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-rw-r--r--arch/x86/mach-visws/setup.c174
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 */
16int (*arch_time_init_quirk)(void);
17int (*arch_pre_intr_init_quirk)(void);
18int (*arch_intr_init_quirk)(void);
19int (*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
27int 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 **/
38void __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 */
50static 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 **/
65void __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 **/
87void __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 **/
98void __init trap_init_hook(void)
99{
100 if (arch_trap_init_quirk) {
101 if (arch_trap_init_quirk())
102 return;
103 }
104}
105
106static 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 **/
120void __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 **/
145void 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
156static __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
166static 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
173late_initcall(print_ipi_mode);
174