X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fi386%2Fmach-voyager%2Fsetup.c;h=cfa16c151c8f96a298f318106424b84a0194c678;hb=refs%2Fheads%2Fvserver;hp=7d8a3acb9441f785cd9df284577a85dafee862fa;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/arch/i386/mach-voyager/setup.c b/arch/i386/mach-voyager/setup.c index 7d8a3acb9..cfa16c151 100644 --- a/arch/i386/mach-voyager/setup.c +++ b/arch/i386/mach-voyager/setup.c @@ -2,11 +2,13 @@ * Machine specific setup for generic */ -#include #include #include -#include #include +#include +#include +#include +#include void __init pre_intr_init_hook(void) { @@ -24,8 +26,7 @@ void __init intr_init_hook(void) smp_intr_init(); #endif - if (!acpi_ioapic) - setup_irq(2, &irq2); + setup_irq(2, &irq2); } void __init pre_setup_arch_hook(void) @@ -39,9 +40,80 @@ void __init trap_init_hook(void) { } -static struct irqaction irq0 = { timer_interrupt, SA_INTERRUPT, CPU_MASK_NONE, "timer", NULL, NULL}; +static struct irqaction irq0 = { timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "timer", NULL, NULL}; void __init time_init_hook(void) { setup_irq(0, &irq0); } + +/* Hook for machine specific memory setup. */ + +char * __init machine_specific_memory_setup(void) +{ + char *who; + + who = "NOT VOYAGER"; + + if(voyager_level == 5) { + __u32 addr, length; + int i; + + who = "Voyager-SUS"; + + e820.nr_map = 0; + for(i=0; voyager_memory_detect(i, &addr, &length); i++) { + add_memory_region(addr, length, E820_RAM); + } + return who; + } else if(voyager_level == 4) { + __u32 tom; + __u16 catbase = inb(VOYAGER_SSPB_RELOCATION_PORT)<<8; + /* select the DINO config space */ + outb(VOYAGER_DINO, VOYAGER_CAT_CONFIG_PORT); + /* Read DINO top of memory register */ + tom = ((inb(catbase + 0x4) & 0xf0) << 16) + + ((inb(catbase + 0x5) & 0x7f) << 24); + + if(inb(catbase) != VOYAGER_DINO) { + printk(KERN_ERR "Voyager: Failed to get DINO for L4, setting tom to EXT_MEM_K\n"); + tom = (EXT_MEM_K)<<10; + } + who = "Voyager-TOM"; + add_memory_region(0, 0x9f000, E820_RAM); + /* map from 1M to top of memory */ + add_memory_region(1*1024*1024, tom - 1*1024*1024, E820_RAM); + /* FIXME: Should check the ASICs to see if I need to + * take out the 8M window. Just do it at the moment + * */ + add_memory_region(8*1024*1024, 8*1024*1024, E820_RESERVED); + return who; + } + + who = "BIOS-e820"; + + /* + * Try to copy the BIOS-supplied E820-map. + * + * Otherwise fake a memory map; one section from 0k->640k, + * the next section from 1mb->appropriate_mem_k + */ + sanitize_e820_map(E820_MAP, &E820_MAP_NR); + if (copy_e820_map(E820_MAP, E820_MAP_NR) < 0) { + unsigned long mem_size; + + /* compare results from other methods and take the greater */ + if (ALT_MEM_K < EXT_MEM_K) { + mem_size = EXT_MEM_K; + who = "BIOS-88"; + } else { + mem_size = ALT_MEM_K; + who = "BIOS-e801"; + } + + e820.nr_map = 0; + add_memory_region(0, LOWMEMSIZE(), E820_RAM); + add_memory_region(HIGH_MEMORY, mem_size << 10, E820_RAM); + } + return who; +}