diff options
Diffstat (limited to 'arch')
39 files changed, 1313 insertions, 475 deletions
diff --git a/arch/alpha/math-emu/sfp-util.h b/arch/alpha/math-emu/sfp-util.h index f53707f77455..d4c6ae7fee47 100644 --- a/arch/alpha/math-emu/sfp-util.h +++ b/arch/alpha/math-emu/sfp-util.h @@ -28,8 +28,3 @@ extern unsigned long __udiv_qrnnd (unsigned long *, unsigned long, #define UDIV_NEEDS_NORMALIZATION 1 #define abort() goto bad_insn - -#ifndef __LITTLE_ENDIAN -#define __LITTLE_ENDIAN -1 -#endif -#define __BYTE_ORDER __LITTLE_ENDIAN diff --git a/arch/arm/plat-samsung/include/plat/regs-rtc.h b/arch/arm/plat-samsung/include/plat/regs-rtc.h index d5837cf8e402..65c190d142dd 100644 --- a/arch/arm/plat-samsung/include/plat/regs-rtc.h +++ b/arch/arm/plat-samsung/include/plat/regs-rtc.h @@ -20,6 +20,10 @@ #define S3C2410_RTCCON_CLKSEL (1<<1) #define S3C2410_RTCCON_CNTSEL (1<<2) #define S3C2410_RTCCON_CLKRST (1<<3) +#define S3C64XX_RTCCON_TICEN (1<<8) + +#define S3C64XX_RTCCON_TICMSK (0xF<<7) +#define S3C64XX_RTCCON_TICSHT (7) #define S3C2410_TICNT S3C2410_RTCREG(0x44) #define S3C2410_TICNT_ENABLE (1<<7) diff --git a/arch/frv/include/asm/cache.h b/arch/frv/include/asm/cache.h index 2797163b8f4f..7dc0f0f85b7c 100644 --- a/arch/frv/include/asm/cache.h +++ b/arch/frv/include/asm/cache.h @@ -17,6 +17,8 @@ #define L1_CACHE_SHIFT (CONFIG_FRV_L1_CACHE_SHIFT) #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) +#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES + #define __cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES))) #define ____cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES))) diff --git a/arch/frv/include/asm/gdb-stub.h b/arch/frv/include/asm/gdb-stub.h index 2da716407ff2..e6bedd0cd9a5 100644 --- a/arch/frv/include/asm/gdb-stub.h +++ b/arch/frv/include/asm/gdb-stub.h @@ -12,6 +12,7 @@ #ifndef __ASM_GDB_STUB_H #define __ASM_GDB_STUB_H +#undef GDBSTUB_DEBUG_IO #undef GDBSTUB_DEBUG_PROTOCOL #include <asm/ptrace.h> @@ -108,6 +109,12 @@ extern void gdbstub_printk(const char *fmt, ...); extern void debug_to_serial(const char *p, int n); extern void console_set_baud(unsigned baud); +#ifdef GDBSTUB_DEBUG_IO +#define gdbstub_io(FMT,...) gdbstub_printk(FMT, ##__VA_ARGS__) +#else +#define gdbstub_io(FMT,...) ({ 0; }) +#endif + #ifdef GDBSTUB_DEBUG_PROTOCOL #define gdbstub_proto(FMT,...) gdbstub_printk(FMT,##__VA_ARGS__) #else diff --git a/arch/frv/kernel/gdb-io.c b/arch/frv/kernel/gdb-io.c index c997bccb9221..2ca641d199f8 100644 --- a/arch/frv/kernel/gdb-io.c +++ b/arch/frv/kernel/gdb-io.c @@ -171,11 +171,11 @@ int gdbstub_rx_char(unsigned char *_ch, int nonblock) return -EINTR; } else if (st & (UART_LSR_FE|UART_LSR_OE|UART_LSR_PE)) { - gdbstub_proto("### GDB Rx Error (st=%02x) ###\n",st); + gdbstub_io("### GDB Rx Error (st=%02x) ###\n",st); return -EIO; } else { - gdbstub_proto("### GDB Rx %02x (st=%02x) ###\n",ch,st); + gdbstub_io("### GDB Rx %02x (st=%02x) ###\n",ch,st); *_ch = ch & 0x7f; return 0; } diff --git a/arch/frv/kernel/gdb-stub.c b/arch/frv/kernel/gdb-stub.c index 7ca8a6b19ac9..84d103c33c9c 100644 --- a/arch/frv/kernel/gdb-stub.c +++ b/arch/frv/kernel/gdb-stub.c @@ -1344,6 +1344,44 @@ void gdbstub_get_mmu_state(void) } /* end gdbstub_get_mmu_state() */ +/* + * handle general query commands of the form 'qXXXXX' + */ +static void gdbstub_handle_query(void) +{ + if (strcmp(input_buffer, "qAttached") == 0) { + /* return current thread ID */ + sprintf(output_buffer, "1"); + return; + } + + if (strcmp(input_buffer, "qC") == 0) { + /* return current thread ID */ + sprintf(output_buffer, "QC 0"); + return; + } + + if (strcmp(input_buffer, "qOffsets") == 0) { + /* return relocation offset of text and data segments */ + sprintf(output_buffer, "Text=0;Data=0;Bss=0"); + return; + } + + if (strcmp(input_buffer, "qSymbol::") == 0) { + sprintf(output_buffer, "OK"); + return; + } + + if (strcmp(input_buffer, "qSupported") == 0) { + /* query of supported features */ + sprintf(output_buffer, "PacketSize=%u;ReverseContinue-;ReverseStep-", + sizeof(input_buffer)); + return; + } + + gdbstub_strcpy(output_buffer,"E01"); +} + /*****************************************************************************/ /* * handle event interception and GDB remote protocol processing @@ -1840,6 +1878,10 @@ void gdbstub(int sigval) case 'k' : goto done; /* just continue */ + /* detach */ + case 'D': + gdbstub_strcpy(output_buffer, "OK"); + break; /* reset the whole machine (FIXME: system dependent) */ case 'r': @@ -1852,6 +1894,14 @@ void gdbstub(int sigval) __debug_status.dcr |= DCR_SE; goto done; + /* extended command */ + case 'v': + if (strcmp(input_buffer, "vCont?") == 0) { + output_buffer[0] = 0; + break; + } + goto unsupported_cmd; + /* set baud rate (bBB) */ case 'b': ptr = &input_buffer[1]; @@ -1923,8 +1973,19 @@ void gdbstub(int sigval) gdbstub_strcpy(output_buffer,"OK"); break; + /* Thread-setting packet */ + case 'H': + gdbstub_strcpy(output_buffer, "OK"); + break; + + case 'q': + gdbstub_handle_query(); + break; + default: + unsupported_cmd: gdbstub_proto("### GDB Unsupported Cmd '%s'\n",input_buffer); + gdbstub_strcpy(output_buffer,"E01"); break; } diff --git a/arch/m68k/include/asm/m520xsim.h b/arch/m68k/include/asm/m520xsim.h index ed2b69b96805..db824a4b136e 100644 --- a/arch/m68k/include/asm/m520xsim.h +++ b/arch/m68k/include/asm/m520xsim.h @@ -113,6 +113,7 @@ #define MCF_GPIO_PAR_UART (0xA4036) #define MCF_GPIO_PAR_FECI2C (0xA4033) +#define MCF_GPIO_PAR_QSPI (0xA4034) #define MCF_GPIO_PAR_FEC (0xA4038) #define MCF_GPIO_PAR_UART_PAR_URXD0 (0x0001) diff --git a/arch/m68k/include/asm/m523xsim.h b/arch/m68k/include/asm/m523xsim.h index a34894cf8e6f..e8d06b24a48e 100644 --- a/arch/m68k/include/asm/m523xsim.h +++ b/arch/m68k/include/asm/m523xsim.h @@ -127,5 +127,10 @@ #define MCFGPIO_IRQ_MAX 8 #define MCFGPIO_IRQ_VECBASE MCFINT_VECBASE +/* + * Pin Assignment +*/ +#define MCFGPIO_PAR_QSPI (MCF_IPSBAR + 0x10004A) +#define MCFGPIO_PAR_TIMER (MCF_IPSBAR + 0x10004C) /****************************************************************************/ #endif /* m523xsim_h */ diff --git a/arch/m68k/include/asm/m5249sim.h b/arch/m68k/include/asm/m5249sim.h index 14bce877ed88..79b7b402f3c9 100644 --- a/arch/m68k/include/asm/m5249sim.h +++ b/arch/m68k/include/asm/m5249sim.h @@ -69,10 +69,12 @@ #define MCFSIM_DMA1ICR MCFSIM_ICR7 /* DMA 1 ICR */ #define MCFSIM_DMA2ICR MCFSIM_ICR8 /* DMA 2 ICR */ #define MCFSIM_DMA3ICR MCFSIM_ICR9 /* DMA 3 ICR */ +#define MCFSIM_QSPIICR MCFSIM_ICR10 /* QSPI ICR */ /* * Define system peripheral IRQ usage. */ +#define MCF_IRQ_QSPI 28 /* QSPI, Level 4 */ #define MCF_IRQ_TIMER 30 /* Timer0, Level 6 */ #define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */ diff --git a/arch/m68k/include/asm/m527xsim.h b/arch/m68k/include/asm/m527xsim.h index 453356d72d80..1feb46f108ce 100644 --- a/arch/m68k/include/asm/m527xsim.h +++ b/arch/m68k/include/asm/m527xsim.h @@ -31,6 +31,7 @@ #define MCFINT_UART0 13 /* Interrupt number for UART0 */ #define MCFINT_UART1 14 /* Interrupt number for UART1 */ #define MCFINT_UART2 15 /* Interrupt number for UART2 */ +#define MCFINT_QSPI 18 /* Interrupt number for QSPI */ #define MCFINT_PIT1 36 /* Interrupt number for PIT1 */ /* @@ -120,6 +121,9 @@ #define MCFGPIO_PIN_MAX 100 #define MCFGPIO_IRQ_MAX 8 #define MCFGPIO_IRQ_VECBASE MCFINT_VECBASE + +#define MCFGPIO_PAR_QSPI (MCF_IPSBAR + 0x10004A) +#define MCFGPIO_PAR_TIMER (MCF_IPSBAR + 0x10004C) #endif #ifdef CONFIG_M5275 @@ -212,6 +216,8 @@ #define MCFGPIO_PIN_MAX 148 #define MCFGPIO_IRQ_MAX 8 #define MCFGPIO_IRQ_VECBASE MCFINT_VECBASE + +#define MCFGPIO_PAR_QSPI (MCF_IPSBAR + 0x10007E) #endif /* @@ -223,6 +229,7 @@ #define MCFEPORT_EPPDR (MCF_IPSBAR + 0x130005) + /* * GPIO pins setups to enable the UARTs. */ diff --git a/arch/m68k/include/asm/m528xsim.h b/arch/m68k/include/asm/m528xsim.h index e2ad1f42b657..891cbedad972 100644 --- a/arch/m68k/include/asm/m528xsim.h +++ b/arch/m68k/include/asm/m528xsim.h @@ -29,6 +29,7 @@ #define MCFINT_VECBASE 64 /* Vector base number */ #define MCFINT_UART0 13 /* Interrupt number for UART0 */ +#define MCFINT_QSPI 18 /* Interrupt number for QSPI */ #define MCFINT_PIT1 55 /* Interrupt number for PIT1 */ /* @@ -249,70 +250,4 @@ #define MCF5282_I2C_I2SR_RXAK (0x01) // received acknowledge - -/********************************************************************* -* -* Queued Serial Peripheral Interface (QSPI) Module -* -*********************************************************************/ -/* Derek - 21 Feb 2005 */ -/* change to the format used in I2C */ -/* Read/Write access macros for general use */ -#define MCF5282_QSPI_QMR MCF_IPSBAR + 0x0340 -#define MCF5282_QSPI_QDLYR MCF_IPSBAR + 0x0344 -#define MCF5282_QSPI_QWR MCF_IPSBAR + 0x0348 -#define MCF5282_QSPI_QIR MCF_IPSBAR + 0x034C -#define MCF5282_QSPI_QAR MCF_IPSBAR + 0x0350 -#define MCF5282_QSPI_QDR MCF_IPSBAR + 0x0354 -#define MCF5282_QSPI_QCR MCF_IPSBAR + 0x0354 - -/* Bit level definitions and macros */ -#define MCF5282_QSPI_QMR_MSTR (0x8000) -#define MCF5282_QSPI_QMR_DOHIE (0x4000) -#define MCF5282_QSPI_QMR_BITS_16 (0x0000) -#define MCF5282_QSPI_QMR_BITS_8 (0x2000) -#define MCF5282_QSPI_QMR_BITS_9 (0x2400) -#define MCF5282_QSPI_QMR_BITS_10 (0x2800) -#define MCF5282_QSPI_QMR_BITS_11 (0x2C00) -#define MCF5282_QSPI_QMR_BITS_12 (0x3000) -#define MCF5282_QSPI_QMR_BITS_13 (0x3400) -#define MCF5282_QSPI_QMR_BITS_14 (0x3800) -#define MCF5282_QSPI_QMR_BITS_15 (0x3C00) -#define MCF5282_QSPI_QMR_CPOL (0x0200) -#define MCF5282_QSPI_QMR_CPHA (0x0100) -#define MCF5282_QSPI_QMR_BAUD(x) (((x)&0x00FF)) - -#define MCF5282_QSPI_QDLYR_SPE (0x80) -#define MCF5282_QSPI_QDLYR_QCD(x) (((x)&0x007F)<<8) -#define MCF5282_QSPI_QDLYR_DTL(x) (((x)&0x00FF)) - -#define MCF5282_QSPI_QWR_HALT (0x8000) -#define MCF5282_QSPI_QWR_WREN (0x4000) -#define MCF5282_QSPI_QWR_WRTO (0x2000) -#define MCF5282_QSPI_QWR_CSIV (0x1000) -#define MCF5282_QSPI_QWR_ENDQP(x) (((x)&0x000F)<<8) -#define MCF5282_QSPI_QWR_CPTQP(x) (((x)&0x000F)<<4) -#define MCF5282_QSPI_QWR_NEWQP(x) (((x)&0x000F)) - -#define MCF5282_QSPI_QIR_WCEFB (0x8000) -#define MCF5282_QSPI_QIR_ABRTB (0x4000) -#define MCF5282_QSPI_QIR_ABRTL (0x1000) -#define MCF5282_QSPI_QIR_WCEFE (0x0800) -#define MCF5282_QSPI_QIR_ABRTE (0x0400) -#define MCF5282_QSPI_QIR_SPIFE (0x0100) -#define MCF5282_QSPI_QIR_WCEF (0x0008) -#define MCF5282_QSPI_QIR_ABRT (0x0004) -#define MCF5282_QSPI_QIR_SPIF (0x0001) - -#define MCF5282_QSPI_QAR_ADDR(x) (((x)&0x003F)) - -#define MCF5282_QSPI_QDR_COMMAND(x) (((x)&0xFF00)) -#define MCF5282_QSPI_QCR_DATA(x) (((x)&0x00FF)<<8) -#define MCF5282_QSPI_QCR_CONT (0x8000) -#define MCF5282_QSPI_QCR_BITSE (0x4000) -#define MCF5282_QSPI_QCR_DT (0x2000) -#define MCF5282_QSPI_QCR_DSCK (0x1000) -#define MCF5282_QSPI_QCR_CS (((x)&0x000F)<<8) - -/****************************************************************************/ #endif /* m528xsim_h */ diff --git a/arch/m68k/include/asm/m532xsim.h b/arch/m68k/include/asm/m532xsim.h index 36bf15aec9ae..c4bf1c81e3cf 100644 --- a/arch/m68k/include/asm/m532xsim.h +++ b/arch/m68k/include/asm/m532xsim.h @@ -17,6 +17,7 @@ #define MCFINT_UART0 26 /* Interrupt number for UART0 */ #define MCFINT_UART1 27 /* Interrupt number for UART1 */ #define MCFINT_UART2 28 /* Interrupt number for UART2 */ +#define MCFINT_QSPI 31 /* Interrupt number for QSPI */ #define MCF_WTM_WCR MCF_REG16(0xFC098000) diff --git a/arch/m68k/include/asm/mcfqspi.h b/arch/m68k/include/asm/mcfqspi.h new file mode 100644 index 000000000000..39d90d51111d --- /dev/null +++ b/arch/m68k/include/asm/mcfqspi.h @@ -0,0 +1,64 @@ +/* + * Definitions for Freescale Coldfire QSPI module + * + * Copyright 2010 Steven King <sfking@fdwdc.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 published by the Free Software Foundation. + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * +*/ + +#ifndef mcfqspi_h +#define mcfqspi_h + +#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) +#define MCFQSPI_IOBASE (MCF_IPSBAR + 0x340) +#elif defined(CONFIG_M5249) +#define MCFQSPI_IOBASE (MCF_MBAR + 0x300) +#elif defined(CONFIG_M520x) || defined(CONFIG_M532x) +#define MCFQSPI_IOBASE 0xFC058000 +#endif +#define MCFQSPI_IOSIZE 0x40 + +/** + * struct mcfqspi_cs_control - chip select control for the coldfire qspi driver + * @setup: setup the control; allocate gpio's, etc. May be NULL. + * @teardown: finish with the control; free gpio's, etc. May be NULL. + * @select: output the signals to select the device. Can not be NULL. + * @deselect: output the signals to deselect the device. Can not be NULL. + * + * The QSPI module has 4 hardware chip selects. We don't use them. Instead + * platforms are required to supply a mcfqspi_cs_control as a part of the + * platform data for each QSPI master controller. Only the select and + * deselect functions are required. +*/ +struct mcfqspi_cs_control { + int (*setup)(struct mcfqspi_cs_control *); + void (*teardown)(struct mcfqspi_cs_control *); + void (*select)(struct mcfqspi_cs_control *, u8, bool); + void (*deselect)(struct mcfqspi_cs_control *, u8, bool); +}; + +/** + * struct mcfqspi_platform_data - platform data for the coldfire qspi driver + * @bus_num: board specific identifier for this qspi driver. + * @num_chipselects: number of chip selects supported by this qspi driver. + * @cs_control: platform dependent chip select control. +*/ +struct mcfqspi_platform_data { + s16 bus_num; + u16 num_chipselect; + struct mcfqspi_cs_control *cs_control; +}; + +#endif /* mcfqspi_h */ diff --git a/arch/m68k/include/asm/mcfsmc.h b/arch/m68k/include/asm/mcfsmc.h deleted file mode 100644 index 527bea5d6788..000000000000 --- a/arch/m68k/include/asm/mcfsmc.h +++ /dev/null @@ -1,187 +0,0 @@ -/****************************************************************************/ - -/* - * mcfsmc.h -- SMC ethernet support for ColdFire environments. - * - * (C) Copyright 1999-2002, Greg Ungerer (gerg@snapgear.com) - * (C) Copyright 2000, Lineo Inc. (www.lineo.com) - */ - -/****************************************************************************/ -#ifndef mcfsmc_h -#define mcfsmc_h -/****************************************************************************/ - -/* - * None of the current ColdFire targets that use the SMC91x111 - * allow 8 bit accesses. So this code is 16bit access only. - */ - - -#undef outb -#undef inb -#undef outw -#undef outwd -#undef inw -#undef outl -#undef inl - -#undef outsb -#undef outsw -#undef outsl -#undef insb -#undef insw -#undef insl - -/* - * Re-defines for ColdFire environment... The SMC part is - * mapped into memory space, so remap the PC-style in/out - * routines to handle that. - */ -#define outb smc_outb -#define inb smc_inb -#define outw smc_outw -#define outwd smc_outwd -#define inw smc_inw -#define outl smc_outl -#define inl smc_inl - -#define outsb smc_outsb -#define outsw smc_outsw -#define outsl smc_outsl -#define insb smc_insb -#define insw smc_insw -#define insl smc_insl - - -static inline int smc_inb(unsigned int addr) -{ - register unsigned short w; - w = *((volatile unsigned short *) (addr & ~0x1)); - return(((addr & 0x1) ? w : (w >> 8)) & 0xff); -} - -static inline void smc_outw(unsigned int val, unsigned int addr) -{ - *((volatile unsigned short *) addr) = (val << 8) | (val >> 8); -} - -static inline int smc_inw(unsigned int addr) -{ - register unsigned short w; - w = *((volatile unsigned short *) addr); - return(((w << 8) | (w >> 8)) & 0xffff); -} - -static inline void smc_outl(unsigned long val, unsigned int addr) -{ - *((volatile unsigned long *) addr) = - ((val << 8) & 0xff000000) | ((val >> 8) & 0x00ff0000) | - ((val << 8) & 0x0000ff00) | ((val >> 8) & 0x000000ff); -} - -static inline void smc_outwd(unsigned int val, unsigned int addr) -{ - *((volatile unsigned short *) addr) = val; -} - - -/* - * The rep* functions are used to feed the data port with - * raw data. So we do not byte swap them when copying. - */ - -static inline void smc_insb(unsigned int addr, void *vbuf, int unsigned long len) -{ - volatile unsigned short *rp; - unsigned short *buf, *ebuf; - - buf = (unsigned short *) vbuf; - rp = (volatile unsigned short *) addr; - - /* Copy as words for as long as possible */ - for (ebuf = buf + (len >> 1); (buf < ebuf); ) - *buf++ = *rp; - - /* Lastly, handle left over byte */ - if (len & 0x1) - *((unsigned char *) buf) = (*rp >> 8) & 0xff; -} - -static inline void smc_insw(unsigned int addr, void *vbuf, unsigned long len) -{ - volatile unsigned short *rp; - unsigned short *buf, *ebuf; - - buf = (unsigned short *) vbuf; - rp = (volatile unsigned short *) addr; - for (ebuf = buf + len; (buf < ebuf); ) - *buf++ = *rp; -} - -static inline void smc_insl(unsigned int addr, void *vbuf, unsigned long len) -{ - volatile unsigned long *rp; - unsigned long *buf, *ebuf; - - buf = (unsigned long *) vbuf; - rp = (volatile unsigned long *) addr; - for (ebuf = buf + len; (buf < ebuf); ) - *buf++ = *rp; -} - -static inline void smc_outsw(unsigned int addr, const void *vbuf, unsigned long len) -{ - volatile unsigned short *rp; - unsigned short *buf, *ebuf; - - buf = (unsigned short *) vbuf; - rp = (volatile unsigned short *) addr; - for (ebuf = buf + len; (buf < ebuf); ) - *rp = *buf++; -} - -static inline void smc_outsl(unsigned int addr, void *vbuf, unsigned long len) -{ - volatile unsigned long *rp; - unsigned long *buf, *ebuf; - - buf = (unsigned long *) vbuf; - rp = (volatile unsigned long *) addr; - for (ebuf = buf + len; (buf < ebuf); ) - *rp = *buf++; -} - - -#ifdef CONFIG_NETtel -/* - * Re-map the address space of at least one of the SMC ethernet - * parts. Both parts power up decoding the same address, so we - * need to move one of them first, before doing enything else. - * - * We also increase the number of wait states for this part by one. - */ - -void smc_remap(unsigned int ioaddr) -{ - static int once = 0; - extern unsigned short ppdata; - if (once++ == 0) { - *((volatile unsigned short *)MCFSIM_PADDR) = 0x00ec; - ppdata |= 0x0080; - *((volatile unsigned short *)MCFSIM_PADAT) = ppdata; - outw(0x0001, ioaddr + BANK_SELECT); - outw(0x0001, ioaddr + BANK_SELECT); - outw(0x0067, ioaddr + BASE); - - ppdata &= ~0x0080; - *((volatile unsigned short *)MCFSIM_PADAT) = ppdata; - } - - *((volatile unsigned short *)(MCF_MBAR+MCFSIM_CSCR3)) = 0x1180; -} - -#endif - -/****************************************************************************/ -#endif /* mcfsmc_h */ diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h index cbd3d4751dd2..7a6a7590cc02 100644 --- a/arch/m68k/include/asm/processor.h +++ b/arch/m68k/include/asm/processor.h @@ -44,11 +44,15 @@ static inline void wrusp(unsigned long usp) * User space process size: 3.75GB. This is hardcoded into a few places, * so don't change it unless you know what you are doing. */ +#ifdef CONFIG_MMU #ifndef CONFIG_SUN3 #define TASK_SIZE (0xF0000000UL) #else #define TASK_SIZE (0x0E000000UL) #endif +#else +#define TASK_SIZE (0xFFFFFFFFUL) +#endif #ifdef __KERNEL__ #define STACK_TOP TASK_SIZE diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig index 064f5913db1a..efeb6033fc17 100644 --- a/arch/m68knommu/Kconfig +++ b/arch/m68knommu/Kconfig @@ -566,7 +566,7 @@ config RAMBASE processor address space. config RAMSIZE - hex "Size of RAM (in bytes)" + hex "Size of RAM (in bytes), or 0 for automatic" default "0x400000" help Define the size of the system RAM. If you select 0 then the diff --git a/arch/m68knommu/mm/fault.c b/arch/m68knommu/mm/fault.c index 6f6673cb5829..bc05cf74d9c0 100644 --- a/arch/m68knommu/mm/fault.c +++ b/arch/m68knommu/mm/fault.c @@ -2,7 +2,7 @@ * linux/arch/m68knommu/mm/fault.c * * Copyright (C) 1998 D. Jeff Dionne <jeff@lineo.ca>, - * Copyright (C) 2000 Lineo, Inc. (www.lineo.com) + * Copyright (C) 2000 Lineo, Inc. (www.lineo.com) * * Based on: * @@ -36,7 +36,7 @@ asmlinkage int do_page_fault(struct pt_regs *regs, unsigned long address, unsigned long error_code) { #ifdef DEBUG - printk (KERN_DEBUG "regs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld\n", + printk(KERN_DEBUG "regs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld\n", regs->sr, regs->pc, address, error_code); #endif @@ -44,11 +44,11 @@ asmlinkage int do_page_fault(struct pt_regs *regs, unsigned long address, * Oops. The kernel tried to access some bad page. We'll have to * terminate things with extreme prejudice. */ - if ((unsigned long) address < PAGE_SIZE) { + if ((unsigned long) address < PAGE_SIZE) printk(KERN_ALERT "Unable to handle kernel NULL pointer dereference"); - } else + else printk(KERN_ALERT "Unable to handle kernel access"); - printk(KERN_ALERT " at virtual address %08lx\n",address); + printk(KERN_ALERT " at virtual address %08lx\n", address); die_if_kernel("Oops", regs, error_code); do_exit(SIGKILL); diff --git a/arch/m68knommu/platform/520x/config.c b/arch/m68knommu/platform/520x/config.c index 92614de42cd3..71d2ba474c63 100644 --- a/arch/m68knommu/platform/520x/config.c +++ b/arch/m68knommu/platform/520x/config.c @@ -15,10 +15,13 @@ #include <linux/param.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/spi/spi.h> +#include <linux/gpio.h> #include <asm/machdep.h> #include <asm/coldfire.h> #include <asm/mcfsim.h> #include <asm/mcfuart.h> +#include <asm/mcfqspi.h> /***************************************************************************/ @@ -74,9 +77,152 @@ static struct platform_device m520x_fec = { .resource = m520x_fec_resources, }; +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) +static struct resource m520x_qspi_resources[] = { + { + .start = MCFQSPI_IOBASE, + .end = MCFQSPI_IOBASE + MCFQSPI_IOSIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MCFINT_VECBASE + MCFINT_QSPI, + .end = MCFINT_VECBASE + MCFINT_QSPI, + .flags = IORESOURCE_IRQ, + }, +}; + +#define MCFQSPI_CS0 62 +#define MCFQSPI_CS1 63 +#define MCFQSPI_CS2 44 + +static int m520x_cs_setup(struct mcfqspi_cs_control *cs_control) +{ + int status; + + status = gpio_request(MCFQSPI_CS0, "MCFQSPI_CS0"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS0 failed\n"); + goto fail0; + } + status = gpio_direction_output(MCFQSPI_CS0, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS0 failed\n"); + goto fail1; + } + + status = gpio_request(MCFQSPI_CS1, "MCFQSPI_CS1"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS1 failed\n"); + goto fail1; + } + status = gpio_direction_output(MCFQSPI_CS1, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS1 failed\n"); + goto fail2; + } + + status = gpio_request(MCFQSPI_CS2, "MCFQSPI_CS2"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS2 failed\n"); + goto fail2; + } + status = gpio_direction_output(MCFQSPI_CS2, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS2 failed\n"); + goto fail3; + } + + return 0; + +fail3: + gpio_free(MCFQSPI_CS2); +fail2: + gpio_free(MCFQSPI_CS1); +fail1: + gpio_free(MCFQSPI_CS0); +fail0: + return status; +} + +static void m520x_cs_teardown(struct mcfqspi_cs_control *cs_control) +{ + gpio_free(MCFQSPI_CS2); + gpio_free(MCFQSPI_CS1); + gpio_free(MCFQSPI_CS0); +} + +static void m520x_cs_select(struct mcfqspi_cs_control *cs_control, + u8 chip_select, bool cs_high) +{ + switch (chip_select) { + case 0: + gpio_set_value(MCFQSPI_CS0, cs_high); + break; + case 1: + gpio_set_value(MCFQSPI_CS1, cs_high); + break; + case 2: + gpio_set_value(MCFQSPI_CS2, cs_high); + break; + } +} + +static void m520x_cs_deselect(struct mcfqspi_cs_control *cs_control, + u8 chip_select, bool cs_high) +{ + switch (chip_select) { + case 0: + gpio_set_value(MCFQSPI_CS0, !cs_high); + break; + case 1: + gpio_set_value(MCFQSPI_CS1, !cs_high); + break; + case 2: + gpio_set_value(MCFQSPI_CS2, !cs_high); + break; + } +} + +static struct mcfqspi_cs_control m520x_cs_control = { + .setup = m520x_cs_setup, + .teardown = m520x_cs_teardown, + .select = m520x_cs_select, + .deselect = m520x_cs_deselect, +}; + +static struct mcfqspi_platform_data m520x_qspi_data = { + .bus_num = 0, + .num_chipselect = 3, + .cs_control = &m520x_cs_control, +}; + +static struct platform_device m520x_qspi = { + .name = "mcfqspi", + .id = 0, + .num_resources = ARRAY_SIZE(m520x_qspi_resources), + .resource = m520x_qspi_resources, + .dev.platform_data = &m520x_qspi_data, +}; + +static void __init m520x_qspi_init(void) +{ + u16 par; + /* setup Port QS for QSPI with gpio CS control */ + writeb(0x3f, MCF_IPSBAR + MCF_GPIO_PAR_QSPI); + /* make U1CTS and U2RTS gpio for cs_control */ + par = readw(MCF_IPSBAR + MCF_GPIO_PAR_UART); + par &= 0x00ff; + writew(par, MCF_IPSBAR + MCF_GPIO_PAR_UART); +} +#endif /* defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) */ + + static struct platform_device *m520x_devices[] __initdata = { &m520x_uart, &m520x_fec, +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) + &m520x_qspi, +#endif }; /***************************************************************************/ @@ -147,6 +293,9 @@ void __init config_BSP(char *commandp, int size) mach_reset = m520x_cpu_reset; m520x_uarts_init(); m520x_fec_init(); +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) + m520x_qspi_init(); +#endif } /***************************************************************************/ diff --git a/arch/m68knommu/platform/523x/config.c b/arch/m68knommu/platform/523x/config.c index 6ba84f2aa397..8980f6d7715a 100644 --- a/arch/m68knommu/platform/523x/config.c +++ b/arch/m68knommu/platform/523x/config.c @@ -16,10 +16,13 @@ #include <linux/param.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/spi/spi.h> +#include <linux/gpio.h> #include <asm/machdep.h> #include <asm/coldfire.h> #include <asm/mcfsim.h> #include <asm/mcfuart.h> +#include <asm/mcfqspi.h> /***************************************************************************/ @@ -75,9 +78,173 @@ static struct platform_device m523x_fec = { .resource = m523x_fec_resources, }; +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) +static struct resource m523x_qspi_resources[] = { + { + .start = MCFQSPI_IOBASE, + .end = MCFQSPI_IOBASE + MCFQSPI_IOSIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MCFINT_VECBASE + MCFINT_QSPI, + .end = MCFINT_VECBASE + MCFINT_QSPI, + .flags = IORESOURCE_IRQ, + }, +}; + +#define MCFQSPI_CS0 91 +#define MCFQSPI_CS1 92 +#define MCFQSPI_CS2 103 +#define MCFQSPI_CS3 99 + +static int m523x_cs_setup(struct mcfqspi_cs_control *cs_control) +{ + int status; + + status = gpio_request(MCFQSPI_CS0, "MCFQSPI_CS0"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS0 failed\n"); + goto fail0; + } + status = gpio_direction_output(MCFQSPI_CS0, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS0 failed\n"); + goto fail1; + } + + status = gpio_request(MCFQSPI_CS1, "MCFQSPI_CS1"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS1 failed\n"); + goto fail1; + } + status = gpio_direction_output(MCFQSPI_CS1, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS1 failed\n"); + goto fail2; + } + + status = gpio_request(MCFQSPI_CS2, "MCFQSPI_CS2"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS2 failed\n"); + goto fail2; + } + status = gpio_direction_output(MCFQSPI_CS2, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS2 failed\n"); + goto fail3; + } + + status = gpio_request(MCFQSPI_CS3, "MCFQSPI_CS3"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS3 failed\n"); + goto fail3; + } + status = gpio_direction_output(MCFQSPI_CS3, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS3 failed\n"); + goto fail4; + } + + return 0; + +fail4: + gpio_free(MCFQSPI_CS3); +fail3: + gpio_free(MCFQSPI_CS2); +fail2: + gpio_free(MCFQSPI_CS1); +fail1: + gpio_free(MCFQSPI_CS0); +fail0: + return status; +} + +static void m523x_cs_teardown(struct mcfqspi_cs_control *cs_control) +{ + gpio_free(MCFQSPI_CS3); + gpio_free(MCFQSPI_CS2); + gpio_free(MCFQSPI_CS1); + gpio_free(MCFQSPI_CS0); +} + +static void m523x_cs_select(struct mcfqspi_cs_control *cs_control, + u8 chip_select, bool cs_high) +{ + switch (chip_select) { + case 0: + gpio_set_value(MCFQSPI_CS0, cs_high); + break; + case 1: + gpio_set_value(MCFQSPI_CS1, cs_high); + break; + case 2: + gpio_set_value(MCFQSPI_CS2, cs_high); + break; + case 3: + gpio_set_value(MCFQSPI_CS3, cs_high); + break; + } +} + +static void m523x_cs_deselect(struct mcfqspi_cs_control *cs_control, + u8 chip_select, bool cs_high) +{ + switch (chip_select) { + case 0: + gpio_set_value(MCFQSPI_CS0, !cs_high); + break; + case 1: + gpio_set_value(MCFQSPI_CS1, !cs_high); + break; + case 2: + gpio_set_value(MCFQSPI_CS2, !cs_high); + break; + case 3: + gpio_set_value(MCFQSPI_CS3, !cs_high); + break; + } +} + +static struct mcfqspi_cs_control m523x_cs_control = { + .setup = m523x_cs_setup, + .teardown = m523x_cs_teardown, + .select = m523x_cs_select, + .deselect = m523x_cs_deselect, +}; + +static struct mcfqspi_platform_data m523x_qspi_data = { + .bus_num = 0, + .num_chipselect = 4, + .cs_control = &m523x_cs_control, +}; + +static struct platform_device m523x_qspi = { + .name = "mcfqspi", + .id = 0, + .num_resources = ARRAY_SIZE(m523x_qspi_resources), + .resource = m523x_qspi_resources, + .dev.platform_data = &m523x_qspi_data, +}; + +static void __init m523x_qspi_init(void) +{ + u16 par; + + /* setup QSPS pins for QSPI with gpio CS control */ + writeb(0x1f, MCFGPIO_PAR_QSPI); + /* and CS2 & CS3 as gpio */ + par = readw(MCFGPIO_PAR_TIMER); + par &= 0x3f3f; + writew(par, MCFGPIO_PAR_TIMER); +} +#endif /* defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) */ + static struct platform_device *m523x_devices[] __initdata = { &m523x_uart, &m523x_fec, +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) + &m523x_qspi, +#endif }; /***************************************************************************/ @@ -114,6 +281,9 @@ void __init config_BSP(char *commandp, int size) static int __init init_BSP(void) { m523x_fec_init(); +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) + m523x_qspi_init(); +#endif platform_add_devices(m523x_devices, ARRAY_SIZE(m523x_devices)); return 0; } diff --git a/arch/m68knommu/platform/5249/config.c b/arch/m68knommu/platform/5249/config.c index 646f5ba462fc..ceb31e5744a6 100644 --- a/arch/m68knommu/platform/5249/config.c +++ b/arch/m68knommu/platform/5249/config.c @@ -12,10 +12,13 @@ #include <linux/param.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/spi/spi.h> +#include <linux/gpio.h> #include <asm/machdep.h> #include <asm/coldfire.h> #include <asm/mcfsim.h> #include <asm/mcfuart.h> +#include <asm/mcfqspi.h> /***************************************************************************/ @@ -37,8 +40,196 @@ static struct platform_device m5249_uart = { .dev.platform_data = m5249_uart_platform, }; +#ifdef CONFIG_M5249C3 + +static struct resource m5249_smc91x_resources[] = { + { + .start = 0xe0000300, + .end = 0xe0000300 + 0x100, + .flags = IORESOURCE_MEM, + }, + { + .start = MCFINTC2_GPIOIRQ6, + .end = MCFINTC2_GPIOIRQ6, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device m5249_smc91x = { + .name = "smc91x", + .id = 0, + .num_resources = ARRAY_SIZE(m5249_smc91x_resources), + .resource = m5249_smc91x_resources, +}; + +#endif /* CONFIG_M5249C3 */ + +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) +static struct resource m5249_qspi_resources[] = { + { + .start = MCFQSPI_IOBASE, + .end = MCFQSPI_IOBASE + MCFQSPI_IOSIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MCF_IRQ_QSPI, + .end = MCF_IRQ_QSPI, + .flags = IORESOURCE_IRQ, + }, +}; + +#define MCFQSPI_CS0 29 +#define MCFQSPI_CS1 24 +#define MCFQSPI_CS2 21 +#define MCFQSPI_CS3 22 + +static int m5249_cs_setup(struct mcfqspi_cs_control *cs_control) +{ + int status; + + status = gpio_request(MCFQSPI_CS0, "MCFQSPI_CS0"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS0 failed\n"); + goto fail0; + } + status = gpio_direction_output(MCFQSPI_CS0, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS0 failed\n"); + goto fail1; + } + + status = gpio_request(MCFQSPI_CS1, "MCFQSPI_CS1"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS1 failed\n"); + goto fail1; + } + status = gpio_direction_output(MCFQSPI_CS1, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS1 failed\n"); + goto fail2; + } + + status = gpio_request(MCFQSPI_CS2, "MCFQSPI_CS2"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS2 failed\n"); + goto fail2; + } + status = gpio_direction_output(MCFQSPI_CS2, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS2 failed\n"); + goto fail3; + } + + status = gpio_request(MCFQSPI_CS3, "MCFQSPI_CS3"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS3 failed\n"); + goto fail3; + } + status = gpio_direction_output(MCFQSPI_CS3, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS3 failed\n"); + goto fail4; + } + + return 0; + +fail4: + gpio_free(MCFQSPI_CS3); +fail3: + gpio_free(MCFQSPI_CS2); +fail2: + gpio_free(MCFQSPI_CS1); +fail1: + gpio_free(MCFQSPI_CS0); +fail0: + return status; +} + +static void m5249_cs_teardown(struct mcfqspi_cs_control *cs_control) +{ + gpio_free(MCFQSPI_CS3); + gpio_free(MCFQSPI_CS2); + gpio_free(MCFQSPI_CS1); + gpio_free(MCFQSPI_CS0); +} + +static void m5249_cs_select(struct mcfqspi_cs_control *cs_control, + u8 chip_select, bool cs_high) +{ + switch (chip_select) { + case 0: + gpio_set_value(MCFQSPI_CS0, cs_high); + break; + case 1: + gpio_set_value(MCFQSPI_CS1, cs_high); + break; + case 2: + gpio_set_value(MCFQSPI_CS2, cs_high); + break; + case 3: + gpio_set_value(MCFQSPI_CS3, cs_high); + break; + } +} + +static void m5249_cs_deselect(struct mcfqspi_cs_control *cs_control, + u8 chip_select, bool cs_high) +{ + switch (chip_select) { + case 0: + gpio_set_value(MCFQSPI_CS0, !cs_high); + break; + case 1: + gpio_set_value(MCFQSPI_CS1, !cs_high); + break; + case 2: + gpio_set_value(MCFQSPI_CS2, !cs_high); + break; + case 3: + gpio_set_value(MCFQSPI_CS3, !cs_high); + break; + } +} + +static struct mcfqspi_cs_control m5249_cs_control = { + .setup = m5249_cs_setup, + .teardown = m5249_cs_teardown, + .select = m5249_cs_select, + .deselect = m5249_cs_deselect, +}; + +static struct mcfqspi_platform_data m5249_qspi_data = { + .bus_num = 0, + .num_chipselect = 4, + .cs_control = &m5249_cs_control, +}; + +static struct platform_device m5249_qspi = { + .name = "mcfqspi", + .id = 0, + .num_resources = ARRAY_SIZE(m5249_qspi_resources), + .resource = m5249_qspi_resources, + .dev.platform_data = &m5249_qspi_data, +}; + +static void __init m5249_qspi_init(void) +{ + /* QSPI irq setup */ + writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL4 | MCFSIM_ICR_PRI0, + MCF_MBAR + MCFSIM_QSPIICR); + mcf_mapirq2imr(MCF_IRQ_QSPI, MCFINTC_QSPI); +} +#endif /* defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) */ + + static struct platform_device *m5249_devices[] __initdata = { &m5249_uart, +#ifdef CONFIG_M5249C3 + &m5249_smc91x, +#endif +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) + &m5249_qspi, +#endif }; /***************************************************************************/ @@ -67,6 +258,24 @@ static void __init m5249_uarts_init(void) /***************************************************************************/ +#ifdef CONFIG_M5249C3 + +static void __init m5249_smc91x_init(void) +{ + u32 gpio; + + /* Set the GPIO line as interrupt source for smc91x device */ + gpio = readl(MCF_MBAR2 + MCFSIM2_GPIOINTENABLE); + writel(gpio | 0x40, MCF_MBAR2 + MCFSIM2_GPIOINTENABLE); + + gpio = readl(MCF_MBAR2 + MCFSIM2_INTLEVEL5); + writel(gpio | 0x04000000, MCF_MBAR2 + MCFSIM2_INTLEVEL5); +} + +#endif /* CONFIG_M5249C3 */ + +/***************************************************************************/ + static void __init m5249_timers_init(void) { /* Timer1 is always used as system timer */ @@ -100,6 +309,12 @@ void __init config_BSP(char *commandp, int size) mach_reset = m5249_cpu_reset; m5249_timers_init(); m5249_uarts_init(); +#ifdef CONFIG_M5249C3 + m5249_smc91x_init(); +#endif +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) + m5249_qspi_init(); +#endif } /***************************************************************************/ diff --git a/arch/m68knommu/platform/527x/config.c b/arch/m68knommu/platform/527x/config.c index fa51be172830..3d9c35c98b98 100644 --- a/arch/m68knommu/platform/527x/config.c +++ b/arch/m68knommu/platform/527x/config.c @@ -16,10 +16,13 @@ #include <linux/param.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/spi/spi.h> +#include <linux/gpio.h> #include <asm/machdep.h> #include <asm/coldfire.h> #include <asm/mcfsim.h> #include <asm/mcfuart.h> +#include <asm/mcfqspi.h> /***************************************************************************/ @@ -106,12 +109,188 @@ static struct platform_device m527x_fec[] = { }, }; +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) +static struct resource m527x_qspi_resources[] = { + { + .start = MCFQSPI_IOBASE, + .end = MCFQSPI_IOBASE + MCFQSPI_IOSIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MCFINT_VECBASE + MCFINT_QSPI, + .end = MCFINT_VECBASE + MCFINT_QSPI, + .flags = IORESOURCE_IRQ, + }, +}; + +#if defined(CONFIG_M5271) +#define MCFQSPI_CS0 91 +#define MCFQSPI_CS1 92 +#define MCFQSPI_CS2 99 +#define MCFQSPI_CS3 103 +#elif defined(CONFIG_M5275) +#define MCFQSPI_CS0 59 +#define MCFQSPI_CS1 60 +#define MCFQSPI_CS2 61 +#define MCFQSPI_CS3 62 +#endif + +static int m527x_cs_setup(struct mcfqspi_cs_control *cs_control) +{ + int status; + + status = gpio_request(MCFQSPI_CS0, "MCFQSPI_CS0"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS0 failed\n"); + goto fail0; + } + status = gpio_direction_output(MCFQSPI_CS0, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS0 failed\n"); + goto fail1; + } + + status = gpio_request(MCFQSPI_CS1, "MCFQSPI_CS1"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS1 failed\n"); + goto fail1; + } + status = gpio_direction_output(MCFQSPI_CS1, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS1 failed\n"); + goto fail2; + } + + status = gpio_request(MCFQSPI_CS2, "MCFQSPI_CS2"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS2 failed\n"); + goto fail2; + } + status = gpio_direction_output(MCFQSPI_CS2, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS2 failed\n"); + goto fail3; + } + + status = gpio_request(MCFQSPI_CS3, "MCFQSPI_CS3"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS3 failed\n"); + goto fail3; + } + status = gpio_direction_output(MCFQSPI_CS3, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS3 failed\n"); + goto fail4; + } + + return 0; + +fail4: + gpio_free(MCFQSPI_CS3); +fail3: + gpio_free(MCFQSPI_CS2); +fail2: + gpio_free(MCFQSPI_CS1); +fail1: + gpio_free(MCFQSPI_CS0); +fail0: + return status; +} + +static void m527x_cs_teardown(struct mcfqspi_cs_control *cs_control) +{ + gpio_free(MCFQSPI_CS3); + gpio_free(MCFQSPI_CS2); + gpio_free(MCFQSPI_CS1); + gpio_free(MCFQSPI_CS0); +} + +static void m527x_cs_select(struct mcfqspi_cs_control *cs_control, + u8 chip_select, bool cs_high) +{ + switch (chip_select) { + case 0: + gpio_set_value(MCFQSPI_CS0, cs_high); + break; + case 1: + gpio_set_value(MCFQSPI_CS1, cs_high); + break; + case 2: + gpio_set_value(MCFQSPI_CS2, cs_high); + break; + case 3: + gpio_set_value(MCFQSPI_CS3, cs_high); + break; + } +} + +static void m527x_cs_deselect(struct mcfqspi_cs_control *cs_control, + u8 chip_select, bool cs_high) +{ + switch (chip_select) { + case 0: + gpio_set_value(MCFQSPI_CS0, !cs_high); + break; + case 1: + gpio_set_value(MCFQSPI_CS1, !cs_high); + break; + case 2: + gpio_set_value(MCFQSPI_CS2, !cs_high); + break; + case 3: + gpio_set_value(MCFQSPI_CS3, !cs_high); + break; + } +} + +static struct mcfqspi_cs_control m527x_cs_control = { + .setup = m527x_cs_setup, + .teardown = m527x_cs_teardown, + .select = m527x_cs_select, + .deselect = m527x_cs_deselect, +}; + +static struct mcfqspi_platform_data m527x_qspi_data = { + .bus_num = 0, + .num_chipselect = 4, + .cs_control = &m527x_cs_control, +}; + +static struct platform_device m527x_qspi = { + .name = "mcfqspi", + .id = 0, + .num_resources = ARRAY_SIZE(m527x_qspi_resources), + .resource = m527x_qspi_resources, + .dev.platform_data = &m527x_qspi_data, +}; + +static void __init m527x_qspi_init(void) +{ +#if defined(CONFIG_M5271) + u16 par; + + /* setup QSPS pins for QSPI with gpio CS control */ + writeb(0x1f, MCFGPIO_PAR_QSPI); + /* and CS2 & CS3 as gpio */ + par = readw(MCFGPIO_PAR_TIMER); + par &= 0x3f3f; + writew(par, MCFGPIO_PAR_TIMER); +#elif defined(CONFIG_M5275) + /* setup QSPS pins for QSPI with gpio CS control */ + writew(0x003e, MCFGPIO_PAR_QSPI); +#endif +} +#endif /* defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) */ + static struct platform_device *m527x_devices[] __initdata = { &m527x_uart, &m527x_fec[0], #ifdef CONFIG_FEC2 &m527x_fec[1], #endif +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) + &m527x_qspi, +#endif }; /***************************************************************************/ @@ -187,6 +366,9 @@ void __init config_BSP(char *commandp, int size) mach_reset = m527x_cpu_reset; m527x_uarts_init(); m527x_fec_init(); +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) + m527x_qspi_init(); +#endif } /***************************************************************************/ diff --git a/arch/m68knommu/platform/528x/config.c b/arch/m68knommu/platform/528x/config.c index 6e608d1836f1..76b743343bfa 100644 --- a/arch/m68knommu/platform/528x/config.c +++ b/arch/m68knommu/platform/528x/config.c @@ -17,10 +17,13 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/spi/spi.h> +#include <linux/gpio.h> #include <asm/machdep.h> #include <asm/coldfire.h> #include <asm/mcfsim.h> #include <asm/mcfuart.h> +#include <asm/mcfqspi.h> /***************************************************************************/ @@ -76,10 +79,141 @@ static struct platform_device m528x_fec = { .resource = m528x_fec_resources, }; +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) +static struct resource m528x_qspi_resources[] = { + { + .start = MCFQSPI_IOBASE, + .end = MCFQSPI_IOBASE + MCFQSPI_IOSIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MCFINT_VECBASE + MCFINT_QSPI, + .end = MCFINT_VECBASE + MCFINT_QSPI, + .flags = IORESOURCE_IRQ, + }, +}; + +#define MCFQSPI_CS0 147 +#define MCFQSPI_CS1 148 +#define MCFQSPI_CS2 149 +#define MCFQSPI_CS3 150 + +static int m528x_cs_setup(struct mcfqspi_cs_control *cs_control) +{ + int status; + + status = gpio_request(MCFQSPI_CS0, "MCFQSPI_CS0"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS0 failed\n"); + goto fail0; + } + status = gpio_direction_output(MCFQSPI_CS0, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS0 failed\n"); + goto fail1; + } + + status = gpio_request(MCFQSPI_CS1, "MCFQSPI_CS1"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS1 failed\n"); + goto fail1; + } + status = gpio_direction_output(MCFQSPI_CS1, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS1 failed\n"); + goto fail2; + } + + status = gpio_request(MCFQSPI_CS2, "MCFQSPI_CS2"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS2 failed\n"); + goto fail2; + } + status = gpio_direction_output(MCFQSPI_CS2, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS2 failed\n"); + goto fail3; + } + + status = gpio_request(MCFQSPI_CS3, "MCFQSPI_CS3"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS3 failed\n"); + goto fail3; + } + status = gpio_direction_output(MCFQSPI_CS3, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS3 failed\n"); + goto fail4; + } + + return 0; + +fail4: + gpio_free(MCFQSPI_CS3); +fail3: + gpio_free(MCFQSPI_CS2); +fail2: + gpio_free(MCFQSPI_CS1); +fail1: + gpio_free(MCFQSPI_CS0); +fail0: + return status; +} + +static void m528x_cs_teardown(struct mcfqspi_cs_control *cs_control) +{ + gpio_free(MCFQSPI_CS3); + gpio_free(MCFQSPI_CS2); + gpio_free(MCFQSPI_CS1); + gpio_free(MCFQSPI_CS0); +} + +static void m528x_cs_select(struct mcfqspi_cs_control *cs_control, + u8 chip_select, bool cs_high) +{ + gpio_set_value(MCFQSPI_CS0 + chip_select, cs_high); +} + +static void m528x_cs_deselect(struct mcfqspi_cs_control *cs_control, + u8 chip_select, bool cs_high) +{ + gpio_set_value(MCFQSPI_CS0 + chip_select, !cs_high); +} + +static struct mcfqspi_cs_control m528x_cs_control = { + .setup = m528x_cs_setup, + .teardown = m528x_cs_teardown, + .select = m528x_cs_select, + .deselect = m528x_cs_deselect, +}; + +static struct mcfqspi_platform_data m528x_qspi_data = { + .bus_num = 0, + .num_chipselect = 4, + .cs_control = &m528x_cs_control, +}; + +static struct platform_device m528x_qspi = { + .name = "mcfqspi", + .id = 0, + .num_resources = ARRAY_SIZE(m528x_qspi_resources), + .resource = m528x_qspi_resources, + .dev.platform_data = &m528x_qspi_data, +}; + +static void __init m528x_qspi_init(void) +{ + /* setup Port QS for QSPI with gpio CS control */ + __raw_writeb(0x07, MCFGPIO_PQSPAR); +} +#endif /* defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) */ static struct platform_device *m528x_devices[] __initdata = { &m528x_uart, &m528x_fec, +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) + &m528x_qspi, +#endif }; /***************************************************************************/ @@ -174,6 +308,9 @@ static int __init init_BSP(void) mach_reset = m528x_cpu_reset; m528x_uarts_init(); m528x_fec_init(); +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) + m528x_qspi_init(); +#endif platform_add_devices(m528x_devices, ARRAY_SIZE(m528x_devices)); return 0; } diff --git a/arch/m68knommu/platform/5307/Makefile b/arch/m68knommu/platform/5307/Makefile index 667db6598451..6de526976828 100644 --- a/arch/m68knommu/platform/5307/Makefile +++ b/arch/m68knommu/platform/5307/Makefile @@ -14,5 +14,7 @@ asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 -obj-y += config.o gpio.o +obj-y += config.o gpio.o +obj-$(CONFIG_NETtel) += nettel.o +obj-$(CONFIG_CLEOPATRA) += nettel.o diff --git a/arch/m68knommu/platform/5307/nettel.c b/arch/m68knommu/platform/5307/nettel.c new file mode 100644 index 000000000000..e925ea4602f8 --- /dev/null +++ b/arch/m68knommu/platform/5307/nettel.c @@ -0,0 +1,153 @@ +/***************************************************************************/ + +/* + * nettel.c -- startup code support for the NETtel boards + * + * Copyright (C) 2009, Greg Ungerer (gerg@snapgear.com) + */ + +/***************************************************************************/ + +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/platform_device.h> +#include <asm/coldfire.h> +#include <asm/mcfsim.h> +#include <asm/nettel.h> + +/***************************************************************************/ + +/* + * Define the IO and interrupt resources of the 2 SMC9196 interfaces. + */ +#define NETTEL_SMC0_ADDR 0x30600300 +#define NETTEL_SMC0_IRQ 29 + +#define NETTEL_SMC1_ADDR 0x30600000 +#define NETTEL_SMC1_IRQ 27 + +/* + * We need some access into the SMC9196 registers. Define those registers + * we will need here (including the smc91x.h doesn't seem to give us these + * in a simple form). + */ +#define SMC91xx_BANKSELECT 14 +#define SMC91xx_BASEADDR 2 +#define SMC91xx_BASEMAC 4 + +/***************************************************************************/ + +static struct resource nettel_smc91x_0_resources[] = { + { + .start = NETTEL_SMC0_ADDR, + .end = NETTEL_SMC0_ADDR + 0x20, + .flags = IORESOURCE_MEM, + }, + { + .start = NETTEL_SMC0_IRQ, + .end = NETTEL_SMC0_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource nettel_smc91x_1_resources[] = { + { + .start = NETTEL_SMC1_ADDR, + .end = NETTEL_SMC1_ADDR + 0x20, + .flags = IORESOURCE_MEM, + }, + { + .start = NETTEL_SMC1_IRQ, + .end = NETTEL_SMC1_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device nettel_smc91x[] = { + { + .name = "smc91x", + .id = 0, + .num_resources = ARRAY_SIZE(nettel_smc91x_0_resources), + .resource = nettel_smc91x_0_resources, + }, + { + .name = "smc91x", + .id = 1, + .num_resources = ARRAY_SIZE(nettel_smc91x_1_resources), + .resource = nettel_smc91x_1_resources, + }, +}; + +static struct platform_device *nettel_devices[] __initdata = { + &nettel_smc91x[0], + &nettel_smc91x[1], +}; + +/***************************************************************************/ + +static u8 nettel_macdefault[] __initdata = { + 0x00, 0xd0, 0xcf, 0x00, 0x00, 0x01, +}; + +/* + * Set flash contained MAC address into SMC9196 core. Make sure the flash + * MAC address is sane, and not an empty flash. If no good use the Moreton + * Bay default MAC address instead. + */ + +static void __init nettel_smc91x_setmac(unsigned int ioaddr, unsigned int flashaddr) +{ + u16 *macp; + + macp = (u16 *) flashaddr; + if ((macp[0] == 0xffff) && (macp[1] == 0xffff) && (macp[2] == 0xffff)) + macp = (u16 *) &nettel_macdefault[0]; + + writew(1, NETTEL_SMC0_ADDR + SMC91xx_BANKSELECT); + writew(macp[0], ioaddr + SMC91xx_BASEMAC); + writew(macp[1], ioaddr + SMC91xx_BASEMAC + 2); + writew(macp[2], ioaddr + SMC91xx_BASEMAC + 4); +} + +/***************************************************************************/ + +/* + * Re-map the address space of at least one of the SMC ethernet + * parts. Both parts power up decoding the same address, so we + * need to move one of them first, before doing anything else. + */ + +static void __init nettel_smc91x_init(void) +{ + writew(0x00ec, MCF_MBAR + MCFSIM_PADDR); + mcf_setppdata(0, 0x0080); + writew(1, NETTEL_SMC0_ADDR + SMC91xx_BANKSELECT); + writew(0x0067, NETTEL_SMC0_ADDR + SMC91xx_BASEADDR); + mcf_setppdata(0x0080, 0); + + /* Set correct chip select timing for SMC9196 accesses */ + writew(0x1180, MCF_MBAR + MCFSIM_CSCR3); + + /* Set the SMC interrupts to be auto-vectored */ + mcf_autovector(NETTEL_SMC0_IRQ); + mcf_autovector(NETTEL_SMC1_IRQ); + + /* Set MAC addresses from flash for both interfaces */ + nettel_smc91x_setmac(NETTEL_SMC0_ADDR, 0xf0006000); + nettel_smc91x_setmac(NETTEL_SMC1_ADDR, 0xf0006006); +} + +/***************************************************************************/ + +static int __init init_nettel(void) +{ + nettel_smc91x_init(); + platform_add_devices(nettel_devices, ARRAY_SIZE(nettel_devices)); + return 0; +} + +arch_initcall(init_nettel); + +/***************************************************************************/ diff --git a/arch/m68knommu/platform/532x/config.c b/arch/m68knommu/platform/532x/config.c index d632948e64e5..ca51323f957b 100644 --- a/arch/m68knommu/platform/532x/config.c +++ b/arch/m68knommu/platform/532x/config.c @@ -21,12 +21,15 @@ #include <linux/param.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/spi/spi.h> +#include <linux/gpio.h> #include <asm/machdep.h> #include <asm/coldfire.h> #include <asm/mcfsim.h> #include <asm/mcfuart.h> #include <asm/mcfdma.h> #include <asm/mcfwdebug.h> +#include <asm/mcfqspi.h> /***************************************************************************/ @@ -82,9 +85,127 @@ static struct platform_device m532x_fec = { .resource = m532x_fec_resources, }; +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) +static struct resource m532x_qspi_resources[] = { + { + .start = MCFQSPI_IOBASE, + .end = MCFQSPI_IOBASE + MCFQSPI_IOSIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MCFINT_VECBASE + MCFINT_QSPI, + .end = MCFINT_VECBASE + MCFINT_QSPI, + .flags = IORESOURCE_IRQ, + }, +}; + +#define MCFQSPI_CS0 84 +#define MCFQSPI_CS1 85 +#define MCFQSPI_CS2 86 + +static int m532x_cs_setup(struct mcfqspi_cs_control *cs_control) +{ + int status; + + status = gpio_request(MCFQSPI_CS0, "MCFQSPI_CS0"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS0 failed\n"); + goto fail0; + } + status = gpio_direction_output(MCFQSPI_CS0, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS0 failed\n"); + goto fail1; + } + + status = gpio_request(MCFQSPI_CS1, "MCFQSPI_CS1"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS1 failed\n"); + goto fail1; + } + status = gpio_direction_output(MCFQSPI_CS1, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS1 failed\n"); + goto fail2; + } + + status = gpio_request(MCFQSPI_CS2, "MCFQSPI_CS2"); + if (status) { + pr_debug("gpio_request for MCFQSPI_CS2 failed\n"); + goto fail2; + } + status = gpio_direction_output(MCFQSPI_CS2, 1); + if (status) { + pr_debug("gpio_direction_output for MCFQSPI_CS2 failed\n"); + goto fail3; + } + + return 0; + +fail3: + gpio_free(MCFQSPI_CS2); +fail2: + gpio_free(MCFQSPI_CS1); +fail1: + gpio_free(MCFQSPI_CS0); +fail0: + return status; +} + +static void m532x_cs_teardown(struct mcfqspi_cs_control *cs_control) +{ + gpio_free(MCFQSPI_CS2); + gpio_free(MCFQSPI_CS1); + gpio_free(MCFQSPI_CS0); +} + +static void m532x_cs_select(struct mcfqspi_cs_control *cs_control, + u8 chip_select, bool cs_high) +{ + gpio_set_value(MCFQSPI_CS0 + chip_select, cs_high); +} + +static void m532x_cs_deselect(struct mcfqspi_cs_control *cs_control, + u8 chip_select, bool cs_high) +{ + gpio_set_value(MCFQSPI_CS0 + chip_select, !cs_high); +} + +static struct mcfqspi_cs_control m532x_cs_control = { + .setup = m532x_cs_setup, + .teardown = m532x_cs_teardown, + .select = m532x_cs_select, + .deselect = m532x_cs_deselect, +}; + +static struct mcfqspi_platform_data m532x_qspi_data = { + .bus_num = 0, + .num_chipselect = 3, + .cs_control = &m532x_cs_control, +}; + +static struct platform_device m532x_qspi = { + .name = "mcfqspi", + .id = 0, + .num_resources = ARRAY_SIZE(m532x_qspi_resources), + .resource = m532x_qspi_resources, + .dev.platform_data = &m532x_qspi_data, +}; + +static void __init m532x_qspi_init(void) +{ + /* setup QSPS pins for QSPI with gpio CS control */ + writew(0x01f0, MCF_GPIO_PAR_QSPI); +} +#endif /* defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) */ + + static struct platform_device *m532x_devices[] __initdata = { &m532x_uart, &m532x_fec, +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) + &m532x_qspi, +#endif }; /***************************************************************************/ @@ -158,6 +279,9 @@ static int __init init_BSP(void) { m532x_uarts_init(); m532x_fec_init(); +#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) + m532x_qspi_init(); +#endif platform_add_devices(m532x_devices, ARRAY_SIZE(m532x_devices)); return 0; } diff --git a/arch/m68knommu/platform/68360/commproc.c b/arch/m68knommu/platform/68360/commproc.c index 6acb8d294cb6..f27e688c404e 100644 --- a/arch/m68knommu/platform/68360/commproc.c +++ b/arch/m68knommu/platform/68360/commproc.c @@ -110,7 +110,7 @@ void m360_cpm_reset() /* pte = find_pte(&init_mm, host_page_addr); */ /* pte_val(*pte) |= _PAGE_NO_CACHE; */ /* flush_tlb_page(current->mm->mmap, host_buffer); */ - + /* Tell everyone where the comm processor resides. */ /* cpmp = (cpm360_t *)commproc; */ @@ -191,7 +191,7 @@ cpm_interrupt(int irq, void * dev, struct pt_regs * regs) */ ((immap_t *)IMAP_ADDR)->im_cpic.cpic_cisr |= (1 << vec); #endif - + } /* The CPM can generate the error interrupt when there is a race condition diff --git a/arch/mn10300/include/asm/atomic.h b/arch/mn10300/include/asm/atomic.h index e41222d6c2fd..f0cc1f84a72f 100644 --- a/arch/mn10300/include/asm/atomic.h +++ b/arch/mn10300/include/asm/atomic.h @@ -1,157 +1 @@ -/* MN10300 Atomic counter operations - * - * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. - */ -#ifndef _ASM_ATOMIC_H -#define _ASM_ATOMIC_H - -#ifdef CONFIG_SMP -#error not SMP safe -#endif - -/* - * Atomic operations that C can't guarantee us. Useful for - * resource counting etc.. - */ - -#define ATOMIC_INIT(i) { (i) } - -#ifdef __KERNEL__ - -/** - * atomic_read - read atomic variable - * @v: pointer of type atomic_t - * - * Atomically reads the value of @v. Note that the guaranteed - * useful range of an atomic_t is only 24 bits. - */ -#define atomic_read(v) (*(volatile int *)&(v)->counter) - -/** - * atomic_set - set atomic variable - * @v: pointer of type atomic_t - * @i: required value - * - * Atomically sets the value of @v to @i. Note that the guaranteed - * useful range of an atomic_t is only 24 bits. - */ -#define atomic_set(v, i) (((v)->counter) = (i)) - -#include <asm/system.h> - -/** - * atomic_add_return - add integer to atomic variable - * @i: integer value to add - * @v: pointer of type atomic_t - * - * Atomically adds @i to @v and returns the result - * Note that the guaranteed useful range of an atomic_t is only 24 bits. - */ -static inline int atomic_add_return(int i, atomic_t *v) -{ - unsigned long flags; - int temp; - - local_irq_save(flags); - temp = v->counter; - temp += i; - v->counter = temp; - local_irq_restore(flags); - - return temp; -} - -/** - * atomic_sub_return - subtract integer from atomic variable - * @i: integer value to subtract - * @v: pointer of type atomic_t - * - * Atomically subtracts @i from @v and returns the result - * Note that the guaranteed useful range of an atomic_t is only 24 bits. - */ -static inline int atomic_sub_return(int i, atomic_t *v) -{ - unsigned long flags; - int temp; - - local_irq_save(flags); - temp = v->counter; - temp -= i; - v->counter = temp; - local_irq_restore(flags); - - return temp; -} - -static inline int atomic_add_negative(int i, atomic_t *v) -{ - return atomic_add_return(i, v) < 0; -} - -static inline void atomic_add(int i, atomic_t *v) -{ - atomic_add_return(i, v); -} - -static inline void atomic_sub(int i, atomic_t *v) -{ - atomic_sub_return(i, v); -} - -static inline void atomic_inc(atomic_t *v) -{ - atomic_add_return(1, v); -} - -static inline void atomic_dec(atomic_t *v) -{ - atomic_sub_return(1, v); -} - -#define atomic_dec_return(v) atomic_sub_return(1, (v)) -#define atomic_inc_return(v) atomic_add_return(1, (v)) - -#define atomic_sub_and_test(i, v) (atomic_sub_return((i), (v)) == 0) -#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0) -#define atomic_inc_and_test(v) (atomic_add_return(1, (v)) == 0) - -#define atomic_add_unless(v, a, u) \ -({ \ - int c, old; \ - c = atomic_read(v); \ - while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ - c = old; \ - c != (u); \ -}) - -#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) - -static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) -{ - unsigned long flags; - - mask = ~mask; - local_irq_save(flags); - *addr &= mask; - local_irq_restore(flags); -} - -#define atomic_xchg(ptr, v) (xchg(&(ptr)->counter, (v))) -#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new))) - -/* Atomic operations are already serializing on MN10300??? */ -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() - -#include <asm-generic/atomic-long.h> - -#endif /* __KERNEL__ */ -#endif /* _ASM_ATOMIC_H */ +#include <asm-generic/atomic.h> diff --git a/arch/mn10300/include/asm/cache.h b/arch/mn10300/include/asm/cache.h index e03cfa2e997e..6e2fe28dde4e 100644 --- a/arch/mn10300/include/asm/cache.h +++ b/arch/mn10300/include/asm/cache.h @@ -21,6 +21,8 @@ #define L1_CACHE_DISPARITY L1_CACHE_NENTRIES * L1_CACHE_BYTES #endif +#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES + /* data cache purge registers * - read from the register to unconditionally purge that cache line * - write address & 0xffffff00 to conditionally purge that cache line diff --git a/arch/powerpc/include/asm/sfp-machine.h b/arch/powerpc/include/asm/sfp-machine.h index 3a7a67a0d006..8b8fab91ad1e 100644 --- a/arch/powerpc/include/asm/sfp-machine.h +++ b/arch/powerpc/include/asm/sfp-machine.h @@ -353,12 +353,6 @@ #define abort() \ return 0 -#ifdef __BIG_ENDIAN -#define __BYTE_ORDER __BIG_ENDIAN -#else -#define __BYTE_ORDER __LITTLE_ENDIAN -#endif - /* Exception flags. */ #define EFLAG_INVALID (1 << (31 - 2)) #define EFLAG_OVERFLOW (1 << (31 - 3)) diff --git a/arch/s390/include/asm/sfp-util.h b/arch/s390/include/asm/sfp-util.h index 0addc6466d95..7d43fee17e32 100644 --- a/arch/s390/include/asm/sfp-util.h +++ b/arch/s390/include/asm/sfp-util.h @@ -73,5 +73,3 @@ extern unsigned long __udiv_qrnnd (unsigned int *, unsigned int, #define UDIV_NEEDS_NORMALIZATION 0 #define abort() return 0 - -#define __BYTE_ORDER __BIG_ENDIAN diff --git a/arch/sh/math-emu/sfp-util.h b/arch/sh/math-emu/sfp-util.h index 8ae1bd310ad0..e8526021892f 100644 --- a/arch/sh/math-emu/sfp-util.h +++ b/arch/sh/math-emu/sfp-util.h @@ -66,7 +66,3 @@ } while (0) #define abort() return 0 - -#define __BYTE_ORDER __LITTLE_ENDIAN - - diff --git a/arch/sparc/math-emu/sfp-util_32.h b/arch/sparc/math-emu/sfp-util_32.h index d1b2aff3c259..0ea35afbb914 100644 --- a/arch/sparc/math-emu/sfp-util_32.h +++ b/arch/sparc/math-emu/sfp-util_32.h @@ -107,9 +107,3 @@ #define abort() \ return 0 - -#ifdef __BIG_ENDIAN -#define __BYTE_ORDER __BIG_ENDIAN -#else -#define __BYTE_ORDER __LITTLE_ENDIAN -#endif diff --git a/arch/sparc/math-emu/sfp-util_64.h b/arch/sparc/math-emu/sfp-util_64.h index 425d3cf01af4..d17c9bc72181 100644 --- a/arch/sparc/math-emu/sfp-util_64.h +++ b/arch/sparc/math-emu/sfp-util_64.h @@ -112,9 +112,3 @@ #define abort() \ return 0 - -#ifdef __BIG_ENDIAN -#define __BYTE_ORDER __BIG_ENDIAN -#else -#define __BYTE_ORDER __LITTLE_ENDIAN -#endif diff --git a/arch/x86/boot/compressed/relocs.c b/arch/x86/boot/compressed/relocs.c index 89bbf4e4d05d..7b1aaa20c7b5 100644 --- a/arch/x86/boot/compressed/relocs.c +++ b/arch/x86/boot/compressed/relocs.c @@ -195,11 +195,11 @@ static const char *sym_name(const char *sym_strtab, Elf32_Sym *sym) -#if BYTE_ORDER == LITTLE_ENDIAN +#if __BYTE_ORDER == __LITTLE_ENDIAN #define le16_to_cpu(val) (val) #define le32_to_cpu(val) (val) #endif -#if BYTE_ORDER == BIG_ENDIAN +#if __BYTE_ORDER == __BIG_ENDIAN #define le16_to_cpu(val) bswap_16(val) #define le32_to_cpu(val) bswap_32(val) #endif diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index f9324851eba0..b49d8ca228f6 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -236,6 +236,8 @@ #define MSR_IA32_MISC_ENABLE 0x000001a0 +#define MSR_IA32_TEMPERATURE_TARGET 0x000001a2 + /* MISC_ENABLE bits: architectural */ #define MSR_IA32_MISC_ENABLE_FAST_STRING (1ULL << 0) #define MSR_IA32_MISC_ENABLE_TCC (1ULL << 1) diff --git a/arch/xtensa/include/asm/cache.h b/arch/xtensa/include/asm/cache.h index f04c9891142f..ed8cd3cbd499 100644 --- a/arch/xtensa/include/asm/cache.h +++ b/arch/xtensa/include/asm/cache.h @@ -29,5 +29,6 @@ # define CACHE_WAY_SIZE ICACHE_WAY_SIZE #endif +#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES #endif /* _XTENSA_CACHE_H */ diff --git a/arch/xtensa/include/asm/hardirq.h b/arch/xtensa/include/asm/hardirq.h index 87cb19d1b10c..26664cef8f11 100644 --- a/arch/xtensa/include/asm/hardirq.h +++ b/arch/xtensa/include/asm/hardirq.h @@ -11,18 +11,9 @@ #ifndef _XTENSA_HARDIRQ_H #define _XTENSA_HARDIRQ_H -#include <linux/cache.h> -#include <asm/irq.h> - -/* headers.S is sensitive to the offsets of these fields */ -typedef struct { - unsigned int __softirq_pending; - unsigned int __syscall_count; - struct task_struct * __ksoftirqd_task; /* waitqueue is too large */ - unsigned int __nmi_count; /* arch dependent */ -} ____cacheline_aligned irq_cpustat_t; - void ack_bad_irq(unsigned int irq); -#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ +#define ack_bad_irq ack_bad_irq + +#include <asm-generic/hardirq.h> #endif /* _XTENSA_HARDIRQ_H */ diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c index 8cd38484e130..c64a5d387de5 100644 --- a/arch/xtensa/kernel/irq.c +++ b/arch/xtensa/kernel/irq.c @@ -27,15 +27,6 @@ static unsigned int cached_irq_mask; atomic_t irq_err_count; /* - * 'what should we do if we get a hw irq event on an illegal vector'. - * each architecture has to answer this themselves. - */ -void ack_bad_irq(unsigned int irq) -{ - printk("unexpected IRQ trap at vector %02x\n", irq); -} - -/* * do_IRQ handles all normal device IRQ's (the special * SMP cross-CPU interrupts have their own specific * handlers). diff --git a/arch/xtensa/kernel/vectors.S b/arch/xtensa/kernel/vectors.S index 74a7518faf16..70066e3582d0 100644 --- a/arch/xtensa/kernel/vectors.S +++ b/arch/xtensa/kernel/vectors.S @@ -44,14 +44,12 @@ #include <linux/linkage.h> #include <asm/ptrace.h> -#include <asm/ptrace.h> #include <asm/current.h> #include <asm/asm-offsets.h> #include <asm/pgtable.h> #include <asm/processor.h> #include <asm/page.h> #include <asm/thread_info.h> -#include <asm/processor.h> #define WINDOW_VECTORS_SIZE 0x180 |