diff options
Diffstat (limited to 'arch/x86/mach-voyager/setup.c')
-rw-r--r-- | arch/x86/mach-voyager/setup.c | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/arch/x86/mach-voyager/setup.c b/arch/x86/mach-voyager/setup.c deleted file mode 100644 index 8e5118371f0f..000000000000 --- a/arch/x86/mach-voyager/setup.c +++ /dev/null | |||
@@ -1,118 +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 = { | ||
22 | .handler = no_action, | ||
23 | .mask = CPU_MASK_NONE, | ||
24 | .name = "cascade", | ||
25 | }; | ||
26 | |||
27 | void __init intr_init_hook(void) | ||
28 | { | ||
29 | #ifdef CONFIG_SMP | ||
30 | voyager_smp_intr_init(); | ||
31 | #endif | ||
32 | |||
33 | setup_irq(2, &irq2); | ||
34 | } | ||
35 | |||
36 | static void voyager_disable_tsc(void) | ||
37 | { | ||
38 | /* Voyagers run their CPUs from independent clocks, so disable | ||
39 | * the TSC code because we can't sync them */ | ||
40 | setup_clear_cpu_cap(X86_FEATURE_TSC); | ||
41 | } | ||
42 | |||
43 | void __init pre_setup_arch_hook(void) | ||
44 | { | ||
45 | voyager_disable_tsc(); | ||
46 | } | ||
47 | |||
48 | void __init pre_time_init_hook(void) | ||
49 | { | ||
50 | voyager_disable_tsc(); | ||
51 | } | ||
52 | |||
53 | void __init trap_init_hook(void) | ||
54 | { | ||
55 | } | ||
56 | |||
57 | static struct irqaction irq0 = { | ||
58 | .handler = timer_interrupt, | ||
59 | .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER, | ||
60 | .mask = CPU_MASK_NONE, | ||
61 | .name = "timer" | ||
62 | }; | ||
63 | |||
64 | void __init time_init_hook(void) | ||
65 | { | ||
66 | irq0.mask = cpumask_of_cpu(safe_smp_processor_id()); | ||
67 | setup_irq(0, &irq0); | ||
68 | } | ||
69 | |||
70 | /* Hook for machine specific memory setup. */ | ||
71 | |||
72 | char *__init machine_specific_memory_setup(void) | ||
73 | { | ||
74 | char *who; | ||
75 | int new_nr; | ||
76 | |||
77 | who = "NOT VOYAGER"; | ||
78 | |||
79 | if (voyager_level == 5) { | ||
80 | __u32 addr, length; | ||
81 | int i; | ||
82 | |||
83 | who = "Voyager-SUS"; | ||
84 | |||
85 | e820.nr_map = 0; | ||
86 | for (i = 0; voyager_memory_detect(i, &addr, &length); i++) { | ||
87 | e820_add_region(addr, length, E820_RAM); | ||
88 | } | ||
89 | return who; | ||
90 | } else if (voyager_level == 4) { | ||
91 | __u32 tom; | ||
92 | __u16 catbase = inb(VOYAGER_SSPB_RELOCATION_PORT) << 8; | ||
93 | /* select the DINO config space */ | ||
94 | outb(VOYAGER_DINO, VOYAGER_CAT_CONFIG_PORT); | ||
95 | /* Read DINO top of memory register */ | ||
96 | tom = ((inb(catbase + 0x4) & 0xf0) << 16) | ||
97 | + ((inb(catbase + 0x5) & 0x7f) << 24); | ||
98 | |||
99 | if (inb(catbase) != VOYAGER_DINO) { | ||
100 | printk(KERN_ERR | ||
101 | "Voyager: Failed to get DINO for L4, setting tom to EXT_MEM_K\n"); | ||
102 | tom = (boot_params.screen_info.ext_mem_k) << 10; | ||
103 | } | ||
104 | who = "Voyager-TOM"; | ||
105 | e820_add_region(0, 0x9f000, E820_RAM); | ||
106 | /* map from 1M to top of memory */ | ||
107 | e820_add_region(1 * 1024 * 1024, tom - 1 * 1024 * 1024, | ||
108 | E820_RAM); | ||
109 | /* FIXME: Should check the ASICs to see if I need to | ||
110 | * take out the 8M window. Just do it at the moment | ||
111 | * */ | ||
112 | e820_add_region(8 * 1024 * 1024, 8 * 1024 * 1024, | ||
113 | E820_RESERVED); | ||
114 | return who; | ||
115 | } | ||
116 | |||
117 | return default_machine_specific_memory_setup(); | ||
118 | } | ||