diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/mips/sgi-ip27/Kconfig | 41 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/Makefile | 11 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-console.c | 40 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-init.c | 5 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-irq.c | 7 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-klnuma.c | 1 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-memory.c | 1 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-reset.c | 1 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-timer.c | 61 |
9 files changed, 108 insertions, 60 deletions
diff --git a/arch/mips/sgi-ip27/Kconfig b/arch/mips/sgi-ip27/Kconfig index 7b0bc4437243..5e960ae9735a 100644 --- a/arch/mips/sgi-ip27/Kconfig +++ b/arch/mips/sgi-ip27/Kconfig @@ -4,43 +4,42 @@ # This options adds support for userspace processes upto 16TB size. # Normally the limit is just .5TB. -config SGI_SN0_N_MODE - bool "IP27 N-Mode" +choice + prompt "Node addressing mode" depends on SGI_IP27 - help - The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be - configured in either N-Modes which allows for more nodes or M-Mode - which allows for more memory. Your system is most probably - running in M-Mode, so you should say N here. + default SGI_SN_M_MODE -config ARCH_DISCONTIGMEM_ENABLE - bool - default y if SGI_IP27 +config SGI_SN_M_MODE + bool "IP27 M-Mode" help - Say Y to upport efficient handling of discontiguous physical memory, - for architectures which are either NUMA (Non-Uniform Memory Access) - or have huge holes in the physical address space for other reasons. - See <file:Documentation/vm/numa> for more. + The nodes of Origin, Onyx, Fuel and Tezro systems can be configured + in either N-Modes which allows for more nodes or M-Mode which allows + for more memory. Your hardware is almost certainly running in + M-Mode, so choose M-mode here. -config NUMA - bool "NUMA Support" - depends on SGI_IP27 +config SGI_SN_N_MODE + bool "IP27 N-Mode" + depends on EXPERIMENTAL help - Say Y to compile the kernel to support NUMA (Non-Uniform Memory - Access). This option is for configuring high-end multiprocessor - server machines. If in doubt, say N. + The nodes of Origin, Onyx, Fuel and Tezro systems can be configured + in either N-Modes which allows for more nodes or M-Mode which allows + for more memory. Your hardware is almost certainly running in + M-Mode, so choose M-mode here. + +endchoice config MAPPED_KERNEL bool "Mapped kernel support" depends on SGI_IP27 help Change the way a Linux kernel is loaded into memory on a MIPS64 - machine. This is required in order to support text replication and + machine. This is required in order to support text replication on NUMA. If you need to understand it, read the source code. config REPLICATE_KTEXT bool "Kernel text replication support" depends on SGI_IP27 + select MAPPED_KERNEL help Say Y here to enable replicating the kernel text across multiple nodes in a NUMA cluster. This trades memory for speed. diff --git a/arch/mips/sgi-ip27/Makefile b/arch/mips/sgi-ip27/Makefile index 686ba14e2882..a457263f4391 100644 --- a/arch/mips/sgi-ip27/Makefile +++ b/arch/mips/sgi-ip27/Makefile @@ -2,11 +2,12 @@ # Makefile for the IP27 specific kernel interface routines under Linux. # -obj-y := ip27-berr.o ip27-console.o ip27-irq.o ip27-init.o \ - ip27-klconfig.o ip27-klnuma.o ip27-memory.o ip27-nmi.o ip27-reset.o \ - ip27-timer.o ip27-hubio.o ip27-xtalk.o +obj-y := ip27-berr.o ip27-irq.o ip27-init.o ip27-klconfig.o ip27-klnuma.o \ + ip27-memory.o ip27-nmi.o ip27-reset.o ip27-timer.o ip27-hubio.o \ + ip27-xtalk.o -obj-$(CONFIG_KGDB) += ip27-dbgio.o -obj-$(CONFIG_SMP) += ip27-smp.o +obj-$(CONFIG_EARLY_PRINTK) += ip27-console.o +obj-$(CONFIG_KGDB) += ip27-dbgio.o +obj-$(CONFIG_SMP) += ip27-smp.o EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/sgi-ip27/ip27-console.c b/arch/mips/sgi-ip27/ip27-console.c index 3e1ac299b804..14211e382374 100644 --- a/arch/mips/sgi-ip27/ip27-console.c +++ b/arch/mips/sgi-ip27/ip27-console.c @@ -46,33 +46,29 @@ void prom_putchar(char c) uart->iu_thr = c; } -char __init prom_getchar(void) +static void ioc3_console_write(struct console *con, const char *s, unsigned n) { - return 0; + while (n-- && *s) { + if (*s == '\n') + prom_putchar('\r'); + prom_putchar(*s); + s++; + } } -static void inline ioc3_console_probe(void) -{ - struct uart_port up; - - /* - * Register to interrupt zero because we share the interrupt with - * the serial driver which we don't properly support yet. - */ - memset(&up, 0, sizeof(up)); - up.membase = (unsigned char *) console_uart(); - up.irq = 0; - up.uartclk = IOC3_CLK; - up.regshift = 0; - up.iotype = UPIO_MEM; - up.flags = IOC3_FLAGS; - up.line = 0; +static struct console ioc3_console = { + .name = "ioc3", + .write = ioc3_console_write, + .flags = CON_PRINTBUFFER | CON_BOOT, + .index = -1 +}; - if (early_serial_setup(&up)) - printk(KERN_ERR "Early serial init of port 0 failed\n"); +__init void ip27_setup_console(void) +{ + register_console(&ioc3_console); } -__init void ip27_setup_console(void) +void __init disable_early_printk(void) { - ioc3_console_probe(); + unregister_console(&ioc3_console); } diff --git a/arch/mips/sgi-ip27/ip27-init.c b/arch/mips/sgi-ip27/ip27-init.c index 8651a0e75404..9094baf31d0e 100644 --- a/arch/mips/sgi-ip27/ip27-init.c +++ b/arch/mips/sgi-ip27/ip27-init.c @@ -6,7 +6,6 @@ * Copyright (C) 2000 - 2001 by Kanoj Sarcar (kanoj@sgi.com) * Copyright (C) 2000 - 2001 by Silicon Graphics, Inc. */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/sched.h> @@ -196,7 +195,7 @@ extern void ip27_setup_console(void); extern void ip27_time_init(void); extern void ip27_reboot_setup(void); -void __init plat_setup(void) +void __init plat_mem_setup(void) { hubreg_t p, e, n_mode; nasid_t nid; @@ -228,7 +227,7 @@ void __init plat_setup(void) */ n_mode = LOCAL_HUB_L(NI_STATUS_REV_ID) & NSRI_MORENODES_MASK; printk("Machine is in %c mode.\n", n_mode ? 'N' : 'M'); -#ifdef CONFIG_SGI_SN0_N_MODE +#ifdef CONFIG_SGI_SN_N_MODE if (!n_mode) panic("Kernel compiled for M mode."); #else diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c index 2e643d2f51cb..597ec73359b7 100644 --- a/arch/mips/sgi-ip27/ip27-irq.c +++ b/arch/mips/sgi-ip27/ip27-irq.c @@ -8,7 +8,6 @@ #undef DEBUG -#include <linux/config.h> #include <linux/init.h> #include <linux/irq.h> #include <linux/errno.h> @@ -119,7 +118,7 @@ static int ms1bit(unsigned long x) } /* - * This code is unnecessarily complex, because we do SA_INTERRUPT + * This code is unnecessarily complex, because we do IRQF_DISABLED * intr enabling. Basically, once we grab the set of intrs we need * to service, we must mask _all_ these interrupts; firstly, to make * sure the same intr does not intr again, causing recursion that @@ -360,7 +359,7 @@ static struct hw_interrupt_type bridge_irq_type = { static unsigned long irq_map[NR_IRQS / BITS_PER_LONG]; -static int allocate_irqno(void) +int allocate_irqno(void) { int irq; @@ -386,7 +385,7 @@ void __devinit register_bridge_irq(unsigned int irq) irq_desc[irq].status = IRQ_DISABLED; irq_desc[irq].action = 0; irq_desc[irq].depth = 1; - irq_desc[irq].handler = &bridge_irq_type; + irq_desc[irq].chip = &bridge_irq_type; } int __devinit request_bridge_irq(struct bridge_controller *bc) diff --git a/arch/mips/sgi-ip27/ip27-klnuma.c b/arch/mips/sgi-ip27/ip27-klnuma.c index 41c3f405e00c..d777b7d1a9fe 100644 --- a/arch/mips/sgi-ip27/ip27-klnuma.c +++ b/arch/mips/sgi-ip27/ip27-klnuma.c @@ -3,7 +3,6 @@ * Copyright 2000 - 2001 Silicon Graphics, Inc. * Copyright 2000 - 2001 Kanoj Sarcar (kanoj@sgi.com) */ -#include <linux/config.h> #include <linux/init.h> #include <linux/mmzone.h> #include <linux/kernel.h> diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c index 6c00dce9f73f..efe6971fc800 100644 --- a/arch/mips/sgi-ip27/ip27-memory.c +++ b/arch/mips/sgi-ip27/ip27-memory.c @@ -10,7 +10,6 @@ * On SGI IP27 the ARC memory configuration data is completly bogus but * alternate easier to use mechanisms are available. */ -#include <linux/config.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/mm.h> diff --git a/arch/mips/sgi-ip27/ip27-reset.c b/arch/mips/sgi-ip27/ip27-reset.c index 4322db57d3c1..c17076108d47 100644 --- a/arch/mips/sgi-ip27/ip27-reset.c +++ b/arch/mips/sgi-ip27/ip27-reset.c @@ -8,7 +8,6 @@ * Copyright (C) 1997, 1998, 1999, 2000, 06 by Ralf Baechle * Copyright (C) 1999, 2000 Silicon Graphics, Inc. */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/timer.h> diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c index 36b662e27b6e..3ca614a851e5 100644 --- a/arch/mips/sgi-ip27/ip27-timer.c +++ b/arch/mips/sgi-ip27/ip27-timer.c @@ -89,11 +89,13 @@ static int set_rtc_mmss(unsigned long nowtime) } #endif +static unsigned int rt_timer_irq; + void ip27_rt_timer_interrupt(struct pt_regs *regs) { int cpu = smp_processor_id(); int cpuA = cputoslice(cpu) == 0; - int irq = 9; /* XXX Assign number */ + unsigned int irq = rt_timer_irq; irq_enter(); write_seqlock(&xtime_lock); @@ -179,13 +181,68 @@ static __init unsigned long get_m48t35_time(void) return mktime(year, month, date, hour, min, sec); } +static void startup_rt_irq(unsigned int irq) +{ +} + +static void shutdown_rt_irq(unsigned int irq) +{ +} + +static void enable_rt_irq(unsigned int irq) +{ +} + +static void disable_rt_irq(unsigned int irq) +{ +} + +static void mask_and_ack_rt(unsigned int irq) +{ +} + +static void end_rt_irq(unsigned int irq) +{ +} + +static struct hw_interrupt_type rt_irq_type = { + .typename = "SN HUB RT timer", + .startup = startup_rt_irq, + .shutdown = shutdown_rt_irq, + .enable = enable_rt_irq, + .disable = disable_rt_irq, + .ack = mask_and_ack_rt, + .end = end_rt_irq, +}; + +static struct irqaction rt_irqaction = { + .handler = ip27_rt_timer_interrupt, + .flags = IRQF_DISABLED, + .mask = CPU_MASK_NONE, + .name = "timer" +}; + +extern int allocate_irqno(void); + static void ip27_timer_setup(struct irqaction *irq) { + int irqno = allocate_irqno(); + + if (irqno < 0) + panic("Can't allocate interrupt number for timer interrupt"); + + irq_desc[irqno].status = IRQ_DISABLED; + irq_desc[irqno].action = NULL; + irq_desc[irqno].depth = 1; + irq_desc[irqno].handler = &rt_irq_type; + /* over-write the handler, we use our own way */ irq->handler = no_action; /* setup irqaction */ -// setup_irq(IP27_TIMER_IRQ, irq); /* XXX Can't do this yet. */ + irq_desc[irqno].status |= IRQ_PER_CPU; + + rt_timer_irq = irqno; } void __init ip27_time_init(void) |