diff options
Diffstat (limited to 'arch/x86/mach-visws/setup.c')
-rw-r--r-- | arch/x86/mach-visws/setup.c | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/arch/x86/mach-visws/setup.c b/arch/x86/mach-visws/setup.c deleted file mode 100644 index b8054c3ffce3..000000000000 --- a/arch/x86/mach-visws/setup.c +++ /dev/null | |||
@@ -1,174 +0,0 @@ | |||
1 | /* | ||
2 | * Machine specific setup for generic | ||
3 | */ | ||
4 | |||
5 | #include <linux/smp.h> | ||
6 | #include <linux/init.h> | ||
7 | #include <linux/interrupt.h> | ||
8 | #include <asm/acpi.h> | ||
9 | #include <asm/arch_hooks.h> | ||
10 | #include <asm/e820.h> | ||
11 | #include <asm/setup.h> | ||
12 | |||
13 | /* | ||
14 | * Any quirks to be performed to initialize timers/irqs/etc? | ||
15 | */ | ||
16 | int (*arch_time_init_quirk)(void); | ||
17 | int (*arch_pre_intr_init_quirk)(void); | ||
18 | int (*arch_intr_init_quirk)(void); | ||
19 | int (*arch_trap_init_quirk)(void); | ||
20 | |||
21 | #ifdef CONFIG_HOTPLUG_CPU | ||
22 | #define DEFAULT_SEND_IPI (1) | ||
23 | #else | ||
24 | #define DEFAULT_SEND_IPI (0) | ||
25 | #endif | ||
26 | |||
27 | int no_broadcast=DEFAULT_SEND_IPI; | ||
28 | |||
29 | /** | ||
30 | * pre_intr_init_hook - initialisation prior to setting up interrupt vectors | ||
31 | * | ||
32 | * Description: | ||
33 | * Perform any necessary interrupt initialisation prior to setting up | ||
34 | * the "ordinary" interrupt call gates. For legacy reasons, the ISA | ||
35 | * interrupts should be initialised here if the machine emulates a PC | ||
36 | * in any way. | ||
37 | **/ | ||
38 | void __init pre_intr_init_hook(void) | ||
39 | { | ||
40 | if (arch_pre_intr_init_quirk) { | ||
41 | if (arch_pre_intr_init_quirk()) | ||
42 | return; | ||
43 | } | ||
44 | init_ISA_irqs(); | ||
45 | } | ||
46 | |||
47 | /* | ||
48 | * IRQ2 is cascade interrupt to second interrupt controller | ||
49 | */ | ||
50 | static struct irqaction irq2 = { | ||
51 | .handler = no_action, | ||
52 | .mask = CPU_MASK_NONE, | ||
53 | .name = "cascade", | ||
54 | }; | ||
55 | |||
56 | /** | ||
57 | * intr_init_hook - post gate setup interrupt initialisation | ||
58 | * | ||
59 | * Description: | ||
60 | * Fill in any interrupts that may have been left out by the general | ||
61 | * init_IRQ() routine. interrupts having to do with the machine rather | ||
62 | * than the devices on the I/O bus (like APIC interrupts in intel MP | ||
63 | * systems) are started here. | ||
64 | **/ | ||
65 | void __init intr_init_hook(void) | ||
66 | { | ||
67 | if (arch_intr_init_quirk) { | ||
68 | if (arch_intr_init_quirk()) | ||
69 | return; | ||
70 | } | ||
71 | #ifdef CONFIG_X86_LOCAL_APIC | ||
72 | apic_intr_init(); | ||
73 | #endif | ||
74 | |||
75 | if (!acpi_ioapic) | ||
76 | setup_irq(2, &irq2); | ||
77 | } | ||
78 | |||
79 | /** | ||
80 | * pre_setup_arch_hook - hook called prior to any setup_arch() execution | ||
81 | * | ||
82 | * Description: | ||
83 | * generally used to activate any machine specific identification | ||
84 | * routines that may be needed before setup_arch() runs. On VISWS | ||
85 | * this is used to get the board revision and type. | ||
86 | **/ | ||
87 | void __init pre_setup_arch_hook(void) | ||
88 | { | ||
89 | } | ||
90 | |||
91 | /** | ||
92 | * trap_init_hook - initialise system specific traps | ||
93 | * | ||
94 | * Description: | ||
95 | * Called as the final act of trap_init(). Used in VISWS to initialise | ||
96 | * the various board specific APIC traps. | ||
97 | **/ | ||
98 | void __init trap_init_hook(void) | ||
99 | { | ||
100 | if (arch_trap_init_quirk) { | ||
101 | if (arch_trap_init_quirk()) | ||
102 | return; | ||
103 | } | ||
104 | } | ||
105 | |||
106 | static struct irqaction irq0 = { | ||
107 | .handler = timer_interrupt, | ||
108 | .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL, | ||
109 | .mask = CPU_MASK_NONE, | ||
110 | .name = "timer" | ||
111 | }; | ||
112 | |||
113 | /** | ||
114 | * time_init_hook - do any specific initialisations for the system timer. | ||
115 | * | ||
116 | * Description: | ||
117 | * Must plug the system timer interrupt source at HZ into the IRQ listed | ||
118 | * in irq_vectors.h:TIMER_IRQ | ||
119 | **/ | ||
120 | void __init time_init_hook(void) | ||
121 | { | ||
122 | if (arch_time_init_quirk) { | ||
123 | /* | ||
124 | * A nonzero return code does not mean failure, it means | ||
125 | * that the architecture quirk does not want any | ||
126 | * generic (timer) setup to be performed after this: | ||
127 | */ | ||
128 | if (arch_time_init_quirk()) | ||
129 | return; | ||
130 | } | ||
131 | |||
132 | irq0.mask = cpumask_of_cpu(0); | ||
133 | setup_irq(0, &irq0); | ||
134 | } | ||
135 | |||
136 | #ifdef CONFIG_MCA | ||
137 | /** | ||
138 | * mca_nmi_hook - hook into MCA specific NMI chain | ||
139 | * | ||
140 | * Description: | ||
141 | * The MCA (Microchannel Architecture) has an NMI chain for NMI sources | ||
142 | * along the MCA bus. Use this to hook into that chain if you will need | ||
143 | * it. | ||
144 | **/ | ||
145 | void mca_nmi_hook(void) | ||
146 | { | ||
147 | /* If I recall correctly, there's a whole bunch of other things that | ||
148 | * we can do to check for NMI problems, but that's all I know about | ||
149 | * at the moment. | ||
150 | */ | ||
151 | |||
152 | printk("NMI generated from unknown source!\n"); | ||
153 | } | ||
154 | #endif | ||
155 | |||
156 | static __init int no_ipi_broadcast(char *str) | ||
157 | { | ||
158 | get_option(&str, &no_broadcast); | ||
159 | printk ("Using %s mode\n", no_broadcast ? "No IPI Broadcast" : | ||
160 | "IPI Broadcast"); | ||
161 | return 1; | ||
162 | } | ||
163 | |||
164 | __setup("no_ipi_broadcast=", no_ipi_broadcast); | ||
165 | |||
166 | static int __init print_ipi_mode(void) | ||
167 | { | ||
168 | printk ("Using IPI %s mode\n", no_broadcast ? "No-Shortcut" : | ||
169 | "Shortcut"); | ||
170 | return 0; | ||
171 | } | ||
172 | |||
173 | late_initcall(print_ipi_mode); | ||
174 | |||