB2; - test1 = UNI_N_CLOCK_STOPPED_USB2PCI; - break; - } - do { - if (--timeout <= 0) { - printk(KERN_ERR "core99_usb_enable: " - "Timeout waiting for clocks\n"); - break; - } - mdelay(1); - status0 = UN_IN(UNI_N_CLOCK_STOP_STATUS0); - status1 = UN_IN(UNI_N_CLOCK_STOP_STATUS1); - } while ((status0 & test0) | (status1 & test1)); - LOCK(flags); - } - } else { - /* Turn OFF */ - if (number < 4) { - reg = MACIO_IN32(KEYLARGO_FCR4); - reg |= KL4_PORT_WAKEUP_ENABLE(number) | KL4_PORT_RESUME_WAKE_EN(number) | - KL4_PORT_CONNECT_WAKE_EN(number) | KL4_PORT_DISCONNECT_WAKE_EN(number); - reg |= KL4_PORT_WAKEUP_ENABLE(number+1) | KL4_PORT_RESUME_WAKE_EN(number+1) | - KL4_PORT_CONNECT_WAKE_EN(number+1) | KL4_PORT_DISCONNECT_WAKE_EN(number+1); - MACIO_OUT32(KEYLARGO_FCR4, reg); - (void)MACIO_IN32(KEYLARGO_FCR4); - udelay(1); - } else { - reg = MACIO_IN32(KEYLARGO_FCR3); - reg |= KL3_IT_PORT_WAKEUP_ENABLE(0) | KL3_IT_PORT_RESUME_WAKE_EN(0) | - KL3_IT_PORT_CONNECT_WAKE_EN(0) | KL3_IT_PORT_DISCONNECT_WAKE_EN(0); - reg |= KL3_IT_PORT_WAKEUP_ENABLE(1) | KL3_IT_PORT_RESUME_WAKE_EN(1) | - KL3_IT_PORT_CONNECT_WAKE_EN(1) | KL3_IT_PORT_DISCONNECT_WAKE_EN(1); - MACIO_OUT32(KEYLARGO_FCR3, reg); - (void)MACIO_IN32(KEYLARGO_FCR3); - udelay(1); - } - if (number == 0) { - if (macio->type != macio_intrepid) - MACIO_BIC(KEYLARGO_FCR0, KL0_USB0_CELL_ENABLE); - (void)MACIO_IN32(KEYLARGO_FCR0); - udelay(1); - MACIO_BIS(KEYLARGO_FCR0, (KL0_USB0_PAD_SUSPEND0 | KL0_USB0_PAD_SUSPEND1)); - (void)MACIO_IN32(KEYLARGO_FCR0); - } else if (number == 2) { - if (macio->type != macio_intrepid) - MACIO_BIC(KEYLARGO_FCR0, KL0_USB1_CELL_ENABLE); - (void)MACIO_IN32(KEYLARGO_FCR0); - udelay(1); - MACIO_BIS(KEYLARGO_FCR0, (KL0_USB1_PAD_SUSPEND0 | KL0_USB1_PAD_SUSPEND1)); - (void)MACIO_IN32(KEYLARGO_FCR0); - } else if (number == 4) { - udelay(1); - MACIO_BIS(KEYLARGO_FCR1, (KL1_USB2_PAD_SUSPEND0 | KL1_USB2_PAD_SUSPEND1)); - (void)MACIO_IN32(KEYLARGO_FCR1); - } - udelay(1); - } - UNLOCK(flags); - - return 0; -} - -static long -core99_firewire_enable(struct device_node* node, long param, long value) -{ - unsigned long flags; - struct macio_chip* macio; - - macio = &macio_chips[0]; - if (macio->type != macio_keylargo && macio->type != macio_pangea && - macio->type != macio_intrepid) - return -ENODEV; - if (!(macio->flags & MACIO_FLAG_FW_SUPPORTED)) - return -ENODEV; - - LOCK(flags); - if (value) { - UN_BIS(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_FW); - (void)UN_IN(UNI_N_CLOCK_CNTL); - } else { - UN_BIC(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_FW); - (void)UN_IN(UNI_N_CLOCK_CNTL); - } - UNLOCK(flags); - mdelay(1); - - return 0; -} - -static long -core99_firewire_cable_power(struct device_node* node, long param, long value) -{ - unsigned long flags; - struct macio_chip* macio; - - /* Trick: we allow NULL node */ - if ((pmac_mb.board_flags & PMAC_MB_HAS_FW_POWER) == 0) - return -ENODEV; - macio = &macio_chips[0]; - if (macio->type != macio_keylargo && macio->type != macio_pangea && - macio->type != macio_intrepid) - return -ENODEV; - if (!(macio->flags & MACIO_FLAG_FW_SUPPORTED)) - return -ENODEV; - - LOCK(flags); - if (value) { - MACIO_OUT8(KL_GPIO_FW_CABLE_POWER , 0); - MACIO_IN8(KL_GPIO_FW_CABLE_POWER); - udelay(10); - } else { - MACIO_OUT8(KL_GPIO_FW_CABLE_POWER , 4); - MACIO_IN8(KL_GPIO_FW_CABLE_POWER); udelay(10); - } - UNLOCK(flags); - mdelay(1); - - return 0; -} - -static long -intrepid_aack_delay_enable(struct device_node* node, long param, long value) -{ - unsigned long flags; - - if (uninorth_rev < 0xd2) - return -ENODEV; - - LOCK(flags); - if (param) - UN_BIS(UNI_N_AACK_DELAY, UNI_N_AACK_DELAY_ENABLE); - else - UN_BIC(UNI_N_AACK_DELAY, UNI_N_AACK_DELAY_ENABLE); - UNLOCK(flags); - - return 0; -} - - -#endif /* CONFIG_POWER4 */ - -static long -core99_read_gpio(struct device_node* node, long param, long value) -{ - struct macio_chip* macio = &macio_chips[0]; - - return MACIO_IN8(param); -} - - -static long -core99_write_gpio(struct device_node* node, long param, long value) -{ - struct macio_chip* macio = &macio_chips[0]; - - MACIO_OUT8(param, (u8)(value & 0xff)); - return 0; -} - -#ifdef CONFIG_POWER4 - -static long -g5_gmac_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio = &macio_chips[0]; - unsigned long flags; - u8 pbus, pid; - - LOCK(flags); - if (value) { - MACIO_BIS(KEYLARGO_FCR1, K2_FCR1_GMAC_CLK_ENABLE); - mb(); - k2_skiplist[0] = NULL; - } else { - k2_skiplist[0] = node; - mb(); - MACIO_BIC(KEYLARGO_FCR1, K2_FCR1_GMAC_CLK_ENABLE); - } - - UNLOCK(flags); - mdelay(1); - - return 0; -} - -static long -g5_fw_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio = &macio_chips[0]; - unsigned long flags; - - LOCK(flags); - if (value) { - MACIO_BIS(KEYLARGO_FCR1, K2_FCR1_FW_CLK_ENABLE); - mb(); - k2_skiplist[1] = NULL; - } else { - k2_skiplist[1] = node; - mb(); - MACIO_BIC(KEYLARGO_FCR1, K2_FCR1_FW_CLK_ENABLE); - } - - UNLOCK(flags); - mdelay(1); - - return 0; -} - -static long -g5_mpic_enable(struct device_node* node, long param, long value) -{ - unsigned long flags; - - if (node->parent == NULL || strcmp(node->parent->name, "u3")) - return 0; - - LOCK(flags); - UN_BIS(U3_TOGGLE_REG, U3_MPIC_RESET | U3_MPIC_OUTPUT_ENABLE); - UNLOCK(flags); - - return 0; -} - -#ifdef CONFIG_SMP -static long -g5_reset_cpu(struct device_node* node, long param, long value) -{ - unsigned int reset_io = 0; - unsigned long flags; - struct macio_chip* macio; - struct device_node* np; - - macio = &macio_chips[0]; - if (macio->type != macio_keylargo2) - return -ENODEV; - - np = find_path_device("/cpus"); - if (np == NULL) - return -ENODEV; - for (np = np->child; np != NULL; np = np->sibling) { - u32* num = (u32 *)get_property(np, "reg", NULL); - u32* rst = (u32 *)get_property(np, "soft-reset", NULL); - if (num == NULL || rst == NULL) - continue; - if (param == *num) { - reset_io = *rst; - break; - } - } - if (np == NULL || reset_io == 0) - return -ENODEV; - - LOCK(flags); - MACIO_OUT8(reset_io, KEYLARGO_GPIO_OUTPUT_ENABLE); - (void)MACIO_IN8(reset_io); - udelay(1); - MACIO_OUT8(reset_io, 0); - (void)MACIO_IN8(reset_io); - UNLOCK(flags); - - return 0; -} -#endif /* CONFIG_SMP */ - -/* - * This can be called from pmac_smp so isn't static - * - * This takes the second CPU off the bus on dual CPU machines - * running UP - */ -void g5_phy_disable_cpu1(void) -{ - UN_OUT(U3_API_PHY_CONFIG_1, 0); -} - -#endif /* CONFIG_POWER4 */ - -#ifndef CONFIG_POWER4 - -static void -keylargo_shutdown(struct macio_chip* macio, int sleep_mode) -{ - u32 temp; - - if (sleep_mode) { - mdelay(1); - MACIO_BIS(KEYLARGO_FCR0, KL0_USB_REF_SUSPEND); - (void)MACIO_IN32(KEYLARGO_FCR0); - mdelay(1); - } - - MACIO_BIC(KEYLARGO_FCR0,KL0_SCCA_ENABLE | KL0_SCCB_ENABLE | - KL0_SCC_CELL_ENABLE | - KL0_IRDA_ENABLE | KL0_IRDA_CLK32_ENABLE | - KL0_IRDA_CLK19_ENABLE); - - MACIO_BIC(KEYLARGO_MBCR, KL_MBCR_MB0_DEV_MASK); - MACIO_BIS(KEYLARGO_MBCR, KL_MBCR_MB0_IDE_ENABLE); - - MACIO_BIC(KEYLARGO_FCR1, - KL1_AUDIO_SEL_22MCLK | KL1_AUDIO_CLK_ENABLE_BIT | - KL1_AUDIO_CLK_OUT_ENABLE | KL1_AUDIO_CELL_ENABLE | - KL1_I2S0_CELL_ENABLE | KL1_I2S0_CLK_ENABLE_BIT | - KL1_I2S0_ENABLE | KL1_I2S1_CELL_ENABLE | - KL1_I2S1_CLK_ENABLE_BIT | KL1_I2S1_ENABLE | - KL1_EIDE0_ENABLE | KL1_EIDE0_RESET_N | - KL1_EIDE1_ENABLE | KL1_EIDE1_RESET_N | - KL1_UIDE_ENABLE); - - MACIO_BIS(KEYLARGO_FCR2, KL2_ALT_DATA_OUT); - MACIO_BIC(KEYLARGO_FCR2, KL2_IOBUS_ENABLE); - - temp = MACIO_IN32(KEYLARGO_FCR3); - if (macio->rev >= 2) { - temp |= KL3_SHUTDOWN_PLL2X; - if (sleep_mode) - temp |= KL3_SHUTDOWN_PLL_TOTAL; - } - - temp |= KL3_SHUTDOWN_PLLKW6 | KL3_SHUTDOWN_PLLKW4 | - KL3_SHUTDOWN_PLLKW35; - if (sleep_mode) - temp |= KL3_SHUTDOWN_PLLKW12; - temp &= ~(KL3_CLK66_ENABLE | KL3_CLK49_ENABLE | KL3_CLK45_ENABLE - | KL3_CLK31_ENABLE | KL3_I2S1_CLK18_ENABLE | KL3_I2S0_CLK18_ENABLE); - if (sleep_mode) - temp &= ~(KL3_TIMER_CLK18_ENABLE | KL3_VIA_CLK16_ENABLE); - MACIO_OUT32(KEYLARGO_FCR3, temp); - - /* Flush posted writes & wait a bit */ - (void)MACIO_IN32(KEYLARGO_FCR0); mdelay(1); -} - -static void -pangea_shutdown(struct macio_chip* macio, int sleep_mode) -{ - u32 temp; - - MACIO_BIC(KEYLARGO_FCR0,KL0_SCCA_ENABLE | KL0_SCCB_ENABLE | - KL0_SCC_CELL_ENABLE | - KL0_USB0_CELL_ENABLE | KL0_USB1_CELL_ENABLE); - - MACIO_BIC(KEYLARGO_FCR1, - KL1_AUDIO_SEL_22MCLK | KL1_AUDIO_CLK_ENABLE_BIT | - KL1_AUDIO_CLK_OUT_ENABLE | KL1_AUDIO_CELL_ENABLE | - KL1_I2S0_CELL_ENABLE | KL1_I2S0_CLK_ENABLE_BIT | - KL1_I2S0_ENABLE | KL1_I2S1_CELL_ENABLE | - KL1_I2S1_CLK_ENABLE_BIT | KL1_I2S1_ENABLE | - KL1_UIDE_ENABLE); - if (pmac_mb.board_flags & PMAC_MB_MOBILE) - MACIO_BIC(KEYLARGO_FCR1, KL1_UIDE_RESET_N); - - MACIO_BIS(KEYLARGO_FCR2, KL2_ALT_DATA_OUT); - - temp = MACIO_IN32(KEYLARGO_FCR3); - temp |= KL3_SHUTDOWN_PLLKW6 | KL3_SHUTDOWN_PLLKW4 | - KL3_SHUTDOWN_PLLKW35; - temp &= ~(KL3_CLK49_ENABLE | KL3_CLK45_ENABLE | KL3_CLK31_ENABLE - | KL3_I2S0_CLK18_ENABLE | KL3_I2S1_CLK18_ENABLE); - if (sleep_mode) - temp &= ~(KL3_VIA_CLK16_ENABLE | KL3_TIMER_CLK18_ENABLE); - MACIO_OUT32(KEYLARGO_FCR3, temp); - - /* Flush posted writes & wait a bit */ - (void)MACIO_IN32(KEYLARGO_FCR0); mdelay(1); -} - -static void -intrepid_shutdown(struct macio_chip* macio, int sleep_mode) -{ - u32 temp; - - MACIO_BIC(KEYLARGO_FCR0,KL0_SCCA_ENABLE | KL0_SCCB_ENABLE | - KL0_SCC_CELL_ENABLE); - - MACIO_BIC(KEYLARGO_FCR1, - /*KL1_USB2_CELL_ENABLE |*/ - KL1_I2S0_CELL_ENABLE | KL1_I2S0_CLK_ENABLE_BIT | - KL1_I2S0_ENABLE | KL1_I2S1_CELL_ENABLE | - KL1_I2S1_CLK_ENABLE_BIT | KL1_I2S1_ENABLE); - if (pmac_mb.board_flags & PMAC_MB_MOBILE) - MACIO_BIC(KEYLARGO_FCR1, KL1_UIDE_RESET_N); - - temp = MACIO_IN32(KEYLARGO_FCR3); - temp &= ~(KL3_CLK49_ENABLE | KL3_CLK45_ENABLE | - KL3_I2S1_CLK18_ENABLE | KL3_I2S0_CLK18_ENABLE); - if (sleep_mode) - temp &= ~(KL3_TIMER_CLK18_ENABLE | KL3_IT_VIA_CLK32_ENABLE); - MACIO_OUT32(KEYLARGO_FCR3, temp); - - /* Flush posted writes & wait a bit */ - (void)MACIO_IN32(KEYLARGO_FCR0); - mdelay(10); -} - - -void pmac_tweak_clock_spreading(int enable) -{ - struct macio_chip* macio = &macio_chips[0]; - - /* Hack for doing clock spreading on some machines PowerBooks and - * iBooks. This implements the "platform-do-clockspreading" OF - * property as decoded manually on various models. For safety, we also - * check the product ID in the device-tree in cases we'll whack the i2c - * chip to make reasonably sure we won't set wrong values in there - * - * Of course, ultimately, we have to implement a real parser for - * the platform-do-* stuff... - */ - - if (macio->type == macio_intrepid) { - struct device_node *clock = - of_find_node_by_path("/uni-n@f8000000/hw-clock"); - if (clock && get_property(clock, "platform-do-clockspreading", - NULL)) { - printk(KERN_INFO "%sabling clock spreading on Intrepid" - " ASIC\n", enable ? "En" : "Dis"); - if (enable) - UN_OUT(UNI_N_CLOCK_SPREADING, 2); - else - UN_OUT(UNI_N_CLOCK_SPREADING, 0); - mdelay(40); - } - of_node_put(clock); - } - - while (machine_is_compatible("PowerBook5,2") || - machine_is_compatible("PowerBook5,3") || - machine_is_compatible("PowerBook6,2") || - machine_is_compatible("PowerBook6,3")) { - struct device_node *ui2c = of_find_node_by_type(NULL, "i2c"); - struct device_node *dt = of_find_node_by_name(NULL, "device-tree"); - u8 buffer[9]; - u32 *productID; - int i, rc, changed = 0; - - if (dt == NULL) - break; - productID = (u32 *)get_property(dt, "pid#", NULL); - if (productID == NULL) - break; - while(ui2c) { - struct device_node *p = of_get_parent(ui2c); - if (p && !strcmp(p->name, "uni-n")) - break; - ui2c = of_find_node_by_type(ui2c, "i2c"); - } - if (ui2c == NULL) - break; - DBG("Trying to bump clock speed for PID: %08x...\n", *productID); - rc = pmac_low_i2c_open(ui2c, 1); - if (rc != 0) - break; - pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_combined); - rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_read, 0x80, buffer, 9); - DBG("read result: %d,", rc); - if (rc != 0) { - pmac_low_i2c_close(ui2c); - break; - } - for (i=0; i<9; i++) - DBG(" %02x", buffer[i]); - DBG("\n"); - - switch(*productID) { - case 0x1182: /* AlBook 12" rev 2 */ - case 0x1183: /* iBook G4 12" */ - buffer[0] = (buffer[0] & 0x8f) | 0x70; - buffer[2] = (buffer[2] & 0x7f) | 0x00; - buffer[5] = (buffer[5] & 0x80) | 0x31; - buffer[6] = (buffer[6] & 0x40) | 0xb0; - buffer[7] = (buffer[7] & 0x00) | (enable ? 0xc0 : 0xba); - buffer[8] = (buffer[8] & 0x00) | 0x30; - changed = 1; - break; - case 0x3142: /* AlBook 15" (ATI M10) */ - case 0x3143: /* AlBook 17" (ATI M10) */ - buffer[0] = (buffer[0] & 0xaf) | 0x50; - buffer[2] = (buffer[2] & 0x7f) | 0x00; - buffer[5] = (buffer[5] & 0x80) | 0x31; - buffer[6] = (buffer[6] & 0x40) | 0xb0; - buffer[7] = (buffer[7] & 0x00) | (enable ? 0xd0 : 0xc0); - buffer[8] = (buffer[8] & 0x00) | 0x30; - changed = 1; - break; - default: - DBG("i2c-hwclock: Machine model not handled\n"); - break; - } - if (!changed) { - pmac_low_i2c_close(ui2c); - break; - } - printk(KERN_INFO "%sabling clock spreading on i2c clock chip\n", - enable ? "En" : "Dis"); - pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_stdsub); - rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_write, 0x80, buffer, 9); - DBG("write result: %d,", rc); - pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_combined); - rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_read, 0x80, buffer, 9); - DBG("read result: %d,", rc); - if (rc != 0) { - pmac_low_i2c_close(ui2c); - break; - } - for (i=0; i<9; i++) - DBG(" %02x", buffer[i]); - pmac_low_i2c_close(ui2c); - break; - } -} - - -static int -core99_sleep(void) -{ - struct macio_chip* macio; - int i; - - macio = &macio_chips[0]; - if (macio->type != macio_keylargo && macio->type != macio_pangea && - macio->type != macio_intrepid) - return -ENODEV; - - /* We power off the wireless slot in case it was not done - * by the driver. We don't power it on automatically however - */ - if (macio->flags & MACIO_FLAG_AIRPORT_ON) - core99_airport_enable(macio->of_node, 0, 0); - - /* We power off the FW cable. Should be done by the driver... */ - if (macio->flags & MACIO_FLAG_FW_SUPPORTED) { - core99_firewire_enable(NULL, 0, 0); - core99_firewire_cable_power(NULL, 0, 0); - } - - /* We make sure int. modem is off (in case driver lost it) */ - if (macio->type == macio_keylargo) - core99_modem_enable(macio->of_node, 0, 0); - else - pangea_modem_enable(macio->of_node, 0, 0); - - /* We make sure the sound is off as well */ - core99_sound_chip_enable(macio->of_node, 0, 0); - - /* - * Save various bits of KeyLargo - */ - - /* Save the state of the various GPIOs */ - save_gpio_levels[0] = MACIO_IN32(KEYLARGO_GPIO_LEVELS0); - save_gpio_levels[1] = MACIO_IN32(KEYLARGO_GPIO_LEVELS1); - for (i=0; i<KEYLARGO_GPIO_EXTINT_CNT; i++) - save_gpio_extint[i] = MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+i); - for (i=0; i<KEYLARGO_GPIO_CNT; i++) - save_gpio_normal[i] = MACIO_IN8(KEYLARGO_GPIO_0+i); - - /* Save the FCRs */ - if (macio->type == macio_keylargo) - save_mbcr = MACIO_IN32(KEYLARGO_MBCR); - save_fcr[0] = MACIO_IN32(KEYLARGO_FCR0); - save_fcr[1] = MACIO_IN32(KEYLARGO_FCR1); - save_fcr[2] = MACIO_IN32(KEYLARGO_FCR2); - save_fcr[3] = MACIO_IN32(KEYLARGO_FCR3); - save_fcr[4] = MACIO_IN32(KEYLARGO_FCR4); - if (macio->type == macio_pangea || macio->type == macio_intrepid) - save_fcr[5] = MACIO_IN32(KEYLARGO_FCR5); - - /* Save state & config of DBDMA channels */ - dbdma_save(macio, save_dbdma); - - /* - * Turn off as much as we can - */ - if (macio->type == macio_pangea) - pangea_shutdown(macio, 1); - else if (macio->type == macio_intrepid) - intrepid_shutdown(macio, 1); - else if (macio->type == macio_keylargo) - keylargo_shutdown(macio, 1); - - /* - * Put the host bridge to sleep - */ - - save_unin_clock_ctl = UN_IN(UNI_N_CLOCK_CNTL); - /* Note: do not switch GMAC off, driver does it when necessary, WOL must keep it - * enabled ! - */ - UN_OUT(UNI_N_CLOCK_CNTL, save_unin_clock_ctl & - ~(/*UNI_N_CLOCK_CNTL_GMAC|*/UNI_N_CLOCK_CNTL_FW/*|UNI_N_CLOCK_CNTL_PCI*/)); - udelay(100); - UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_SLEEPING); - UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_SLEEP); - mdelay(10); - - /* - * FIXME: A bit of black magic with OpenPIC (don't ask me why) - */ - if (pmac_mb.model_id == PMAC_TYPE_SAWTOOTH) { - MACIO_BIS(0x506e0, 0x00400000); - MACIO_BIS(0x506e0, 0x80000000); - } - return 0; -} - -static int -core99_wake_up(void) -{ - struct macio_chip* macio; - int i; - - macio = &macio_chips[0]; - if (macio->type != macio_keylargo && macio->type != macio_pangea && - macio->type != macio_intrepid) - return -ENODEV; - - /* - * Wakeup the host bridge - */ - UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_NORMAL); - udelay(10); - UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_RUNNING); - udelay(10); - - /* - * Restore KeyLargo - */ - - if (macio->type == macio_keylargo) { - MACIO_OUT32(KEYLARGO_MBCR, save_mbcr); - (void)MACIO_IN32(KEYLARGO_MBCR); udelay(10); - } - MACIO_OUT32(KEYLARGO_FCR0, save_fcr[0]); - (void)MACIO_IN32(KEYLARGO_FCR0); udelay(10); - MACIO_OUT32(KEYLARGO_FCR1, save_fcr[1]); - (void)MACIO_IN32(KEYLARGO_FCR1); udelay(10); - MACIO_OUT32(KEYLARGO_FCR2, save_fcr[2]); - (void)MACIO_IN32(KEYLARGO_FCR2); udelay(10); - MACIO_OUT32(KEYLARGO_FCR3, save_fcr[3]); - (void)MACIO_IN32(KEYLARGO_FCR3); udelay(10); - MACIO_OUT32(KEYLARGO_FCR4, save_fcr[4]); - (void)MACIO_IN32(KEYLARGO_FCR4); udelay(10); - if (macio->type == macio_pangea || macio->type == macio_intrepid) { - MACIO_OUT32(KEYLARGO_FCR5, save_fcr[5]); - (void)MACIO_IN32(KEYLARGO_FCR5); udelay(10); - } - - dbdma_restore(macio, save_dbdma); - - MACIO_OUT32(KEYLARGO_GPIO_LEVELS0, save_gpio_levels[0]); - MACIO_OUT32(KEYLARGO_GPIO_LEVELS1, save_gpio_levels[1]); - for (i=0; i<KEYLARGO_GPIO_EXTINT_CNT; i++) - MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+i, save_gpio_extint[i]); - for (i=0; i<KEYLARGO_GPIO_CNT; i++) - MACIO_OUT8(KEYLARGO_GPIO_0+i, save_gpio_normal[i]); - - /* FIXME more black magic with OpenPIC ... */ - if (pmac_mb.model_id == PMAC_TYPE_SAWTOOTH) { - MACIO_BIC(0x506e0, 0x00400000); - MACIO_BIC(0x506e0, 0x80000000); - } - - UN_OUT(UNI_N_CLOCK_CNTL, save_unin_clock_ctl); - udelay(100); - - return 0; -} - -static long -core99_sleep_state(struct device_node* node, long param, long value) -{ - /* Param == 1 means to enter the "fake sleep" mode that is - * used for CPU speed switch - */ - if (param == 1) { - if (value == 1) { - UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_SLEEPING); - UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_IDLE2); - } else { - UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_NORMAL); - udelay(10); - UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_RUNNING); - udelay(10); - } - return 0; - } - if ((pmac_mb.board_flags & PMAC_MB_CAN_SLEEP) == 0) - return -EPERM; - - if (value == 1) - return core99_sleep(); - else if (value == 0) - return core99_wake_up(); - return 0; -} - -#endif /* CONFIG_POWER4 */ - -static long -generic_dev_can_wake(struct device_node* node, long param, long value) -{ - /* Todo: eventually check we are really dealing with on-board - * video device ... - */ - - if (pmac_mb.board_flags & PMAC_MB_MAY_SLEEP) - pmac_mb.board_flags |= PMAC_MB_CAN_SLEEP; - return 0; -} - -static long -generic_get_mb_info(struct device_node* node, long param, long value) -{ - switch(param) { - case PMAC_MB_INFO_MODEL: - return pmac_mb.model_id; - case PMAC_MB_INFO_FLAGS: - return pmac_mb.board_flags; - case PMAC_MB_INFO_NAME: - /* hack hack hack... but should work */ - *((const char **)value) = pmac_mb.model_name; - return 0; - } - return -EINVAL; -} - - -/* - * Table definitions - */ - -/* Used on any machine - */ -static struct feature_table_entry any_features[] = { - { PMAC_FTR_GET_MB_INFO, generic_get_mb_info }, - { PMAC_FTR_DEVICE_CAN_WAKE, generic_dev_can_wake }, - { 0, NULL } -}; - -#ifndef CONFIG_POWER4 - -/* OHare based motherboards. Currently, we only use these on the - * 2400,3400 and 3500 series powerbooks. Some older desktops seem - * to have issues with turning on/off those asic cells - */ -static struct feature_table_entry ohare_features[] = { - { PMAC_FTR_SCC_ENABLE, ohare_htw_scc_enable }, - { PMAC_FTR_SWIM3_ENABLE, ohare_floppy_enable }, - { PMAC_FTR_MESH_ENABLE, ohare_mesh_enable }, - { PMAC_FTR_IDE_ENABLE, ohare_ide_enable}, - { PMAC_FTR_IDE_RESET, ohare_ide_reset}, - { PMAC_FTR_SLEEP_STATE, ohare_sleep_state }, - { 0, NULL } -}; - -/* Heathrow desktop machines (Beige G3). - * Separated as some features couldn't be properly tested - * and the serial port control bits appear to confuse it. - */ -static struct feature_table_entry heathrow_desktop_features[] = { - { PMAC_FTR_SWIM3_ENABLE, heathrow_floppy_enable }, - { PMAC_FTR_MESH_ENABLE, heathrow_mesh_enable }, - { PMAC_FTR_IDE_ENABLE, heathrow_ide_enable }, - { PMAC_FTR_IDE_RESET, heathrow_ide_reset }, - { PMAC_FTR_BMAC_ENABLE, heathrow_bmac_enable }, - { 0, NULL } -}; - -/* Heathrow based laptop, that is the Wallstreet and mainstreet - * powerbooks. - */ -static struct feature_table_entry heathrow_laptop_features[] = { - { PMAC_FTR_SCC_ENABLE, ohare_htw_scc_enable }, - { PMAC_FTR_MODEM_ENABLE, heathrow_modem_enable }, - { PMAC_FTR_SWIM3_ENABLE, heathrow_floppy_enable }, - { PMAC_FTR_MESH_ENABLE, heathrow_mesh_enable }, - { PMAC_FTR_IDE_ENABLE, heathrow_ide_enable }, - { PMAC_FTR_IDE_RESET, heathrow_ide_reset }, - { PMAC_FTR_BMAC_ENABLE, heathrow_bmac_enable }, - { PMAC_FTR_SOUND_CHIP_ENABLE, heathrow_sound_enable }, - { PMAC_FTR_SLEEP_STATE, heathrow_sleep_state }, - { 0, NULL } -}; - -/* Paddington based machines - * The lombard (101) powerbook, first iMac models, B&W G3 and Yikes G4. - */ -static struct feature_table_entry paddington_features[] = { - { PMAC_FTR_SCC_ENABLE, ohare_htw_scc_enable }, - { PMAC_FTR_MODEM_ENABLE, heathrow_modem_enable }, - { PMAC_FTR_SWIM3_ENABLE, heathrow_floppy_enable }, - { PMAC_FTR_MESH_ENABLE, heathrow_mesh_enable }, - { PMAC_FTR_IDE_ENABLE, heathrow_ide_enable }, - { PMAC_FTR_IDE_RESET, heathrow_ide_reset }, - { PMAC_FTR_BMAC_ENABLE, heathrow_bmac_enable }, - { PMAC_FTR_SOUND_CHIP_ENABLE, heathrow_sound_enable }, - { PMAC_FTR_SLEEP_STATE, heathrow_sleep_state }, - { 0, NULL } -}; - -/* Core99 & MacRISC 2 machines (all machines released since the - * iBook (included), that is all AGP machines, except pangea - * chipset. The pangea chipset is the "combo" UniNorth/KeyLargo - * used on iBook2 & iMac "flow power". - */ -static struct feature_table_entry core99_features[] = { - { PMAC_FTR_SCC_ENABLE, core99_scc_enable }, - { PMAC_FTR_MODEM_ENABLE, core99_modem_enable }, - { PMAC_FTR_IDE_ENABLE, core99_ide_enable }, - { PMAC_FTR_IDE_RESET, core99_ide_reset }, - { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable }, - { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset }, - { PMAC_FTR_SOUND_CHIP_ENABLE, core99_sound_chip_enable }, - { PMAC_FTR_AIRPORT_ENABLE, core99_airport_enable }, - { PMAC_FTR_USB_ENABLE, core99_usb_enable }, - { PMAC_FTR_1394_ENABLE, core99_firewire_enable }, - { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power }, - { PMAC_FTR_SLEEP_STATE, core99_sleep_state }, -#ifdef CONFIG_SMP - { PMAC_FTR_RESET_CPU, core99_reset_cpu }, -#endif /* CONFIG_SMP */ - { PMAC_FTR_READ_GPIO, core99_read_gpio }, - { PMAC_FTR_WRITE_GPIO, core99_write_gpio }, - { 0, NULL } -}; - -/* RackMac - */ -static struct feature_table_entry rackmac_features[] = { - { PMAC_FTR_SCC_ENABLE, core99_scc_enable }, - { PMAC_FTR_IDE_ENABLE, core99_ide_enable }, - { PMAC_FTR_IDE_RESET, core99_ide_reset }, - { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable }, - { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset }, - { PMAC_FTR_USB_ENABLE, core99_usb_enable }, - { PMAC_FTR_1394_ENABLE, core99_firewire_enable }, - { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power }, - { PMAC_FTR_SLEEP_STATE, core99_sleep_state }, -#ifdef CONFIG_SMP - { PMAC_FTR_RESET_CPU, core99_reset_cpu }, -#endif /* CONFIG_SMP */ - { PMAC_FTR_READ_GPIO, core99_read_gpio }, - { PMAC_FTR_WRITE_GPIO, core99_write_gpio }, - { 0, NULL } -}; - -/* Pangea features - */ -static struct feature_table_entry pangea_features[] = { - { PMAC_FTR_SCC_ENABLE, core99_scc_enable }, - { PMAC_FTR_MODEM_ENABLE, pangea_modem_enable }, - { PMAC_FTR_IDE_ENABLE, core99_ide_enable }, - { PMAC_FTR_IDE_RESET, core99_ide_reset }, - { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable }, - { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset }, - { PMAC_FTR_SOUND_CHIP_ENABLE, core99_sound_chip_enable }, - { PMAC_FTR_AIRPORT_ENABLE, core99_airport_enable }, - { PMAC_FTR_USB_ENABLE, core99_usb_enable }, - { PMAC_FTR_1394_ENABLE, core99_firewire_enable }, - { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power }, - { PMAC_FTR_SLEEP_STATE, core99_sleep_state }, - { PMAC_FTR_READ_GPIO, core99_read_gpio }, - { PMAC_FTR_WRITE_GPIO, core99_write_gpio }, - { 0, NULL } -}; - -/* Intrepid features - */ -static struct feature_table_entry intrepid_features[] = { - { PMAC_FTR_SCC_ENABLE, core99_scc_enable }, - { PMAC_FTR_MODEM_ENABLE, pangea_modem_enable }, - { PMAC_FTR_IDE_ENABLE, core99_ide_enable }, - { PMAC_FTR_IDE_RESET, core99_ide_reset }, - { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable }, - { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset }, - { PMAC_FTR_SOUND_CHIP_ENABLE, core99_sound_chip_enable }, - { PMAC_FTR_AIRPORT_ENABLE, core99_airport_enable }, - { PMAC_FTR_USB_ENABLE, core99_usb_enable }, - { PMAC_FTR_1394_ENABLE, core99_firewire_enable }, - { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power }, - { PMAC_FTR_SLEEP_STATE, core99_sleep_state }, - { PMAC_FTR_READ_GPIO, core99_read_gpio }, - { PMAC_FTR_WRITE_GPIO, core99_write_gpio }, - { PMAC_FTR_AACK_DELAY_ENABLE, intrepid_aack_delay_enable }, - { 0, NULL } -}; - -#else /* CONFIG_POWER4 */ - -/* G5 features - */ -static struct feature_table_entry g5_features[] = { - { PMAC_FTR_GMAC_ENABLE, g5_gmac_enable }, - { PMAC_FTR_1394_ENABLE, g5_fw_enable }, - { PMAC_FTR_ENABLE_MPIC, g5_mpic_enable }, -#ifdef CONFIG_SMP - { PMAC_FTR_RESET_CPU, g5_reset_cpu }, -#endif /* CONFIG_SMP */ - { PMAC_FTR_READ_GPIO, core99_read_gpio }, - { PMAC_FTR_WRITE_GPIO, core99_write_gpio }, - { 0, NULL } -}; - -#endif /* CONFIG_POWER4 */ - -static struct pmac_mb_def pmac_mb_defs[] = { -#ifndef CONFIG_POWER4 - /* - * Desktops - */ - - { "AAPL,8500", "PowerMac 8500/8600", - PMAC_TYPE_PSURGE, NULL, - 0 - }, - { "AAPL,9500", "PowerMac 9500/9600", - PMAC_TYPE_PSURGE, NULL, - 0 - }, - { "AAPL,7200", "PowerMac 7200", - PMAC_TYPE_PSURGE, NULL, - 0 - }, - { "AAPL,7300", "PowerMac 7200/7300", - PMAC_TYPE_PSURGE, NULL, - 0 - }, - { "AAPL,7500", "PowerMac 7500", - PMAC_TYPE_PSURGE, NULL, - 0 - }, - { "AAPL,ShinerESB", "Apple Network Server", - PMAC_TYPE_ANS, NULL, - 0 - }, - { "AAPL,e407", "Alchemy", - PMAC_TYPE_ALCHEMY, NULL, - 0 - }, - { "AAPL,e411", "Gazelle", - PMAC_TYPE_GAZELLE, NULL, - 0 - }, - { "AAPL,Gossamer", "PowerMac G3 (Gossamer)", - PMAC_TYPE_GOSSAMER, heathrow_desktop_features, - 0 - }, - { "AAPL,PowerMac G3", "PowerMac G3 (Silk)", - PMAC_TYPE_SILK, heathrow_desktop_features, - 0 - }, - { "PowerMac1,1", "Blue&White G3", - PMAC_TYPE_YOSEMITE, paddington_features, - 0 - }, - { "PowerMac1,2", "PowerMac G4 PCI Graphics", - PMAC_TYPE_YIKES, paddington_features, - 0 - }, - { "PowerMac2,1", "iMac FireWire", - PMAC_TYPE_FW_IMAC, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99 - }, - { "PowerMac2,2", "iMac FireWire", - PMAC_TYPE_FW_IMAC, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99 - }, - { "PowerMac3,1", "PowerMac G4 AGP Graphics", - PMAC_TYPE_SAWTOOTH, core99_features, - PMAC_MB_OLD_CORE99 - }, - { "PowerMac3,2", "PowerMac G4 AGP Graphics", - PMAC_TYPE_SAWTOOTH, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99 - }, - { "PowerMac3,3", "PowerMac G4 AGP Graphics", - PMAC_TYPE_SAWTOOTH, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99 - }, - { "PowerMac3,4", "PowerMac G4 Silver", - PMAC_TYPE_QUICKSILVER, core99_features, - PMAC_MB_MAY_SLEEP - }, - { "PowerMac3,5", "PowerMac G4 Silver", - PMAC_TYPE_QUICKSILVER, core99_features, - PMAC_MB_MAY_SLEEP - }, - { "PowerMac3,6", "PowerMac G4 Windtunnel", - PMAC_TYPE_WINDTUNNEL, core99_features, - PMAC_MB_MAY_SLEEP, - }, - { "PowerMac4,1", "iMac \"Flower Power\"", - PMAC_TYPE_PANGEA_IMAC, pangea_features, - PMAC_MB_MAY_SLEEP - }, - { "PowerMac4,2", "Flat panel iMac", - PMAC_TYPE_FLAT_PANEL_IMAC, pangea_features, - PMAC_MB_CAN_SLEEP - }, - { "PowerMac4,4", "eMac", - PMAC_TYPE_EMAC, core99_features, - PMAC_MB_MAY_SLEEP - }, - { "PowerMac5,1", "PowerMac G4 Cube", - PMAC_TYPE_CUBE, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99 - }, - { "PowerMac6,1", "Flat panel iMac", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP, - }, - { "PowerMac6,3", "Flat panel iMac", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP, - }, - { "PowerMac6,4", "eMac", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP, - }, - { "PowerMac10,1", "Mac mini", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER, - }, - { "iMac,1", "iMac (first generation)", - PMAC_TYPE_ORIG_IMAC, paddington_features, - 0 - }, - - /* - * Xserve's - */ - - { "RackMac1,1", "XServe", - PMAC_TYPE_RACKMAC, rackmac_features, - 0, - }, - { "RackMac1,2", "XServe rev. 2", - PMAC_TYPE_RACKMAC, rackmac_features, - 0, - }, - - /* - * Laptops - */ - - { "AAPL,3400/2400", "PowerBook 3400", - PMAC_TYPE_HOOPER, ohare_features, - PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE - }, - { "AAPL,3500", "PowerBook 3500", - PMAC_TYPE_KANGA, ohare_features, - PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE - }, - { "AAPL,PowerBook1998", "PowerBook Wallstreet", - PMAC_TYPE_WALLSTREET, heathrow_laptop_features, - PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE - }, - { "PowerBook1,1", "PowerBook 101 (Lombard)", - PMAC_TYPE_101_PBOOK, paddington_features, - PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE - }, - { "PowerBook2,1", "iBook (first generation)", - PMAC_TYPE_ORIG_IBOOK, core99_features, - PMAC_MB_CAN_SLEEP | PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE - }, - { "PowerBook2,2", "iBook FireWire", - PMAC_TYPE_FW_IBOOK, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | - PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE - }, - { "PowerBook3,1", "PowerBook Pismo", - PMAC_TYPE_PISMO, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | - PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE - }, - { "PowerBook3,2", "PowerBook Titanium", - PMAC_TYPE_TITANIUM, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE - }, - { "PowerBook3,3", "PowerBook Titanium II", - PMAC_TYPE_TITANIUM2, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE - }, - { "PowerBook3,4", "PowerBook Titanium III", - PMAC_TYPE_TITANIUM3, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE - }, - { "PowerBook3,5", "PowerBook Titanium IV", - PMAC_TYPE_TITANIUM4, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE - }, - { "PowerBook4,1", "iBook 2", - PMAC_TYPE_IBOOK2, pangea_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE - }, - { "PowerBook4,2", "iBook 2", - PMAC_TYPE_IBOOK2, pangea_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE - }, - { "PowerBook4,3", "iBook 2 rev. 2", - PMAC_TYPE_IBOOK2, pangea_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE - }, - { "PowerBook5,1", "PowerBook G4 17\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook5,2", "PowerBook G4 15\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook5,3", "PowerBook G4 17\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook5,4", "PowerBook G4 15\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook5,5", "PowerBook G4 17\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook5,6", "PowerBook G4 15\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook5,7", "PowerBook G4 17\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook5,8", "PowerBook G4 15\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook5,9", "PowerBook G4 17\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook6,1", "PowerBook G4 12\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook6,2", "PowerBook G4", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook6,3", "iBook G4", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook6,4", "PowerBook G4 12\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook6,5", "iBook G4", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook6,7", "iBook G4", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook6,8", "PowerBook G4 12\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, -#else /* CONFIG_POWER4 */ - { "PowerMac7,2", "PowerMac G5", - PMAC_TYPE_POWERMAC_G5, g5_features, - 0, - }, -#endif /* CONFIG_POWER4 */ -}; - -/* - * The toplevel feature_call callback - */ -long -pmac_do_feature_call(unsigned int selector, ...) -{ - struct device_node* node; - long param, value; - int i; - feature_call func = NULL; - va_list args; - - if (pmac_mb.features) - for (i=0; pmac_mb.features[i].function; i++) - if (pmac_mb.features[i].selector == selector) { - func = pmac_mb.features[i].function; - break; - } - if (!func) - for (i=0; any_features[i].function; i++) - if (any_features[i].selector == selector) { - func = any_features[i].function; - break; - } - if (!func) - return -ENODEV; - - va_start(args, selector); - node = (struct device_node*)va_arg(args, void*); - param = va_arg(args, long); - value = va_arg(args, long); - va_end(args); - - return func(node, param, value); -} - -static int __init -probe_motherboard(void) -{ - int i; - struct macio_chip* macio = &macio_chips[0]; - const char* model = NULL; - struct device_node *dt; - - /* Lookup known motherboard type in device-tree. First try an - * exact match on the "model" property, then try a "compatible" - * match is none is found. - */ - dt = find_devices("device-tree"); - if (dt != NULL) - model = (const char *) get_property(dt, "model", NULL); - for(i=0; model && i<(sizeof(pmac_mb_defs)/sizeof(struct pmac_mb_def)); i++) { - if (strcmp(model, pmac_mb_defs[i].model_string) == 0) { - pmac_mb = pmac_mb_defs[i]; - goto found; - } - } - for(i=0; i<(sizeof(pmac_mb_defs)/sizeof(struct pmac_mb_def)); i++) { - if (machine_is_compatible(pmac_mb_defs[i].model_string)) { - pmac_mb = pmac_mb_defs[i]; - goto found; - } - } - - /* Fallback to selection depending on mac-io chip type */ - switch(macio->type) { -#ifndef CONFIG_POWER4 - case macio_grand_central: - pmac_mb.model_id = PMAC_TYPE_PSURGE; - pmac_mb.model_name = "Unknown PowerSurge"; - break; - case macio_ohare: - pmac_mb.model_id = PMAC_TYPE_UNKNOWN_OHARE; - pmac_mb.model_name = "Unknown OHare-based"; - break; - case macio_heathrow: - pmac_mb.model_id = PMAC_TYPE_UNKNOWN_HEATHROW; - pmac_mb.model_name = "Unknown Heathrow-based"; - pmac_mb.features = heathrow_desktop_features; - break; - case macio_paddington: - pmac_mb.model_id = PMAC_TYPE_UNKNOWN_PADDINGTON; - pmac_mb.model_name = "Unknown Paddington-based"; - pmac_mb.features = paddington_features; - break; - case macio_keylargo: - pmac_mb.model_id = PMAC_TYPE_UNKNOWN_CORE99; - pmac_mb.model_name = "Unknown Keylargo-based"; - pmac_mb.features = core99_features; - break; - case macio_pangea: - pmac_mb.model_id = PMAC_TYPE_UNKNOWN_PANGEA; - pmac_mb.model_name = "Unknown Pangea-based"; - pmac_mb.features = pangea_features; - break; - case macio_intrepid: - pmac_mb.model_id = PMAC_TYPE_UNKNOWN_INTREPID; - pmac_mb.model_name = "Unknown Intrepid-based"; - pmac_mb.features = intrepid_features; - break; -#else /* CONFIG_POWER4 */ - case macio_keylargo2: - pmac_mb.model_id = PMAC_TYPE_UNKNOWN_K2; - pmac_mb.model_name = "Unknown G5"; - pmac_mb.features = g5_features; - break; -#endif /* CONFIG_POWER4 */ - default: - return -ENODEV; - } -found: -#ifndef CONFIG_POWER4 - /* Fixup Hooper vs. Comet */ - if (pmac_mb.model_id == PMAC_TYPE_HOOPER) { - u32 __iomem * mach_id_ptr = ioremap(0xf3000034, 4); - if (!mach_id_ptr) - return -ENODEV; - /* Here, I used to disable the media-bay on comet. It - * appears this is wrong, the floppy connector is actually - * a kind of media-bay and works with the current driver. - */ - if (__raw_readl(mach_id_ptr) & 0x20000000UL) - pmac_mb.model_id = PMAC_TYPE_COMET; - iounmap(mach_id_ptr); - } -#endif /* CONFIG_POWER4 */ - -#ifdef CONFIG_6xx - /* Set default value of powersave_nap on machines that support it. - * It appears that uninorth rev 3 has a problem with it, we don't - * enable it on those. In theory, the flush-on-lock property is - * supposed to be set when not supported, but I'm not very confident - * that all Apple OF revs did it properly, I do it the paranoid way. - */ - while (uninorth_base && uninorth_rev > 3) { - struct device_node* np = find_path_device("/cpus"); - if (!np || !np->child) { - printk(KERN_WARNING "Can't find CPU(s) in device tree !\n"); - break; - } - np = np->child; - /* Nap mode not supported on SMP */ - if (np->sibling) - break; - /* Nap mode not supported if flush-on-lock property is present */ - if (get_property(np, "flush-on-lock", NULL)) - break; - powersave_nap = 1; - printk(KERN_INFO "Processor NAP mode on idle enabled.\n"); - break; - } - - /* On CPUs that support it (750FX), lowspeed by default during - * NAP mode - */ - powersave_lowspeed = 1; -#endif /* CONFIG_6xx */ -#ifdef CONFIG_POWER4 - powersave_nap = 1; -#endif - /* Check for "mobile" machine */ - if (model && (strncmp(model, "PowerBook", 9) == 0 - || strncmp(model, "iBook", 5) == 0)) - pmac_mb.board_flags |= PMAC_MB_MOBILE; - - - printk(KERN_INFO "PowerMac motherboard: %s\n", pmac_mb.model_name); - return 0; -} - -/* Initialize the Core99 UniNorth host bridge and memory controller - */ -static void __init -probe_uninorth(void) -{ - unsigned long actrl; - - /* Locate core99 Uni-N */ - uninorth_node = of_find_node_by_name(NULL, "uni-n"); - /* Locate G5 u3 */ - if (uninorth_node == NULL) { - uninorth_node = of_find_node_by_name(NULL, "u3"); - uninorth_u3 = 1; - } - if (uninorth_node && uninorth_node->n_addrs > 0) { - unsigned long address = uninorth_node->addrs[0].address; - uninorth_base = ioremap(address, 0x40000); - uninorth_rev = in_be32(UN_REG(UNI_N_VERSION)); - if (uninorth_u3) - u3_ht = ioremap(address + U3_HT_CONFIG_BASE, 0x1000); - } else - uninorth_node = NULL; - - if (!uninorth_node) - return; - - printk(KERN_INFO "Found %s memory controller & host bridge, revision: %d\n", - uninorth_u3 ? "U3" : "UniNorth", uninorth_rev); - printk(KERN_INFO "Mapped at 0x%08lx\n", (unsigned long)uninorth_base); - - /* Set the arbitrer QAck delay according to what Apple does - */ - if (uninorth_rev < 0x11) { - actrl = UN_IN(UNI_N_ARB_CTRL) & ~UNI_N_ARB_CTRL_QACK_DELAY_MASK; - actrl |= ((uninorth_rev < 3) ? UNI_N_ARB_CTRL_QACK_DELAY105 : - UNI_N_ARB_CTRL_QACK_DELAY) << UNI_N_ARB_CTRL_QACK_DELAY_SHIFT; - UN_OUT(UNI_N_ARB_CTRL, actrl); - } - - /* Some more magic as done by them in recent MacOS X on UniNorth - * revs 1.5 to 2.O and Pangea. Seem to toggle the UniN Maxbus/PCI - * memory timeout - */ - if ((uninorth_rev >= 0x11 && uninorth_rev <= 0x24) || uninorth_rev == 0xc0) - UN_OUT(0x2160, UN_IN(0x2160) & 0x00ffffff); -} - -static void __init -probe_one_macio(const char* name, const char* compat, int type) -{ - struct device_node* node; - int i; - volatile u32 __iomem * base; - u32* revp; - - node = find_devices(name); - if (!node || !node->n_addrs) - return; - if (compat) - do { - if (device_is_compatible(node, compat)) - break; - node = node->next; - } while (node); - if (!node) - return; - for(i=0; i<MAX_MACIO_CHIPS; i++) { - if (!macio_chips[i].of_node) - break; - if (macio_chips[i].of_node == node) - return; - } - if (i >= MAX_MACIO_CHIPS) { - printk(KERN_ERR "pmac_feature: Please increase MAX_MACIO_CHIPS !\n"); - printk(KERN_ERR "pmac_feature: %s skipped\n", node->full_name); - return; - } - base = ioremap(node->addrs[0].address, node->addrs[0].size); - if (!base) { - printk(KERN_ERR "pmac_feature: Can't map mac-io chip !\n"); - return; - } - if (type == macio_keylargo) { - u32* did = (u32 *)get_property(node, "device-id", NULL); - if (*did == 0x00000025) - type = macio_pangea; - if (*did == 0x0000003e) - type = macio_intrepid; - } - macio_chips[i].of_node = node; - macio_chips[i].type = type; - macio_chips[i].base = base; - macio_chips[i].flags = MACIO_FLAG_SCCB_ON | MACIO_FLAG_SCCB_ON; - macio_chips[i].name = macio_names[type]; - revp = (u32 *)get_property(node, "revision-id", NULL); - if (revp) - macio_chips[i].rev = *revp; - printk(KERN_INFO "Found a %s mac-io controller, rev: %d, mapped at 0x%p\n", - macio_names[type], macio_chips[i].rev, macio_chips[i].base); -} - -static int __init -probe_macios(void) -{ - /* Warning, ordering is important */ - probe_one_macio("gc", NULL, macio_grand_central); - probe_one_macio("ohare", NULL, macio_ohare); - probe_one_macio("pci106b,7", NULL, macio_ohareII); - probe_one_macio("mac-io", "keylargo", macio_keylargo); - probe_one_macio("mac-io", "paddington", macio_paddington); - probe_one_macio("mac-io", "gatwick", macio_gatwick); - probe_one_macio("mac-io", "heathrow", macio_heathrow); - probe_one_macio("mac-io", "K2-Keylargo", macio_keylargo2); - - /* Make sure the "main" macio chip appear first */ - if (macio_chips[0].type == macio_gatwick - && macio_chips[1].type == macio_heathrow) { - struct macio_chip temp = macio_chips[0]; - macio_chips[0] = macio_chips[1]; - macio_chips[1] = temp; - } - if (macio_chips[0].type == macio_ohareII - && macio_chips[1].type == macio_ohare) { - struct macio_chip temp = macio_chips[0]; - macio_chips[0] = macio_chips[1]; - macio_chips[1] = temp; - } - macio_chips[0].lbus.index = 0; - macio_chips[1].lbus.index = 1; - - return (macio_chips[0].of_node == NULL) ? -ENODEV : 0; -} - -static void __init -initial_serial_shutdown(struct device_node* np) -{ - int len; - struct slot_names_prop { - int count; - char name[1]; - } *slots; - char *conn; - int port_type = PMAC_SCC_ASYNC; - int modem = 0; - - slots = (struct slot_names_prop *)get_property(np, "slot-names", &len); - conn = get_property(np, "AAPL,connector", &len); - if (conn && (strcmp(conn, "infrared") == 0)) - port_type = PMAC_SCC_IRDA; - else if (device_is_compatible(np, "cobalt")) - modem = 1; - else if (slots && slots->count > 0) { - if (strcmp(slots->name, "IrDA") == 0) - port_type = PMAC_SCC_IRDA; - else if (strcmp(slots->name, "Modem") == 0) - modem = 1; - } - if (modem) - pmac_call_feature(PMAC_FTR_MODEM_ENABLE, np, 0, 0); - pmac_call_feature(PMAC_FTR_SCC_ENABLE, np, port_type, 0); -} - -static void __init -set_initial_features(void) -{ - struct device_node* np; - - /* That hack appears to be necessary for some StarMax motherboards - * but I'm not too sure it was audited for side-effects on other - * ohare based machines... - * Since I still have difficulties figuring the right way to - * differenciate them all and since that hack was there for a long - * time, I'll keep it around - */ - if (macio_chips[0].type == macio_ohare && !find_devices("via-pmu")) { - struct macio_chip* macio = &macio_chips[0]; - MACIO_OUT32(OHARE_FCR, STARMAX_FEATURES); - } else if (macio_chips[0].type == macio_ohare) { - struct macio_chip* macio = &macio_chips[0]; - MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE); - } else if (macio_chips[1].type == macio_ohare) { - struct macio_chip* macio = &macio_chips[1]; - MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE); - } - -#ifdef CONFIG_POWER4 - if (macio_chips[0].type == macio_keylargo2) { -#ifndef CONFIG_SMP - /* On SMP machines running UP, we have the second CPU eating - * bus cycles. We need to take it off the bus. This is done - * from pmac_smp for SMP kernels running on one CPU - */ - np = of_find_node_by_type(NULL, "cpu"); - if (np != NULL) - np = of_find_node_by_type(np, "cpu"); - if (np != NULL) { - g5_phy_disable_cpu1(); - of_node_put(np); - } -#endif /* CONFIG_SMP */ - /* Enable GMAC for now for PCI probing. It will be disabled - * later on after PCI probe - */ - np = of_find_node_by_name(NULL, "ethernet"); - while(np) { - if (device_is_compatible(np, "K2-GMAC")) - g5_gmac_enable(np, 0, 1); - np = of_find_node_by_name(np, "ethernet"); - } - - /* Enable FW before PCI probe. Will be disabled later on - * Note: We should have a batter way to check that we are - * dealing with uninorth internal cell and not a PCI cell - * on the external PCI. The code below works though. - */ - np = of_find_node_by_name(NULL, "firewire"); - while(np) { - if (device_is_compatible(np, "pci106b,5811")) { - macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED; - g5_fw_enable(np, 0, 1); - } - np = of_find_node_by_name(np, "firewire"); - } - } -#else /* CONFIG_POWER4 */ - - if (macio_chips[0].type == macio_keylargo || - macio_chips[0].type == macio_pangea || - macio_chips[0].type == macio_intrepid) { - /* Enable GMAC for now for PCI probing. It will be disabled - * later on after PCI probe - */ - np = of_find_node_by_name(NULL, "ethernet"); - while(np) { - if (np->parent - && device_is_compatible(np->parent, "uni-north") - && device_is_compatible(np, "gmac")) - core99_gmac_enable(np, 0, 1); - np = of_find_node_by_name(np, "ethernet"); - } - - /* Enable FW before PCI probe. Will be disabled later on - * Note: We should have a batter way to check that we are - * dealing with uninorth internal cell and not a PCI cell - * on the external PCI. The code below works though. - */ - np = of_find_node_by_name(NULL, "firewire"); - while(np) { - if (np->parent - && device_is_compatible(np->parent, "uni-north") - && (device_is_compatible(np, "pci106b,18") || - device_is_compatible(np, "pci106b,30") || - device_is_compatible(np, "pci11c1,5811"))) { - macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED; - core99_firewire_enable(np, 0, 1); - } - np = of_find_node_by_name(np, "firewire"); - } - - /* Enable ATA-100 before PCI probe. */ - np = of_find_node_by_name(NULL, "ata-6"); - while(np) { - if (np->parent - && device_is_compatible(np->parent, "uni-north") - && device_is_compatible(np, "kauai-ata")) { - core99_ata100_enable(np, 1); - } - np = of_find_node_by_name(np, "ata-6"); - } - - /* Switch airport off */ - np = find_devices("radio"); - while(np) { - if (np && np->parent == macio_chips[0].of_node) { - macio_chips[0].flags |= MACIO_FLAG_AIRPORT_ON; - core99_airport_enable(np, 0, 0); - } - np = np->next; - } - } - - /* On all machines that support sound PM, switch sound off */ - if (macio_chips[0].of_node) - pmac_do_feature_call(PMAC_FTR_SOUND_CHIP_ENABLE, - macio_chips[0].of_node, 0, 0); - - /* While on some desktop G3s, we turn it back on */ - if (macio_chips[0].of_node && macio_chips[0].type == macio_heathrow - && (pmac_mb.model_id == PMAC_TYPE_GOSSAMER || - pmac_mb.model_id == PMAC_TYPE_SILK)) { - struct macio_chip* macio = &macio_chips[0]; - MACIO_BIS(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE); - MACIO_BIC(HEATHROW_FCR, HRW_SOUND_POWER_N); - } - - /* Some machine models need the clock chip to be properly setup for - * clock spreading now. This should be a platform function but we - * don't do these at the moment - */ - pmac_tweak_clock_spreading(1); - -#endif /* CONFIG_POWER4 */ - - /* On all machines, switch modem & serial ports off */ - np = find_devices("ch-a"); - while(np) { - initial_serial_shutdown(np); - np = np->next; - } - np = find_devices("ch-b"); - while(np) { - initial_serial_shutdown(np); - np = np->next; - } -} - -void __init -pmac_feature_init(void) -{ - /* Detect the UniNorth memory controller */ - probe_uninorth(); - - /* Probe mac-io controllers */ - if (probe_macios()) { - printk(KERN_WARNING "No mac-io chip found\n"); - return; - } - - /* Setup low-level i2c stuffs */ - pmac_init_low_i2c(); - - /* Probe machine type */ - if (probe_motherboard()) - printk(KERN_WARNING "Unknown PowerMac !\n"); - - /* Set some initial features (turn off some chips that will - * be later turned on) - */ - set_initial_features(); -} - -int __init -pmac_feature_late_init(void) -{ - struct device_node* np; - - /* Request some resources late */ - if (uninorth_node) - request_OF_resource(uninorth_node, 0, NULL); - np = find_devices("hammerhead"); - if (np) - request_OF_resource(np, 0, NULL); - np = find_devices("interrupt-controller"); - if (np) - request_OF_resource(np, 0, NULL); - return 0; -} - -device_initcall(pmac_feature_late_init); - -#ifdef CONFIG_POWER4 - -static void dump_HT_speeds(char *name, u32 cfg, u32 frq) -{ - int freqs[16] = { 200,300,400,500,600,800,1000,0,0,0,0,0,0,0,0,0 }; - int bits[8] = { 8,16,0,32,2,4,0,0 }; - int freq = (frq >> 8) & 0xf; - - if (freqs[freq] == 0) - printk("%s: Unknown HT link frequency %x\n", name, freq); - else - printk("%s: %d MHz on main link, (%d in / %d out) bits width\n", - name, freqs[freq], - bits[(cfg >> 28) & 0x7], bits[(cfg >> 24) & 0x7]); -} - -void __init pmac_check_ht_link(void) -{ - u32 ufreq, freq, ucfg, cfg; - struct device_node *pcix_node; - u8 px_bus, px_devfn; - struct pci_controller *px_hose; - - (void)in_be32(u3_ht + U3_HT_LINK_COMMAND); - ucfg = cfg = in_be32(u3_ht + U3_HT_LINK_CONFIG); - ufreq = freq = in_be32(u3_ht + U3_HT_LINK_FREQ); - dump_HT_speeds("U3 HyperTransport", cfg, freq); - - pcix_node = of_find_compatible_node(NULL, "pci", "pci-x"); - if (pcix_node == NULL) { - printk("No PCI-X bridge found\n"); - return; - } - if (pci_device_from_OF_node(pcix_node, &px_bus, &px_devfn) != 0) { - printk("PCI-X bridge found but not matched to pci\n"); - return; - } - px_hose = pci_find_hose_for_OF_device(pcix_node); - if (px_hose == NULL) { - printk("PCI-X bridge found but not matched to host\n"); - return; - } - early_read_config_dword(px_hose, px_bus, px_devfn, 0xc4, &cfg); - early_read_config_dword(px_hose, px_bus, px_devfn, 0xcc, &freq); - dump_HT_speeds("PCI-X HT Uplink", cfg, freq); - early_read_config_dword(px_hose, px_bus, px_devfn, 0xc8, &cfg); - early_read_config_dword(px_hose, px_bus, px_devfn, 0xd0, &freq); - dump_HT_speeds("PCI-X HT Downlink", cfg, freq); -} - -#endif /* CONFIG_POWER4 */ - -/* - * Early video resume hook - */ - -static void (*pmac_early_vresume_proc)(void *data); -static void *pmac_early_vresume_data; - -void pmac_set_early_video_resume(void (*proc)(void *data), void *data) -{ - if (_machine != _MACH_Pmac) - return; - preempt_disable(); - pmac_early_vresume_proc = proc; - pmac_early_vresume_data = data; - preempt_enable(); -} -EXPORT_SYMBOL(pmac_set_early_video_resume); - -void pmac_call_early_video_resume(void) -{ - if (pmac_early_vresume_proc) - pmac_early_vresume_proc(pmac_early_vresume_data); -} - -/* - * AGP related suspend/resume code - */ - -static struct pci_dev *pmac_agp_bridge; -static int (*pmac_agp_suspend)(struct pci_dev *bridge); -static int (*pmac_agp_resume)(struct pci_dev *bridge); - -void pmac_register_agp_pm(struct pci_dev *bridge, - int (*suspend)(struct pci_dev *bridge), - int (*resume)(struct pci_dev *bridge)) -{ - if (suspend || resume) { - pmac_agp_bridge = bridge; - pmac_agp_suspend = suspend; - pmac_agp_resume = resume; - return; - } - if (bridge != pmac_agp_bridge) - return; - pmac_agp_suspend = pmac_agp_resume = NULL; - return; -} -EXPORT_SYMBOL(pmac_register_agp_pm); - -void pmac_suspend_agp_for_card(struct pci_dev *dev) -{ - if (pmac_agp_bridge == NULL || pmac_agp_suspend == NULL) - return; - if (pmac_agp_bridge->bus != dev->bus) - return; - pmac_agp_suspend(pmac_agp_bridge); -} -EXPORT_SYMBOL(pmac_suspend_agp_for_card); - -void pmac_resume_agp_for_card(struct pci_dev *dev) -{ - if (pmac_agp_bridge == NULL || pmac_agp_resume == NULL) - return; - if (pmac_agp_bridge->bus != dev->bus) - return; - pmac_agp_resume(pmac_agp_bridge); -} -EXPORT_SYMBOL(pmac_resume_agp_for_card); diff --git a/arch/ppc/platforms/pmac_low_i2c.c b/arch/ppc/platforms/pmac_low_i2c.c deleted file mode 100644 index 08583fce1692..000000000000 --- a/arch/ppc/platforms/pmac_low_i2c.c +++ /dev/null @@ -1,511 +0,0 @@ -/* - * arch/ppc/platforms/pmac_low_i2c.c - * - * Copyright (C) 2003 Ben. Herrenschmidt (benh@kernel.crashing.org) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - * This file contains some low-level i2c access routines that - * need to be used by various bits of the PowerMac platform code - * at times where the real asynchronous & interrupt driven driver - * cannot be used. The API borrows some semantics from the darwin - * driver in order to ease the implementation of the platform - * properties parser - */ - -#include <linux/config.h> -#include <linux/types.h> -#include <linux/delay.h> -#include <linux/sched.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/adb.h> -#include <linux/pmu.h> -#include <asm/keylargo.h> -#include <asm/uninorth.h> -#include <asm/io.h> -#include <asm/prom.h> -#include <asm/machdep.h> -#include <asm/pmac_low_i2c.h> - -#define MAX_LOW_I2C_HOST 4 - -#if 1 -#define DBG(x...) do {\ - printk(KERN_DEBUG "KW:" x); \ - } while(0) -#else -#define DBGG(x...) -#endif - -struct low_i2c_host; - -typedef int (*low_i2c_func_t)(struct low_i2c_host *host, u8 addr, u8 sub, u8 *data, int len); - -struct low_i2c_host -{ - struct device_node *np; /* OF device node */ - struct semaphore mutex; /* Access mutex for use by i2c-keywest */ - low_i2c_func_t func; /* Access function */ - int is_open : 1; /* Poor man's access control */ - int mode; /* Current mode */ - int channel; /* Current channel */ - int num_channels; /* Number of channels */ - void __iomem * base; /* For keywest-i2c, base address */ - int bsteps; /* And register stepping */ - int speed; /* And speed */ -}; - -static struct low_i2c_host low_i2c_hosts[MAX_LOW_I2C_HOST]; - -/* No locking is necessary on allocation, we are running way before - * anything can race with us - */ -static struct low_i2c_host *find_low_i2c_host(struct device_node *np) -{ - int i; - - for (i = 0; i < MAX_LOW_I2C_HOST; i++) - if (low_i2c_hosts[i].np == np) - return &low_i2c_hosts[i]; - return NULL; -} - -/* - * - * i2c-keywest implementation (UniNorth, U2, U3, Keylargo's) - * - */ - -/* - * Keywest i2c definitions borrowed from drivers/i2c/i2c-keywest.h, - * should be moved somewhere in include/asm-ppc/ - */ -/* Register indices */ -typedef enum { - reg_mode = 0, - reg_control, - reg_status, - reg_isr, - reg_ier, - reg_addr, - reg_subaddr, - reg_data -} reg_t; - - -/* Mode register */ -#define KW_I2C_MODE_100KHZ 0x00 -#define KW_I2C_MODE_50KHZ 0x01 -#define KW_I2C_MODE_25KHZ 0x02 -#define KW_I2C_MODE_DUMB 0x00 -#define KW_I2C_MODE_STANDARD 0x04 -#define KW_I2C_MODE_STANDARDSUB 0x08 -#define KW_I2C_MODE_COMBINED 0x0C -#define KW_I2C_MODE_MODE_MASK 0x0C -#define KW_I2C_MODE_CHAN_MASK 0xF0 - -/* Control register */ -#define KW_I2C_CTL_AAK 0x01 -#define KW_I2C_CTL_XADDR 0x02 -#define KW_I2C_CTL_STOP 0x04 -#define KW_I2C_CTL_START 0x08 - -/* Status register */ -#define KW_I2C_STAT_BUSY 0x01 -#define KW_I2C_STAT_LAST_AAK 0x02 -#define KW_I2C_STAT_LAST_RW 0x04 -#define KW_I2C_STAT_SDA 0x08 -#define KW_I2C_STAT_SCL 0x10 - -/* IER & ISR registers */ -#define KW_I2C_IRQ_DATA 0x01 -#define KW_I2C_IRQ_ADDR 0x02 -#define KW_I2C_IRQ_STOP 0x04 -#define KW_I2C_IRQ_START 0x08 -#define KW_I2C_IRQ_MASK 0x0F - -/* State machine states */ -enum { - state_idle, - state_addr, - state_read, - state_write, - state_stop, - state_dead -}; - -#define WRONG_STATE(name) do {\ - printk(KERN_DEBUG "KW: wrong state. Got %s, state: %s (isr: %02x)\n", \ - name, __kw_state_names[state], isr); \ - } while(0) - -static const char *__kw_state_names[] = { - "state_idle", - "state_addr", - "state_read", - "state_write", - "state_stop", - "state_dead" -}; - -static inline u8 __kw_read_reg(struct low_i2c_host *host, reg_t reg) -{ - return in_8(host->base + (((unsigned)reg) << host->bsteps)); -} - -static inline void __kw_write_reg(struct low_i2c_host *host, reg_t reg, u8 val) -{ - out_8(host->base + (((unsigned)reg) << host->bsteps), val); - (void)__kw_read_reg(host, reg_subaddr); -} - -#define kw_write_reg(reg, val) __kw_write_reg(host, reg, val) -#define kw_read_reg(reg) __kw_read_reg(host, reg) - - -/* Don't schedule, the g5 fan controller is too - * timing sensitive - */ -static u8 kw_wait_interrupt(struct low_i2c_host* host) -{ - int i; - u8 isr; - - for (i = 0; i < 200000; i++) { - isr = kw_read_reg(reg_isr) & KW_I2C_IRQ_MASK; - if (isr != 0) - return isr; - udelay(1); - } - return isr; -} - -static int kw_handle_interrupt(struct low_i2c_host *host, int state, int rw, int *rc, u8 **data, int *len, u8 isr) -{ - u8 ack; - - if (isr == 0) { - if (state != state_stop) { - DBG("KW: Timeout !\n"); - *rc = -EIO; - goto stop; - } - if (state == state_stop) { - ack = kw_read_reg(reg_status); - if (!(ack & KW_I2C_STAT_BUSY)) { - state = state_idle; - kw_write_reg(reg_ier, 0x00); - } - } - return state; - } - - if (isr & KW_I2C_IRQ_ADDR) { - ack = kw_read_reg(reg_status); - if (state != state_addr) { - kw_write_reg(reg_isr, KW_I2C_IRQ_ADDR); - WRONG_STATE("KW_I2C_IRQ_ADDR"); - *rc = -EIO; - goto stop; - } - if ((ack & KW_I2C_STAT_LAST_AAK) == 0) { - *rc = -ENODEV; - DBG("KW: NAK on address\n"); - return state_stop; - } else { - if (rw) { - state = state_read; - if (*len > 1) - kw_write_reg(reg_control, KW_I2C_CTL_AAK); - } else { - state = state_write; - kw_write_reg(reg_data, **data); - (*data)++; (*len)--; - } - } - kw_write_reg(reg_isr, KW_I2C_IRQ_ADDR); - } - - if (isr & KW_I2C_IRQ_DATA) { - if (state == state_read) { - **data = kw_read_reg(reg_data); - (*data)++; (*len)--; - kw_write_reg(reg_isr, KW_I2C_IRQ_DATA); - if ((*len) == 0) - state = state_stop; - else if ((*len) == 1) - kw_write_reg(reg_control, 0); - } else if (state == state_write) { - ack = kw_read_reg(reg_status); - if ((ack & KW_I2C_STAT_LAST_AAK) == 0) { - DBG("KW: nack on data write\n"); - *rc = -EIO; - goto stop; - } else if (*len) { - kw_write_reg(reg_data, **data); - (*data)++; (*len)--; - } else { - kw_write_reg(reg_control, KW_I2C_CTL_STOP); - state = state_stop; - *rc = 0; - } - kw_write_reg(reg_isr, KW_I2C_IRQ_DATA); - } else { - kw_write_reg(reg_isr, KW_I2C_IRQ_DATA); - WRONG_STATE("KW_I2C_IRQ_DATA"); - if (state != state_stop) { - *rc = -EIO; - goto stop; - } - } - } - - if (isr & KW_I2C_IRQ_STOP) { - kw_write_reg(reg_isr, KW_I2C_IRQ_STOP); - if (state != state_stop) { - WRONG_STATE("KW_I2C_IRQ_STOP"); - *rc = -EIO; - } - return state_idle; - } - - if (isr & KW_I2C_IRQ_START) - kw_write_reg(reg_isr, KW_I2C_IRQ_START); - - return state; - - stop: - kw_write_reg(reg_control, KW_I2C_CTL_STOP); - return state_stop; -} - -static int keywest_low_i2c_func(struct low_i2c_host *host, u8 addr, u8 subaddr, u8 *data, int len) -{ - u8 mode_reg = host->speed; - int state = state_addr; - int rc = 0; - - /* Setup mode & subaddress if any */ - switch(host->mode) { - case pmac_low_i2c_mode_dumb: - printk(KERN_ERR "low_i2c: Dumb mode not supported !\n"); - return -EINVAL; - case pmac_low_i2c_mode_std: - mode_reg |= KW_I2C_MODE_STANDARD; - break; - case pmac_low_i2c_mode_stdsub: - mode_reg |= KW_I2C_MODE_STANDARDSUB; - kw_write_reg(reg_subaddr, subaddr); - break; - case pmac_low_i2c_mode_combined: - mode_reg |= KW_I2C_MODE_COMBINED; - kw_write_reg(reg_subaddr, subaddr); - break; - } - - /* Setup channel & clear pending irqs */ - kw_write_reg(reg_isr, kw_read_reg(reg_isr)); - kw_write_reg(reg_mode, mode_reg | (host->channel << 4)); - kw_write_reg(reg_status, 0); - - /* Set up address and r/w bit */ - kw_write_reg(reg_addr, addr); - - /* Start sending address & disable interrupt*/ - kw_write_reg(reg_ier, 0 /*KW_I2C_IRQ_MASK*/); - kw_write_reg(reg_control, KW_I2C_CTL_XADDR); - - /* State machine, to turn into an interrupt handler */ - while(state != state_idle) { - u8 isr = kw_wait_interrupt(host); - state = kw_handle_interrupt(host, state, addr & 1, &rc, &data, &len, isr); - } - - return rc; -} - -static void keywest_low_i2c_add(struct device_node *np) -{ - struct low_i2c_host *host = find_low_i2c_host(NULL); - unsigned long *psteps, *prate, steps, aoffset = 0; - struct device_node *parent; - - if (host == NULL) { - printk(KERN_ERR "low_i2c: Can't allocate host for %s\n", - np->full_name); - return; - } - memset(host, 0, sizeof(*host)); - - init_MUTEX(&host->mutex); - host->np = of_node_get(np); - psteps = (unsigned long *)get_property(np, "AAPL,address-step", NULL); - steps = psteps ? (*psteps) : 0x10; - for (host->bsteps = 0; (steps & 0x01) == 0; host->bsteps++) - steps >>= 1; - parent = of_get_parent(np); - host->num_channels = 1; - if (parent && parent->name[0] == 'u') { - host->num_channels = 2; - aoffset = 3; - } - /* Select interface rate */ - host->speed = KW_I2C_MODE_100KHZ; - prate = (unsigned long *)get_property(np, "AAPL,i2c-rate", NULL); - if (prate) switch(*prate) { - case 100: - host->speed = KW_I2C_MODE_100KHZ; - break; - case 50: - host->speed = KW_I2C_MODE_50KHZ; - break; - case 25: - host->speed = KW_I2C_MODE_25KHZ; - break; - } - host->mode = pmac_low_i2c_mode_std; - host->base = ioremap(np->addrs[0].address + aoffset, - np->addrs[0].size); - host->func = keywest_low_i2c_func; -} - -/* - * - * PMU implementation - * - */ - - -#ifdef CONFIG_ADB_PMU - -static int pmu_low_i2c_func(struct low_i2c_host *host, u8 addr, u8 sub, u8 *data, int len) -{ - // TODO - return -ENODEV; -} - -static void pmu_low_i2c_add(struct device_node *np) -{ - struct low_i2c_host *host = find_low_i2c_host(NULL); - - if (host == NULL) { - printk(KERN_ERR "low_i2c: Can't allocate host for %s\n", - np->full_name); - return; - } - memset(host, 0, sizeof(*host)); - - init_MUTEX(&host->mutex); - host->np = of_node_get(np); - host->num_channels = 3; - host->mode = pmac_low_i2c_mode_std; - host->func = pmu_low_i2c_func; -} - -#endif /* CONFIG_ADB_PMU */ - -void __init pmac_init_low_i2c(void) -{ - struct device_node *np; - - /* Probe keywest-i2c busses */ - np = of_find_compatible_node(NULL, "i2c", "keywest-i2c"); - while(np) { - keywest_low_i2c_add(np); - np = of_find_compatible_node(np, "i2c", "keywest-i2c"); - } - -#ifdef CONFIG_ADB_PMU - /* Probe PMU busses */ - np = of_find_node_by_name(NULL, "via-pmu"); - if (np) - pmu_low_i2c_add(np); -#endif /* CONFIG_ADB_PMU */ - - /* TODO: Add CUDA support as well */ -} - -int pmac_low_i2c_lock(struct device_node *np) -{ - struct low_i2c_host *host = find_low_i2c_host(np); - - if (!host) - return -ENODEV; - down(&host->mutex); - return 0; -} -EXPORT_SYMBOL(pmac_low_i2c_lock); - -int pmac_low_i2c_unlock(struct device_node *np) -{ - struct low_i2c_host *host = find_low_i2c_host(np); - - if (!host) - return -ENODEV; - up(&host->mutex); - return 0; -} -EXPORT_SYMBOL(pmac_low_i2c_unlock); - - -int pmac_low_i2c_open(struct device_node *np, int channel) -{ - struct low_i2c_host *host = find_low_i2c_host(np); - - if (!host) - return -ENODEV; - - if (channel >= host->num_channels) - return -EINVAL; - - down(&host->mutex); - host->is_open = 1; - host->channel = channel; - - return 0; -} -EXPORT_SYMBOL(pmac_low_i2c_open); - -int pmac_low_i2c_close(struct device_node *np) -{ - struct low_i2c_host *host = find_low_i2c_host(np); - - if (!host) - return -ENODEV; - - host->is_open = 0; - up(&host->mutex); - - return 0; -} -EXPORT_SYMBOL(pmac_low_i2c_close); - -int pmac_low_i2c_setmode(struct device_node *np, int mode) -{ - struct low_i2c_host *host = find_low_i2c_host(np); - - if (!host) - return -ENODEV; - WARN_ON(!host->is_open); - host->mode = mode; - - return 0; -} -EXPORT_SYMBOL(pmac_low_i2c_setmode); - -int pmac_low_i2c_xfer(struct device_node *np, u8 addrdir, u8 subaddr, u8 *data, int len) -{ - struct low_i2c_host *host = find_low_i2c_host(np); - - if (!host) - return -ENODEV; - WARN_ON(!host->is_open); - - return host->func(host, addrdir, subaddr, data, len); -} -EXPORT_SYMBOL(pmac_low_i2c_xfer); - diff --git a/arch/ppc/platforms/pmac_nvram.c b/arch/ppc/platforms/pmac_nvram.c deleted file mode 100644 index 8c9b008c7226..000000000000 --- a/arch/ppc/platforms/pmac_nvram.c +++ /dev/null @@ -1,584 +0,0 @@ -/* - * arch/ppc/platforms/pmac_nvram.c - * - * Copyright (C) 2002 Benjamin Herrenschmidt (benh@kernel.crashing.org) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - * Todo: - add support for the OF persistent properties - */ -#include <linux/config.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/stddef.h> -#include <linux/string.h> -#include <linux/nvram.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/adb.h> -#include <linux/pmu.h> -#include <linux/bootmem.h> -#include <linux/completion.h> -#include <linux/spinlock.h> -#include <asm/sections.h> -#include <asm/io.h> -#include <asm/system.h> -#include <asm/prom.h> -#include <asm/machdep.h> -#include <asm/nvram.h> - -#define DEBUG - -#ifdef DEBUG -#define DBG(x...) printk(x) -#else -#define DBG(x...) -#endif - -#define NVRAM_SIZE 0x2000 /* 8kB of non-volatile RAM */ - -#define CORE99_SIGNATURE 0x5a -#define CORE99_ADLER_START 0x14 - -/* On Core99, nvram is either a sharp, a micron or an AMD flash */ -#define SM_FLASH_STATUS_DONE 0x80 -#define SM_FLASH_STATUS_ERR 0x38 -#define SM_FLASH_CMD_ERASE_CONFIRM 0xd0 -#define SM_FLASH_CMD_ERASE_SETUP 0x20 -#define SM_FLASH_CMD_RESET 0xff -#define SM_FLASH_CMD_WRITE_SETUP 0x40 -#define SM_FLASH_CMD_CLEAR_STATUS 0x50 -#define SM_FLASH_CMD_READ_STATUS 0x70 - -/* CHRP NVRAM header */ -struct chrp_header { - u8 signature; - u8 cksum; - u16 len; - char name[12]; - u8 data[0]; -}; - -struct core99_header { - struct chrp_header hdr; - u32 adler; - u32 generation; - u32 reserved[2]; -}; - -/* - * Read and write the non-volatile RAM on PowerMacs and CHRP machines. - */ -static int nvram_naddrs; -static volatile unsigned char *nvram_addr; -static volatile unsigned char *nvram_data; -static int nvram_mult, is_core_99; -static int core99_bank = 0; -static int nvram_partitions[3]; -static DEFINE_SPINLOCK(nv_lock); - -extern int pmac_newworld; -extern int system_running; - -static int (*core99_write_bank)(int bank, u8* datas); -static int (*core99_erase_bank)(int bank); - -static char *nvram_image; - - -static unsigned char core99_nvram_read_byte(int addr) -{ - if (nvram_image == NULL) - return 0xff; - return nvram_image[addr]; -} - -static void core99_nvram_write_byte(int addr, unsigned char val) -{ - if (nvram_image == NULL) - return; - nvram_image[addr] = val; -} - - -static unsigned char direct_nvram_read_byte(int addr) -{ - return in_8(&nvram_data[(addr & (NVRAM_SIZE - 1)) * nvram_mult]); -} - -static void direct_nvram_write_byte(int addr, unsigned char val) -{ - out_8(&nvram_data[(addr & (NVRAM_SIZE - 1)) * nvram_mult], val); -} - - -static unsigned char indirect_nvram_read_byte(int addr) -{ - unsigned char val; - unsigned long flags; - - spin_lock_irqsave(&nv_lock, flags); - out_8(nvram_addr, addr >> 5); - val = in_8(&nvram_data[(addr & 0x1f) << 4]); - spin_unlock_irqrestore(&nv_lock, flags); - - return val; -} - -static void indirect_nvram_write_byte(int addr, unsigned char val) -{ - unsigned long flags; - - spin_lock_irqsave(&nv_lock, flags); - out_8(nvram_addr, addr >> 5); - out_8(&nvram_data[(addr & 0x1f) << 4], val); - spin_unlock_irqrestore(&nv_lock, flags); -} - - -#ifdef CONFIG_ADB_PMU - -static void pmu_nvram_complete(struct adb_request *req) -{ - if (req->arg) - complete((struct completion *)req->arg); -} - -static unsigned char pmu_nvram_read_byte(int addr) -{ - struct adb_request req; - DECLARE_COMPLETION(req_complete); - - req.arg = system_state == SYSTEM_RUNNING ? &req_complete : NULL; - if (pmu_request(&req, pmu_nvram_complete, 3, PMU_READ_NVRAM, - (addr >> 8) & 0xff, addr & 0xff)) - return 0xff; - if (system_state == SYSTEM_RUNNING) - wait_for_completion(&req_complete); - while (!req.complete) - pmu_poll(); - return req.reply[0]; -} - -static void pmu_nvram_write_byte(int addr, unsigned char val) -{ - struct adb_request req; - DECLARE_COMPLETION(req_complete); - - req.arg = system_state == SYSTEM_RUNNING ? &req_complete : NULL; - if (pmu_request(&req, pmu_nvram_complete, 4, PMU_WRITE_NVRAM, - (addr >> 8) & 0xff, addr & 0xff, val)) - return; - if (system_state == SYSTEM_RUNNING) - wait_for_completion(&req_complete); - while (!req.complete) - pmu_poll(); -} - -#endif /* CONFIG_ADB_PMU */ - - -static u8 chrp_checksum(struct chrp_header* hdr) -{ - u8 *ptr; - u16 sum = hdr->signature; - for (ptr = (u8 *)&hdr->len; ptr < hdr->data; ptr++) - sum += *ptr; - while (sum > 0xFF) - sum = (sum & 0xFF) + (sum>>8); - return sum; -} - -static u32 core99_calc_adler(u8 *buffer) -{ - int cnt; - u32 low, high; - - buffer += CORE99_ADLER_START; - low = 1; - high = 0; - for (cnt=0; cnt<(NVRAM_SIZE-CORE99_ADLER_START); cnt++) { - if ((cnt % 5000) == 0) { - high %= 65521UL; - high %= 65521UL; - } - low += buffer[cnt]; - high += low; - } - low %= 65521UL; - high %= 65521UL; - - return (high << 16) | low; -} - -static u32 core99_check(u8* datas) -{ - struct core99_header* hdr99 = (struct core99_header*)datas; - - if (hdr99->hdr.signature != CORE99_SIGNATURE) { - DBG("Invalid signature\n"); - return 0; - } - if (hdr99->hdr.cksum != chrp_checksum(&hdr99->hdr)) { - DBG("Invalid checksum\n"); - return 0; - } - if (hdr99->adler != core99_calc_adler(datas)) { - DBG("Invalid adler\n"); - return 0; - } - return hdr99->generation; -} - -static int sm_erase_bank(int bank) -{ - int stat, i; - unsigned long timeout; - - u8* base = (u8 *)nvram_data + core99_bank*NVRAM_SIZE; - - DBG("nvram: Sharp/Micron Erasing bank %d...\n", bank); - - out_8(base, SM_FLASH_CMD_ERASE_SETUP); - out_8(base, SM_FLASH_CMD_ERASE_CONFIRM); - timeout = 0; - do { - if (++timeout > 1000000) { - printk(KERN_ERR "nvram: Sharp/Miron flash erase timeout !\n"); - break; - } - out_8(base, SM_FLASH_CMD_READ_STATUS); - stat = in_8(base); - } while (!(stat & SM_FLASH_STATUS_DONE)); - - out_8(base, SM_FLASH_CMD_CLEAR_STATUS); - out_8(base, SM_FLASH_CMD_RESET); - - for (i=0; i<NVRAM_SIZE; i++) - if (base[i] != 0xff) { - printk(KERN_ERR "nvram: Sharp/Micron flash erase failed !\n"); - return -ENXIO; - } - return 0; -} - -static int sm_write_bank(int bank, u8* datas) -{ - int i, stat = 0; - unsigned long timeout; - - u8* base = (u8 *)nvram_data + core99_bank*NVRAM_SIZE; - - DBG("nvram: Sharp/Micron Writing bank %d...\n", bank); - - for (i=0; i<NVRAM_SIZE; i++) { - out_8(base+i, SM_FLASH_CMD_WRITE_SETUP); - udelay(1); - out_8(base+i, datas[i]); - timeout = 0; - do { - if (++timeout > 1000000) { - printk(KERN_ERR "nvram: Sharp/Micron flash write timeout !\n"); - break; - } - out_8(base, SM_FLASH_CMD_READ_STATUS); - stat = in_8(base); - } while (!(stat & SM_FLASH_STATUS_DONE)); - if (!(stat & SM_FLASH_STATUS_DONE)) - break; - } - out_8(base, SM_FLASH_CMD_CLEAR_STATUS); - out_8(base, SM_FLASH_CMD_RESET); - for (i=0; i<NVRAM_SIZE; i++) - if (base[i] != datas[i]) { - printk(KERN_ERR "nvram: Sharp/Micron flash write failed !\n"); - return -ENXIO; - } - return 0; -} - -static int amd_erase_bank(int bank) -{ - int i, stat = 0; - unsigned long timeout; - - u8* base = (u8 *)nvram_data + core99_bank*NVRAM_SIZE; - - DBG("nvram: AMD Erasing bank %d...\n", bank); - - /* Unlock 1 */ - out_8(base+0x555, 0xaa); - udelay(1); - /* Unlock 2 */ - out_8(base+0x2aa, 0x55); - udelay(1); - - /* Sector-Erase */ - out_8(base+0x555, 0x80); - udelay(1); - out_8(base+0x555, 0xaa); - udelay(1); - out_8(base+0x2aa, 0x55); - udelay(1); - out_8(base, 0x30); - udelay(1); - - timeout = 0; - do { - if (++timeout > 1000000) { - printk(KERN_ERR "nvram: AMD flash erase timeout !\n"); - break; - } - stat = in_8(base) ^ in_8(base); - } while (stat != 0); - - /* Reset */ - out_8(base, 0xf0); - udelay(1); - - for (i=0; i<NVRAM_SIZE; i++) - if (base[i] != 0xff) { - printk(KERN_ERR "nvram: AMD flash erase failed !\n"); - return -ENXIO; - } - return 0; -} - -static int amd_write_bank(int bank, u8* datas) -{ - int i, stat = 0; - unsigned long timeout; - - u8* base = (u8 *)nvram_data + core99_bank*NVRAM_SIZE; - - DBG("nvram: AMD Writing bank %d...\n", bank); - - for (i=0; i<NVRAM_SIZE; i++) { - /* Unlock 1 */ - out_8(base+0x555, 0xaa); - udelay(1); - /* Unlock 2 */ - out_8(base+0x2aa, 0x55); - udelay(1); - - /* Write single word */ - out_8(base+0x555, 0xa0); - udelay(1); - out_8(base+i, datas[i]); - - timeout = 0; - do { - if (++timeout > 1000000) { - printk(KERN_ERR "nvram: AMD flash write timeout !\n"); - break; - } - stat = in_8(base) ^ in_8(base); - } while (stat != 0); - if (stat != 0) - break; - } - - /* Reset */ - out_8(base, 0xf0); - udelay(1); - - for (i=0; i<NVRAM_SIZE; i++) - if (base[i] != datas[i]) { - printk(KERN_ERR "nvram: AMD flash write failed !\n"); - return -ENXIO; - } - return 0; -} - -static void __init lookup_partitions(void) -{ - u8 buffer[17]; - int i, offset; - struct chrp_header* hdr; - - if (pmac_newworld) { - nvram_partitions[pmac_nvram_OF] = -1; - nvram_partitions[pmac_nvram_XPRAM] = -1; - nvram_partitions[pmac_nvram_NR] = -1; - hdr = (struct chrp_header *)buffer; - - offset = 0; - buffer[16] = 0; - do { - for (i=0;i<16;i++) - buffer[i] = nvram_read_byte(offset+i); - if (!strcmp(hdr->name, "common")) - nvram_partitions[pmac_nvram_OF] = offset + 0x10; - if (!strcmp(hdr->name, "APL,MacOS75")) { - nvram_partitions[pmac_nvram_XPRAM] = offset + 0x10; - nvram_partitions[pmac_nvram_NR] = offset + 0x110; - } - offset += (hdr->len * 0x10); - } while(offset < NVRAM_SIZE); - } else { - nvram_partitions[pmac_nvram_OF] = 0x1800; - nvram_partitions[pmac_nvram_XPRAM] = 0x1300; - nvram_partitions[pmac_nvram_NR] = 0x1400; - } - DBG("nvram: OF partition at 0x%x\n", nvram_partitions[pmac_nvram_OF]); - DBG("nvram: XP partition at 0x%x\n", nvram_partitions[pmac_nvram_XPRAM]); - DBG("nvram: NR partition at 0x%x\n", nvram_partitions[pmac_nvram_NR]); -} - -static void core99_nvram_sync(void) -{ - struct core99_header* hdr99; - unsigned long flags; - - if (!is_core_99 || !nvram_data || !nvram_image) - return; - - spin_lock_irqsave(&nv_lock, flags); - if (!memcmp(nvram_image, (u8*)nvram_data + core99_bank*NVRAM_SIZE, - NVRAM_SIZE)) - goto bail; - - DBG("Updating nvram...\n"); - - hdr99 = (struct core99_header*)nvram_image; - hdr99->generation++; - hdr99->hdr.signature = CORE99_SIGNATURE; - hdr99->hdr.cksum = chrp_checksum(&hdr99->hdr); - hdr99->adler = core99_calc_adler(nvram_image); - core99_bank = core99_bank ? 0 : 1; - if (core99_erase_bank) - if (core99_erase_bank(core99_bank)) { - printk("nvram: Error erasing bank %d\n", core99_bank); - goto bail; - } - if (core99_write_bank) - if (core99_write_bank(core99_bank, nvram_image)) - printk("nvram: Error writing bank %d\n", core99_bank); - bail: - spin_unlock_irqrestore(&nv_lock, flags); - -#ifdef DEBUG - mdelay(2000); -#endif -} - -void __init pmac_nvram_init(void) -{ - struct device_node *dp; - - nvram_naddrs = 0; - - dp = find_devices("nvram"); - if (dp == NULL) { - printk(KERN_ERR "Can't find NVRAM device\n"); - return; - } - nvram_naddrs = dp->n_addrs; - is_core_99 = device_is_compatible(dp, "nvram,flash"); - if (is_core_99) { - int i; - u32 gen_bank0, gen_bank1; - - if (nvram_naddrs < 1) { - printk(KERN_ERR "nvram: no address\n"); - return; - } - nvram_image = alloc_bootmem(NVRAM_SIZE); - if (nvram_image == NULL) { - printk(KERN_ERR "nvram: can't allocate ram image\n"); - return; - } - nvram_data = ioremap(dp->addrs[0].address, NVRAM_SIZE*2); - nvram_naddrs = 1; /* Make sure we get the correct case */ - - DBG("nvram: Checking bank 0...\n"); - - gen_bank0 = core99_check((u8 *)nvram_data); - gen_bank1 = core99_check((u8 *)nvram_data + NVRAM_SIZE); - core99_bank = (gen_bank0 < gen_bank1) ? 1 : 0; - - DBG("nvram: gen0=%d, gen1=%d\n", gen_bank0, gen_bank1); - DBG("nvram: Active bank is: %d\n", core99_bank); - - for (i=0; i<NVRAM_SIZE; i++) - nvram_image[i] = nvram_data[i + core99_bank*NVRAM_SIZE]; - - ppc_md.nvram_read_val = core99_nvram_read_byte; - ppc_md.nvram_write_val = core99_nvram_write_byte; - ppc_md.nvram_sync = core99_nvram_sync; - /* - * Maybe we could be smarter here though making an exclusive list - * of known flash chips is a bit nasty as older OF didn't provide us - * with a useful "compatible" entry. A solution would be to really - * identify the chip using flash id commands and base ourselves on - * a list of known chips IDs - */ - if (device_is_compatible(dp, "amd-0137")) { - core99_erase_bank = amd_erase_bank; - core99_write_bank = amd_write_bank; - } else { - core99_erase_bank = sm_erase_bank; - core99_write_bank = sm_write_bank; - } - } else if (_machine == _MACH_chrp && nvram_naddrs == 1) { - nvram_data = ioremap(dp->addrs[0].address + isa_mem_base, - dp->addrs[0].size); - nvram_mult = 1; - ppc_md.nvram_read_val = direct_nvram_read_byte; - ppc_md.nvram_write_val = direct_nvram_write_byte; - } else if (nvram_naddrs == 1) { - nvram_data = ioremap(dp->addrs[0].address, dp->addrs[0].size); - nvram_mult = (dp->addrs[0].size + NVRAM_SIZE - 1) / NVRAM_SIZE; - ppc_md.nvram_read_val = direct_nvram_read_byte; - ppc_md.nvram_write_val = direct_nvram_write_byte; - } else if (nvram_naddrs == 2) { - nvram_addr = ioremap(dp->addrs[0].address, dp->addrs[0].size); - nvram_data = ioremap(dp->addrs[1].address, dp->addrs[1].size); - ppc_md.nvram_read_val = indirect_nvram_read_byte; - ppc_md.nvram_write_val = indirect_nvram_write_byte; - } else if (nvram_naddrs == 0 && sys_ctrler == SYS_CTRLER_PMU) { -#ifdef CONFIG_ADB_PMU - nvram_naddrs = -1; - ppc_md.nvram_read_val = pmu_nvram_read_byte; - ppc_md.nvram_write_val = pmu_nvram_write_byte; -#endif /* CONFIG_ADB_PMU */ - } else { - printk(KERN_ERR "Don't know how to access NVRAM with %d addresses\n", - nvram_naddrs); - } - lookup_partitions(); -} - -int pmac_get_partition(int partition) -{ - return nvram_partitions[partition]; -} - -u8 pmac_xpram_read(int xpaddr) -{ - int offset = nvram_partitions[pmac_nvram_XPRAM]; - - if (offset < 0) - return 0xff; - - return ppc_md.nvram_read_val(xpaddr + offset); -} - -void pmac_xpram_write(int xpaddr, u8 data) -{ - int offset = nvram_partitions[pmac_nvram_XPRAM]; - - if (offset < 0) - return; - - ppc_md.nvram_write_val(xpaddr + offset, data); -} - -EXPORT_SYMBOL(pmac_get_partition); -EXPORT_SYMBOL(pmac_xpram_read); -EXPORT_SYMBOL(pmac_xpram_write); diff --git a/arch/ppc/platforms/pmac_pci.c b/arch/ppc/platforms/pmac_pci.c deleted file mode 100644 index 786295b6ddd0..000000000000 --- a/arch/ppc/platforms/pmac_pci.c +++ /dev/null @@ -1,1124 +0,0 @@ -/* - * Support for PCI bridges found on Power Macintoshes. - * At present the "bandit" and "chaos" bridges are supported. - * Fortunately you access configuration space in the same - * way with either bridge. - * - * Copyright (C) 1997 Paul Mackerras (paulus@cs.anu.edu.au) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/string.h> -#include <linux/init.h> - -#include <asm/sections.h> -#include <asm/io.h> -#include <asm/prom.h> -#include <asm/pci-bridge.h> -#include <asm/machdep.h> -#include <asm/pmac_feature.h> - -#undef DEBUG - -#ifdef DEBUG -#ifdef CONFIG_XMON -extern void xmon_printf(const char *fmt, ...); -#define DBG(x...) xmon_printf(x) -#else -#define DBG(x...) printk(x) -#endif -#else -#define DBG(x...) -#endif - -static int add_bridge(struct device_node *dev); -extern void pmac_check_ht_link(void); - -/* XXX Could be per-controller, but I don't think we risk anything by - * assuming we won't have both UniNorth and Bandit */ -static int has_uninorth; -#ifdef CONFIG_POWER4 -static struct pci_controller *u3_agp; -#endif /* CONFIG_POWER4 */ - -extern u8 pci_cache_line_size; -extern int pcibios_assign_bus_offset; - -struct device_node *k2_skiplist[2]; - -/* - * Magic constants for enabling cache coherency in the bandit/PSX bridge. - */ -#define BANDIT_DEVID_2 8 -#define BANDIT_REVID 3 - -#define BANDIT_DEVNUM 11 -#define BANDIT_MAGIC 0x50 -#define BANDIT_COHERENT 0x40 - -static int __init -fixup_one_level_bus_range(struct device_node *node, int higher) -{ - for (; node != 0;node = node->sibling) { - int * bus_range; - unsigned int *class_code; - int len; - - /* For PCI<->PCI bridges or CardBus bridges, we go down */ - class_code = (unsigned int *) get_property(node, "class-code", NULL); - if (!class_code || ((*class_code >> 8) != PCI_CLASS_BRIDGE_PCI && - (*class_code >> 8) != PCI_CLASS_BRIDGE_CARDBUS)) - continue; - bus_range = (int *) get_property(node, "bus-range", &len); - if (bus_range != NULL && len > 2 * sizeof(int)) { - if (bus_range[1] > higher) - higher = bus_range[1]; - } - higher = fixup_one_level_bus_range(node->child, higher); - } - return higher; -} - -/* This routine fixes the "bus-range" property of all bridges in the - * system since they tend to have their "last" member wrong on macs - * - * Note that the bus numbers manipulated here are OF bus numbers, they - * are not Linux bus numbers. - */ -static void __init -fixup_bus_range(struct device_node *bridge) -{ - int * bus_range; - int len; - - /* Lookup the "bus-range" property for the hose */ - bus_range = (int *) get_property(bridge, "bus-range", &len); - if (bus_range == NULL || len < 2 * sizeof(int)) { - printk(KERN_WARNING "Can't get bus-range for %s\n", - bridge->full_name); - return; - } - bus_range[1] = fixup_one_level_bus_range(bridge->child, bus_range[1]); -} - -/* - * Apple MacRISC (U3, UniNorth, Bandit, Chaos) PCI controllers. - * - * The "Bandit" version is present in all early PCI PowerMacs, - * and up to the first ones using Grackle. Some machines may - * have 2 bandit controllers (2 PCI busses). - * - * "Chaos" is used in some "Bandit"-type machines as a bridge - * for the separate display bus. It is accessed the same - * way as bandit, but cannot be probed for devices. It therefore - * has its own config access functions. - * - * The "UniNorth" version is present in all Core99 machines - * (iBook, G4, new IMacs, and all the recent Apple machines). - * It contains 3 controllers in one ASIC. - * - * The U3 is the bridge used on G5 machines. It contains an - * AGP bus which is dealt with the old UniNorth access routines - * and a HyperTransport bus which uses its own set of access - * functions. - */ - -#define MACRISC_CFA0(devfn, off) \ - ((1 << (unsigned long)PCI_SLOT(dev_fn)) \ - | (((unsigned long)PCI_FUNC(dev_fn)) << 8) \ - | (((unsigned long)(off)) & 0xFCUL)) - -#define MACRISC_CFA1(bus, devfn, off) \ - ((((unsigned long)(bus)) << 16) \ - |(((unsigned long)(devfn)) << 8) \ - |(((unsigned long)(off)) & 0xFCUL) \ - |1UL) - -static void volatile __iomem * -macrisc_cfg_access(struct pci_controller* hose, u8 bus, u8 dev_fn, u8 offset) -{ - unsigned int caddr; - - if (bus == hose->first_busno) { - if (dev_fn < (11 << 3)) - return NULL; - caddr = MACRISC_CFA0(dev_fn, offset); - } else - caddr = MACRISC_CFA1(bus, dev_fn, offset); - - /* Uninorth will return garbage if we don't read back the value ! */ - do { - out_le32(hose->cfg_addr, caddr); - } while (in_le32(hose->cfg_addr) != caddr); - - offset &= has_uninorth ? 0x07 : 0x03; - return hose->cfg_data + offset; -} - -static int -macrisc_read_config(struct pci_bus *bus, unsigned int devfn, int offset, - int len, u32 *val) -{ - struct pci_controller *hose = bus->sysdata; - void volatile __iomem *addr; - - addr = macrisc_cfg_access(hose, bus->number, devfn, offset); - if (!addr) - return PCIBIOS_DEVICE_NOT_FOUND; - /* - * Note: the caller has already checked that offset is - * suitably aligned and that len is 1, 2 or 4. - */ - switch (len) { - case 1: - *val = in_8(addr); - break; - case 2: - *val = in_le16(addr); - break; - default: - *val = in_le32(addr); - break; - } - return PCIBIOS_SUCCESSFUL; -} - -static int -macrisc_write_config(struct pci_bus *bus, unsigned int devfn, int offset, - int len, u32 val) -{ - struct pci_controller *hose = bus->sysdata; - void volatile __iomem *addr; - - addr = macrisc_cfg_access(hose, bus->number, devfn, offset); - if (!addr) - return PCIBIOS_DEVICE_NOT_FOUND; - /* - * Note: the caller has already checked that offset is - * suitably aligned and that len is 1, 2 or 4. - */ - switch (len) { - case 1: - out_8(addr, val); - (void) in_8(addr); - break; - case 2: - out_le16(addr, val); - (void) in_le16(addr); - break; - default: - out_le32(addr, val); - (void) in_le32(addr); - break; - } - return PCIBIOS_SUCCESSFUL; -} - -static struct pci_ops macrisc_pci_ops = -{ - macrisc_read_config, - macrisc_write_config -}; - -/* - * Verifiy that a specific (bus, dev_fn) exists on chaos - */ -static int -chaos_validate_dev(struct pci_bus *bus, int devfn, int offset) -{ - struct device_node *np; - u32 *vendor, *device; - - np = pci_busdev_to_OF_node(bus, devfn); - if (np == NULL) - return PCIBIOS_DEVICE_NOT_FOUND; - - vendor = (u32 *)get_property(np, "vendor-id", NULL); - device = (u32 *)get_property(np, "device-id", NULL); - if (vendor == NULL || device == NULL) - return PCIBIOS_DEVICE_NOT_FOUND; - - if ((*vendor == 0x106b) && (*device == 3) && (offset >= 0x10) - && (offset != 0x14) && (offset != 0x18) && (offset <= 0x24)) - return PCIBIOS_BAD_REGISTER_NUMBER; - - return PCIBIOS_SUCCESSFUL; -} - -static int -chaos_read_config(struct pci_bus *bus, unsigned int devfn, int offset, - int len, u32 *val) -{ - int result = chaos_validate_dev(bus, devfn, offset); - if (result == PCIBIOS_BAD_REGISTER_NUMBER) - *val = ~0U; - if (result != PCIBIOS_SUCCESSFUL) - return result; - return macrisc_read_config(bus, devfn, offset, len, val); -} - -static int -chaos_write_config(struct pci_bus *bus, unsigned int devfn, int offset, - int len, u32 val) -{ - int result = chaos_validate_dev(bus, devfn, offset); - if (result != PCIBIOS_SUCCESSFUL) - return result; - return macrisc_write_config(bus, devfn, offset, len, val); -} - -static struct pci_ops chaos_pci_ops = -{ - chaos_read_config, - chaos_write_config -}; - -#ifdef CONFIG_POWER4 - -/* - * These versions of U3 HyperTransport config space access ops do not - * implement self-view of the HT host yet - */ - -#define U3_HT_CFA0(devfn, off) \ - ((((unsigned long)devfn) << 8) | offset) -#define U3_HT_CFA1(bus, devfn, off) \ - (U3_HT_CFA0(devfn, off) \ - + (((unsigned long)bus) << 16) \ - + 0x01000000UL) - -static void volatile __iomem * -u3_ht_cfg_access(struct pci_controller* hose, u8 bus, u8 devfn, u8 offset) -{ - if (bus == hose->first_busno) { - /* For now, we don't self probe U3 HT bridge */ - if (PCI_FUNC(devfn) != 0 || PCI_SLOT(devfn) > 7 || - PCI_SLOT(devfn) < 1) - return 0; - return hose->cfg_data + U3_HT_CFA0(devfn, offset); - } else - return hose->cfg_data + U3_HT_CFA1(bus, devfn, offset); -} - -static int -u3_ht_read_config(struct pci_bus *bus, unsigned int devfn, int offset, - int len, u32 *val) -{ - struct pci_controller *hose = bus->sysdata; - void volatile __iomem *addr; - int i; - - struct device_node *np = pci_busdev_to_OF_node(bus, devfn); - if (np == NULL) - return PCIBIOS_DEVICE_NOT_FOUND; - - /* - * When a device in K2 is powered down, we die on config - * cycle accesses. Fix that here. - */ - for (i=0; i<2; i++) - if (k2_skiplist[i] == np) { - switch (len) { - case 1: - *val = 0xff; break; - case 2: - *val = 0xffff; break; - default: - *val = 0xfffffffful; break; - } - return PCIBIOS_SUCCESSFUL; - } - - addr = u3_ht_cfg_access(hose, bus->number, devfn, offset); - if (!addr) - return PCIBIOS_DEVICE_NOT_FOUND; - /* - * Note: the caller has already checked that offset is - * suitably aligned and that len is 1, 2 or 4. - */ - switch (len) { - case 1: - *val = in_8(addr); - break; - case 2: - *val = in_le16(addr); - break; - default: - *val = in_le32(addr); - break; - } - return PCIBIOS_SUCCESSFUL; -} - -static int -u3_ht_write_config(struct pci_bus *bus, unsigned int devfn, int offset, - int len, u32 val) -{ - struct pci_controller *hose = bus->sysdata; - void volatile __iomem *addr; - int i; - - struct device_node *np = pci_busdev_to_OF_node(bus, devfn); - if (np == NULL) - return PCIBIOS_DEVICE_NOT_FOUND; - /* - * When a device in K2 is powered down, we die on config - * cycle accesses. Fix that here. - */ - for (i=0; i<2; i++) - if (k2_skiplist[i] == np) - return PCIBIOS_SUCCESSFUL; - - addr = u3_ht_cfg_access(hose, bus->number, devfn, offset); - if (!addr) - return PCIBIOS_DEVICE_NOT_FOUND; - /* - * Note: the caller has already checked that offset is - * suitably aligned and that len is 1, 2 or 4. - */ - switch (len) { - case 1: - out_8(addr, val); - (void) in_8(addr); - break; - case 2: - out_le16(addr, val); - (void) in_le16(addr); - break; - default: - out_le32(addr, val); - (void) in_le32(addr); - break; - } - return PCIBIOS_SUCCESSFUL; -} - -static struct pci_ops u3_ht_pci_ops = -{ - u3_ht_read_config, - u3_ht_write_config -}; - -#endif /* CONFIG_POWER4 */ - -/* - * For a bandit bridge, turn on cache coherency if necessary. - * N.B. we could clean this up using the hose ops directly. - */ -static void __init -init_bandit(struct pci_controller *bp) -{ - unsigned int vendev, magic; - int rev; - - /* read the word at offset 0 in config space for device 11 */ - out_le32(bp->cfg_addr, (1UL << BANDIT_DEVNUM) + PCI_VENDOR_ID); - udelay(2); - vendev = in_le32(bp->cfg_data); - if (vendev == (PCI_DEVICE_ID_APPLE_BANDIT << 16) + - PCI_VENDOR_ID_APPLE) { - /* read the revision id */ - out_le32(bp->cfg_addr, - (1UL << BANDIT_DEVNUM) + PCI_REVISION_ID); - udelay(2); - rev = in_8(bp->cfg_data); - if (rev != BANDIT_REVID) - printk(KERN_WARNING - "Unknown revision %d for bandit\n", rev); - } else if (vendev != (BANDIT_DEVID_2 << 16) + PCI_VENDOR_ID_APPLE) { - printk(KERN_WARNING "bandit isn't? (%x)\n", vendev); - return; - } - - /* read the word at offset 0x50 */ - out_le32(bp->cfg_addr, (1UL << BANDIT_DEVNUM) + BANDIT_MAGIC); - udelay(2); - magic = in_le32(bp->cfg_data); - if ((magic & BANDIT_COHERENT) != 0) - return; - magic |= BANDIT_COHERENT; - udelay(2); - out_le32(bp->cfg_data, magic); - printk(KERN_INFO "Cache coherency enabled for bandit/PSX\n"); -} - - -/* - * Tweak the PCI-PCI bridge chip on the blue & white G3s. - */ -static void __init -init_p2pbridge(void) -{ - struct device_node *p2pbridge; - struct pci_controller* hose; - u8 bus, devfn; - u16 val; - - /* XXX it would be better here to identify the specific - PCI-PCI bridge chip we have. */ - if ((p2pbridge = find_devices("pci-bridge")) == 0 - || p2pbridge->parent == NULL - || strcmp(p2pbridge->parent->name, "pci") != 0) - return; - if (pci_device_from_OF_node(p2pbridge, &bus, &devfn) < 0) { - DBG("Can't find PCI infos for PCI<->PCI bridge\n"); - return; - } - /* Warning: At this point, we have not yet renumbered all busses. - * So we must use OF walking to find out hose - */ - hose = pci_find_hose_for_OF_device(p2pbridge); - if (!hose) { - DBG("Can't find hose for PCI<->PCI bridge\n"); - return; - } - if (early_read_config_word(hose, bus, devfn, - PCI_BRIDGE_CONTROL, &val) < 0) { - printk(KERN_ERR "init_p2pbridge: couldn't read bridge control\n"); - return; - } - val &= ~PCI_BRIDGE_CTL_MASTER_ABORT; - early_write_config_word(hose, bus, devfn, PCI_BRIDGE_CONTROL, val); -} - -/* - * Some Apple desktop machines have a NEC PD720100A USB2 controller - * on the motherboard. Open Firmware, on these, will disable the - * EHCI part of it so it behaves like a pair of OHCI's. This fixup - * code re-enables it ;) - */ -static void __init -fixup_nec_usb2(void) -{ - struct device_node *nec; - - for (nec = NULL; (nec = of_find_node_by_name(nec, "usb")) != NULL;) { - struct pci_controller *hose; - u32 data, *prop; - u8 bus, devfn; - - prop = (u32 *)get_property(nec, "vendor-id", NULL); - if (prop == NULL) - continue; - if (0x1033 != *prop) - continue; - prop = (u32 *)get_property(nec, "device-id", NULL); - if (prop == NULL) - continue; - if (0x0035 != *prop) - continue; - prop = (u32 *)get_property(nec, "reg", NULL); - if (prop == NULL) - continue; - devfn = (prop[0] >> 8) & 0xff; - bus = (prop[0] >> 16) & 0xff; - if (PCI_FUNC(devfn) != 0) - continue; - hose = pci_find_hose_for_OF_device(nec); - if (!hose) - continue; - early_read_config_dword(hose, bus, devfn, 0xe4, &data); - if (data & 1UL) { - printk("Found NEC PD720100A USB2 chip with disabled EHCI, fixing up...\n"); - data &= ~1UL; - early_write_config_dword(hose, bus, devfn, 0xe4, data); - early_write_config_byte(hose, bus, devfn | 2, PCI_INTERRUPT_LINE, - nec->intrs[0].line); - } - } -} - -void __init -pmac_find_bridges(void) -{ - struct device_node *np, *root; - struct device_node *ht = NULL; - - root = of_find_node_by_path("/"); - if (root == NULL) { - printk(KERN_CRIT "pmac_find_bridges: can't find root of device tree\n"); - return; - } - for (np = NULL; (np = of_get_next_child(root, np)) != NULL;) { - if (np->name == NULL) - continue; - if (strcmp(np->name, "bandit") == 0 - || strcmp(np->name, "chaos") == 0 - || strcmp(np->name, "pci") == 0) { - if (add_bridge(np) == 0) - of_node_get(np); - } - if (strcmp(np->name, "ht") == 0) { - of_node_get(np); - ht = np; - } - } - of_node_put(root); - - /* Probe HT last as it relies on the agp resources to be already - * setup - */ - if (ht && add_bridge(ht) != 0) - of_node_put(ht); - - init_p2pbridge(); - fixup_nec_usb2(); - - /* We are still having some issues with the Xserve G4, enabling - * some offset between bus number and domains for now when we - * assign all busses should help for now - */ - if (pci_assign_all_buses) - pcibios_assign_bus_offset = 0x10; - -#ifdef CONFIG_POWER4 - /* There is something wrong with DMA on U3/HT. I haven't figured out - * the details yet, but if I set the cache line size to 128 bytes like - * it should, I'm getting memory corruption caused by devices like - * sungem (even without the MWI bit set, but maybe sungem doesn't - * care). Right now, it appears that setting up a 64 bytes line size - * works properly, 64 bytes beeing the max transfer size of HT, I - * suppose this is related the way HT/PCI are hooked together. I still - * need to dive into more specs though to be really sure of what's - * going on. --BenH. - * - * Ok, apparently, it's just that HT can't do more than 64 bytes - * transactions. MWI seem to be meaningless there as well, it may - * be worth nop'ing out pci_set_mwi too though I haven't done that - * yet. - * - * Note that it's a bit different for whatever is in the AGP slot. - * For now, I don't care, but this can become a real issue, we - * should probably hook pci_set_mwi anyway to make sure it sets - * the real cache line size in there. - */ - if (machine_is_compatible("MacRISC4")) - pci_cache_line_size = 16; /* 64 bytes */ - - pmac_check_ht_link(); -#endif /* CONFIG_POWER4 */ -} - -#define GRACKLE_CFA(b, d, o) (0x80 | ((b) << 8) | ((d) << 16) \ - | (((o) & ~3) << 24)) - -#define GRACKLE_PICR1_STG 0x00000040 -#define GRACKLE_PICR1_LOOPSNOOP 0x00000010 - -/* N.B. this is called before bridges is initialized, so we can't - use grackle_pcibios_{read,write}_config_dword. */ -static inline void grackle_set_stg(struct pci_controller* bp, int enable) -{ - unsigned int val; - - out_be32(bp->cfg_addr, GRACKLE_CFA(0, 0, 0xa8)); - val = in_le32(bp->cfg_data); - val = enable? (val | GRACKLE_PICR1_STG) : - (val & ~GRACKLE_PICR1_STG); - out_be32(bp->cfg_addr, GRACKLE_CFA(0, 0, 0xa8)); - out_le32(bp->cfg_data, val); - (void)in_le32(bp->cfg_data); -} - -static inline void grackle_set_loop_snoop(struct pci_controller *bp, int enable) -{ - unsigned int val; - - out_be32(bp->cfg_addr, GRACKLE_CFA(0, 0, 0xa8)); - val = in_le32(bp->cfg_data); - val = enable? (val | GRACKLE_PICR1_LOOPSNOOP) : - (val & ~GRACKLE_PICR1_LOOPSNOOP); - out_be32(bp->cfg_addr, GRACKLE_CFA(0, 0, 0xa8)); - out_le32(bp->cfg_data, val); - (void)in_le32(bp->cfg_data); -} - -static int __init -setup_uninorth(struct pci_controller* hose, struct reg_property* addr) -{ - pci_assign_all_buses = 1; - has_uninorth = 1; - hose->ops = ¯isc_pci_ops; - hose->cfg_addr = ioremap(addr->address + 0x800000, 0x1000); - hose->cfg_data = ioremap(addr->address + 0xc00000, 0x1000); - /* We "know" that the bridge at f2000000 has the PCI slots. */ - return addr->address == 0xf2000000; -} - -static void __init -setup_bandit(struct pci_controller* hose, struct reg_property* addr) -{ - hose->ops = ¯isc_pci_ops; - hose->cfg_addr = ioremap(addr->address + 0x800000, 0x1000); - hose->cfg_data = ioremap(addr->address + 0xc00000, 0x1000); - init_bandit(hose); -} - -static void __init -setup_chaos(struct pci_controller* hose, struct reg_property* addr) -{ - /* assume a `chaos' bridge */ - hose->ops = &chaos_pci_ops; - hose->cfg_addr = ioremap(addr->address + 0x800000, 0x1000); - hose->cfg_data = ioremap(addr->address + 0xc00000, 0x1000); -} - -#ifdef CONFIG_POWER4 - -static void __init -setup_u3_agp(struct pci_controller* hose, struct reg_property* addr) -{ - /* On G5, we move AGP up to high bus number so we don't need - * to reassign bus numbers for HT. If we ever have P2P bridges - * on AGP, we'll have to move pci_assign_all_buses to the - * pci_controller structure so we enable it for AGP and not for - * HT childs. - * We hard code the address because of the different size of - * the reg address cell, we shall fix that by killing struct - * reg_property and using some accessor functions instead - */ - hose->first_busno = 0xf0; - hose->last_busno = 0xff; - has_uninorth = 1; - hose->ops = ¯isc_pci_ops; - hose->cfg_addr = ioremap(0xf0000000 + 0x800000, 0x1000); - hose->cfg_data = ioremap(0xf0000000 + 0xc00000, 0x1000); - - u3_agp = hose; -} - -static void __init -setup_u3_ht(struct pci_controller* hose, struct reg_property *addr) -{ - struct device_node *np = (struct device_node *)hose->arch_data; - int i, cur; - - hose->ops = &u3_ht_pci_ops; - - /* We hard code the address because of the different size of - * the reg address cell, we shall fix that by killing struct - * reg_property and using some accessor functions instead - */ - hose->cfg_data = ioremap(0xf2000000, 0x02000000); - - /* - * /ht node doesn't expose a "ranges" property, so we "remove" regions that - * have been allocated to AGP. So far, this version of the code doesn't assign - * any of the 0xfxxxxxxx "fine" memory regions to /ht. - * We need to fix that sooner or later by either parsing all child "ranges" - * properties or figuring out the U3 address space decoding logic and - * then read its configuration register (if any). - */ - hose->io_base_phys = 0xf4000000; - hose->io_base_virt = ioremap(hose->io_base_phys, 0x00400000); - isa_io_base = (unsigned long) hose->io_base_virt; - hose->io_resource.name = np->full_name; - hose->io_resource.start = 0; - hose->io_resource.end = 0x003fffff; - hose->io_resource.flags = IORESOURCE_IO; - hose->pci_mem_offset = 0; - hose->first_busno = 0; - hose->last_busno = 0xef; - hose->mem_resources[0].name = np->full_name; - hose->mem_resources[0].start = 0x80000000; - hose->mem_resources[0].end = 0xefffffff; - hose->mem_resources[0].flags = IORESOURCE_MEM; - - if (u3_agp == NULL) { - DBG("U3 has no AGP, using full resource range\n"); - return; - } - - /* We "remove" the AGP resources from the resources allocated to HT, that - * is we create "holes". However, that code does assumptions that so far - * happen to be true (cross fingers...), typically that resources in the - * AGP node are properly ordered - */ - cur = 0; - for (i=0; i<3; i++) { - struct resource *res = &u3_agp->mem_resources[i]; - if (res->flags != IORESOURCE_MEM) - continue; - /* We don't care about "fine" resources */ - if (res->start >= 0xf0000000) - continue; - /* Check if it's just a matter of "shrinking" us in one direction */ - if (hose->mem_resources[cur].start == res->start) { - DBG("U3/HT: shrink start of %d, %08lx -> %08lx\n", - cur, hose->mem_resources[cur].start, res->end + 1); - hose->mem_resources[cur].start = res->end + 1; - continue; - } - if (hose->mem_resources[cur].end == res->end) { - DBG("U3/HT: shrink end of %d, %08lx -> %08lx\n", - cur, hose->mem_resources[cur].end, res->start - 1); - hose->mem_resources[cur].end = res->start - 1; - continue; - } - /* No, it's not the case, we need a hole */ - if (cur == 2) { - /* not enough resources to make a hole, we drop part of the range */ - printk(KERN_WARNING "Running out of resources for /ht host !\n"); - hose->mem_resources[cur].end = res->start - 1; - continue; - } - cur++; - DBG("U3/HT: hole, %d end at %08lx, %d start at %08lx\n", - cur-1, res->start - 1, cur, res->end + 1); - hose->mem_resources[cur].name = np->full_name; - hose->mem_resources[cur].flags = IORESOURCE_MEM; - hose->mem_resources[cur].start = res->end + 1; - hose->mem_resources[cur].end = hose->mem_resources[cur-1].end; - hose->mem_resources[cur-1].end = res->start - 1; - } -} - -#endif /* CONFIG_POWER4 */ - -void __init -setup_grackle(struct pci_controller *hose) -{ - setup_indirect_pci(hose, 0xfec00000, 0xfee00000); - if (machine_is_compatible("AAPL,PowerBook1998")) - grackle_set_loop_snoop(hose, 1); -#if 0 /* Disabled for now, HW problems ??? */ - grackle_set_stg(hose, 1); -#endif -} - -/* - * We assume that if we have a G3 powermac, we have one bridge called - * "pci" (a MPC106) and no bandit or chaos bridges, and contrariwise, - * if we have one or more bandit or chaos bridges, we don't have a MPC106. - */ -static int __init -add_bridge(struct device_node *dev) -{ - int len; - struct pci_controller *hose; - struct reg_property *addr; - char* disp_name; - int *bus_range; - int primary = 1; - - DBG("Adding PCI host bridge %s\n", dev->full_name); - - addr = (struct reg_property *) get_property(dev, "reg", &len); - if (addr == NULL || len < sizeof(*addr)) { - printk(KERN_WARNING "Can't use %s: no address\n", - dev->full_name); - return -ENODEV; - } - bus_range = (int *) get_property(dev, "bus-range", &len); - if (bus_range == NULL || len < 2 * sizeof(int)) { - printk(KERN_WARNING "Can't get bus-range for %s, assume bus 0\n", - dev->full_name); - } - - hose = pcibios_alloc_controller(); - if (!hose) - return -ENOMEM; - hose->arch_data = dev; - hose->first_busno = bus_range ? bus_range[0] : 0; - hose->last_busno = bus_range ? bus_range[1] : 0xff; - - disp_name = NULL; -#ifdef CONFIG_POWER4 - if (device_is_compatible(dev, "u3-agp")) { - setup_u3_agp(hose, addr); - disp_name = "U3-AGP"; - primary = 0; - } else if (device_is_compatible(dev, "u3-ht")) { - setup_u3_ht(hose, addr); - disp_name = "U3-HT"; - primary = 1; - } else -#endif /* CONFIG_POWER4 */ - if (device_is_compatible(dev, "uni-north")) { - primary = setup_uninorth(hose, addr); - disp_name = "UniNorth"; - } else if (strcmp(dev->name, "pci") == 0) { - /* XXX assume this is a mpc106 (grackle) */ - setup_grackle(hose); - disp_name = "Grackle (MPC106)"; - } else if (strcmp(dev->name, "bandit") == 0) { - setup_bandit(hose, addr); - disp_name = "Bandit"; - } else if (strcmp(dev->name, "chaos") == 0) { - setup_chaos(hose, addr); - disp_name = "Chaos"; - primary = 0; - } - printk(KERN_INFO "Found %s PCI host bridge at 0x%08x. Firmware bus number: %d->%d\n", - disp_name, addr->address, hose->first_busno, hose->last_busno); - DBG(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n", - hose, hose->cfg_addr, hose->cfg_data); - - /* Interpret the "ranges" property */ - /* This also maps the I/O region and sets isa_io/mem_base */ - pci_process_bridge_OF_ranges(hose, dev, primary); - - /* Fixup "bus-range" OF property */ - fixup_bus_range(dev); - - return 0; -} - -static void __init -pcibios_fixup_OF_interrupts(void) -{ - struct pci_dev* dev = NULL; - - /* - * Open Firmware often doesn't initialize the - * PCI_INTERRUPT_LINE config register properly, so we - * should find the device node and apply the interrupt - * obtained from the OF device-tree - */ - for_each_pci_dev(dev) { - struct device_node *node; - node = pci_device_to_OF_node(dev); - /* this is the node, see if it has interrupts */ - if (node && node->n_intrs > 0) - dev->irq = node->intrs[0].line; - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); - } -} - -void __init -pmac_pcibios_fixup(void) -{ - /* Fixup interrupts according to OF tree */ - pcibios_fixup_OF_interrupts(); -} - -int -pmac_pci_enable_device_hook(struct pci_dev *dev, int initial) -{ - struct device_node* node; - int updatecfg = 0; - int uninorth_child; - - node = pci_device_to_OF_node(dev); - - /* We don't want to enable USB controllers absent from the OF tree - * (iBook second controller) - */ - if (dev->vendor == PCI_VENDOR_ID_APPLE - && (dev->class == ((PCI_CLASS_SERIAL_USB << 8) | 0x10)) - && !node) { - printk(KERN_INFO "Apple USB OHCI %s disabled by firmware\n", - pci_name(dev)); - return -EINVAL; - } - - if (!node) - return 0; - - uninorth_child = node->parent && - device_is_compatible(node->parent, "uni-north"); - - /* Firewire & GMAC were disabled after PCI probe, the driver is - * claiming them, we must re-enable them now. - */ - if (uninorth_child && !strcmp(node->name, "firewire") && - (device_is_compatible(node, "pci106b,18") || - device_is_compatible(node, "pci106b,30") || - device_is_compatible(node, "pci11c1,5811"))) { - pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, node, 0, 1); - pmac_call_feature(PMAC_FTR_1394_ENABLE, node, 0, 1); - updatecfg = 1; - } - if (uninorth_child && !strcmp(node->name, "ethernet") && - device_is_compatible(node, "gmac")) { - pmac_call_feature(PMAC_FTR_GMAC_ENABLE, node, 0, 1); - updatecfg = 1; - } - - if (updatecfg) { - u16 cmd; - - /* - * Make sure PCI is correctly configured - * - * We use old pci_bios versions of the function since, by - * default, gmac is not powered up, and so will be absent - * from the kernel initial PCI lookup. - * - * Should be replaced by 2.4 new PCI mechanisms and really - * register the device. - */ - pci_read_config_word(dev, PCI_COMMAND, &cmd); - cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE; - pci_write_config_word(dev, PCI_COMMAND, cmd); - pci_write_config_byte(dev, PCI_LATENCY_TIMER, 16); - pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, pci_cache_line_size); - } - - return 0; -} - -/* We power down some devices after they have been probed. They'll - * be powered back on later on - */ -void __init -pmac_pcibios_after_init(void) -{ - struct device_node* nd; - -#ifdef CONFIG_BLK_DEV_IDE - struct pci_dev *dev = NULL; - - /* OF fails to initialize IDE controllers on macs - * (and maybe other machines) - * - * Ideally, this should be moved to the IDE layer, but we need - * to check specifically with Andre Hedrick how to do it cleanly - * since the common IDE code seem to care about the fact that the - * BIOS may have disabled a controller. - * - * -- BenH - */ - for_each_pci_dev(dev) { - if ((dev->class >> 16) == PCI_BASE_CLASS_STORAGE) - pci_enable_device(dev); - } -#endif /* CONFIG_BLK_DEV_IDE */ - - nd = find_devices("firewire"); - while (nd) { - if (nd->parent && (device_is_compatible(nd, "pci106b,18") || - device_is_compatible(nd, "pci106b,30") || - device_is_compatible(nd, "pci11c1,5811")) - && device_is_compatible(nd->parent, "uni-north")) { - pmac_call_feature(PMAC_FTR_1394_ENABLE, nd, 0, 0); - pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, nd, 0, 0); - } - nd = nd->next; - } - nd = find_devices("ethernet"); - while (nd) { - if (nd->parent && device_is_compatible(nd, "gmac") - && device_is_compatible(nd->parent, "uni-north")) - pmac_call_feature(PMAC_FTR_GMAC_ENABLE, nd, 0, 0); - nd = nd->next; - } -} - -void pmac_pci_fixup_cardbus(struct pci_dev* dev) -{ - if (_machine != _MACH_Pmac) - return; - /* - * Fix the interrupt routing on the various cardbus bridges - * used on powerbooks - */ - if (dev->vendor != PCI_VENDOR_ID_TI) - return; - if (dev->device == PCI_DEVICE_ID_TI_1130 || - dev->device == PCI_DEVICE_ID_TI_1131) { - u8 val; - /* Enable PCI interrupt */ - if (pci_read_config_byte(dev, 0x91, &val) == 0) - pci_write_config_byte(dev, 0x91, val | 0x30); - /* Disable ISA interrupt mode */ - if (pci_read_config_byte(dev, 0x92, &val) == 0) - pci_write_config_byte(dev, 0x92, val & ~0x06); - } - if (dev->device == PCI_DEVICE_ID_TI_1210 || - dev->device == PCI_DEVICE_ID_TI_1211 || - dev->device == PCI_DEVICE_ID_TI_1410 || - dev->device == PCI_DEVICE_ID_TI_1510) { - u8 val; - /* 0x8c == TI122X_IRQMUX, 2 says to route the INTA - signal out the MFUNC0 pin */ - if (pci_read_config_byte(dev, 0x8c, &val) == 0) - pci_write_config_byte(dev, 0x8c, (val & ~0x0f) | 2); - /* Disable ISA interrupt mode */ - if (pci_read_config_byte(dev, 0x92, &val) == 0) - pci_write_config_byte(dev, 0x92, val & ~0x06); - } -} - -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_TI, PCI_ANY_ID, pmac_pci_fixup_cardbus); - -void pmac_pci_fixup_pciata(struct pci_dev* dev) -{ - u8 progif = 0; - - /* - * On PowerMacs, we try to switch any PCI ATA controller to - * fully native mode - */ - if (_machine != _MACH_Pmac) - return; - /* Some controllers don't have the class IDE */ - if (dev->vendor == PCI_VENDOR_ID_PROMISE) - switch(dev->device) { - case PCI_DEVICE_ID_PROMISE_20246: - case PCI_DEVICE_ID_PROMISE_20262: - case PCI_DEVICE_ID_PROMISE_20263: - case PCI_DEVICE_ID_PROMISE_20265: - case PCI_DEVICE_ID_PROMISE_20267: - case PCI_DEVICE_ID_PROMISE_20268: - case PCI_DEVICE_ID_PROMISE_20269: - case PCI_DEVICE_ID_PROMISE_20270: - case PCI_DEVICE_ID_PROMISE_20271: - case PCI_DEVICE_ID_PROMISE_20275: - case PCI_DEVICE_ID_PROMISE_20276: - case PCI_DEVICE_ID_PROMISE_20277: - goto good; - } - /* Others, check PCI class */ - if ((dev->class >> 8) != PCI_CLASS_STORAGE_IDE) - return; - good: - pci_read_config_byte(dev, PCI_CLASS_PROG, &progif); - if ((progif & 5) != 5) { - printk(KERN_INFO "Forcing PCI IDE into native mode: %s\n", pci_name(dev)); - (void) pci_write_config_byte(dev, PCI_CLASS_PROG, progif|5); - if (pci_read_config_byte(dev, PCI_CLASS_PROG, &progif) || - (progif & 5) != 5) - printk(KERN_ERR "Rewrite of PROGIF failed !\n"); - } -} -DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, pmac_pci_fixup_pciata); - - -/* - * Disable second function on K2-SATA, it's broken - * and disable IO BARs on first one - */ -void pmac_pci_fixup_k2_sata(struct pci_dev* dev) -{ - int i; - u16 cmd; - - if (PCI_FUNC(dev->devfn) > 0) { - pci_read_config_word(dev, PCI_COMMAND, &cmd); - cmd &= ~(PCI_COMMAND_IO | PCI_COMMAND_MEMORY); - pci_write_config_word(dev, PCI_COMMAND, cmd); - for (i = 0; i < 6; i++) { - dev->resource[i].start = dev->resource[i].end = 0; - dev->resource[i].flags = 0; - pci_write_config_dword(dev, PCI_BASE_ADDRESS_0 + 4 * i, 0); - } - } else { - pci_read_config_word(dev, PCI_COMMAND, &cmd); - cmd &= ~PCI_COMMAND_IO; - pci_write_config_word(dev, PCI_COMMAND, cmd); - for (i = 0; i < 5; i++) { - dev->resource[i].start = dev->resource[i].end = 0; - dev->resource[i].flags = 0; - pci_write_config_dword(dev, PCI_BASE_ADDRESS_0 + 4 * i, 0); - } - } -} -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SERVERWORKS, 0x0240, pmac_pci_fixup_k2_sata); diff --git a/arch/ppc/platforms/pmac_pic.c b/arch/ppc/platforms/pmac_pic.c deleted file mode 100644 index 4742bf609357..000000000000 --- a/arch/ppc/platforms/pmac_pic.c +++ /dev/null @@ -1,693 +0,0 @@ -/* - * Support for the interrupt controllers found on Power Macintosh, - * currently Apple's "Grand Central" interrupt controller in all - * it's incarnations. OpenPIC support used on newer machines is - * in a separate file - * - * Copyright (C) 1997 Paul Mackerras (paulus@cs.anu.edu.au) - * - * Maintained by Benjamin Herrenschmidt (benh@kernel.crashing.org) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - */ - -#include <linux/config.h> -#include <linux/stddef.h> -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/signal.h> -#include <linux/pci.h> -#include <linux/interrupt.h> -#include <linux/sysdev.h> -#include <linux/adb.h> -#include <linux/pmu.h> - -#include <asm/sections.h> -#include <asm/io.h> -#include <asm/smp.h> -#include <asm/prom.h> -#include <asm/pci-bridge.h> -#include <asm/time.h> -#include <asm/open_pic.h> -#include <asm/xmon.h> -#include <asm/pmac_feature.h> -#include <asm/machdep.h> - -#include "pmac_pic.h" - -/* - * XXX this should be in xmon.h, but putting it there means xmon.h - * has to include <linux/interrupt.h> (to get irqreturn_t), which - * causes all sorts of problems. -- paulus - */ -extern irqreturn_t xmon_irq(int, void *, struct pt_regs *); - -struct pmac_irq_hw { - unsigned int event; - unsigned int enable; - unsigned int ack; - unsigned int level; -}; - -/* Default addresses */ -static volatile struct pmac_irq_hw *pmac_irq_hw[4] = { - (struct pmac_irq_hw *) 0xf3000020, - (struct pmac_irq_hw *) 0xf3000010, - (struct pmac_irq_hw *) 0xf4000020, - (struct pmac_irq_hw *) 0xf4000010, -}; - -#define GC_LEVEL_MASK 0x3ff00000 -#define OHARE_LEVEL_MASK 0x1ff00000 -#define HEATHROW_LEVEL_MASK 0x1ff00000 - -static int max_irqs; -static int max_real_irqs; -static u32 level_mask[4]; - -static DEFINE_SPINLOCK(pmac_pic_lock); - - -#define GATWICK_IRQ_POOL_SIZE 10 -static struct interrupt_info gatwick_int_pool[GATWICK_IRQ_POOL_SIZE]; - -#define NR_MASK_WORDS ((NR_IRQS + 31) / 32) -static unsigned long ppc_lost_interrupts[NR_MASK_WORDS]; - -/* - * Mark an irq as "lost". This is only used on the pmac - * since it can lose interrupts (see pmac_set_irq_mask). - * -- Cort - */ -void -__set_lost(unsigned long irq_nr, int nokick) -{ - if (!test_and_set_bit(irq_nr, ppc_lost_interrupts)) { - atomic_inc(&ppc_n_lost_interrupts); - if (!nokick) - set_dec(1); - } -} - -static void -pmac_mask_and_ack_irq(unsigned int irq_nr) -{ - unsigned long bit = 1UL << (irq_nr & 0x1f); - int i = irq_nr >> 5; - unsigned long flags; - - if ((unsigned)irq_nr >= max_irqs) - return; - - clear_bit(irq_nr, ppc_cached_irq_mask); - if (test_and_clear_bit(irq_nr, ppc_lost_interrupts)) - atomic_dec(&ppc_n_lost_interrupts); - spin_lock_irqsave(&pmac_pic_lock, flags); - out_le32(&pmac_irq_hw[i]->enable, ppc_cached_irq_mask[i]); - out_le32(&pmac_irq_hw[i]->ack, bit); - do { - /* make sure ack gets to controller before we enable - interrupts */ - mb(); - } while((in_le32(&pmac_irq_hw[i]->enable) & bit) - != (ppc_cached_irq_mask[i] & bit)); - spin_unlock_irqrestore(&pmac_pic_lock, flags); -} - -static void pmac_set_irq_mask(unsigned int irq_nr, int nokicklost) -{ - unsigned long bit = 1UL << (irq_nr & 0x1f); - int i = irq_nr >> 5; - unsigned long flags; - - if ((unsigned)irq_nr >= max_irqs) - return; - - spin_lock_irqsave(&pmac_pic_lock, flags); - /* enable unmasked interrupts */ - out_le32(&pmac_irq_hw[i]->enable, ppc_cached_irq_mask[i]); - - do { - /* make sure mask gets to controller before we - return to user */ - mb(); - } while((in_le32(&pmac_irq_hw[i]->enable) & bit) - != (ppc_cached_irq_mask[i] & bit)); - - /* - * Unfortunately, setting the bit in the enable register - * when the device interrupt is already on *doesn't* set - * the bit in the flag register or request another interrupt. - */ - if (bit & ppc_cached_irq_mask[i] & in_le32(&pmac_irq_hw[i]->level)) - __set_lost((ulong)irq_nr, nokicklost); - spin_unlock_irqrestore(&pmac_pic_lock, flags); -} - -/* When an irq gets requested for the first client, if it's an - * edge interrupt, we clear any previous one on the controller - */ -static unsigned int pmac_startup_irq(unsigned int irq_nr) -{ - unsigned long bit = 1UL << (irq_nr & 0x1f); - int i = irq_nr >> 5; - - if ((irq_desc[irq_nr].status & IRQ_LEVEL) == 0) - out_le32(&pmac_irq_hw[i]->ack, bit); - set_bit(irq_nr, ppc_cached_irq_mask); - pmac_set_irq_mask(irq_nr, 0); - - return 0; -} - -static void pmac_mask_irq(unsigned int irq_nr) -{ - clear_bit(irq_nr, ppc_cached_irq_mask); - pmac_set_irq_mask(irq_nr, 0); - mb(); -} - -static void pmac_unmask_irq(unsigned int irq_nr) -{ - set_bit(irq_nr, ppc_cached_irq_mask); - pmac_set_irq_mask(irq_nr, 0); -} - -static void pmac_end_irq(unsigned int irq_nr) -{ - if (!(irq_desc[irq_nr].status & (IRQ_DISABLED|IRQ_INPROGRESS)) - && irq_desc[irq_nr].action) { - set_bit(irq_nr, ppc_cached_irq_mask); - pmac_set_irq_mask(irq_nr, 1); - } -} - - -struct hw_interrupt_type pmac_pic = { - .typename = " PMAC-PIC ", - .startup = pmac_startup_irq, - .enable = pmac_unmask_irq, - .disable = pmac_mask_irq, - .ack = pmac_mask_and_ack_irq, - .end = pmac_end_irq, -}; - -struct hw_interrupt_type gatwick_pic = { - .typename = " GATWICK ", - .startup = pmac_startup_irq, - .enable = pmac_unmask_irq, - .disable = pmac_mask_irq, - .ack = pmac_mask_and_ack_irq, - .end = pmac_end_irq, -}; - -static irqreturn_t gatwick_action(int cpl, void *dev_id, struct pt_regs *regs) -{ - int irq, bits; - - for (irq = max_irqs; (irq -= 32) >= max_real_irqs; ) { - int i = irq >> 5; - bits = in_le32(&pmac_irq_hw[i]->event) | ppc_lost_interrupts[i]; - /* We must read level interrupts from the level register */ - bits |= (in_le32(&pmac_irq_hw[i]->level) & level_mask[i]); - bits &= ppc_cached_irq_mask[i]; - if (bits == 0) - continue; - irq += __ilog2(bits); - __do_IRQ(irq, regs); - return IRQ_HANDLED; - } - printk("gatwick irq not from gatwick pic\n"); - return IRQ_NONE; -} - -int -pmac_get_irq(struct pt_regs *regs) -{ - int irq; - unsigned long bits = 0; - -#ifdef CONFIG_SMP - void psurge_smp_message_recv(struct pt_regs *); - - /* IPI's are a hack on the powersurge -- Cort */ - if ( smp_processor_id() != 0 ) { - psurge_smp_message_recv(regs); - return -2; /* ignore, already handled */ - } -#endif /* CONFIG_SMP */ - for (irq = max_real_irqs; (irq -= 32) >= 0; ) { - int i = irq >> 5; - bits = in_le32(&pmac_irq_hw[i]->event) | ppc_lost_interrupts[i]; - /* We must read level interrupts from the level register */ - bits |= (in_le32(&pmac_irq_hw[i]->level) & level_mask[i]); - bits &= ppc_cached_irq_mask[i]; - if (bits == 0) - continue; - irq += __ilog2(bits); - break; - } - - return irq; -} - -/* This routine will fix some missing interrupt values in the device tree - * on the gatwick mac-io controller used by some PowerBooks - */ -static void __init -pmac_fix_gatwick_interrupts(struct device_node *gw, int irq_base) -{ - struct device_node *node; - int count; - - memset(gatwick_int_pool, 0, sizeof(gatwick_int_pool)); - node = gw->child; - count = 0; - while(node) - { - /* Fix SCC */ - if (strcasecmp(node->name, "escc") == 0) - if (node->child) { - if (node->child->n_intrs < 3) { - node->child->intrs = &gatwick_int_pool[count]; - count += 3; - } - node->child->n_intrs = 3; - node->child->intrs[0].line = 15+irq_base; - node->child->intrs[1].line = 4+irq_base; - node->child->intrs[2].line = 5+irq_base; - printk(KERN_INFO "irq: fixed SCC on second controller (%d,%d,%d)\n", - node->child->intrs[0].line, - node->child->intrs[1].line, - node->child->intrs[2].line); - } - /* Fix media-bay & left SWIM */ - if (strcasecmp(node->name, "media-bay") == 0) { - struct device_node* ya_node; - - if (node->n_intrs == 0) - node->intrs = &gatwick_int_pool[count++]; - node->n_intrs = 1; - node->intrs[0].line = 29+irq_base; - printk(KERN_INFO "irq: fixed media-bay on second controller (%d)\n", - node->intrs[0].line); - - ya_node = node->child; - while(ya_node) - { - if (strcasecmp(ya_node->name, "floppy") == 0) { - if (ya_node->n_intrs < 2) { - ya_node->intrs = &gatwick_int_pool[count]; - count += 2; - } - ya_node->n_intrs = 2; - ya_node->intrs[0].line = 19+irq_base; - ya_node->intrs[1].line = 1+irq_base; - printk(KERN_INFO "irq: fixed floppy on second controller (%d,%d)\n", - ya_node->intrs[0].line, ya_node->intrs[1].line); - } - if (strcasecmp(ya_node->name, "ata4") == 0) { - if (ya_node->n_intrs < 2) { - ya_node->intrs = &gatwick_int_pool[count]; - count += 2; - } - ya_node->n_intrs = 2; - ya_node->intrs[0].line = 14+irq_base; - ya_node->intrs[1].line = 3+irq_base; - printk(KERN_INFO "irq: fixed ide on second controller (%d,%d)\n", - ya_node->intrs[0].line, ya_node->intrs[1].line); - } - ya_node = ya_node->sibling; - } - } - node = node->sibling; - } - if (count > 10) { - printk("WARNING !! Gatwick interrupt pool overflow\n"); - printk(" GATWICK_IRQ_POOL_SIZE = %d\n", GATWICK_IRQ_POOL_SIZE); - printk(" requested = %d\n", count); - } -} - -/* - * The PowerBook 3400/2400/3500 can have a combo ethernet/modem - * card which includes an ohare chip that acts as a second interrupt - * controller. If we find this second ohare, set it up and fix the - * interrupt value in the device tree for the ethernet chip. - */ -static int __init enable_second_ohare(void) -{ - unsigned char bus, devfn; - unsigned short cmd; - unsigned long addr; - struct device_node *irqctrler = find_devices("pci106b,7"); - struct device_node *ether; - - if (irqctrler == NULL || irqctrler->n_addrs <= 0) - return -1; - addr = (unsigned long) ioremap(irqctrler->addrs[0].address, 0x40); - pmac_irq_hw[1] = (volatile struct pmac_irq_hw *)(addr + 0x20); - max_irqs = 64; - if (pci_device_from_OF_node(irqctrler, &bus, &devfn) == 0) { - struct pci_controller* hose = pci_find_hose_for_OF_device(irqctrler); - if (!hose) - printk(KERN_ERR "Can't find PCI hose for OHare2 !\n"); - else { - early_read_config_word(hose, bus, devfn, PCI_COMMAND, &cmd); - cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; - cmd &= ~PCI_COMMAND_IO; - early_write_config_word(hose, bus, devfn, PCI_COMMAND, cmd); - } - } - - /* Fix interrupt for the modem/ethernet combo controller. The number - in the device tree (27) is bogus (correct for the ethernet-only - board but not the combo ethernet/modem board). - The real interrupt is 28 on the second controller -> 28+32 = 60. - */ - ether = find_devices("pci1011,14"); - if (ether && ether->n_intrs > 0) { - ether->intrs[0].line = 60; - printk(KERN_INFO "irq: Fixed ethernet IRQ to %d\n", - ether->intrs[0].line); - } - - /* Return the interrupt number of the cascade */ - return irqctrler->intrs[0].line; -} - -#ifdef CONFIG_POWER4 -static irqreturn_t k2u3_action(int cpl, void *dev_id, struct pt_regs *regs) -{ - int irq; - - irq = openpic2_get_irq(regs); - if (irq != -1) - __do_IRQ(irq, regs); - return IRQ_HANDLED; -} - -static struct irqaction k2u3_cascade_action = { - .handler = k2u3_action, - .flags = 0, - .mask = CPU_MASK_NONE, - .name = "U3->K2 Cascade", -}; -#endif /* CONFIG_POWER4 */ - -#ifdef CONFIG_XMON -static struct irqaction xmon_action = { - .handler = xmon_irq, - .flags = 0, - .mask = CPU_MASK_NONE, - .name = "NMI - XMON" -}; -#endif - -static struct irqaction gatwick_cascade_action = { - .handler = gatwick_action, - .flags = SA_INTERRUPT, - .mask = CPU_MASK_NONE, - .name = "cascade", -}; - -void __init pmac_pic_init(void) -{ - int i; - struct device_node *irqctrler = NULL; - struct device_node *irqctrler2 = NULL; - struct device_node *np; - unsigned long addr; - int irq_cascade = -1; - - /* We first try to detect Apple's new Core99 chipset, since mac-io - * is quite different on those machines and contains an IBM MPIC2. - */ - np = find_type_devices("open-pic"); - while(np) { - if (np->parent && !strcmp(np->parent->name, "u3")) - irqctrler2 = np; - else - irqctrler = np; - np = np->next; - } - if (irqctrler != NULL) - { - if (irqctrler->n_addrs > 0) - { - unsigned char senses[128]; - - printk(KERN_INFO "PowerMac using OpenPIC irq controller at 0x%08x\n", - irqctrler->addrs[0].address); - - prom_get_irq_senses(senses, 0, 128); - OpenPIC_InitSenses = senses; - OpenPIC_NumInitSenses = 128; - ppc_md.get_irq = openpic_get_irq; - pmac_call_feature(PMAC_FTR_ENABLE_MPIC, irqctrler, 0, 0); - OpenPIC_Addr = ioremap(irqctrler->addrs[0].address, - irqctrler->addrs[0].size); - openpic_init(0); - -#ifdef CONFIG_POWER4 - if (irqctrler2 != NULL && irqctrler2->n_intrs > 0 && - irqctrler2->n_addrs > 0) { - printk(KERN_INFO "Slave OpenPIC at 0x%08x hooked on IRQ %d\n", - irqctrler2->addrs[0].address, - irqctrler2->intrs[0].line); - pmac_call_feature(PMAC_FTR_ENABLE_MPIC, irqctrler2, 0, 0); - OpenPIC2_Addr = ioremap(irqctrler2->addrs[0].address, - irqctrler2->addrs[0].size); - prom_get_irq_senses(senses, PMAC_OPENPIC2_OFFSET, - PMAC_OPENPIC2_OFFSET+128); - OpenPIC_InitSenses = senses; - OpenPIC_NumInitSenses = 128; - openpic2_init(PMAC_OPENPIC2_OFFSET); - - if (setup_irq(irqctrler2->intrs[0].line, - &k2u3_cascade_action)) - printk("Unable to get OpenPIC IRQ for cascade\n"); - } -#endif /* CONFIG_POWER4 */ - -#ifdef CONFIG_XMON - { - struct device_node* pswitch; - int nmi_irq; - - pswitch = find_devices("programmer-switch"); - if (pswitch && pswitch->n_intrs) { - nmi_irq = pswitch->intrs[0].line; - openpic_init_nmi_irq(nmi_irq); - setup_irq(nmi_irq, &xmon_action); - } - } -#endif /* CONFIG_XMON */ - return; - } - irqctrler = NULL; - } - - /* Get the level/edge settings, assume if it's not - * a Grand Central nor an OHare, then it's an Heathrow - * (or Paddington). - */ - if (find_devices("gc")) - level_mask[0] = GC_LEVEL_MASK; - else if (find_devices("ohare")) { - level_mask[0] = OHARE_LEVEL_MASK; - /* We might have a second cascaded ohare */ - level_mask[1] = OHARE_LEVEL_MASK; - } else { - level_mask[0] = HEATHROW_LEVEL_MASK; - level_mask[1] = 0; - /* We might have a second cascaded heathrow */ - level_mask[2] = HEATHROW_LEVEL_MASK; - level_mask[3] = 0; - } - - /* - * G3 powermacs and 1999 G3 PowerBooks have 64 interrupts, - * 1998 G3 Series PowerBooks have 128, - * other powermacs have 32. - * The combo ethernet/modem card for the Powerstar powerbooks - * (2400/3400/3500, ohare based) has a second ohare chip - * effectively making a total of 64. - */ - max_irqs = max_real_irqs = 32; - irqctrler = find_devices("mac-io"); - if (irqctrler) - { - max_real_irqs = 64; - if (irqctrler->next) - max_irqs = 128; - else - max_irqs = 64; - } - for ( i = 0; i < max_real_irqs ; i++ ) - irq_desc[i].handler = &pmac_pic; - - /* get addresses of first controller */ - if (irqctrler) { - if (irqctrler->n_addrs > 0) { - addr = (unsigned long) - ioremap(irqctrler->addrs[0].address, 0x40); - for (i = 0; i < 2; ++i) - pmac_irq_hw[i] = (volatile struct pmac_irq_hw*) - (addr + (2 - i) * 0x10); - } - - /* get addresses of second controller */ - irqctrler = irqctrler->next; - if (irqctrler && irqctrler->n_addrs > 0) { - addr = (unsigned long) - ioremap(irqctrler->addrs[0].address, 0x40); - for (i = 2; i < 4; ++i) - pmac_irq_hw[i] = (volatile struct pmac_irq_hw*) - (addr + (4 - i) * 0x10); - irq_cascade = irqctrler->intrs[0].line; - if (device_is_compatible(irqctrler, "gatwick")) - pmac_fix_gatwick_interrupts(irqctrler, max_real_irqs); - } - } else { - /* older powermacs have a GC (grand central) or ohare at - f3000000, with interrupt control registers at f3000020. */ - addr = (unsigned long) ioremap(0xf3000000, 0x40); - pmac_irq_hw[0] = (volatile struct pmac_irq_hw *) (addr + 0x20); - } - - /* PowerBooks 3400 and 3500 can have a second controller in a second - ohare chip, on the combo ethernet/modem card */ - if (machine_is_compatible("AAPL,3400/2400") - || machine_is_compatible("AAPL,3500")) - irq_cascade = enable_second_ohare(); - - /* disable all interrupts in all controllers */ - for (i = 0; i * 32 < max_irqs; ++i) - out_le32(&pmac_irq_hw[i]->enable, 0); - /* mark level interrupts */ - for (i = 0; i < max_irqs; i++) - if (level_mask[i >> 5] & (1UL << (i & 0x1f))) - irq_desc[i].status = IRQ_LEVEL; - - /* get interrupt line of secondary interrupt controller */ - if (irq_cascade >= 0) { - printk(KERN_INFO "irq: secondary controller on irq %d\n", - (int)irq_cascade); - for ( i = max_real_irqs ; i < max_irqs ; i++ ) - irq_desc[i].handler = &gatwick_pic; - setup_irq(irq_cascade, &gatwick_cascade_action); - } - printk("System has %d possible interrupts\n", max_irqs); - if (max_irqs != max_real_irqs) - printk(KERN_DEBUG "%d interrupts on main controller\n", - max_real_irqs); - -#ifdef CONFIG_XMON - setup_irq(20, &xmon_action); -#endif /* CONFIG_XMON */ -} - -#ifdef CONFIG_PM -/* - * These procedures are used in implementing sleep on the powerbooks. - * sleep_save_intrs() saves the states of all interrupt enables - * and disables all interrupts except for the nominated one. - * sleep_restore_intrs() restores the states of all interrupt enables. - */ -unsigned long sleep_save_mask[2]; - -/* This used to be passed by the PMU driver but that link got - * broken with the new driver model. We use this tweak for now... - */ -static int pmacpic_find_viaint(void) -{ - int viaint = -1; - -#ifdef CONFIG_ADB_PMU - struct device_node *np; - - if (pmu_get_model() != PMU_OHARE_BASED) - goto not_found; - np = of_find_node_by_name(NULL, "via-pmu"); - if (np == NULL) - goto not_found; - viaint = np->intrs[0].line; -#endif /* CONFIG_ADB_PMU */ - -not_found: - return viaint; -} - -static int pmacpic_suspend(struct sys_device *sysdev, pm_message_t state) -{ - int viaint = pmacpic_find_viaint(); - - sleep_save_mask[0] = ppc_cached_irq_mask[0]; - sleep_save_mask[1] = ppc_cached_irq_mask[1]; - ppc_cached_irq_mask[0] = 0; - ppc_cached_irq_mask[1] = 0; - if (viaint > 0) - set_bit(viaint, ppc_cached_irq_mask); - out_le32(&pmac_irq_hw[0]->enable, ppc_cached_irq_mask[0]); - if (max_real_irqs > 32) - out_le32(&pmac_irq_hw[1]->enable, ppc_cached_irq_mask[1]); - (void)in_le32(&pmac_irq_hw[0]->event); - /* make sure mask gets to controller before we return to caller */ - mb(); - (void)in_le32(&pmac_irq_hw[0]->enable); - - return 0; -} - -static int pmacpic_resume(struct sys_device *sysdev) -{ - int i; - - out_le32(&pmac_irq_hw[0]->enable, 0); - if (max_real_irqs > 32) - out_le32(&pmac_irq_hw[1]->enable, 0); - mb(); - for (i = 0; i < max_real_irqs; ++i) - if (test_bit(i, sleep_save_mask)) - pmac_unmask_irq(i); - - return 0; -} - -#endif /* CONFIG_PM */ - -static struct sysdev_class pmacpic_sysclass = { - set_kset_name("pmac_pic"), -}; - -static struct sys_device device_pmacpic = { - .id = 0, - .cls = &pmacpic_sysclass, -}; - -static struct sysdev_driver driver_pmacpic = { -#ifdef CONFIG_PM - .suspend = &pmacpic_suspend, - .resume = &pmacpic_resume, -#endif /* CONFIG_PM */ -}; - -static int __init init_pmacpic_sysfs(void) -{ - if (max_irqs == 0) - return -ENODEV; - - printk(KERN_DEBUG "Registering pmac pic with sysfs...\n"); - sysdev_class_register(&pmacpic_sysclass); - sysdev_register(&device_pmacpic); - sysdev_driver_register(&pmacpic_sysclass, &driver_pmacpic); - return 0; -} - -subsys_initcall(init_pmacpic_sysfs); - diff --git a/arch/ppc/platforms/pmac_pic.h b/arch/ppc/platforms/pmac_pic.h deleted file mode 100644 index 664103dfeef9..000000000000 --- a/arch/ppc/platforms/pmac_pic.h +++ /dev/null @@ -1,11 +0,0 @@ -#ifndef __PPC_PLATFORMS_PMAC_PIC_H -#define __PPC_PLATFORMS_PMAC_PIC_H - -#include <linux/irq.h> - -extern struct hw_interrupt_type pmac_pic; - -void pmac_pic_init(void); -int pmac_get_irq(struct pt_regs *regs); - -#endif /* __PPC_PLATFORMS_PMAC_PIC_H */ diff --git a/arch/ppc/platforms/pmac_setup.c b/arch/ppc/platforms/pmac_setup.c deleted file mode 100644 index 55d2beffe560..000000000000 --- a/arch/ppc/platforms/pmac_setup.c +++ /dev/null @@ -1,745 +0,0 @@ -/* - * arch/ppc/platforms/setup.c - * - * PowerPC version - * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) - * - * Adapted for Power Macintosh by Paul Mackerras - * Copyright (C) 1996 Paul Mackerras (paulus@cs.anu.edu.au) - * - * Derived from "arch/alpha/kernel/setup.c" - * Copyright (C) 1995 Linus Torvalds - * - * Maintained by Benjamin Herrenschmidt (benh@kernel.crashing.org) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - */ - -/* - * bootup setup stuff.. - */ - -#include <linux/config.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/stddef.h> -#include <linux/unistd.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/user.h> -#include <linux/a.out.h> -#include <linux/tty.h> -#include <linux/string.h> -#include <linux/delay.h> -#include <linux/ioport.h> -#include <linux/major.h> -#include <linux/initrd.h> -#include <linux/vt_kern.h> -#include <linux/console.h> -#include <linux/ide.h> -#include <linux/pci.h> -#include <linux/adb.h> -#include <linux/cuda.h> -#include <linux/pmu.h> -#include <linux/seq_file.h> -#include <linux/root_dev.h> -#include <linux/bitops.h> -#include <linux/suspend.h> - -#include <asm/reg.h> -#include <asm/sections.h> -#include <asm/prom.h> -#include <asm/system.h> -#include <asm/pgtable.h> -#include <asm/io.h> -#include <asm/pci-bridge.h> -#include <asm/ohare.h> -#include <asm/mediabay.h> -#include <asm/machdep.h> -#include <asm/dma.h> -#include <asm/bootx.h> -#include <asm/cputable.h> -#include <asm/btext.h> -#include <asm/pmac_feature.h> -#include <asm/time.h> -#include <asm/of_device.h> -#include <asm/mmu_context.h> - -#include "pmac_pic.h" -#include "mem_pieces.h" - -#undef SHOW_GATWICK_IRQS - -extern long pmac_time_init(void); -extern unsigned long pmac_get_rtc_time(void); -extern int pmac_set_rtc_time(unsigned long nowtime); -extern void pmac_read_rtc_time(void); -extern void pmac_calibrate_decr(void); -extern void pmac_pcibios_fixup(void); -extern void pmac_find_bridges(void); -extern unsigned long pmac_ide_get_base(int index); -extern void pmac_ide_init_hwif_ports(hw_regs_t *hw, - unsigned long data_port, unsigned long ctrl_port, int *irq); - -extern void pmac_nvram_update(void); -extern unsigned char pmac_nvram_read_byte(int addr); -extern void pmac_nvram_write_byte(int addr, unsigned char val); -extern int pmac_pci_enable_device_hook(struct pci_dev *dev, int initial); -extern void pmac_pcibios_after_init(void); -extern int of_show_percpuinfo(struct seq_file *m, int i); - -struct device_node *memory_node; - -unsigned char drive_info; - -int ppc_override_l2cr = 0; -int ppc_override_l2cr_value; -int has_l2cache = 0; - -static int current_root_goodness = -1; - -extern int pmac_newworld; - -#define DEFAULT_ROOT_DEVICE Root_SDA1 /* sda1 - slightly silly choice */ - -extern void zs_kgdb_hook(int tty_num); -static void ohare_init(void); -#ifdef CONFIG_BOOTX_TEXT -static void pmac_progress(char *s, unsigned short hex); -#endif - -sys_ctrler_t sys_ctrler = SYS_CTRLER_UNKNOWN; - -#ifdef CONFIG_SMP -extern struct smp_ops_t psurge_smp_ops; -extern struct smp_ops_t core99_smp_ops; -#endif /* CONFIG_SMP */ - -static int -pmac_show_cpuinfo(struct seq_file *m) -{ - struct device_node *np; - char *pp; - int plen; - int mbmodel = pmac_call_feature(PMAC_FTR_GET_MB_INFO, - NULL, PMAC_MB_INFO_MODEL, 0); - unsigned int mbflags = (unsigned int)pmac_call_feature(PMAC_FTR_GET_MB_INFO, - NULL, PMAC_MB_INFO_FLAGS, 0); - char* mbname; - - if (pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL, PMAC_MB_INFO_NAME, (int)&mbname) != 0) - mbname = "Unknown"; - - /* find motherboard type */ - seq_printf(m, "machine\t\t: "); - np = find_devices("device-tree"); - if (np != NULL) { - pp = (char *) get_property(np, "model", NULL); - if (pp != NULL) - seq_printf(m, "%s\n", pp); - else - seq_printf(m, "PowerMac\n"); - pp = (char *) get_property(np, "compatible", &plen); - if (pp != NULL) { - seq_printf(m, "motherboard\t:"); - while (plen > 0) { - int l = strlen(pp) + 1; - seq_printf(m, " %s", pp); - plen -= l; - pp += l; - } - seq_printf(m, "\n"); - } - } else - seq_printf(m, "PowerMac\n"); - - /* print parsed model */ - seq_printf(m, "detected as\t: %d (%s)\n", mbmodel, mbname); - seq_printf(m, "pmac flags\t: %08x\n", mbflags); - - /* find l2 cache info */ - np = find_devices("l2-cache"); - if (np == 0) - np = find_type_devices("cache"); - if (np != 0) { - unsigned int *ic = (unsigned int *) - get_property(np, "i-cache-size", NULL); - unsigned int *dc = (unsigned int *) - get_property(np, "d-cache-size", NULL); - seq_printf(m, "L2 cache\t:"); - has_l2cache = 1; - if (get_property(np, "cache-unified", NULL) != 0 && dc) { - seq_printf(m, " %dK unified", *dc / 1024); - } else { - if (ic) - seq_printf(m, " %dK instruction", *ic / 1024); - if (dc) - seq_printf(m, "%s %dK data", - (ic? " +": ""), *dc / 1024); - } - pp = get_property(np, "ram-type", NULL); - if (pp) - seq_printf(m, " %s", pp); - seq_printf(m, "\n"); - } - - /* find ram info */ - np = find_devices("memory"); - if (np != 0) { - int n; - struct reg_property *reg = (struct reg_property *) - get_property(np, "reg", &n); - - if (reg != 0) { - unsigned long total = 0; - - for (n /= sizeof(struct reg_property); n > 0; --n) - total += (reg++)->size; - seq_printf(m, "memory\t\t: %luMB\n", total >> 20); - } - } - - /* Checks "l2cr-value" property in the registry */ - np = find_devices("cpus"); - if (np == 0) - np = find_type_devices("cpu"); - if (np != 0) { - unsigned int *l2cr = (unsigned int *) - get_property(np, "l2cr-value", NULL); - if (l2cr != 0) { - seq_printf(m, "l2cr override\t: 0x%x\n", *l2cr); - } - } - - /* Indicate newworld/oldworld */ - seq_printf(m, "pmac-generation\t: %s\n", - pmac_newworld ? "NewWorld" : "OldWorld"); - - - return 0; -} - -static int -pmac_show_percpuinfo(struct seq_file *m, int i) -{ -#ifdef CONFIG_CPU_FREQ_PMAC - extern unsigned int pmac_get_one_cpufreq(int i); - unsigned int freq = pmac_get_one_cpufreq(i); - if (freq != 0) { - seq_printf(m, "clock\t\t: %dMHz\n", freq/1000); - return 0; - } -#endif /* CONFIG_CPU_FREQ_PMAC */ - return of_show_percpuinfo(m, i); -} - -static volatile u32 *sysctrl_regs; - -void __init -pmac_setup_arch(void) -{ - struct device_node *cpu; - int *fp; - unsigned long pvr; - - pvr = PVR_VER(mfspr(SPRN_PVR)); - - /* Set loops_per_jiffy to a half-way reasonable value, - for use until calibrate_delay gets called. */ - cpu = find_type_devices("cpu"); - if (cpu != 0) { - fp = (int *) get_property(cpu, "clock-frequency", NULL); - if (fp != 0) { - if (pvr == 4 || pvr >= 8) - /* 604, G3, G4 etc. */ - loops_per_jiffy = *fp / HZ; - else - /* 601, 603, etc. */ - loops_per_jiffy = *fp / (2*HZ); - } else - loops_per_jiffy = 50000000 / HZ; - } - - /* this area has the CPU identification register - and some registers used by smp boards */ - sysctrl_regs = (volatile u32 *) ioremap(0xf8000000, 0x1000); - ohare_init(); - - /* Lookup PCI hosts */ - pmac_find_bridges(); - - /* Checks "l2cr-value" property in the registry */ - if (cpu_has_feature(CPU_FTR_L2CR)) { - struct device_node *np = find_devices("cpus"); - if (np == 0) - np = find_type_devices("cpu"); - if (np != 0) { - unsigned int *l2cr = (unsigned int *) - get_property(np, "l2cr-value", NULL); - if (l2cr != 0) { - ppc_override_l2cr = 1; - ppc_override_l2cr_value = *l2cr; - _set_L2CR(0); - _set_L2CR(ppc_override_l2cr_value); - } - } - } - - if (ppc_override_l2cr) - printk(KERN_INFO "L2CR overriden (0x%x), backside cache is %s\n", - ppc_override_l2cr_value, (ppc_override_l2cr_value & 0x80000000) - ? "enabled" : "disabled"); - -#ifdef CONFIG_KGDB - zs_kgdb_hook(0); -#endif - -#ifdef CONFIG_ADB_CUDA - find_via_cuda(); -#else - if (find_devices("via-cuda")) { - printk("WARNING ! Your machine is Cuda based but your kernel\n"); - printk(" wasn't compiled with CONFIG_ADB_CUDA option !\n"); - } -#endif -#ifdef CONFIG_ADB_PMU - find_via_pmu(); -#else - if (find_devices("via-pmu")) { - printk("WARNING ! Your machine is PMU based but your kernel\n"); - printk(" wasn't compiled with CONFIG_ADB_PMU option !\n"); - } -#endif -#ifdef CONFIG_NVRAM - pmac_nvram_init(); -#endif -#ifdef CONFIG_BLK_DEV_INITRD - if (initrd_start) - ROOT_DEV = Root_RAM0; - else -#endif - ROOT_DEV = DEFAULT_ROOT_DEVICE; - -#ifdef CONFIG_SMP - /* Check for Core99 */ - if (find_devices("uni-n") || find_devices("u3")) - smp_ops = &core99_smp_ops; - else - smp_ops = &psurge_smp_ops; -#endif /* CONFIG_SMP */ - - pci_create_OF_bus_map(); -} - -static void __init ohare_init(void) -{ - /* - * Turn on the L2 cache. - * We assume that we have a PSX memory controller iff - * we have an ohare I/O controller. - */ - if (find_devices("ohare") != NULL) { - if (((sysctrl_regs[2] >> 24) & 0xf) >= 3) { - if (sysctrl_regs[4] & 0x10) - sysctrl_regs[4] |= 0x04000020; - else - sysctrl_regs[4] |= 0x04000000; - if(has_l2cache) - printk(KERN_INFO "Level 2 cache enabled\n"); - } - } -} - -extern char *bootpath; -extern char *bootdevice; -void *boot_host; -int boot_target; -int boot_part; -extern dev_t boot_dev; - -#ifdef CONFIG_SCSI -void __init -note_scsi_host(struct device_node *node, void *host) -{ - int l; - char *p; - - l = strlen(node->full_name); - if (bootpath != NULL && bootdevice != NULL - && strncmp(node->full_name, bootdevice, l) == 0 - && (bootdevice[l] == '/' || bootdevice[l] == 0)) { - boot_host = host; - /* - * There's a bug in OF 1.0.5. (Why am I not surprised.) - * If you pass a path like scsi/sd@1:0 to canon, it returns - * something like /bandit@F2000000/gc@10/53c94@10000/sd@0,0 - * That is, the scsi target number doesn't get preserved. - * So we pick the target number out of bootpath and use that. - */ - p = strstr(bootpath, "/sd@"); - if (p != NULL) { - p += 4; - boot_target = simple_strtoul(p, NULL, 10); - p = strchr(p, ':'); - if (p != NULL) - boot_part = simple_strtoul(p + 1, NULL, 10); - } - } -} -#endif - -#if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC) -static dev_t __init -find_ide_boot(void) -{ - char *p; - int n; - dev_t __init pmac_find_ide_boot(char *bootdevice, int n); - - if (bootdevice == NULL) - return 0; - p = strrchr(bootdevice, '/'); - if (p == NULL) - return 0; - n = p - bootdevice; - - return pmac_find_ide_boot(bootdevice, n); -} -#endif /* CONFIG_BLK_DEV_IDE && CONFIG_BLK_DEV_IDE_PMAC */ - -static void __init -find_boot_device(void) -{ -#if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC) - boot_dev = find_ide_boot(); -#endif -} - -static int initializing = 1; -/* TODO: Merge the suspend-to-ram with the common code !!! - * currently, this is a stub implementation for suspend-to-disk - * only - */ - -#ifdef CONFIG_SOFTWARE_SUSPEND - -static int pmac_pm_prepare(suspend_state_t state) -{ - printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state); - - return 0; -} - -static int pmac_pm_enter(suspend_state_t state) -{ - printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state); - - /* Giveup the lazy FPU & vec so we don't have to back them - * up from the low level code - */ - enable_kernel_fp(); - -#ifdef CONFIG_ALTIVEC - if (cur_cpu_spec->cpu_features & CPU_FTR_ALTIVEC) - enable_kernel_altivec(); -#endif /* CONFIG_ALTIVEC */ - - return 0; -} - -static int pmac_pm_finish(suspend_state_t state) -{ - printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state); - - /* Restore userland MMU context */ - set_context(current->active_mm->context, current->active_mm->pgd); - - return 0; -} - -static struct pm_ops pmac_pm_ops = { - .pm_disk_mode = PM_DISK_SHUTDOWN, - .prepare = pmac_pm_prepare, - .enter = pmac_pm_enter, - .finish = pmac_pm_finish, -}; - -#endif /* CONFIG_SOFTWARE_SUSPEND */ - -static int pmac_late_init(void) -{ - initializing = 0; -#ifdef CONFIG_SOFTWARE_SUSPEND - pm_set_ops(&pmac_pm_ops); -#endif /* CONFIG_SOFTWARE_SUSPEND */ - return 0; -} - -late_initcall(pmac_late_init); - -/* can't be __init - can be called whenever a disk is first accessed */ -void -note_bootable_part(dev_t dev, int part, int goodness) -{ - static int found_boot = 0; - char *p; - - if (!initializing) - return; - if ((goodness <= current_root_goodness) && - ROOT_DEV != DEFAULT_ROOT_DEVICE) - return; - p = strstr(saved_command_line, "root="); - if (p != NULL && (p == saved_command_line || p[-1] == ' ')) - return; - - if (!found_boot) { - find_boot_device(); - found_boot = 1; - } - if (!boot_dev || dev == boot_dev) { - ROOT_DEV = dev + part; - boot_dev = 0; - current_root_goodness = goodness; - } -} - -static void -pmac_restart(char *cmd) -{ -#ifdef CONFIG_ADB_CUDA - struct adb_request req; -#endif /* CONFIG_ADB_CUDA */ - - switch (sys_ctrler) { -#ifdef CONFIG_ADB_CUDA - case SYS_CTRLER_CUDA: - cuda_request(&req, NULL, 2, CUDA_PACKET, - CUDA_RESET_SYSTEM); - for (;;) - cuda_poll(); - break; -#endif /* CONFIG_ADB_CUDA */ -#ifdef CONFIG_ADB_PMU - case SYS_CTRLER_PMU: - pmu_restart(); - break; -#endif /* CONFIG_ADB_PMU */ - default: ; - } -} - -static void -pmac_power_off(void) -{ -#ifdef CONFIG_ADB_CUDA - struct adb_request req; -#endif /* CONFIG_ADB_CUDA */ - - switch (sys_ctrler) { -#ifdef CONFIG_ADB_CUDA - case SYS_CTRLER_CUDA: - cuda_request(&req, NULL, 2, CUDA_PACKET, - CUDA_POWERDOWN); - for (;;) - cuda_poll(); - break; -#endif /* CONFIG_ADB_CUDA */ -#ifdef CONFIG_ADB_PMU - case SYS_CTRLER_PMU: - pmu_shutdown(); - break; -#endif /* CONFIG_ADB_PMU */ - default: ; - } -} - -static void -pmac_halt(void) -{ - pmac_power_off(); -} - -/* - * Read in a property describing some pieces of memory. - */ - -static int __init -get_mem_prop(char *name, struct mem_pieces *mp) -{ - struct reg_property *rp; - int i, s; - unsigned int *ip; - int nac = prom_n_addr_cells(memory_node); - int nsc = prom_n_size_cells(memory_node); - - ip = (unsigned int *) get_property(memory_node, name, &s); - if (ip == NULL) { - printk(KERN_ERR "error: couldn't get %s property on /memory\n", - name); - return 0; - } - s /= (nsc + nac) * 4; - rp = mp->regions; - for (i = 0; i < s; ++i, ip += nac+nsc) { - if (nac >= 2 && ip[nac-2] != 0) - continue; - rp->address = ip[nac-1]; - if (nsc >= 2 && ip[nac+nsc-2] != 0) - rp->size = ~0U; - else - rp->size = ip[nac+nsc-1]; - ++rp; - } - mp->n_regions = rp - mp->regions; - - /* Make sure the pieces are sorted. */ - mem_pieces_sort(mp); - mem_pieces_coalesce(mp); - return 1; -} - -/* - * On systems with Open Firmware, collect information about - * physical RAM and which pieces are already in use. - * At this point, we have (at least) the first 8MB mapped with a BAT. - * Our text, data, bss use something over 1MB, starting at 0. - * Open Firmware may be using 1MB at the 4MB point. - */ -unsigned long __init -pmac_find_end_of_memory(void) -{ - unsigned long a, total; - struct mem_pieces phys_mem; - - /* - * Find out where physical memory is, and check that it - * starts at 0 and is contiguous. It seems that RAM is - * always physically contiguous on Power Macintoshes. - * - * Supporting discontiguous physical memory isn't hard, - * it just makes the virtual <-> physical mapping functions - * more complicated (or else you end up wasting space - * in mem_map). - */ - memory_node = find_devices("memory"); - if (memory_node == NULL || !get_mem_prop("reg", &phys_mem) - || phys_mem.n_regions == 0) - panic("No RAM??"); - a = phys_mem.regions[0].address; - if (a != 0) - panic("RAM doesn't start at physical address 0"); - total = phys_mem.regions[0].size; - - if (phys_mem.n_regions > 1) { - printk("RAM starting at 0x%x is not contiguous\n", - phys_mem.regions[1].address); - printk("Using RAM from 0 to 0x%lx\n", total-1); - } - - return total; -} - -void __init -pmac_init(unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7) -{ - /* isa_io_base gets set in pmac_find_bridges */ - isa_mem_base = PMAC_ISA_MEM_BASE; - pci_dram_offset = PMAC_PCI_DRAM_OFFSET; - ISA_DMA_THRESHOLD = ~0L; - DMA_MODE_READ = 1; - DMA_MODE_WRITE = 2; - - ppc_md.setup_arch = pmac_setup_arch; - ppc_md.show_cpuinfo = pmac_show_cpuinfo; - ppc_md.show_percpuinfo = pmac_show_percpuinfo; - ppc_md.init_IRQ = pmac_pic_init; - ppc_md.get_irq = pmac_get_irq; /* Changed later on ... */ - - ppc_md.pcibios_fixup = pmac_pcibios_fixup; - ppc_md.pcibios_enable_device_hook = pmac_pci_enable_device_hook; - ppc_md.pcibios_after_init = pmac_pcibios_after_init; - ppc_md.phys_mem_access_prot = pci_phys_mem_access_prot; - - ppc_md.restart = pmac_restart; - ppc_md.power_off = pmac_power_off; - ppc_md.halt = pmac_halt; - - ppc_md.time_init = pmac_time_init; - ppc_md.set_rtc_time = pmac_set_rtc_time; - ppc_md.get_rtc_time = pmac_get_rtc_time; - ppc_md.calibrate_decr = pmac_calibrate_decr; - - ppc_md.find_end_of_memory = pmac_find_end_of_memory; - - ppc_md.feature_call = pmac_do_feature_call; - -#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) -#ifdef CONFIG_BLK_DEV_IDE_PMAC - ppc_ide_md.ide_init_hwif = pmac_ide_init_hwif_ports; - ppc_ide_md.default_io_base = pmac_ide_get_base; -#endif /* CONFIG_BLK_DEV_IDE_PMAC */ -#endif /* defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) */ - -#ifdef CONFIG_BOOTX_TEXT - ppc_md.progress = pmac_progress; -#endif /* CONFIG_BOOTX_TEXT */ - - if (ppc_md.progress) ppc_md.progress("pmac_init(): exit", 0); - -} - -#ifdef CONFIG_BOOTX_TEXT -static void __init -pmac_progress(char *s, unsigned short hex) -{ - if (boot_text_mapped) { - btext_drawstring(s); - btext_drawchar('\n'); - } -} -#endif /* CONFIG_BOOTX_TEXT */ - -static int __init -pmac_declare_of_platform_devices(void) -{ - struct device_node *np; - - np = find_devices("uni-n"); - if (np) { - for (np = np->child; np != NULL; np = np->sibling) - if (strncmp(np->name, "i2c", 3) == 0) { - of_platform_device_create(np, "uni-n-i2c", - NULL); - break; - } - } - np = find_devices("u3"); - if (np) { - for (np = np->child; np != NULL; np = np->sibling) - if (strncmp(np->name, "i2c", 3) == 0) { - of_platform_device_create(np, "u3-i2c", - NULL); - break; - } - } - - np = find_devices("valkyrie"); - if (np) - of_platform_device_create(np, "valkyrie", NULL); - np = find_devices("platinum"); - if (np) - of_platform_device_create(np, "platinum", NULL); - - return 0; -} - -device_initcall(pmac_declare_of_platform_devices); diff --git a/arch/ppc/platforms/pmac_sleep.S b/arch/ppc/platforms/pmac_sleep.S deleted file mode 100644 index 22b113d19b24..000000000000 --- a/arch/ppc/platforms/pmac_sleep.S +++ /dev/null @@ -1,396 +0,0 @@ -/* - * This file contains sleep low-level functions for PowerBook G3. - * Copyright (C) 1999 Benjamin Herrenschmidt (benh@kernel.crashing.org) - * and Paul Mackerras (paulus@samba.org). - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - */ - -#include <linux/config.h> -#include <asm/processor.h> -#include <asm/page.h> -#include <asm/ppc_asm.h> -#include <asm/cputable.h> -#include <asm/cache.h> -#include <asm/thread_info.h> -#include <asm/asm-offsets.h> - -#define MAGIC 0x4c617273 /* 'Lars' */ - -/* - * Structure for storing CPU registers on the stack. - */ -#define SL_SP 0 -#define SL_PC 4 -#define SL_MSR 8 -#define SL_SDR1 0xc -#define SL_SPRG0 0x10 /* 4 sprg's */ -#define SL_DBAT0 0x20 -#define SL_IBAT0 0x28 -#define SL_DBAT1 0x30 -#define SL_IBAT1 0x38 -#define SL_DBAT2 0x40 -#define SL_IBAT2 0x48 -#define SL_DBAT3 0x50 -#define SL_IBAT3 0x58 -#define SL_TB 0x60 -#define SL_R2 0x68 -#define SL_CR 0x6c -#define SL_R12 0x70 /* r12 to r31 */ -#define SL_SIZE (SL_R12 + 80) - - .section .text - .align 5 - -#if defined(CONFIG_PM) || defined(CONFIG_CPU_FREQ_PMAC) - -/* This gets called by via-pmu.c late during the sleep process. - * The PMU was already send the sleep command and will shut us down - * soon. We need to save all that is needed and setup the wakeup - * vector that will be called by the ROM on wakeup - */ -_GLOBAL(low_sleep_handler) -#ifndef CONFIG_6xx - blr -#else - mflr r0 - stw r0,4(r1) - stwu r1,-SL_SIZE(r1) - mfcr r0 - stw r0,SL_CR(r1) - stw r2,SL_R2(r1) - stmw r12,SL_R12(r1) - - /* Save MSR & SDR1 */ - mfmsr r4 - stw r4,SL_MSR(r1) - mfsdr1 r4 - stw r4,SL_SDR1(r1) - - /* Get a stable timebase and save it */ -1: mftbu r4 - stw r4,SL_TB(r1) - mftb r5 - stw r5,SL_TB+4(r1) - mftbu r3 - cmpw r3,r4 - bne 1b - - /* Save SPRGs */ - mfsprg r4,0 - stw r4,SL_SPRG0(r1) - mfsprg r4,1 - stw r4,SL_SPRG0+4(r1) - mfsprg r4,2 - stw r4,SL_SPRG0+8(r1) - mfsprg r4,3 - stw r4,SL_SPRG0+12(r1) - - /* Save BATs */ - mfdbatu r4,0 - stw r4,SL_DBAT0(r1) - mfdbatl r4,0 - stw r4,SL_DBAT0+4(r1) - mfdbatu r4,1 - stw r4,SL_DBAT1(r1) - mfdbatl r4,1 - stw r4,SL_DBAT1+4(r1) - mfdbatu r4,2 - stw r4,SL_DBAT2(r1) - mfdbatl r4,2 - stw r4,SL_DBAT2+4(r1) - mfdbatu r4,3 - stw r4,SL_DBAT3(r1) - mfdbatl r4,3 - stw r4,SL_DBAT3+4(r1) - mfibatu r4,0 - stw r4,SL_IBAT0(r1) - mfibatl r4,0 - stw r4,SL_IBAT0+4(r1) - mfibatu r4,1 - stw r4,SL_IBAT1(r1) - mfibatl r4,1 - stw r4,SL_IBAT1+4(r1) - mfibatu r4,2 - stw r4,SL_IBAT2(r1) - mfibatl r4,2 - stw r4,SL_IBAT2+4(r1) - mfibatu r4,3 - stw r4,SL_IBAT3(r1) - mfibatl r4,3 - stw r4,SL_IBAT3+4(r1) - - /* Backup various CPU config stuffs */ - bl __save_cpu_setup - - /* The ROM can wake us up via 2 different vectors: - * - On wallstreet & lombard, we must write a magic - * value 'Lars' at address 4 and a pointer to a - * memory location containing the PC to resume from - * at address 0. - * - On Core99, we must store the wakeup vector at - * address 0x80 and eventually it's parameters - * at address 0x84. I've have some trouble with those - * parameters however and I no longer use them. - */ - lis r5,grackle_wake_up@ha - addi r5,r5,grackle_wake_up@l - tophys(r5,r5) - stw r5,SL_PC(r1) - lis r4,KERNELBASE@h - tophys(r5,r1) - addi r5,r5,SL_PC - lis r6,MAGIC@ha - addi r6,r6,MAGIC@l - stw r5,0(r4) - stw r6,4(r4) - /* Setup stuffs at 0x80-0x84 for Core99 */ - lis r3,core99_wake_up@ha - addi r3,r3,core99_wake_up@l - tophys(r3,r3) - stw r3,0x80(r4) - stw r5,0x84(r4) - /* Store a pointer to our backup storage into - * a kernel global - */ - lis r3,sleep_storage@ha - addi r3,r3,sleep_storage@l - stw r5,0(r3) - - .globl low_cpu_die -low_cpu_die: - /* Flush & disable all caches */ - bl flush_disable_caches - - /* Turn off data relocation. */ - mfmsr r3 /* Save MSR in r7 */ - rlwinm r3,r3,0,28,26 /* Turn off DR bit */ - sync - mtmsr r3 - isync - -BEGIN_FTR_SECTION - /* Flush any pending L2 data prefetches to work around HW bug */ - sync - lis r3,0xfff0 - lwz r0,0(r3) /* perform cache-inhibited load to ROM */ - sync /* (caches are disabled at this point) */ -END_FTR_SECTION_IFSET(CPU_FTR_SPEC7450) - -/* - * Set the HID0 and MSR for sleep. - */ - mfspr r2,SPRN_HID0 - rlwinm r2,r2,0,10,7 /* clear doze, nap */ - oris r2,r2,HID0_SLEEP@h - sync - isync - mtspr SPRN_HID0,r2 - sync - -/* This loop puts us back to sleep in case we have a spurrious - * wakeup so that the host bridge properly stays asleep. The - * CPU will be turned off, either after a known time (about 1 - * second) on wallstreet & lombard, or as soon as the CPU enters - * SLEEP mode on core99 - */ - mfmsr r2 - oris r2,r2,MSR_POW@h -1: sync - mtmsr r2 - isync - b 1b - -/* - * Here is the resume code. - */ - - -/* - * Core99 machines resume here - * r4 has the physical address of SL_PC(sp) (unused) - */ -_GLOBAL(core99_wake_up) - /* Make sure HID0 no longer contains any sleep bit and that data cache - * is disabled - */ - mfspr r3,SPRN_HID0 - rlwinm r3,r3,0,11,7 /* clear SLEEP, NAP, DOZE bits */ - rlwinm 3,r3,0,18,15 /* clear DCE, ICE */ - mtspr SPRN_HID0,r3 - sync - isync - - /* sanitize MSR */ - mfmsr r3 - ori r3,r3,MSR_EE|MSR_IP - xori r3,r3,MSR_EE|MSR_IP - sync - isync - mtmsr r3 - sync - isync - - /* Recover sleep storage */ - lis r3,sleep_storage@ha - addi r3,r3,sleep_storage@l - tophys(r3,r3) - lwz r1,0(r3) - - /* Pass thru to older resume code ... */ -/* - * Here is the resume code for older machines. - * r1 has the physical address of SL_PC(sp). - */ - -grackle_wake_up: - - /* Restore the kernel's segment registers before - * we do any r1 memory access as we are not sure they - * are in a sane state above the first 256Mb region - */ - li r0,16 /* load up segment register values */ - mtctr r0 /* for context 0 */ - lis r3,0x2000 /* Ku = 1, VSID = 0 */ - li r4,0 -3: mtsrin r3,r4 - addi r3,r3,0x111 /* increment VSID */ - addis r4,r4,0x1000 /* address of next segment */ - bdnz 3b - sync - isync - - subi r1,r1,SL_PC - - /* Restore various CPU config stuffs */ - bl __restore_cpu_setup - - /* Make sure all FPRs have been initialized */ - bl reloc_offset - bl __init_fpu_registers - - /* Invalidate & enable L1 cache, we don't care about - * whatever the ROM may have tried to write to memory - */ - bl __inval_enable_L1 - - /* Restore the BATs, and SDR1. Then we can turn on the MMU. */ - lwz r4,SL_SDR1(r1) - mtsdr1 r4 - lwz r4,SL_SPRG0(r1) - mtsprg 0,r4 - lwz r4,SL_SPRG0+4(r1) - mtsprg 1,r4 - lwz r4,SL_SPRG0+8(r1) - mtsprg 2,r4 - lwz r4,SL_SPRG0+12(r1) - mtsprg 3,r4 - - lwz r4,SL_DBAT0(r1) - mtdbatu 0,r4 - lwz r4,SL_DBAT0+4(r1) - mtdbatl 0,r4 - lwz r4,SL_DBAT1(r1) - mtdbatu 1,r4 - lwz r4,SL_DBAT1+4(r1) - mtdbatl 1,r4 - lwz r4,SL_DBAT2(r1) - mtdbatu 2,r4 - lwz r4,SL_DBAT2+4(r1) - mtdbatl 2,r4 - lwz r4,SL_DBAT3(r1) - mtdbatu 3,r4 - lwz r4,SL_DBAT3+4(r1) - mtdbatl 3,r4 - lwz r4,SL_IBAT0(r1) - mtibatu 0,r4 - lwz r4,SL_IBAT0+4(r1) - mtibatl 0,r4 - lwz r4,SL_IBAT1(r1) - mtibatu 1,r4 - lwz r4,SL_IBAT1+4(r1) - mtibatl 1,r4 - lwz r4,SL_IBAT2(r1) - mtibatu 2,r4 - lwz r4,SL_IBAT2+4(r1) - mtibatl 2,r4 - lwz r4,SL_IBAT3(r1) - mtibatu 3,r4 - lwz r4,SL_IBAT3+4(r1) - mtibatl 3,r4 - -BEGIN_FTR_SECTION - li r4,0 - mtspr SPRN_DBAT4U,r4 - mtspr SPRN_DBAT4L,r4 - mtspr SPRN_DBAT5U,r4 - mtspr SPRN_DBAT5L,r4 - mtspr SPRN_DBAT6U,r4 - mtspr SPRN_DBAT6L,r4 - mtspr SPRN_DBAT7U,r4 - mtspr SPRN_DBAT7L,r4 - mtspr SPRN_IBAT4U,r4 - mtspr SPRN_IBAT4L,r4 - mtspr SPRN_IBAT5U,r4 - mtspr SPRN_IBAT5L,r4 - mtspr SPRN_IBAT6U,r4 - mtspr SPRN_IBAT6L,r4 - mtspr SPRN_IBAT7U,r4 - mtspr SPRN_IBAT7L,r4 -END_FTR_SECTION_IFSET(CPU_FTR_HAS_HIGH_BATS) - - /* Flush all TLBs */ - lis r4,0x1000 -1: addic. r4,r4,-0x1000 - tlbie r4 - blt 1b - sync - - /* restore the MSR and turn on the MMU */ - lwz r3,SL_MSR(r1) - bl turn_on_mmu - - /* get back the stack pointer */ - tovirt(r1,r1) - - /* Restore TB */ - li r3,0 - mttbl r3 - lwz r3,SL_TB(r1) - lwz r4,SL_TB+4(r1) - mttbu r3 - mttbl r4 - - /* Restore the callee-saved registers and return */ - lwz r0,SL_CR(r1) - mtcr r0 - lwz r2,SL_R2(r1) - lmw r12,SL_R12(r1) - addi r1,r1,SL_SIZE - lwz r0,4(r1) - mtlr r0 - blr - -turn_on_mmu: - mflr r4 - tovirt(r4,r4) - mtsrr0 r4 - mtsrr1 r3 - sync - isync - rfi - -#endif /* defined(CONFIG_PM) || defined(CONFIG_CPU_FREQ) */ - - .section .data - .balign L1_CACHE_BYTES -sleep_storage: - .long 0 - .balign L1_CACHE_BYTES, 0 - -#endif /* CONFIG_6xx */ - .section .text diff --git a/arch/ppc/platforms/pmac_smp.c b/arch/ppc/platforms/pmac_smp.c deleted file mode 100644 index 26ff26238f03..000000000000 --- a/arch/ppc/platforms/pmac_smp.c +++ /dev/null @@ -1,692 +0,0 @@ -/* - * SMP support for power macintosh. - * - * We support both the old "powersurge" SMP architecture - * and the current Core99 (G4 PowerMac) machines. - * - * Note that we don't support the very first rev. of - * Apple/DayStar 2 CPUs board, the one with the funky - * watchdog. Hopefully, none of these should be there except - * maybe internally to Apple. I should probably still add some - * code to detect this card though and disable SMP. --BenH. - * - * Support Macintosh G4 SMP by Troy Benjegerdes (hozer@drgw.net) - * and Ben Herrenschmidt <benh@kernel.crashing.org>. - * - * Support for DayStar quad CPU cards - * Copyright (C) XLR8, Inc. 1994-2000 - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ -#include <linux/config.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/smp.h> -#include <linux/smp_lock.h> -#include <linux/interrupt.h> -#include <linux/kernel_stat.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/spinlock.h> -#include <linux/errno.h> -#include <linux/hardirq.h> -#include <linux/cpu.h> - -#include <asm/ptrace.h> -#include <asm/atomic.h> -#include <asm/irq.h> -#include <asm/page.h> -#include <asm/pgtable.h> -#include <asm/sections.h> -#include <asm/io.h> -#include <asm/prom.h> -#include <asm/smp.h> -#include <asm/residual.h> -#include <asm/machdep.h> -#include <asm/pmac_feature.h> -#include <asm/time.h> -#include <asm/open_pic.h> -#include <asm/cacheflush.h> -#include <asm/keylargo.h> - -/* - * Powersurge (old powermac SMP) support. - */ - -extern void __secondary_start_pmac_0(void); - -/* Addresses for powersurge registers */ -#define HAMMERHEAD_BASE 0xf8000000 -#define HHEAD_CONFIG 0x90 -#define HHEAD_SEC_INTR 0xc0 - -/* register for interrupting the primary processor on the powersurge */ -/* N.B. this is actually the ethernet ROM! */ -#define PSURGE_PRI_INTR 0xf3019000 - -/* register for storing the start address for the secondary processor */ -/* N.B. this is the PCI config space address register for the 1st bridge */ -#define PSURGE_START 0xf2800000 - -/* Daystar/XLR8 4-CPU card */ -#define PSURGE_QUAD_REG_ADDR 0xf8800000 - -#define PSURGE_QUAD_IRQ_SET 0 -#define PSURGE_QUAD_IRQ_CLR 1 -#define PSURGE_QUAD_IRQ_PRIMARY 2 -#define PSURGE_QUAD_CKSTOP_CTL 3 -#define PSURGE_QUAD_PRIMARY_ARB 4 -#define PSURGE_QUAD_BOARD_ID 6 -#define PSURGE_QUAD_WHICH_CPU 7 -#define PSURGE_QUAD_CKSTOP_RDBK 8 -#define PSURGE_QUAD_RESET_CTL 11 - -#define PSURGE_QUAD_OUT(r, v) (out_8(quad_base + ((r) << 4) + 4, (v))) -#define PSURGE_QUAD_IN(r) (in_8(quad_base + ((r) << 4) + 4) & 0x0f) -#define PSURGE_QUAD_BIS(r, v) (PSURGE_QUAD_OUT((r), PSURGE_QUAD_IN(r) | (v))) -#define PSURGE_QUAD_BIC(r, v) (PSURGE_QUAD_OUT((r), PSURGE_QUAD_IN(r) & ~(v))) - -/* virtual addresses for the above */ -static volatile u8 __iomem *hhead_base; -static volatile u8 __iomem *quad_base; -static volatile u32 __iomem *psurge_pri_intr; -static volatile u8 __iomem *psurge_sec_intr; -static volatile u32 __iomem *psurge_start; - -/* values for psurge_type */ -#define PSURGE_NONE -1 -#define PSURGE_DUAL 0 -#define PSURGE_QUAD_OKEE 1 -#define PSURGE_QUAD_COTTON 2 -#define PSURGE_QUAD_ICEGRASS 3 - -/* what sort of powersurge board we have */ -static int psurge_type = PSURGE_NONE; - -/* L2 and L3 cache settings to pass from CPU0 to CPU1 */ -volatile static long int core99_l2_cache; -volatile static long int core99_l3_cache; - -/* Timebase freeze GPIO */ -static unsigned int core99_tb_gpio; - -/* Sync flag for HW tb sync */ -static volatile int sec_tb_reset = 0; -static unsigned int pri_tb_hi, pri_tb_lo; -static unsigned int pri_tb_stamp; - -static void __devinit core99_init_caches(int cpu) -{ - if (!cpu_has_feature(CPU_FTR_L2CR)) - return; - - if (cpu == 0) { - core99_l2_cache = _get_L2CR(); - printk("CPU0: L2CR is %lx\n", core99_l2_cache); - } else { - printk("CPU%d: L2CR was %lx\n", cpu, _get_L2CR()); - _set_L2CR(0); - _set_L2CR(core99_l2_cache); - printk("CPU%d: L2CR set to %lx\n", cpu, core99_l2_cache); - } - - if (!cpu_has_feature(CPU_FTR_L3CR)) - return; - - if (cpu == 0){ - core99_l3_cache = _get_L3CR(); - printk("CPU0: L3CR is %lx\n", core99_l3_cache); - } else { - printk("CPU%d: L3CR was %lx\n", cpu, _get_L3CR()); - _set_L3CR(0); - _set_L3CR(core99_l3_cache); - printk("CPU%d: L3CR set to %lx\n", cpu, core99_l3_cache); - } -} - -/* - * Set and clear IPIs for powersurge. - */ -static inline void psurge_set_ipi(int cpu) -{ - if (psurge_type == PSURGE_NONE) - return; - if (cpu == 0) - in_be32(psurge_pri_intr); - else if (psurge_type == PSURGE_DUAL) - out_8(psurge_sec_intr, 0); - else - PSURGE_QUAD_OUT(PSURGE_QUAD_IRQ_SET, 1 << cpu); -} - -static inline void psurge_clr_ipi(int cpu) -{ - if (cpu > 0) { - switch(psurge_type) { - case PSURGE_DUAL: - out_8(psurge_sec_intr, ~0); - case PSURGE_NONE: - break; - default: - PSURGE_QUAD_OUT(PSURGE_QUAD_IRQ_CLR, 1 << cpu); - } - } -} - -/* - * On powersurge (old SMP powermac architecture) we don't have - * separate IPIs for separate messages like openpic does. Instead - * we have a bitmap for each processor, where a 1 bit means that - * the corresponding message is pending for that processor. - * Ideally each cpu's entry would be in a different cache line. - * -- paulus. - */ -static unsigned long psurge_smp_message[NR_CPUS]; - -void psurge_smp_message_recv(struct pt_regs *regs) -{ - int cpu = smp_processor_id(); - int msg; - - /* clear interrupt */ - psurge_clr_ipi(cpu); - - if (num_online_cpus() < 2) - return; - - /* make sure there is a message there */ - for (msg = 0; msg < 4; msg++) - if (test_and_clear_bit(msg, &psurge_smp_message[cpu])) - smp_message_recv(msg, regs); -} - -irqreturn_t psurge_primary_intr(int irq, void *d, struct pt_regs *regs) -{ - psurge_smp_message_recv(regs); - return IRQ_HANDLED; -} - -static void smp_psurge_message_pass(int target, int msg) -{ - int i; - - if (num_online_cpus() < 2) - return; - - for (i = 0; i < NR_CPUS; i++) { - if (!cpu_online(i)) - continue; - if (target == MSG_ALL - || (target == MSG_ALL_BUT_SELF && i != smp_processor_id()) - || target == i) { - set_bit(msg, &psurge_smp_message[i]); - psurge_set_ipi(i); - } - } -} - -/* - * Determine a quad card presence. We read the board ID register, we - * force the data bus to change to something else, and we read it again. - * It it's stable, then the register probably exist (ugh !) - */ -static int __init psurge_quad_probe(void) -{ - int type; - unsigned int i; - - type = PSURGE_QUAD_IN(PSURGE_QUAD_BOARD_ID); - if (type < PSURGE_QUAD_OKEE || type > PSURGE_QUAD_ICEGRASS - || type != PSURGE_QUAD_IN(PSURGE_QUAD_BOARD_ID)) - return PSURGE_DUAL; - - /* looks OK, try a slightly more rigorous test */ - /* bogus is not necessarily cacheline-aligned, - though I don't suppose that really matters. -- paulus */ - for (i = 0; i < 100; i++) { - volatile u32 bogus[8]; - bogus[(0+i)%8] = 0x00000000; - bogus[(1+i)%8] = 0x55555555; - bogus[(2+i)%8] = 0xFFFFFFFF; - bogus[(3+i)%8] = 0xAAAAAAAA; - bogus[(4+i)%8] = 0x33333333; - bogus[(5+i)%8] = 0xCCCCCCCC; - bogus[(6+i)%8] = 0xCCCCCCCC; - bogus[(7+i)%8] = 0x33333333; - wmb(); - asm volatile("dcbf 0,%0" : : "r" (bogus) : "memory"); - mb(); - if (type != PSURGE_QUAD_IN(PSURGE_QUAD_BOARD_ID)) - return PSURGE_DUAL; - } - return type; -} - -static void __init psurge_quad_init(void) -{ - int procbits; - - if (ppc_md.progress) ppc_md.progress("psurge_quad_init", 0x351); - procbits = ~PSURGE_QUAD_IN(PSURGE_QUAD_WHICH_CPU); - if (psurge_type == PSURGE_QUAD_ICEGRASS) - PSURGE_QUAD_BIS(PSURGE_QUAD_RESET_CTL, procbits); - else - PSURGE_QUAD_BIC(PSURGE_QUAD_CKSTOP_CTL, procbits); - mdelay(33); - out_8(psurge_sec_intr, ~0); - PSURGE_QUAD_OUT(PSURGE_QUAD_IRQ_CLR, procbits); - PSURGE_QUAD_BIS(PSURGE_QUAD_RESET_CTL, procbits); - if (psurge_type != PSURGE_QUAD_ICEGRASS) - PSURGE_QUAD_BIS(PSURGE_QUAD_CKSTOP_CTL, procbits); - PSURGE_QUAD_BIC(PSURGE_QUAD_PRIMARY_ARB, procbits); - mdelay(33); - PSURGE_QUAD_BIC(PSURGE_QUAD_RESET_CTL, procbits); - mdelay(33); - PSURGE_QUAD_BIS(PSURGE_QUAD_PRIMARY_ARB, procbits); - mdelay(33); -} - -static int __init smp_psurge_probe(void) -{ - int i, ncpus; - - /* We don't do SMP on the PPC601 -- paulus */ - if (PVR_VER(mfspr(SPRN_PVR)) == 1) - return 1; - - /* - * The powersurge cpu board can be used in the generation - * of powermacs that have a socket for an upgradeable cpu card, - * including the 7500, 8500, 9500, 9600. - * The device tree doesn't tell you if you have 2 cpus because - * OF doesn't know anything about the 2nd processor. - * Instead we look for magic bits in magic registers, - * in the hammerhead memory controller in the case of the - * dual-cpu powersurge board. -- paulus. - */ - if (find_devices("hammerhead") == NULL) - return 1; - - hhead_base = ioremap(HAMMERHEAD_BASE, 0x800); - quad_base = ioremap(PSURGE_QUAD_REG_ADDR, 1024); - psurge_sec_intr = hhead_base + HHEAD_SEC_INTR; - - psurge_type = psurge_quad_probe(); - if (psurge_type != PSURGE_DUAL) { - psurge_quad_init(); - /* All released cards using this HW design have 4 CPUs */ - ncpus = 4; - } else { - iounmap(quad_base); - if ((in_8(hhead_base + HHEAD_CONFIG) & 0x02) == 0) { - /* not a dual-cpu card */ - iounmap(hhead_base); - psurge_type = PSURGE_NONE; - return 1; - } - ncpus = 2; - } - - psurge_start = ioremap(PSURGE_START, 4); - psurge_pri_intr = ioremap(PSURGE_PRI_INTR, 4); - - /* this is not actually strictly necessary -- paulus. */ - for (i = 1; i < ncpus; ++i) - smp_hw_index[i] = i; - - if (ppc_md.progress) ppc_md.progress("smp_psurge_probe - done", 0x352); - - return ncpus; -} - -static void __init smp_psurge_kick_cpu(int nr) -{ - unsigned long start = __pa(__secondary_start_pmac_0) + nr * 8; - unsigned long a; - - /* may need to flush here if secondary bats aren't setup */ - for (a = KERNELBASE; a < KERNELBASE + 0x800000; a += 32) - asm volatile("dcbf 0,%0" : : "r" (a) : "memory"); - asm volatile("sync"); - - if (ppc_md.progress) ppc_md.progress("smp_psurge_kick_cpu", 0x353); - - out_be32(psurge_start, start); - mb(); - - psurge_set_ipi(nr); - udelay(10); - psurge_clr_ipi(nr); - - if (ppc_md.progress) ppc_md.progress("smp_psurge_kick_cpu - done", 0x354); -} - -/* - * With the dual-cpu powersurge board, the decrementers and timebases - * of both cpus are frozen after the secondary cpu is started up, - * until we give the secondary cpu another interrupt. This routine - * uses this to get the timebases synchronized. - * -- paulus. - */ -static void __init psurge_dual_sync_tb(int cpu_nr) -{ - int t; - - set_dec(tb_ticks_per_jiffy); - set_tb(0, 0); - last_jiffy_stamp(cpu_nr) = 0; - - if (cpu_nr > 0) { - mb(); - sec_tb_reset = 1; - return; - } - - /* wait for the secondary to have reset its TB before proceeding */ - for (t = 10000000; t > 0 && !sec_tb_reset; --t) - ; - - /* now interrupt the secondary, starting both TBs */ - psurge_set_ipi(1); - - smp_tb_synchronized = 1; -} - -static struct irqaction psurge_irqaction = { - .handler = psurge_primary_intr, - .flags = SA_INTERRUPT, - .mask = CPU_MASK_NONE, - .name = "primary IPI", -}; - -static void __init smp_psurge_setup_cpu(int cpu_nr) -{ - - if (cpu_nr == 0) { - /* If we failed to start the second CPU, we should still - * send it an IPI to start the timebase & DEC or we might - * have them stuck. - */ - if (num_online_cpus() < 2) { - if (psurge_type == PSURGE_DUAL) - psurge_set_ipi(1); - return; - } - /* reset the entry point so if we get another intr we won't - * try to startup again */ - out_be32(psurge_start, 0x100); - if (setup_irq(30, &psurge_irqaction)) - printk(KERN_ERR "Couldn't get primary IPI interrupt"); - } - - if (psurge_type == PSURGE_DUAL) - psurge_dual_sync_tb(cpu_nr); -} - -void __init smp_psurge_take_timebase(void) -{ - /* Dummy implementation */ -} - -void __init smp_psurge_give_timebase(void) -{ - /* Dummy implementation */ -} - -static int __init smp_core99_probe(void) -{ -#ifdef CONFIG_6xx - extern int powersave_nap; -#endif - struct device_node *cpus, *firstcpu; - int i, ncpus = 0, boot_cpu = -1; - u32 *tbprop = NULL; - - if (ppc_md.progress) ppc_md.progress("smp_core99_probe", 0x345); - cpus = firstcpu = find_type_devices("cpu"); - while(cpus != NULL) { - u32 *regprop = (u32 *)get_property(cpus, "reg", NULL); - char *stateprop = (char *)get_property(cpus, "state", NULL); - if (regprop != NULL && stateprop != NULL && - !strncmp(stateprop, "running", 7)) - boot_cpu = *regprop; - ++ncpus; - cpus = cpus->next; - } - if (boot_cpu == -1) - printk(KERN_WARNING "Couldn't detect boot CPU !\n"); - if (boot_cpu != 0) - printk(KERN_WARNING "Boot CPU is %d, unsupported setup !\n", boot_cpu); - - if (machine_is_compatible("MacRISC4")) { - extern struct smp_ops_t core99_smp_ops; - - core99_smp_ops.take_timebase = smp_generic_take_timebase; - core99_smp_ops.give_timebase = smp_generic_give_timebase; - } else { - if (firstcpu != NULL) - tbprop = (u32 *)get_property(firstcpu, "timebase-enable", NULL); - if (tbprop) - core99_tb_gpio = *tbprop; - else - core99_tb_gpio = KL_GPIO_TB_ENABLE; - } - - if (ncpus > 1) { - openpic_request_IPIs(); - for (i = 1; i < ncpus; ++i) - smp_hw_index[i] = i; -#ifdef CONFIG_6xx - powersave_nap = 0; -#endif - core99_init_caches(0); - } - - return ncpus; -} - -static void __devinit smp_core99_kick_cpu(int nr) -{ - unsigned long save_vector, new_vector; - unsigned long flags; - - volatile unsigned long *vector - = ((volatile unsigned long *)(KERNELBASE+0x100)); - if (nr < 0 || nr > 3) - return; - if (ppc_md.progress) ppc_md.progress("smp_core99_kick_cpu", 0x346); - - local_irq_save(flags); - local_irq_disable(); - - /* Save reset vector */ - save_vector = *vector; - - /* Setup fake reset vector that does - * b __secondary_start_pmac_0 + nr*8 - KERNELBASE - */ - new_vector = (unsigned long) __secondary_start_pmac_0 + nr * 8; - *vector = 0x48000002 + new_vector - KERNELBASE; - - /* flush data cache and inval instruction cache */ - flush_icache_range((unsigned long) vector, (unsigned long) vector + 4); - - /* Put some life in our friend */ - pmac_call_feature(PMAC_FTR_RESET_CPU, NULL, nr, 0); - - /* FIXME: We wait a bit for the CPU to take the exception, I should - * instead wait for the entry code to set something for me. Well, - * ideally, all that crap will be done in prom.c and the CPU left - * in a RAM-based wait loop like CHRP. - */ - mdelay(1); - - /* Restore our exception vector */ - *vector = save_vector; - flush_icache_range((unsigned long) vector, (unsigned long) vector + 4); - - local_irq_restore(flags); - if (ppc_md.progress) ppc_md.progress("smp_core99_kick_cpu done", 0x347); -} - -static void __devinit smp_core99_setup_cpu(int cpu_nr) -{ - /* Setup L2/L3 */ - if (cpu_nr != 0) - core99_init_caches(cpu_nr); - - /* Setup openpic */ - do_openpic_setup_cpu(); - - if (cpu_nr == 0) { -#ifdef CONFIG_POWER4 - extern void g5_phy_disable_cpu1(void); - - /* If we didn't start the second CPU, we must take - * it off the bus - */ - if (machine_is_compatible("MacRISC4") && - num_online_cpus() < 2) - g5_phy_disable_cpu1(); -#endif /* CONFIG_POWER4 */ - if (ppc_md.progress) ppc_md.progress("core99_setup_cpu 0 done", 0x349); - } -} - -/* not __init, called in sleep/wakeup code */ -void smp_core99_take_timebase(void) -{ - unsigned long flags; - - /* tell the primary we're here */ - sec_tb_reset = 1; - mb(); - - /* wait for the primary to set pri_tb_hi/lo */ - while (sec_tb_reset < 2) - mb(); - - /* set our stuff the same as the primary */ - local_irq_save(flags); - set_dec(1); - set_tb(pri_tb_hi, pri_tb_lo); - last_jiffy_stamp(smp_processor_id()) = pri_tb_stamp; - mb(); - - /* tell the primary we're done */ - sec_tb_reset = 0; - mb(); - local_irq_restore(flags); -} - -/* not __init, called in sleep/wakeup code */ -void smp_core99_give_timebase(void) -{ - unsigned long flags; - unsigned int t; - - /* wait for the secondary to be in take_timebase */ - for (t = 100000; t > 0 && !sec_tb_reset; --t) - udelay(10); - if (!sec_tb_reset) { - printk(KERN_WARNING "Timeout waiting sync on second CPU\n"); - return; - } - - /* freeze the timebase and read it */ - /* disable interrupts so the timebase is disabled for the - shortest possible time */ - local_irq_save(flags); - pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, core99_tb_gpio, 4); - pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, core99_tb_gpio, 0); - mb(); - pri_tb_hi = get_tbu(); - pri_tb_lo = get_tbl(); - pri_tb_stamp = last_jiffy_stamp(smp_processor_id()); - mb(); - - /* tell the secondary we're ready */ - sec_tb_reset = 2; - mb(); - - /* wait for the secondary to have taken it */ - for (t = 100000; t > 0 && sec_tb_reset; --t) - udelay(10); - if (sec_tb_reset) - printk(KERN_WARNING "Timeout waiting sync(2) on second CPU\n"); - else - smp_tb_synchronized = 1; - - /* Now, restart the timebase by leaving the GPIO to an open collector */ - pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, core99_tb_gpio, 0); - pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, core99_tb_gpio, 0); - local_irq_restore(flags); -} - - -/* PowerSurge-style Macs */ -struct smp_ops_t psurge_smp_ops = { - .message_pass = smp_psurge_message_pass, - .probe = smp_psurge_probe, - .kick_cpu = smp_psurge_kick_cpu, - .setup_cpu = smp_psurge_setup_cpu, - .give_timebase = smp_psurge_give_timebase, - .take_timebase = smp_psurge_take_timebase, -}; - -/* Core99 Macs (dual G4s) */ -struct smp_ops_t core99_smp_ops = { - .message_pass = smp_openpic_message_pass, - .probe = smp_core99_probe, - .kick_cpu = smp_core99_kick_cpu, - .setup_cpu = smp_core99_setup_cpu, - .give_timebase = smp_core99_give_timebase, - .take_timebase = smp_core99_take_timebase, -}; - -#ifdef CONFIG_HOTPLUG_CPU - -int __cpu_disable(void) -{ - cpu_clear(smp_processor_id(), cpu_online_map); - - /* XXX reset cpu affinity here */ - openpic_set_priority(0xf); - asm volatile("mtdec %0" : : "r" (0x7fffffff)); - mb(); - udelay(20); - asm volatile("mtdec %0" : : "r" (0x7fffffff)); - return 0; -} - -extern void low_cpu_die(void) __attribute__((noreturn)); /* in pmac_sleep.S */ -static int cpu_dead[NR_CPUS]; - -void cpu_die(void) -{ - local_irq_disable(); - cpu_dead[smp_processor_id()] = 1; - mb(); - low_cpu_die(); -} - -void __cpu_die(unsigned int cpu) -{ - int timeout; - - timeout = 1000; - while (!cpu_dead[cpu]) { - if (--timeout == 0) { - printk("CPU %u refused to die!\n", cpu); - break; - } - msleep(1); - } - cpu_callin_map[cpu] = 0; - cpu_dead[cpu] = 0; -} - -#endif diff --git a/arch/ppc/platforms/pmac_time.c b/arch/ppc/platforms/pmac_time.c deleted file mode 100644 index edb9fcc64790..000000000000 --- a/arch/ppc/platforms/pmac_time.c +++ /dev/null @@ -1,291 +0,0 @@ -/* - * Support for periodic interrupts (100 per second) and for getting - * the current time from the RTC on Power Macintoshes. - * - * We use the decrementer register for our periodic interrupts. - * - * Paul Mackerras August 1996. - * Copyright (C) 1996 Paul Mackerras. - */ -#include <linux/config.h> -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/time.h> -#include <linux/adb.h> -#include <linux/cuda.h> -#include <linux/pmu.h> -#include <linux/hardirq.h> - -#include <asm/sections.h> -#include <asm/prom.h> -#include <asm/system.h> -#include <asm/io.h> -#include <asm/pgtable.h> -#include <asm/machdep.h> -#include <asm/time.h> -#include <asm/nvram.h> - -/* Apparently the RTC stores seconds since 1 Jan 1904 */ -#define RTC_OFFSET 2082844800 - -/* - * Calibrate the decrementer frequency with the VIA timer 1. - */ -#define VIA_TIMER_FREQ_6 4700000 /* time 1 frequency * 6 */ - -/* VIA registers */ -#define RS 0x200 /* skip between registers */ -#define T1CL (4*RS) /* Timer 1 ctr/latch (low 8 bits) */ -#define T1CH (5*RS) /* Timer 1 counter (high 8 bits) */ -#define T1LL (6*RS) /* Timer 1 latch (low 8 bits) */ -#define T1LH (7*RS) /* Timer 1 latch (high 8 bits) */ -#define ACR (11*RS) /* Auxiliary control register */ -#define IFR (13*RS) /* Interrupt flag register */ - -/* Bits in ACR */ -#define T1MODE 0xc0 /* Timer 1 mode */ -#define T1MODE_CONT 0x40 /* continuous interrupts */ - -/* Bits in IFR and IER */ -#define T1_INT 0x40 /* Timer 1 interrupt */ - -extern struct timezone sys_tz; - -long __init -pmac_time_init(void) -{ -#ifdef CONFIG_NVRAM - s32 delta = 0; - int dst; - - delta = ((s32)pmac_xpram_read(PMAC_XPRAM_MACHINE_LOC + 0x9)) << 16; - delta |= ((s32)pmac_xpram_read(PMAC_XPRAM_MACHINE_LOC + 0xa)) << 8; - delta |= pmac_xpram_read(PMAC_XPRAM_MACHINE_LOC + 0xb); - if (delta & 0x00800000UL) - delta |= 0xFF000000UL; - dst = ((pmac_xpram_read(PMAC_XPRAM_MACHINE_LOC + 0x8) & 0x80) != 0); - printk("GMT Delta read from XPRAM: %d minutes, DST: %s\n", delta/60, - dst ? "on" : "off"); - return delta; -#else - return 0; -#endif -} - -unsigned long -pmac_get_rtc_time(void) -{ -#if defined(CONFIG_ADB_CUDA) || defined(CONFIG_ADB_PMU) - struct adb_request req; - unsigned long now; -#endif - - /* Get the time from the RTC */ - switch (sys_ctrler) { -#ifdef CONFIG_ADB_CUDA - case SYS_CTRLER_CUDA: - if (cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_GET_TIME) < 0) - return 0; - while (!req.complete) - cuda_poll(); - if (req.reply_len != 7) - printk(KERN_ERR "pmac_get_rtc_time: got %d byte reply\n", - req.reply_len); - now = (req.reply[3] << 24) + (req.reply[4] << 16) - + (req.reply[5] << 8) + req.reply[6]; - return now - RTC_OFFSET; -#endif /* CONFIG_ADB_CUDA */ -#ifdef CONFIG_ADB_PMU - case SYS_CTRLER_PMU: - if (pmu_request(&req, NULL, 1, PMU_READ_RTC) < 0) - return 0; - while (!req.complete) - pmu_poll(); - if (req.reply_len != 4) - printk(KERN_ERR "pmac_get_rtc_time: got %d byte reply\n", - req.reply_len); - now = (req.reply[0] << 24) + (req.reply[1] << 16) - + (req.reply[2] << 8) + req.reply[3]; - return now - RTC_OFFSET; -#endif /* CONFIG_ADB_PMU */ - default: ; - } - return 0; -} - -int -pmac_set_rtc_time(unsigned long nowtime) -{ -#if defined(CONFIG_ADB_CUDA) || defined(CONFIG_ADB_PMU) - struct adb_request req; -#endif - - nowtime += RTC_OFFSET; - - switch (sys_ctrler) { -#ifdef CONFIG_ADB_CUDA - case SYS_CTRLER_CUDA: - if (cuda_request(&req, NULL, 6, CUDA_PACKET, CUDA_SET_TIME, - nowtime >> 24, nowtime >> 16, nowtime >> 8, nowtime) < 0) - return 0; - while (!req.complete) - cuda_poll(); - if ((req.reply_len != 3) && (req.reply_len != 7)) - printk(KERN_ERR "pmac_set_rtc_time: got %d byte reply\n", - req.reply_len); - return 1; -#endif /* CONFIG_ADB_CUDA */ -#ifdef CONFIG_ADB_PMU - case SYS_CTRLER_PMU: - if (pmu_request(&req, NULL, 5, PMU_SET_RTC, - nowtime >> 24, nowtime >> 16, nowtime >> 8, nowtime) < 0) - return 0; - while (!req.complete) - pmu_poll(); - if (req.reply_len != 0) - printk(KERN_ERR "pmac_set_rtc_time: got %d byte reply\n", - req.reply_len); - return 1; -#endif /* CONFIG_ADB_PMU */ - default: - return 0; - } -} - -/* - * Calibrate the decrementer register using VIA timer 1. - * This is used both on powermacs and CHRP machines. - */ -int __init -via_calibrate_decr(void) -{ - struct device_node *vias; - volatile unsigned char __iomem *via; - int count = VIA_TIMER_FREQ_6 / 100; - unsigned int dstart, dend; - - vias = find_devices("via-cuda"); - if (vias == 0) - vias = find_devices("via-pmu"); - if (vias == 0) - vias = find_devices("via"); - if (vias == 0 || vias->n_addrs == 0) - return 0; - via = ioremap(vias->addrs[0].address, vias->addrs[0].size); - - /* set timer 1 for continuous interrupts */ - out_8(&via[ACR], (via[ACR] & ~T1MODE) | T1MODE_CONT); - /* set the counter to a small value */ - out_8(&via[T1CH], 2); - /* set the latch to `count' */ - out_8(&via[T1LL], count); - out_8(&via[T1LH], count >> 8); - /* wait until it hits 0 */ - while ((in_8(&via[IFR]) & T1_INT) == 0) - ; - dstart = get_dec(); - /* clear the interrupt & wait until it hits 0 again */ - in_8(&via[T1CL]); - while ((in_8(&via[IFR]) & T1_INT) == 0) - ; - dend = get_dec(); - - tb_ticks_per_jiffy = (dstart - dend) / ((6 * HZ)/100); - tb_to_us = mulhwu_scale_factor(dstart - dend, 60000); - - printk(KERN_INFO "via_calibrate_decr: ticks per jiffy = %u (%u ticks)\n", - tb_ticks_per_jiffy, dstart - dend); - - iounmap(via); - - return 1; -} - -#ifdef CONFIG_PM -/* - * Reset the time after a sleep. - */ -static int -time_sleep_notify(struct pmu_sleep_notifier *self, int when) -{ - static unsigned long time_diff; - unsigned long flags; - unsigned long seq; - - switch (when) { - case PBOOK_SLEEP_NOW: - do { - seq = read_seqbegin_irqsave(&xtime_lock, flags); - time_diff = xtime.tv_sec - pmac_get_rtc_time(); - } while (read_seqretry_irqrestore(&xtime_lock, seq, flags)); - break; - case PBOOK_WAKE: - write_seqlock_irqsave(&xtime_lock, flags); - xtime.tv_sec = pmac_get_rtc_time() + time_diff; - xtime.tv_nsec = 0; - last_rtc_update = xtime.tv_sec; - write_sequnlock_irqrestore(&xtime_lock, flags); - break; - } - return PBOOK_SLEEP_OK; -} - -static struct pmu_sleep_notifier time_sleep_notifier = { - time_sleep_notify, SLEEP_LEVEL_MISC, -}; -#endif /* CONFIG_PM */ - -/* - * Query the OF and get the decr frequency. - * This was taken from the pmac time_init() when merging the prep/pmac - * time functions. - */ -void __init -pmac_calibrate_decr(void) -{ - struct device_node *cpu; - unsigned int freq, *fp; - -#ifdef CONFIG_PM - pmu_register_sleep_notifier(&time_sleep_notifier); -#endif /* CONFIG_PM */ - - /* We assume MacRISC2 machines have correct device-tree - * calibration. That's better since the VIA itself seems - * to be slightly off. --BenH - */ - if (!machine_is_compatible("MacRISC2") && - !machine_is_compatible("MacRISC3") && - !machine_is_compatible("MacRISC4")) - if (via_calibrate_decr()) - return; - - /* Special case: QuickSilver G4s seem to have a badly calibrated - * timebase-frequency in OF, VIA is much better on these. We should - * probably implement calibration based on the KL timer on these - * machines anyway... -BenH - */ - if (machine_is_compatible("PowerMac3,5")) - if (via_calibrate_decr()) - return; - /* - * The cpu node should have a timebase-frequency property - * to tell us the rate at which the decrementer counts. - */ - cpu = find_type_devices("cpu"); - if (cpu == 0) - panic("can't find cpu node in time_init"); - fp = (unsigned int *) get_property(cpu, "timebase-frequency", NULL); - if (fp == 0) - panic("can't get cpu timebase frequency"); - freq = *fp; - printk("time_init: decrementer frequency = %u.%.6u MHz\n", - freq/1000000, freq%1000000); - tb_ticks_per_jiffy = freq / HZ; - tb_to_us = mulhwu_scale_factor(freq, 1000000); -} diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile index 84ef03018d0e..159dcd92a6d1 100644 --- a/arch/ppc/syslib/Makefile +++ b/arch/ppc/syslib/Makefile @@ -39,8 +39,6 @@ obj-$(CONFIG_8xx) += m8xx_setup.o ppc8xx_pic.o $(wdt-mpc8xx-y) \ ppc_sys.o mpc8xx_devices.o mpc8xx_sys.o obj-$(CONFIG_PCI_QSPAN) += qspan_pci.o obj-$(CONFIG_PPC_OF) += prom_init.o prom.o -obj-$(CONFIG_PPC_PMAC) += open_pic.o -obj-$(CONFIG_POWER4) += open_pic2.o obj-$(CONFIG_PPC_CHRP) += open_pic.o obj-$(CONFIG_PPC_PREP) += open_pic.o todc_time.o obj-$(CONFIG_BAMBOO) += pci_auto.o todc_time.o diff --git a/arch/ppc/syslib/mpc83xx_devices.c b/arch/ppc/syslib/mpc83xx_devices.c index 847df4409982..f9b95de70e23 100644 --- a/arch/ppc/syslib/mpc83xx_devices.c +++ b/arch/ppc/syslib/mpc83xx_devices.c @@ -28,7 +28,6 @@ */ struct gianfar_mdio_data mpc83xx_mdio_pdata = { - .paddr = 0x24520, }; static struct gianfar_platform_data mpc83xx_tsec1_pdata = { @@ -226,7 +225,14 @@ struct platform_device ppc_sys_platform_devices[] = { .name = "fsl-gianfar_mdio", .id = 0, .dev.platform_data = &mpc83xx_mdio_pdata, - .num_resources = 0, + .num_resources = 1, + .resource = (struct resource[]) { + { + .start = 0x24520, + .end = 0x2453f, + .flags = IORESOURCE_MEM, + }, + }, }, }; diff --git a/arch/ppc/syslib/mpc85xx_devices.c b/arch/ppc/syslib/mpc85xx_devices.c index 69949d255658..00e9b6ff2f6e 100644 --- a/arch/ppc/syslib/mpc85xx_devices.c +++ b/arch/ppc/syslib/mpc85xx_devices.c @@ -26,7 +26,6 @@ * what CCSRBAR is, will get fixed up by mach_mpc85xx_fixup */ struct gianfar_mdio_data mpc85xx_mdio_pdata = { - .paddr = MPC85xx_MIIM_OFFSET, }; static struct gianfar_platform_data mpc85xx_tsec1_pdata = { @@ -720,7 +719,14 @@ struct platform_device ppc_sys_platform_devices[] = { .name = "fsl-gianfar_mdio", .id = 0, .dev.platform_data = &mpc85xx_mdio_pdata, - .num_resources = 0, + .num_resources = 1, + .resource = (struct resource[]) { + { + .start = 0x24520, + .end = 0x2453f, + .flags = IORESOURCE_MEM, + }, + }, }, }; diff --git a/arch/ppc/syslib/ocp.c b/arch/ppc/syslib/ocp.c index 9ccce438bd7a..ab34b1d6072f 100644 --- a/arch/ppc/syslib/ocp.c +++ b/arch/ppc/syslib/ocp.c @@ -189,6 +189,8 @@ ocp_device_resume(struct device *dev) struct bus_type ocp_bus_type = { .name = "ocp", .match = ocp_device_match, + .probe = ocp_driver_probe, + .remove = ocp_driver_remove, .suspend = ocp_device_suspend, .resume = ocp_device_resume, }; @@ -210,8 +212,6 @@ ocp_register_driver(struct ocp_driver *drv) /* initialize common driver fields */ drv->driver.name = drv->name; drv->driver.bus = &ocp_bus_type; - drv->driver.probe = ocp_device_probe; - drv->driver.remove = ocp_device_remove; /* register with core */ return driver_register(&drv->driver); diff --git a/arch/ppc/syslib/prom.c b/arch/ppc/syslib/prom.c index af4deace49e0..482f837fd373 100644 --- a/arch/ppc/syslib/prom.c +++ b/arch/ppc/syslib/prom.c @@ -70,8 +70,6 @@ int use_of_interrupt_tree; struct device_node *dflt_interrupt_controller; int num_interrupt_controllers; -int pmac_newworld; - extern unsigned int rtas_entry; /* physical pointer */ extern struct device_node *allnodes; @@ -123,22 +121,13 @@ finish_device_tree(void) unsigned long mem = (unsigned long) klimit; struct device_node *np; - /* All newworld pmac machines and CHRPs now use the interrupt tree */ + /* All CHRPs now use the interrupt tree */ for (np = allnodes; np != NULL; np = np->allnext) { if (get_property(np, "interrupt-parent", NULL)) { use_of_interrupt_tree = 1; break; } } - if (_machine == _MACH_Pmac && use_of_interrupt_tree) - pmac_newworld = 1; - -#ifdef CONFIG_BOOTX_TEXT - if (boot_infos && pmac_newworld) { - prom_print("WARNING ! BootX/miBoot booting is not supported on this machine\n"); - prom_print(" You should use an Open Firmware bootloader\n"); - } -#endif /* CONFIG_BOOTX_TEXT */ if (use_of_interrupt_tree) { /* @@ -434,16 +423,10 @@ finish_node_interrupts(struct device_node *np, unsigned long mem_start) * those machines, we want to offset interrupts from the * second openpic by 128 -- BenH */ - if (_machine != _MACH_Pmac && num_interrupt_controllers > 1 + if (num_interrupt_controllers > 1 && ic != NULL && get_property(ic, "interrupt-parent", NULL) == NULL) offset = 16; - else if (_machine == _MACH_Pmac && num_interrupt_controllers > 1 - && ic != NULL && ic->parent != NULL) { - char *name = get_property(ic->parent, "name", NULL); - if (name && !strcmp(name, "u3")) - offset = 128; - } np->intrs[i].line = irq[0] + offset; if (n > 1) diff --git a/arch/ppc/xmon/start.c b/arch/ppc/xmon/start.c index c80177f8ec04..4344cbe9b5c5 100644 --- a/arch/ppc/xmon/start.c +++ b/arch/ppc/xmon/start.c @@ -18,7 +18,6 @@ #include <asm/bootx.h> #include <asm/machdep.h> #include <asm/errno.h> -#include <asm/pmac_feature.h> #include <asm/processor.h> #include <asm/delay.h> #include <asm/btext.h> @@ -27,11 +26,9 @@ static volatile unsigned char *sccc, *sccd; unsigned int TXRDY, RXRDY, DLAB; static int xmon_expect(const char *str, unsigned int timeout); -static int use_serial; static int use_screen; static int via_modem; static int xmon_use_sccb; -static struct device_node *channel_node; #define TB_SPEED 25000000 @@ -112,96 +109,21 @@ xmon_map_scc(void) #ifdef CONFIG_PPC_MULTIPLATFORM volatile unsigned char *base; - if (_machine == _MACH_Pmac) { - struct device_node *np; - unsigned long addr; -#ifdef CONFIG_BOOTX_TEXT - if (!use_screen && !use_serial - && !machine_is_compatible("iMac")) { - /* see if there is a keyboard in the device tree - with a parent of type "adb" */ - for (np = find_devices("keyboard"); np; np = np->next) - if (np->parent && np->parent->type - && strcmp(np->parent->type, "adb") == 0) - break; - - /* needs to be hacked if xmon_printk is to be used - from within find_via_pmu() */ -#ifdef CONFIG_ADB_PMU - if (np != NULL && boot_text_mapped && find_via_pmu()) - use_screen = 1; -#endif -#ifdef CONFIG_ADB_CUDA - if (np != NULL && boot_text_mapped && find_via_cuda()) - use_screen = 1; -#endif - } - if (!use_screen && (np = find_devices("escc")) != NULL) { - /* - * look for the device node for the serial port - * we're using and see if it says it has a modem - */ - char *name = xmon_use_sccb? "ch-b": "ch-a"; - char *slots; - int l; - - np = np->child; - while (np != NULL && strcmp(np->name, name) != 0) - np = np->sibling; - if (np != NULL) { - /* XXX should parse this properly */ - channel_node = np; - slots = get_property(np, "slot-names", &l); - if (slots != NULL && l >= 10 - && strcmp(slots+4, "Modem") == 0) - via_modem = 1; - } - } - btext_drawstring("xmon uses "); - if (use_screen) - btext_drawstring("screen and keyboard\n"); - else { - if (via_modem) - btext_drawstring("modem on "); - btext_drawstring(xmon_use_sccb? "printer": "modem"); - btext_drawstring(" port\n"); - } - -#endif /* CONFIG_BOOTX_TEXT */ - -#ifdef CHRP_ESCC - addr = 0xc1013020; -#else - addr = 0xf3013020; -#endif - TXRDY = 4; - RXRDY = 1; - - np = find_devices("mac-io"); - if (np && np->n_addrs) - addr = np->addrs[0].address + 0x13020; - base = (volatile unsigned char *) ioremap(addr & PAGE_MASK, PAGE_SIZE); - sccc = base + (addr & ~PAGE_MASK); - sccd = sccc + 0x10; - - } #ifdef CONFIG_PPC_CHRP - else { - base = (volatile unsigned char *) isa_io_base; - if (_machine == _MACH_chrp) - base = (volatile unsigned char *) - ioremap(chrp_find_phys_io_base(), 0x1000); - - sccc = base + 0x3fd; - sccd = base + 0x3f8; - if (xmon_use_sccb) { - sccc -= 0x100; - sccd -= 0x100; - } - TXRDY = 0x20; - RXRDY = 1; - DLAB = 0x80; + base = (volatile unsigned char *) isa_io_base; + if (_machine == _MACH_chrp) + base = (volatile unsigned char *) + ioremap(chrp_find_phys_io_base(), 0x1000); + + sccc = base + 0x3fd; + sccd = base + 0x3f8; + if (xmon_use_sccb) { + sccc -= 0x100; + sccd -= 0x100; } + TXRDY = 0x20; + RXRDY = 1; + DLAB = 0x80; #endif /* CONFIG_PPC_CHRP */ #elif defined(CONFIG_GEMINI) /* should already be mapped by the kernel boot */ @@ -385,16 +307,6 @@ xmon_read_poll(void) return *sccd; } -static unsigned char scc_inittab[] = { - 13, 0, /* set baud rate divisor */ - 12, 1, - 14, 1, /* baud rate gen enable, src=rtxc */ - 11, 0x50, /* clocks = br gen */ - 5, 0xea, /* tx 8 bits, assert DTR & RTS */ - 4, 0x46, /* x16 clock, 1 stop */ - 3, 0xc1, /* rx enable, 8 bits */ -}; - void xmon_init_scc(void) { @@ -407,43 +319,6 @@ xmon_init_scc(void) sccd[3] = 3; eieio(); /* LCR = 8N1 */ sccd[1] = 0; eieio(); /* IER = 0 */ } - else if ( _machine == _MACH_Pmac ) - { - int i, x; - - if (channel_node != 0) - pmac_call_feature( - PMAC_FTR_SCC_ENABLE, - channel_node, - PMAC_SCC_ASYNC | PMAC_SCC_FLAG_XMON, 1); - printk(KERN_INFO "Serial port locked ON by debugger !\n"); - if (via_modem && channel_node != 0) { - unsigned int t0; - - pmac_call_feature( - PMAC_FTR_MODEM_ENABLE, - channel_node, 0, 1); - printk(KERN_INFO "Modem powered up by debugger !\n"); - t0 = readtb(); - while (readtb() - t0 < 3*TB_SPEED) - eieio(); - } - /* use the B channel if requested */ - if (xmon_use_sccb) { - sccc = (volatile unsigned char *) - ((unsigned long)sccc & ~0x20); - sccd = sccc + 0x10; - } - for (i = 20000; i != 0; --i) { - x = *sccc; eieio(); - } - *sccc = 9; eieio(); /* reset A or B side */ - *sccc = ((unsigned long)sccc & 0x20)? 0x80: 0x40; eieio(); - for (i = 0; i < sizeof(scc_inittab); ++i) { - *sccc = scc_inittab[i]; - eieio(); - } - } scc_initialized = 1; if (via_modem) { for (;;) { @@ -632,19 +507,9 @@ xmon_fgets(char *str, int nb, void *f) void xmon_enter(void) { -#ifdef CONFIG_ADB_PMU - if (_machine == _MACH_Pmac) { - pmu_suspend(); - } -#endif } void xmon_leave(void) { -#ifdef CONFIG_ADB_PMU - if (_machine == _MACH_Pmac) { - pmu_resume(); - } -#endif } diff --git a/arch/ppc/xmon/xmon.c b/arch/ppc/xmon/xmon.c index 9075a7538e26..bdaf6597b4c2 100644 --- a/arch/ppc/xmon/xmon.c +++ b/arch/ppc/xmon/xmon.c @@ -16,9 +16,6 @@ #include <asm/bootx.h> #include <asm/machdep.h> #include <asm/xmon.h> -#ifdef CONFIG_PMAC_BACKLIGHT -#include <asm/backlight.h> -#endif #include "nonstdio.h" #include "privinst.h" @@ -260,16 +257,6 @@ int xmon(struct pt_regs *excp) */ #endif /* CONFIG_SMP */ remove_bpts(); -#ifdef CONFIG_PMAC_BACKLIGHT - if( setjmp(bus_error_jmp) == 0 ) { - debugger_fault_handler = handle_fault; - sync(); - set_backlight_enable(1); - set_backlight_level(BACKLIGHT_MAX); - sync(); - } - debugger_fault_handler = NULL; -#endif /* CONFIG_PMAC_BACKLIGHT */ cmd = cmds(excp); if (cmd == 's') { xmon_trace[smp_processor_id()] = SSTEP; diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c index 7a1033d8e00f..c5ca2dc5d428 100644 --- a/arch/s390/crypto/aes_s390.c +++ b/arch/s390/crypto/aes_s390.c @@ -114,80 +114,108 @@ static unsigned int aes_encrypt_ecb(const struct cipher_desc *desc, u8 *out, const u8 *in, unsigned int nbytes) { struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm); + int ret; + + /* only use complete blocks */ + nbytes &= ~(AES_BLOCK_SIZE - 1); switch (sctx->key_len) { case 16: - crypt_s390_km(KM_AES_128_ENCRYPT, &sctx->key, out, in, nbytes); + ret = crypt_s390_km(KM_AES_128_ENCRYPT, &sctx->key, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); break; case 24: - crypt_s390_km(KM_AES_192_ENCRYPT, &sctx->key, out, in, nbytes); + ret = crypt_s390_km(KM_AES_192_ENCRYPT, &sctx->key, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); break; case 32: - crypt_s390_km(KM_AES_256_ENCRYPT, &sctx->key, out, in, nbytes); + ret = crypt_s390_km(KM_AES_256_ENCRYPT, &sctx->key, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); break; } - return nbytes & ~(AES_BLOCK_SIZE - 1); + return nbytes; } static unsigned int aes_decrypt_ecb(const struct cipher_desc *desc, u8 *out, const u8 *in, unsigned int nbytes) { struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm); + int ret; + + /* only use complete blocks */ + nbytes &= ~(AES_BLOCK_SIZE - 1); switch (sctx->key_len) { case 16: - crypt_s390_km(KM_AES_128_DECRYPT, &sctx->key, out, in, nbytes); + ret = crypt_s390_km(KM_AES_128_DECRYPT, &sctx->key, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); break; case 24: - crypt_s390_km(KM_AES_192_DECRYPT, &sctx->key, out, in, nbytes); + ret = crypt_s390_km(KM_AES_192_DECRYPT, &sctx->key, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); break; case 32: - crypt_s390_km(KM_AES_256_DECRYPT, &sctx->key, out, in, nbytes); + ret = crypt_s390_km(KM_AES_256_DECRYPT, &sctx->key, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); break; } - return nbytes & ~(AES_BLOCK_SIZE - 1); + return nbytes; } static unsigned int aes_encrypt_cbc(const struct cipher_desc *desc, u8 *out, const u8 *in, unsigned int nbytes) { struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm); + int ret; + + /* only use complete blocks */ + nbytes &= ~(AES_BLOCK_SIZE - 1); memcpy(&sctx->iv, desc->info, AES_BLOCK_SIZE); switch (sctx->key_len) { case 16: - crypt_s390_kmc(KMC_AES_128_ENCRYPT, &sctx->iv, out, in, nbytes); + ret = crypt_s390_kmc(KMC_AES_128_ENCRYPT, &sctx->iv, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); break; case 24: - crypt_s390_kmc(KMC_AES_192_ENCRYPT, &sctx->iv, out, in, nbytes); + ret = crypt_s390_kmc(KMC_AES_192_ENCRYPT, &sctx->iv, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); break; case 32: - crypt_s390_kmc(KMC_AES_256_ENCRYPT, &sctx->iv, out, in, nbytes); + ret = crypt_s390_kmc(KMC_AES_256_ENCRYPT, &sctx->iv, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); break; } memcpy(desc->info, &sctx->iv, AES_BLOCK_SIZE); - return nbytes & ~(AES_BLOCK_SIZE - 1); + return nbytes; } static unsigned int aes_decrypt_cbc(const struct cipher_desc *desc, u8 *out, const u8 *in, unsigned int nbytes) { struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm); + int ret; + + /* only use complete blocks */ + nbytes &= ~(AES_BLOCK_SIZE - 1); memcpy(&sctx->iv, desc->info, AES_BLOCK_SIZE); switch (sctx->key_len) { case 16: - crypt_s390_kmc(KMC_AES_128_DECRYPT, &sctx->iv, out, in, nbytes); + ret = crypt_s390_kmc(KMC_AES_128_DECRYPT, &sctx->iv, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); break; case 24: - crypt_s390_kmc(KMC_AES_192_DECRYPT, &sctx->iv, out, in, nbytes); + ret = crypt_s390_kmc(KMC_AES_192_DECRYPT, &sctx->iv, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); break; case 32: - crypt_s390_kmc(KMC_AES_256_DECRYPT, &sctx->iv, out, in, nbytes); + ret = crypt_s390_kmc(KMC_AES_256_DECRYPT, &sctx->iv, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); break; } - return nbytes & ~(AES_BLOCK_SIZE - 1); + return nbytes; } diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c index a38bb2a3eef6..e3c37aa0a199 100644 --- a/arch/s390/crypto/des_s390.c +++ b/arch/s390/crypto/des_s390.c @@ -15,10 +15,8 @@ */ #include <linux/init.h> #include <linux/module.h> -#include <linux/mm.h> -#include <linux/errno.h> -#include <asm/scatterlist.h> #include <linux/crypto.h> + #include "crypt_s390.h" #include "crypto_des.h" @@ -46,38 +44,92 @@ struct crypt_s390_des3_192_ctx { u8 key[DES3_192_KEY_SIZE]; }; -static int -des_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags) +static int des_setkey(void *ctx, const u8 *key, unsigned int keylen, + u32 *flags) { - struct crypt_s390_des_ctx *dctx; + struct crypt_s390_des_ctx *dctx = ctx; int ret; - dctx = ctx; - //test if key is valid (not a weak key) + /* test if key is valid (not a weak key) */ ret = crypto_des_check_key(key, keylen, flags); - if (ret == 0){ + if (ret == 0) memcpy(dctx->key, key, keylen); - } return ret; } +static void des_encrypt(void *ctx, u8 *out, const u8 *in) +{ + struct crypt_s390_des_ctx *dctx = ctx; + + crypt_s390_km(KM_DEA_ENCRYPT, dctx->key, out, in, DES_BLOCK_SIZE); +} + +static void des_decrypt(void *ctx, u8 *out, const u8 *in) +{ + struct crypt_s390_des_ctx *dctx = ctx; + + crypt_s390_km(KM_DEA_DECRYPT, dctx->key, out, in, DES_BLOCK_SIZE); +} + +static unsigned int des_encrypt_ecb(const struct cipher_desc *desc, u8 *out, + const u8 *in, unsigned int nbytes) +{ + struct crypt_s390_des_ctx *sctx = crypto_tfm_ctx(desc->tfm); + int ret; + + /* only use complete blocks */ + nbytes &= ~(DES_BLOCK_SIZE - 1); + ret = crypt_s390_km(KM_DEA_ENCRYPT, sctx->key, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); + + return nbytes; +} -static void -des_encrypt(void *ctx, u8 *dst, const u8 *src) +static unsigned int des_decrypt_ecb(const struct cipher_desc *desc, u8 *out, + const u8 *in, unsigned int nbytes) { - struct crypt_s390_des_ctx *dctx; + struct crypt_s390_des_ctx *sctx = crypto_tfm_ctx(desc->tfm); + int ret; + + /* only use complete blocks */ + nbytes &= ~(DES_BLOCK_SIZE - 1); + ret = crypt_s390_km(KM_DEA_DECRYPT, sctx->key, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); - dctx = ctx; - crypt_s390_km(KM_DEA_ENCRYPT, dctx->key, dst, src, DES_BLOCK_SIZE); + return nbytes; } -static void -des_decrypt(void *ctx, u8 *dst, const u8 *src) +static unsigned int des_encrypt_cbc(const struct cipher_desc *desc, u8 *out, + const u8 *in, unsigned int nbytes) { - struct crypt_s390_des_ctx *dctx; + struct crypt_s390_des_ctx *sctx = crypto_tfm_ctx(desc->tfm); + int ret; - dctx = ctx; - crypt_s390_km(KM_DEA_DECRYPT, dctx->key, dst, src, DES_BLOCK_SIZE); + /* only use complete blocks */ + nbytes &= ~(DES_BLOCK_SIZE - 1); + + memcpy(sctx->iv, desc->info, DES_BLOCK_SIZE); + ret = crypt_s390_kmc(KMC_DEA_ENCRYPT, &sctx->iv, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); + + memcpy(desc->info, sctx->iv, DES_BLOCK_SIZE); + return nbytes; +} + +static unsigned int des_decrypt_cbc(const struct cipher_desc *desc, u8 *out, + const u8 *in, unsigned int nbytes) +{ + struct crypt_s390_des_ctx *sctx = crypto_tfm_ctx(desc->tfm); + int ret; + + /* only use complete blocks */ + nbytes &= ~(DES_BLOCK_SIZE - 1); + + memcpy(&sctx->iv, desc->info, DES_BLOCK_SIZE); + ret = crypt_s390_kmc(KMC_DEA_DECRYPT, &sctx->iv, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); + + return nbytes; } static struct crypto_alg des_alg = { @@ -87,12 +139,19 @@ static struct crypto_alg des_alg = { .cra_ctxsize = sizeof(struct crypt_s390_des_ctx), .cra_module = THIS_MODULE, .cra_list = LIST_HEAD_INIT(des_alg.cra_list), - .cra_u = { .cipher = { - .cia_min_keysize = DES_KEY_SIZE, - .cia_max_keysize = DES_KEY_SIZE, - .cia_setkey = des_setkey, - .cia_encrypt = des_encrypt, - .cia_decrypt = des_decrypt } } + .cra_u = { + .cipher = { + .cia_min_keysize = DES_KEY_SIZE, + .cia_max_keysize = DES_KEY_SIZE, + .cia_setkey = des_setkey, + .cia_encrypt = des_encrypt, + .cia_decrypt = des_decrypt, + .cia_encrypt_ecb = des_encrypt_ecb, + .cia_decrypt_ecb = des_decrypt_ecb, + .cia_encrypt_cbc = des_encrypt_cbc, + .cia_decrypt_cbc = des_decrypt_cbc, + } + } }; /* @@ -107,20 +166,18 @@ static struct crypto_alg des_alg = { * Implementers MUST reject keys that exhibit this property. * */ -static int -des3_128_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags) +static int des3_128_setkey(void *ctx, const u8 *key, unsigned int keylen, + u32 *flags) { int i, ret; - struct crypt_s390_des3_128_ctx *dctx; + struct crypt_s390_des3_128_ctx *dctx = ctx; const u8* temp_key = key; - dctx = ctx; if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE))) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED; return -EINVAL; } - for (i = 0; i < 2; i++, temp_key += DES_KEY_SIZE) { + for (i = 0; i < 2; i++, temp_key += DES_KEY_SIZE) { ret = crypto_des_check_key(temp_key, DES_KEY_SIZE, flags); if (ret < 0) return ret; @@ -129,24 +186,85 @@ des3_128_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags) return 0; } -static void -des3_128_encrypt(void *ctx, u8 *dst, const u8 *src) +static void des3_128_encrypt(void *ctx, u8 *dst, const u8 *src) { - struct crypt_s390_des3_128_ctx *dctx; + struct crypt_s390_des3_128_ctx *dctx = ctx; - dctx = ctx; crypt_s390_km(KM_TDEA_128_ENCRYPT, dctx->key, dst, (void*)src, - DES3_128_BLOCK_SIZE); + DES3_128_BLOCK_SIZE); } -static void -des3_128_decrypt(void *ctx, u8 *dst, const u8 *src) +static void des3_128_decrypt(void *ctx, u8 *dst, const u8 *src) { - struct crypt_s390_des3_128_ctx *dctx; + struct crypt_s390_des3_128_ctx *dctx = ctx; - dctx = ctx; crypt_s390_km(KM_TDEA_128_DECRYPT, dctx->key, dst, (void*)src, - DES3_128_BLOCK_SIZE); + DES3_128_BLOCK_SIZE); +} + +static unsigned int des3_128_encrypt_ecb(const struct cipher_desc *desc, + u8 *out, const u8 *in, + unsigned int nbytes) +{ + struct crypt_s390_des3_128_ctx *sctx = crypto_tfm_ctx(desc->tfm); + int ret; + + /* only use complete blocks */ + nbytes &= ~(DES3_128_BLOCK_SIZE - 1); + ret = crypt_s390_km(KM_TDEA_128_ENCRYPT, sctx->key, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); + + return nbytes; +} + +static unsigned int des3_128_decrypt_ecb(const struct cipher_desc *desc, + u8 *out, const u8 *in, + unsigned int nbytes) +{ + struct crypt_s390_des3_128_ctx *sctx = crypto_tfm_ctx(desc->tfm); + int ret; + + /* only use complete blocks */ + nbytes &= ~(DES3_128_BLOCK_SIZE - 1); + ret = crypt_s390_km(KM_TDEA_128_DECRYPT, sctx->key, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); + + return nbytes; +} + +static unsigned int des3_128_encrypt_cbc(const struct cipher_desc *desc, + u8 *out, const u8 *in, + unsigned int nbytes) +{ + struct crypt_s390_des3_128_ctx *sctx = crypto_tfm_ctx(desc->tfm); + int ret; + + /* only use complete blocks */ + nbytes &= ~(DES3_128_BLOCK_SIZE - 1); + + memcpy(sctx->iv, desc->info, DES3_128_BLOCK_SIZE); + ret = crypt_s390_kmc(KMC_TDEA_128_ENCRYPT, &sctx->iv, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); + + memcpy(desc->info, sctx->iv, DES3_128_BLOCK_SIZE); + return nbytes; +} + +static unsigned int des3_128_decrypt_cbc(const struct cipher_desc *desc, + u8 *out, const u8 *in, + unsigned int nbytes) +{ + struct crypt_s390_des3_128_ctx *sctx = crypto_tfm_ctx(desc->tfm); + int ret; + + /* only use complete blocks */ + nbytes &= ~(DES3_128_BLOCK_SIZE - 1); + + memcpy(&sctx->iv, desc->info, DES3_128_BLOCK_SIZE); + ret = crypt_s390_kmc(KMC_TDEA_128_DECRYPT, &sctx->iv, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); + + return nbytes; } static struct crypto_alg des3_128_alg = { @@ -156,12 +274,19 @@ static struct crypto_alg des3_128_alg = { .cra_ctxsize = sizeof(struct crypt_s390_des3_128_ctx), .cra_module = THIS_MODULE, .cra_list = LIST_HEAD_INIT(des3_128_alg.cra_list), - .cra_u = { .cipher = { - .cia_min_keysize = DES3_128_KEY_SIZE, - .cia_max_keysize = DES3_128_KEY_SIZE, - .cia_setkey = des3_128_setkey, - .cia_encrypt = des3_128_encrypt, - .cia_decrypt = des3_128_decrypt } } + .cra_u = { + .cipher = { + .cia_min_keysize = DES3_128_KEY_SIZE, + .cia_max_keysize = DES3_128_KEY_SIZE, + .cia_setkey = des3_128_setkey, + .cia_encrypt = des3_128_encrypt, + .cia_decrypt = des3_128_decrypt, + .cia_encrypt_ecb = des3_128_encrypt_ecb, + .cia_decrypt_ecb = des3_128_decrypt_ecb, + .cia_encrypt_cbc = des3_128_encrypt_cbc, + .cia_decrypt_cbc = des3_128_decrypt_cbc, + } + } }; /* @@ -177,50 +302,108 @@ static struct crypto_alg des3_128_alg = { * property. * */ -static int -des3_192_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags) +static int des3_192_setkey(void *ctx, const u8 *key, unsigned int keylen, + u32 *flags) { int i, ret; - struct crypt_s390_des3_192_ctx *dctx; - const u8* temp_key; + struct crypt_s390_des3_192_ctx *dctx = ctx; + const u8* temp_key = key; - dctx = ctx; - temp_key = key; if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE) && memcmp(&key[DES_KEY_SIZE], &key[DES_KEY_SIZE * 2], - DES_KEY_SIZE))) { + DES_KEY_SIZE))) { *flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED; return -EINVAL; } for (i = 0; i < 3; i++, temp_key += DES_KEY_SIZE) { ret = crypto_des_check_key(temp_key, DES_KEY_SIZE, flags); - if (ret < 0){ + if (ret < 0) return ret; - } } memcpy(dctx->key, key, keylen); return 0; } -static void -des3_192_encrypt(void *ctx, u8 *dst, const u8 *src) +static void des3_192_encrypt(void *ctx, u8 *dst, const u8 *src) { - struct crypt_s390_des3_192_ctx *dctx; + struct crypt_s390_des3_192_ctx *dctx = ctx; - dctx = ctx; crypt_s390_km(KM_TDEA_192_ENCRYPT, dctx->key, dst, (void*)src, - DES3_192_BLOCK_SIZE); + DES3_192_BLOCK_SIZE); } -static void -des3_192_decrypt(void *ctx, u8 *dst, const u8 *src) +static void des3_192_decrypt(void *ctx, u8 *dst, const u8 *src) { - struct crypt_s390_des3_192_ctx *dctx; + struct crypt_s390_des3_192_ctx *dctx = ctx; - dctx = ctx; crypt_s390_km(KM_TDEA_192_DECRYPT, dctx->key, dst, (void*)src, - DES3_192_BLOCK_SIZE); + DES3_192_BLOCK_SIZE); +} + +static unsigned int des3_192_encrypt_ecb(const struct cipher_desc *desc, + u8 *out, const u8 *in, + unsigned int nbytes) +{ + struct crypt_s390_des3_192_ctx *sctx = crypto_tfm_ctx(desc->tfm); + int ret; + + /* only use complete blocks */ + nbytes &= ~(DES3_192_BLOCK_SIZE - 1); + ret = crypt_s390_km(KM_TDEA_192_ENCRYPT, sctx->key, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); + + return nbytes; +} + +static unsigned int des3_192_decrypt_ecb(const struct cipher_desc *desc, + u8 *out, const u8 *in, + unsigned int nbytes) +{ + struct crypt_s390_des3_192_ctx *sctx = crypto_tfm_ctx(desc->tfm); + int ret; + + /* only use complete blocks */ + nbytes &= ~(DES3_192_BLOCK_SIZE - 1); + ret = crypt_s390_km(KM_TDEA_192_DECRYPT, sctx->key, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); + + return nbytes; +} + +static unsigned int des3_192_encrypt_cbc(const struct cipher_desc *desc, + u8 *out, const u8 *in, + unsigned int nbytes) +{ + struct crypt_s390_des3_192_ctx *sctx = crypto_tfm_ctx(desc->tfm); + int ret; + + /* only use complete blocks */ + nbytes &= ~(DES3_192_BLOCK_SIZE - 1); + + memcpy(sctx->iv, desc->info, DES3_192_BLOCK_SIZE); + ret = crypt_s390_kmc(KMC_TDEA_192_ENCRYPT, &sctx->iv, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); + + memcpy(desc->info, sctx->iv, DES3_192_BLOCK_SIZE); + return nbytes; +} + +static unsigned int des3_192_decrypt_cbc(const struct cipher_desc *desc, + u8 *out, const u8 *in, + unsigned int nbytes) +{ + struct crypt_s390_des3_192_ctx *sctx = crypto_tfm_ctx(desc->tfm); + int ret; + + /* only use complete blocks */ + nbytes &= ~(DES3_192_BLOCK_SIZE - 1); + + memcpy(&sctx->iv, desc->info, DES3_192_BLOCK_SIZE); + ret = crypt_s390_kmc(KMC_TDEA_192_DECRYPT, &sctx->iv, out, in, nbytes); + BUG_ON((ret < 0) || (ret != nbytes)); + + return nbytes; } static struct crypto_alg des3_192_alg = { @@ -230,44 +413,43 @@ static struct crypto_alg des3_192_alg = { .cra_ctxsize = sizeof(struct crypt_s390_des3_192_ctx), .cra_module = THIS_MODULE, .cra_list = LIST_HEAD_INIT(des3_192_alg.cra_list), - .cra_u = { .cipher = { - .cia_min_keysize = DES3_192_KEY_SIZE, - .cia_max_keysize = DES3_192_KEY_SIZE, - .cia_setkey = des3_192_setkey, - .cia_encrypt = des3_192_encrypt, - .cia_decrypt = des3_192_decrypt } } + .cra_u = { + .cipher = { + .cia_min_keysize = DES3_192_KEY_SIZE, + .cia_max_keysize = DES3_192_KEY_SIZE, + .cia_setkey = des3_192_setkey, + .cia_encrypt = des3_192_encrypt, + .cia_decrypt = des3_192_decrypt, + .cia_encrypt_ecb = des3_192_encrypt_ecb, + .cia_decrypt_ecb = des3_192_decrypt_ecb, + .cia_encrypt_cbc = des3_192_encrypt_cbc, + .cia_decrypt_cbc = des3_192_decrypt_cbc, + } + } }; - - -static int -init(void) +static int init(void) { - int ret; + int ret = 0; if (!crypt_s390_func_available(KM_DEA_ENCRYPT) || !crypt_s390_func_available(KM_TDEA_128_ENCRYPT) || - !crypt_s390_func_available(KM_TDEA_192_ENCRYPT)){ + !crypt_s390_func_available(KM_TDEA_192_ENCRYPT)) return -ENOSYS; - } - ret = 0; - ret |= (crypto_register_alg(&des_alg) == 0)? 0:1; - ret |= (crypto_register_alg(&des3_128_alg) == 0)? 0:2; - ret |= (crypto_register_alg(&des3_192_alg) == 0)? 0:4; - if (ret){ + ret |= (crypto_register_alg(&des_alg) == 0) ? 0:1; + ret |= (crypto_register_alg(&des3_128_alg) == 0) ? 0:2; + ret |= (crypto_register_alg(&des3_192_alg) == 0) ? 0:4; + if (ret) { crypto_unregister_alg(&des3_192_alg); crypto_unregister_alg(&des3_128_alg); crypto_unregister_alg(&des_alg); return -EEXIST; } - - printk(KERN_INFO "crypt_s390: des_s390 loaded.\n"); return 0; } -static void __exit -fini(void) +static void __exit fini(void) { crypto_unregister_alg(&des3_192_alg); crypto_unregister_alg(&des3_128_alg); diff --git a/arch/s390/crypto/sha256_s390.c b/arch/s390/crypto/sha256_s390.c index b75bdbd476c7..1ec5e92b3454 100644 --- a/arch/s390/crypto/sha256_s390.c +++ b/arch/s390/crypto/sha256_s390.c @@ -51,6 +51,7 @@ static void sha256_update(void *ctx, const u8 *data, unsigned int len) { struct s390_sha256_ctx *sctx = ctx; unsigned int index; + int ret; /* how much is already in the buffer? */ index = sctx->count / 8 & 0x3f; @@ -58,15 +59,29 @@ static void sha256_update(void *ctx, const u8 *data, unsigned int len) /* update message bit length */ sctx->count += len * 8; - /* process one block */ - if ((index + len) >= SHA256_BLOCK_SIZE) { + if ((index + len) < SHA256_BLOCK_SIZE) + goto store; + + /* process one stored block */ + if (index) { memcpy(sctx->buf + index, data, SHA256_BLOCK_SIZE - index); - crypt_s390_kimd(KIMD_SHA_256, sctx->state, sctx->buf, - SHA256_BLOCK_SIZE); + ret = crypt_s390_kimd(KIMD_SHA_256, sctx->state, sctx->buf, + SHA256_BLOCK_SIZE); + BUG_ON(ret != SHA256_BLOCK_SIZE); data += SHA256_BLOCK_SIZE - index; len -= SHA256_BLOCK_SIZE - index; } + /* process as many blocks as possible */ + if (len >= SHA256_BLOCK_SIZE) { + ret = crypt_s390_kimd(KIMD_SHA_256, sctx->state, data, + len & ~(SHA256_BLOCK_SIZE - 1)); + BUG_ON(ret != (len & ~(SHA256_BLOCK_SIZE - 1))); + data += ret; + len -= ret; + } + +store: /* anything left? */ if (len) memcpy(sctx->buf + index , data, len); @@ -119,9 +134,9 @@ static struct crypto_alg alg = { .cra_list = LIST_HEAD_INIT(alg.cra_list), .cra_u = { .digest = { .dia_digestsize = SHA256_DIGEST_SIZE, - .dia_init = sha256_init, - .dia_update = sha256_update, - .dia_final = sha256_final } } + .dia_init = sha256_init, + .dia_update = sha256_update, + .dia_final = sha256_final } } }; static int init(void) diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 2ff90a1a1056..008c74526fd3 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -58,10 +58,18 @@ asmlinkage void ret_from_fork(void) __asm__("ret_from_fork"); */ unsigned long thread_saved_pc(struct task_struct *tsk) { - struct stack_frame *sf; + struct stack_frame *sf, *low, *high; - sf = (struct stack_frame *) tsk->thread.ksp; - sf = (struct stack_frame *) sf->back_chain; + if (!tsk || !task_stack_page(tsk)) + return 0; + low = task_stack_page(tsk); + high = (struct stack_frame *) task_pt_regs(tsk); + sf = (struct stack_frame *) (tsk->thread.ksp & PSW_ADDR_INSN); + if (sf <= low || sf > high) + return 0; + sf = (struct stack_frame *) (sf->back_chain & PSW_ADDR_INSN); + if (sf <= low || sf > high) + return 0; return sf->gprs[8]; } diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index b03847d100d9..de8784267473 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -268,7 +268,7 @@ static void do_machine_restart_nonsmp(char * __unused) reipl_diag(); if (MACHINE_IS_VM) - cpcmd ("IPL", NULL, 0); + cpcmd ("IPL", NULL, 0, NULL); else reipl (0x10000 | S390_lowcore.ipl_device); } @@ -276,14 +276,14 @@ static void do_machine_restart_nonsmp(char * __unused) static void do_machine_halt_nonsmp(void) { if (MACHINE_IS_VM && strlen(vmhalt_cmd) > 0) - cpcmd(vmhalt_cmd, NULL, 0); + cpcmd(vmhalt_cmd, NULL, 0, NULL); signal_processor(smp_processor_id(), sigp_stop_and_store_status); } static void do_machine_power_off_nonsmp(void) { if (MACHINE_IS_VM && strlen(vmpoff_cmd) > 0) - cpcmd(vmpoff_cmd, NULL, 0); + cpcmd(vmpoff_cmd, NULL, 0, NULL); signal_processor(smp_processor_id(), sigp_stop_and_store_status); } @@ -315,6 +315,11 @@ void machine_power_off(void) _machine_power_off(); } +/* + * Dummy power off function. + */ +void (*pm_power_off)(void) = machine_power_off; + static void __init add_memory_hole(unsigned long start, unsigned long end) { diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index b0d8ca8e5eeb..7c0fe152a111 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -214,7 +214,7 @@ void account_ticks(struct pt_regs *regs) #endif #ifdef CONFIG_VIRT_CPU_ACCOUNTING - account_user_vtime(current); + account_tick_vtime(current); #else while (ticks--) update_process_times(user_mode(regs)); diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c index 22a895ecb7a4..dfe6f0856617 100644 --- a/arch/s390/kernel/vtime.c +++ b/arch/s390/kernel/vtime.c @@ -32,7 +32,7 @@ DEFINE_PER_CPU(struct vtimer_queue, virt_cpu_timer); * Update process times based on virtual cpu times stored by entry.S * to the lowcore fields user_timer, system_timer & steal_clock. */ -void account_user_vtime(struct task_struct *tsk) +void account_tick_vtime(struct task_struct *tsk) { cputime_t cputime; __u64 timer, clock; @@ -76,6 +76,31 @@ void account_user_vtime(struct task_struct *tsk) * Update process times based on virtual cpu times stored by entry.S * to the lowcore fields user_timer, system_timer & steal_clock. */ +void account_vtime(struct task_struct *tsk) +{ + cputime_t cputime; + __u64 timer; + + timer = S390_lowcore.last_update_timer; + asm volatile (" STPT %0" /* Store current cpu timer value */ + : "=m" (S390_lowcore.last_update_timer) ); + S390_lowcore.system_timer += timer - S390_lowcore.last_update_timer; + + cputime = S390_lowcore.user_timer >> 12; + S390_lowcore.user_timer -= cputime << 12; + S390_lowcore.steal_clock -= cputime << 12; + account_user_time(tsk, cputime); + + cputime = S390_lowcore.system_timer >> 12; + S390_lowcore.system_timer -= cputime << 12; + S390_lowcore.steal_clock -= cputime << 12; + account_system_time(tsk, 0, cputime); +} + +/* + * Update process times based on virtual cpu times stored by entry.S + * to the lowcore fields user_timer, system_timer & steal_clock. + */ void account_system_vtime(struct task_struct *tsk) { cputime_t cputime; diff --git a/arch/s390/lib/Makefile b/arch/s390/lib/Makefile index d9b97b3c597f..f20b51ff1d86 100644 --- a/arch/s390/lib/Makefile +++ b/arch/s390/lib/Makefile @@ -4,5 +4,6 @@ EXTRA_AFLAGS := -traditional -lib-y += delay.o string.o spinlock.o +lib-y += delay.o string.o lib-y += $(if $(CONFIG_64BIT),uaccess64.o,uaccess.o) +lib-$(CONFIG_SMP) += spinlock.o
\ No newline at end of file diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c index 68d79c502081..60f80a4eed4e 100644 --- a/arch/s390/lib/spinlock.c +++ b/arch/s390/lib/spinlock.c @@ -13,7 +13,6 @@ #include <linux/init.h> #include <asm/io.h> -atomic_t spin_retry_counter; int spin_retry = 1000; /** @@ -45,7 +44,6 @@ _raw_spin_lock_wait(raw_spinlock_t *lp, unsigned int pc) _diag44(); count = spin_retry; } - atomic_inc(&spin_retry_counter); if (_raw_compare_and_swap(&lp->lock, 0, pc) == 0) return; } @@ -58,7 +56,6 @@ _raw_spin_trylock_retry(raw_spinlock_t *lp, unsigned int pc) int count = spin_retry; while (count-- > 0) { - atomic_inc(&spin_retry_counter); if (_raw_compare_and_swap(&lp->lock, 0, pc) == 0) return 1; } @@ -77,7 +74,6 @@ _raw_read_lock_wait(raw_rwlock_t *rw) _diag44(); count = spin_retry; } - atomic_inc(&spin_retry_counter); old = rw->lock & 0x7fffffffU; if (_raw_compare_and_swap(&rw->lock, old, old + 1) == old) return; @@ -92,7 +88,6 @@ _raw_read_trylock_retry(raw_rwlock_t *rw) int count = spin_retry; while (count-- > 0) { - atomic_inc(&spin_retry_counter); old = rw->lock & 0x7fffffffU; if (_raw_compare_and_swap(&rw->lock, old, old + 1) == old) return 1; @@ -111,7 +106,6 @@ _raw_write_lock_wait(raw_rwlock_t *rw) _diag44(); count = spin_retry; } - atomic_inc(&spin_retry_counter); if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0) return; } @@ -124,7 +118,6 @@ _raw_write_trylock_retry(raw_rwlock_t *rw) int count = spin_retry; while (count-- > 0) { - atomic_inc(&spin_retry_counter); if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0) return 1; } diff --git a/arch/sh/kernel/cpu/bus.c b/arch/sh/kernel/cpu/bus.c index d4fee2a79373..3278d234bb1b 100644 --- a/arch/sh/kernel/cpu/bus.c +++ b/arch/sh/kernel/cpu/bus.c @@ -53,21 +53,6 @@ static int sh_bus_resume(struct device *dev) return 0; } -static struct device sh_bus_devices[SH_NR_BUSES] = { - { - .bus_id = SH_BUS_NAME_VIRT, - }, -}; - -struct bus_type sh_bus_types[SH_NR_BUSES] = { - { - .name = SH_BUS_NAME_VIRT, - .match = sh_bus_match, - .suspend = sh_bus_suspend, - .resume = sh_bus_resume, - }, -}; - static int sh_device_probe(struct device *dev) { struct sh_dev *shdev = to_sh_dev(dev); @@ -90,6 +75,23 @@ static int sh_device_remove(struct device *dev) return 0; } +static struct device sh_bus_devices[SH_NR_BUSES] = { + { + .bus_id = SH_BUS_NAME_VIRT, + }, +}; + +struct bus_type sh_bus_types[SH_NR_BUSES] = { + { + .name = SH_BUS_NAME_VIRT, + .match = sh_bus_match, + .probe = sh_bus_probe, + .remove = sh_bus_remove, + .suspend = sh_bus_suspend, + .resume = sh_bus_resume, + }, +}; + int sh_device_register(struct sh_dev *dev) { if (!dev) @@ -133,8 +135,6 @@ int sh_driver_register(struct sh_driver *drv) return -EINVAL; } - drv->drv.probe = sh_device_probe; - drv->drv.remove = sh_device_remove; drv->drv.bus = &sh_bus_types[drv->bus_id]; return driver_register(&drv->drv); diff --git a/arch/um/Makefile b/arch/um/Makefile index 322972fd064e..45435ff589c1 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -67,7 +67,8 @@ USER_CFLAGS := $(patsubst -D__KERNEL__,,$(USER_CFLAGS)) $(ARCH_INCLUDE) \ # in CFLAGS. Otherwise, it would cause ld to complain about the two different # errnos. -CFLAGS += -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask +CFLAGS += -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask \ + -Dmktime=kernel_mktime CFLAGS += $(call cc-option,-fno-unit-at-a-time,) include $(srctree)/$(ARCH_DIR)/Makefile-$(SUBARCH) |