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authorThomas Gleixner <tglx@linutronix.de>2007-10-11 05:16:48 -0400
committerThomas Gleixner <tglx@linutronix.de>2007-10-11 05:16:48 -0400
commitd629e03b64c469245ceb07d05460e1e2eefa7585 (patch)
treec0bac5206be0875305856a4a9e23631856abfa06 /arch/i386
parentad757b6aa5801b81dec609d87753604a06313c53 (diff)
i386: move mach-default
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/i386')
-rw-r--r--arch/i386/Makefile12
-rw-r--r--arch/i386/mach-default/Makefile5
-rw-r--r--arch/i386/mach-default/setup.c180
3 files changed, 6 insertions, 191 deletions
diff --git a/arch/i386/Makefile b/arch/i386/Makefile
index cbdc14fddc3a..223c5e252ec1 100644
--- a/arch/i386/Makefile
+++ b/arch/i386/Makefile
@@ -61,7 +61,7 @@ AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONF
61CFLAGS += $(cflags-y) 61CFLAGS += $(cflags-y)
62 62
63# Default subarch .c files 63# Default subarch .c files
64mcore-y := arch/i386/mach-default 64mcore-y := arch/x86/mach-default
65 65
66# Voyager subarch support 66# Voyager subarch support
67mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager 67mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager
@@ -73,24 +73,24 @@ mcore-$(CONFIG_X86_VISWS) := arch/x86/mach-visws
73 73
74# NUMAQ subarch support 74# NUMAQ subarch support
75mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq 75mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq
76mcore-$(CONFIG_X86_NUMAQ) := arch/i386/mach-default 76mcore-$(CONFIG_X86_NUMAQ) := arch/x86/mach-default
77 77
78# BIGSMP subarch support 78# BIGSMP subarch support
79mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp 79mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp
80mcore-$(CONFIG_X86_BIGSMP) := arch/i386/mach-default 80mcore-$(CONFIG_X86_BIGSMP) := arch/x86/mach-default
81 81
82#Summit subarch support 82#Summit subarch support
83mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit 83mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
84mcore-$(CONFIG_X86_SUMMIT) := arch/i386/mach-default 84mcore-$(CONFIG_X86_SUMMIT) := arch/x86/mach-default
85 85
86# generic subarchitecture 86# generic subarchitecture
87mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic 87mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
88mcore-$(CONFIG_X86_GENERICARCH) := arch/i386/mach-default 88mcore-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default
89core-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/ 89core-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/
90 90
91# ES7000 subarch support 91# ES7000 subarch support
92mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000 92mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000
93mcore-$(CONFIG_X86_ES7000) := arch/i386/mach-default 93mcore-$(CONFIG_X86_ES7000) := arch/x86/mach-default
94core-$(CONFIG_X86_ES7000) := arch/i386/mach-es7000/ 94core-$(CONFIG_X86_ES7000) := arch/i386/mach-es7000/
95 95
96# Xen paravirtualization support 96# Xen paravirtualization support
diff --git a/arch/i386/mach-default/Makefile b/arch/i386/mach-default/Makefile
deleted file mode 100644
index 012fe34459e6..000000000000
--- a/arch/i386/mach-default/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
1#
2# Makefile for the linux kernel.
3#
4
5obj-y := setup.o
diff --git a/arch/i386/mach-default/setup.c b/arch/i386/mach-default/setup.c
deleted file mode 100644
index 7f635c7a2381..000000000000
--- a/arch/i386/mach-default/setup.c
+++ /dev/null
@@ -1,180 +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#ifdef CONFIG_HOTPLUG_CPU
14#define DEFAULT_SEND_IPI (1)
15#else
16#define DEFAULT_SEND_IPI (0)
17#endif
18
19int no_broadcast=DEFAULT_SEND_IPI;
20
21/**
22 * pre_intr_init_hook - initialisation prior to setting up interrupt vectors
23 *
24 * Description:
25 * Perform any necessary interrupt initialisation prior to setting up
26 * the "ordinary" interrupt call gates. For legacy reasons, the ISA
27 * interrupts should be initialised here if the machine emulates a PC
28 * in any way.
29 **/
30void __init pre_intr_init_hook(void)
31{
32 init_ISA_irqs();
33}
34
35/*
36 * IRQ2 is cascade interrupt to second interrupt controller
37 */
38static struct irqaction irq2 = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL};
39
40/**
41 * intr_init_hook - post gate setup interrupt initialisation
42 *
43 * Description:
44 * Fill in any interrupts that may have been left out by the general
45 * init_IRQ() routine. interrupts having to do with the machine rather
46 * than the devices on the I/O bus (like APIC interrupts in intel MP
47 * systems) are started here.
48 **/
49void __init intr_init_hook(void)
50{
51#ifdef CONFIG_X86_LOCAL_APIC
52 apic_intr_init();
53#endif
54
55 if (!acpi_ioapic)
56 setup_irq(2, &irq2);
57}
58
59/**
60 * pre_setup_arch_hook - hook called prior to any setup_arch() execution
61 *
62 * Description:
63 * generally used to activate any machine specific identification
64 * routines that may be needed before setup_arch() runs. On VISWS
65 * this is used to get the board revision and type.
66 **/
67void __init pre_setup_arch_hook(void)
68{
69}
70
71/**
72 * trap_init_hook - initialise system specific traps
73 *
74 * Description:
75 * Called as the final act of trap_init(). Used in VISWS to initialise
76 * the various board specific APIC traps.
77 **/
78void __init trap_init_hook(void)
79{
80}
81
82static struct irqaction irq0 = {
83 .handler = timer_interrupt,
84 .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL,
85 .mask = CPU_MASK_NONE,
86 .name = "timer"
87};
88
89/**
90 * time_init_hook - do any specific initialisations for the system timer.
91 *
92 * Description:
93 * Must plug the system timer interrupt source at HZ into the IRQ listed
94 * in irq_vectors.h:TIMER_IRQ
95 **/
96void __init time_init_hook(void)
97{
98 irq0.mask = cpumask_of_cpu(0);
99 setup_irq(0, &irq0);
100}
101
102#ifdef CONFIG_MCA
103/**
104 * mca_nmi_hook - hook into MCA specific NMI chain
105 *
106 * Description:
107 * The MCA (Microchannel Arcitecture) has an NMI chain for NMI sources
108 * along the MCA bus. Use this to hook into that chain if you will need
109 * it.
110 **/
111void mca_nmi_hook(void)
112{
113 /* If I recall correctly, there's a whole bunch of other things that
114 * we can do to check for NMI problems, but that's all I know about
115 * at the moment.
116 */
117
118 printk("NMI generated from unknown source!\n");
119}
120#endif
121
122static __init int no_ipi_broadcast(char *str)
123{
124 get_option(&str, &no_broadcast);
125 printk ("Using %s mode\n", no_broadcast ? "No IPI Broadcast" :
126 "IPI Broadcast");
127 return 1;
128}
129
130__setup("no_ipi_broadcast", no_ipi_broadcast);
131
132static int __init print_ipi_mode(void)
133{
134 printk ("Using IPI %s mode\n", no_broadcast ? "No-Shortcut" :
135 "Shortcut");
136 return 0;
137}
138
139late_initcall(print_ipi_mode);
140
141/**
142 * machine_specific_memory_setup - Hook for machine specific memory setup.
143 *
144 * Description:
145 * This is included late in kernel/setup.c so that it can make
146 * use of all of the static functions.
147 **/
148
149char * __init machine_specific_memory_setup(void)
150{
151 char *who;
152
153
154 who = "BIOS-e820";
155
156 /*
157 * Try to copy the BIOS-supplied E820-map.
158 *
159 * Otherwise fake a memory map; one section from 0k->640k,
160 * the next section from 1mb->appropriate_mem_k
161 */
162 sanitize_e820_map(E820_MAP, &E820_MAP_NR);
163 if (copy_e820_map(E820_MAP, E820_MAP_NR) < 0) {
164 unsigned long mem_size;
165
166 /* compare results from other methods and take the greater */
167 if (ALT_MEM_K < EXT_MEM_K) {
168 mem_size = EXT_MEM_K;
169 who = "BIOS-88";
170 } else {
171 mem_size = ALT_MEM_K;
172 who = "BIOS-e801";
173 }
174
175 e820.nr_map = 0;
176 add_memory_region(0, LOWMEMSIZE(), E820_RAM);
177 add_memory_region(HIGH_MEMORY, mem_size << 10, E820_RAM);
178 }
179 return who;
180}