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 2b55694e6400..000000000000 --- a/arch/i386/mach-voyager/setup.c +++ /dev/null | |||
@@ -1,125 +0,0 @@ | |||
1 | /* | ||
2 | * Machine specific setup for generic | ||
3 | */ | ||
4 | |||
5 | #include <linux/init.h> | ||
6 | #include <linux/interrupt.h> | ||
7 | #include <asm/arch_hooks.h> | ||
8 | #include <asm/voyager.h> | ||
9 | #include <asm/e820.h> | ||
10 | #include <asm/io.h> | ||
11 | #include <asm/setup.h> | ||
12 | |||
13 | void __init pre_intr_init_hook(void) | ||
14 | { | ||
15 | init_ISA_irqs(); | ||
16 | } | ||
17 | |||
18 | /* | ||
19 | * IRQ2 is cascade interrupt to second interrupt controller | ||
20 | */ | ||
21 | static struct irqaction irq2 = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL}; | ||
22 | |||
23 | void __init intr_init_hook(void) | ||
24 | { | ||
25 | #ifdef CONFIG_SMP | ||
26 | smp_intr_init(); | ||
27 | #endif | ||
28 | |||
29 | setup_irq(2, &irq2); | ||
30 | } | ||
31 | |||
32 | void __init pre_setup_arch_hook(void) | ||
33 | { | ||
34 | /* Voyagers run their CPUs from independent clocks, so disable | ||
35 | * the TSC code because we can't sync them */ | ||
36 | tsc_disable = 1; | ||
37 | } | ||
38 | |||
39 | void __init trap_init_hook(void) | ||
40 | { | ||
41 | } | ||
42 | |||
43 | static struct irqaction irq0 = { | ||
44 | .handler = timer_interrupt, | ||
45 | .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL, | ||
46 | .mask = CPU_MASK_NONE, | ||
47 | .name = "timer" | ||
48 | }; | ||
49 | |||
50 | void __init time_init_hook(void) | ||
51 | { | ||
52 | irq0.mask = cpumask_of_cpu(safe_smp_processor_id()); | ||
53 | setup_irq(0, &irq0); | ||
54 | } | ||
55 | |||
56 | /* Hook for machine specific memory setup. */ | ||
57 | |||
58 | char * __init machine_specific_memory_setup(void) | ||
59 | { | ||
60 | char *who; | ||
61 | |||
62 | who = "NOT VOYAGER"; | ||
63 | |||
64 | if(voyager_level == 5) { | ||
65 | __u32 addr, length; | ||
66 | int i; | ||
67 | |||
68 | who = "Voyager-SUS"; | ||
69 | |||
70 | e820.nr_map = 0; | ||
71 | for(i=0; voyager_memory_detect(i, &addr, &length); i++) { | ||
72 | add_memory_region(addr, length, E820_RAM); | ||
73 | } | ||
74 | return who; | ||
75 | } else if(voyager_level == 4) { | ||
76 | __u32 tom; | ||
77 | __u16 catbase = inb(VOYAGER_SSPB_RELOCATION_PORT)<<8; | ||
78 | /* select the DINO config space */ | ||
79 | outb(VOYAGER_DINO, VOYAGER_CAT_CONFIG_PORT); | ||
80 | /* Read DINO top of memory register */ | ||
81 | tom = ((inb(catbase + 0x4) & 0xf0) << 16) | ||
82 | + ((inb(catbase + 0x5) & 0x7f) << 24); | ||
83 | |||
84 | if(inb(catbase) != VOYAGER_DINO) { | ||
85 | printk(KERN_ERR "Voyager: Failed to get DINO for L4, setting tom to EXT_MEM_K\n"); | ||
86 | tom = (EXT_MEM_K)<<10; | ||
87 | } | ||
88 | who = "Voyager-TOM"; | ||
89 | add_memory_region(0, 0x9f000, E820_RAM); | ||
90 | /* map from 1M to top of memory */ | ||
91 | add_memory_region(1*1024*1024, tom - 1*1024*1024, E820_RAM); | ||
92 | /* FIXME: Should check the ASICs to see if I need to | ||
93 | * take out the 8M window. Just do it at the moment | ||
94 | * */ | ||
95 | add_memory_region(8*1024*1024, 8*1024*1024, E820_RESERVED); | ||
96 | return who; | ||
97 | } | ||
98 | |||
99 | who = "BIOS-e820"; | ||
100 | |||
101 | /* | ||
102 | * Try to copy the BIOS-supplied E820-map. | ||
103 | * | ||
104 | * Otherwise fake a memory map; one section from 0k->640k, | ||
105 | * the next section from 1mb->appropriate_mem_k | ||
106 | */ | ||
107 | sanitize_e820_map(E820_MAP, &E820_MAP_NR); | ||
108 | if (copy_e820_map(E820_MAP, E820_MAP_NR) < 0) { | ||
109 | unsigned long mem_size; | ||
110 | |||
111 | /* compare results from other methods and take the greater */ | ||
112 | if (ALT_MEM_K < EXT_MEM_K) { | ||
113 | mem_size = EXT_MEM_K; | ||
114 | who = "BIOS-88"; | ||
115 | } else { | ||
116 | mem_size = ALT_MEM_K; | ||
117 | who = "BIOS-e801"; | ||
118 | } | ||
119 | |||
120 | e820.nr_map = 0; | ||
121 | add_memory_region(0, LOWMEMSIZE(), E820_RAM); | ||
122 | add_memory_region(HIGH_MEMORY, mem_size << 10, E820_RAM); | ||
123 | } | ||
124 | return who; | ||
125 | } | ||