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authorIngo Molnar <mingo@elte.hu>2009-01-28 13:32:55 -0500
committerIngo Molnar <mingo@elte.hu>2009-01-29 08:16:52 -0500
commit6bda2c8b32febeb38ee128047253751e080bad52 (patch)
tree7f6f78cf18cd69a44e987d985c57402d493d0dee /arch/x86/mach-default
parent1164dd0099c0d79146a55319670f57ab7ad1d352 (diff)
x86: remove subarchitecture support
Remove the 32-bit subarchitecture support code. All subarchitectures but Voyager have been converted. Voyager will be done later or will be removed. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mach-default')
-rw-r--r--arch/x86/mach-default/setup.c162
1 files changed, 0 insertions, 162 deletions
diff --git a/arch/x86/mach-default/setup.c b/arch/x86/mach-default/setup.c
deleted file mode 100644
index b65ff0bf730e..000000000000
--- a/arch/x86/mach-default/setup.c
+++ /dev/null
@@ -1,162 +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#include <asm/genapic.h>
14
15#ifdef CONFIG_HOTPLUG_CPU
16#define DEFAULT_SEND_IPI (1)
17#else
18#define DEFAULT_SEND_IPI (0)
19#endif
20
21int no_broadcast = DEFAULT_SEND_IPI;
22
23/**
24 * pre_intr_init_hook - initialisation prior to setting up interrupt vectors
25 *
26 * Description:
27 * Perform any necessary interrupt initialisation prior to setting up
28 * the "ordinary" interrupt call gates. For legacy reasons, the ISA
29 * interrupts should be initialised here if the machine emulates a PC
30 * in any way.
31 **/
32void __init pre_intr_init_hook(void)
33{
34 if (x86_quirks->arch_pre_intr_init) {
35 if (x86_quirks->arch_pre_intr_init())
36 return;
37 }
38 init_ISA_irqs();
39}
40
41/**
42 * intr_init_hook - post gate setup interrupt initialisation
43 *
44 * Description:
45 * Fill in any interrupts that may have been left out by the general
46 * init_IRQ() routine. interrupts having to do with the machine rather
47 * than the devices on the I/O bus (like APIC interrupts in intel MP
48 * systems) are started here.
49 **/
50void __init intr_init_hook(void)
51{
52 if (x86_quirks->arch_intr_init) {
53 if (x86_quirks->arch_intr_init())
54 return;
55 }
56}
57
58/**
59 * pre_setup_arch_hook - hook called prior to any setup_arch() execution
60 *
61 * Description:
62 * generally used to activate any machine specific identification
63 * routines that may be needed before setup_arch() runs. On Voyager
64 * this is used to get the board revision and type.
65 **/
66void __init pre_setup_arch_hook(void)
67{
68}
69
70/**
71 * trap_init_hook - initialise system specific traps
72 *
73 * Description:
74 * Called as the final act of trap_init(). Used in VISWS to initialise
75 * the various board specific APIC traps.
76 **/
77void __init trap_init_hook(void)
78{
79 if (x86_quirks->arch_trap_init) {
80 if (x86_quirks->arch_trap_init())
81 return;
82 }
83}
84
85static struct irqaction irq0 = {
86 .handler = timer_interrupt,
87 .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL,
88 .mask = CPU_MASK_NONE,
89 .name = "timer"
90};
91
92/**
93 * pre_time_init_hook - do any specific initialisations before.
94 *
95 **/
96void __init pre_time_init_hook(void)
97{
98 if (x86_quirks->arch_pre_time_init)
99 x86_quirks->arch_pre_time_init();
100}
101
102/**
103 * time_init_hook - do any specific initialisations for the system timer.
104 *
105 * Description:
106 * Must plug the system timer interrupt source at HZ into the IRQ listed
107 * in irq_vectors.h:TIMER_IRQ
108 **/
109void __init time_init_hook(void)
110{
111 if (x86_quirks->arch_time_init) {
112 /*
113 * A nonzero return code does not mean failure, it means
114 * that the architecture quirk does not want any
115 * generic (timer) setup to be performed after this:
116 */
117 if (x86_quirks->arch_time_init())
118 return;
119 }
120
121 irq0.mask = cpumask_of_cpu(0);
122 setup_irq(0, &irq0);
123}
124
125#ifdef CONFIG_MCA
126/**
127 * mca_nmi_hook - hook into MCA specific NMI chain
128 *
129 * Description:
130 * The MCA (Microchannel Architecture) has an NMI chain for NMI sources
131 * along the MCA bus. Use this to hook into that chain if you will need
132 * it.
133 **/
134void mca_nmi_hook(void)
135{
136 /*
137 * If I recall correctly, there's a whole bunch of other things that
138 * we can do to check for NMI problems, but that's all I know about
139 * at the moment.
140 */
141 pr_warning("NMI generated from unknown source!\n");
142}
143#endif
144
145static __init int no_ipi_broadcast(char *str)
146{
147 get_option(&str, &no_broadcast);
148 pr_info("Using %s mode\n",
149 no_broadcast ? "No IPI Broadcast" : "IPI Broadcast");
150 return 1;
151}
152__setup("no_ipi_broadcast=", no_ipi_broadcast);
153
154static int __init print_ipi_mode(void)
155{
156 pr_info("Using IPI %s mode\n",
157 no_broadcast ? "No-Shortcut" : "Shortcut");
158 return 0;
159}
160
161late_initcall(print_ipi_mode);
162