diff options
Diffstat (limited to 'arch/i386/mach-voyager/setup.c')
-rw-r--r-- | arch/i386/mach-voyager/setup.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/arch/i386/mach-voyager/setup.c b/arch/i386/mach-voyager/setup.c deleted file mode 100644 index 2b55694e640..00000000000 --- a/arch/i386/mach-voyager/setup.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * Machine specific setup for generic - */ - -#include <linux/init.h> -#include <linux/interrupt.h> -#include <asm/arch_hooks.h> -#include <asm/voyager.h> -#include <asm/e820.h> -#include <asm/io.h> -#include <asm/setup.h> - -void __init pre_intr_init_hook(void) -{ - init_ISA_irqs(); -} - -/* - * IRQ2 is cascade interrupt to second interrupt controller - */ -static struct irqaction irq2 = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL}; - -void __init intr_init_hook(void) -{ -#ifdef CONFIG_SMP - smp_intr_init(); -#endif - - setup_irq(2, &irq2); -} - -void __init pre_setup_arch_hook(void) -{ - /* Voyagers run their CPUs from independent clocks, so disable - * the TSC code because we can't sync them */ - tsc_disable = 1; -} - -void __init trap_init_hook(void) -{ -} - -static struct irqaction irq0 = { - .handler = timer_interrupt, - .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL, - .mask = CPU_MASK_NONE, - .name = "timer" -}; - -void __init time_init_hook(void) -{ - irq0.mask = cpumask_of_cpu(safe_smp_processor_id()); - 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; -} |