x86: Introduce x86_msi_ops
[linux-2.6.git] / arch / x86 / kernel / x86_init.c
1 /*
2  * Copyright (C) 2009 Thomas Gleixner <tglx@linutronix.de>
3  *
4  *  For licencing details see kernel-base/COPYING
5  */
6 #include <linux/init.h>
7 #include <linux/ioport.h>
8 #include <linux/module.h>
9 #include <linux/pci.h>
10
11 #include <asm/bios_ebda.h>
12 #include <asm/paravirt.h>
13 #include <asm/pci_x86.h>
14 #include <asm/pci.h>
15 #include <asm/mpspec.h>
16 #include <asm/setup.h>
17 #include <asm/apic.h>
18 #include <asm/e820.h>
19 #include <asm/time.h>
20 #include <asm/irq.h>
21 #include <asm/pat.h>
22 #include <asm/tsc.h>
23 #include <asm/iommu.h>
24
25 void __cpuinit x86_init_noop(void) { }
26 void __init x86_init_uint_noop(unsigned int unused) { }
27 void __init x86_init_pgd_noop(pgd_t *unused) { }
28 int __init iommu_init_noop(void) { return 0; }
29 void iommu_shutdown_noop(void) { }
30
31 /*
32  * The platform setup functions are preset with the default functions
33  * for standard PC hardware.
34  */
35 struct x86_init_ops x86_init __initdata = {
36
37         .resources = {
38                 .probe_roms             = x86_init_noop,
39                 .reserve_resources      = reserve_standard_io_resources,
40                 .memory_setup           = default_machine_specific_memory_setup,
41         },
42
43         .mpparse = {
44                 .mpc_record             = x86_init_uint_noop,
45                 .setup_ioapic_ids       = x86_init_noop,
46                 .mpc_apic_id            = default_mpc_apic_id,
47                 .smp_read_mpc_oem       = default_smp_read_mpc_oem,
48                 .mpc_oem_bus_info       = default_mpc_oem_bus_info,
49                 .find_smp_config        = default_find_smp_config,
50                 .get_smp_config         = default_get_smp_config,
51         },
52
53         .irqs = {
54                 .pre_vector_init        = init_ISA_irqs,
55                 .intr_init              = native_init_IRQ,
56                 .trap_init              = x86_init_noop,
57         },
58
59         .oem = {
60                 .arch_setup             = x86_init_noop,
61                 .banner                 = default_banner,
62         },
63
64         .paging = {
65                 .pagetable_setup_start  = native_pagetable_setup_start,
66                 .pagetable_setup_done   = native_pagetable_setup_done,
67         },
68
69         .timers = {
70                 .setup_percpu_clockev   = setup_boot_APIC_clock,
71                 .tsc_pre_init           = x86_init_noop,
72                 .timer_init             = hpet_time_init,
73         },
74
75         .iommu = {
76                 .iommu_init             = iommu_init_noop,
77         },
78
79         .pci = {
80                 .init                   = x86_default_pci_init,
81                 .init_irq               = x86_default_pci_init_irq,
82                 .fixup_irqs             = x86_default_pci_fixup_irqs,
83         },
84 };
85
86 struct x86_cpuinit_ops x86_cpuinit __cpuinitdata = {
87         .setup_percpu_clockev           = setup_secondary_APIC_clock,
88 };
89
90 static void default_nmi_init(void) { };
91 static int default_i8042_detect(void) { return 1; };
92
93 struct x86_platform_ops x86_platform = {
94         .calibrate_tsc                  = native_calibrate_tsc,
95         .get_wallclock                  = mach_get_cmos_time,
96         .set_wallclock                  = mach_set_rtc_mmss,
97         .iommu_shutdown                 = iommu_shutdown_noop,
98         .is_untracked_pat_range         = is_ISA_range,
99         .nmi_init                       = default_nmi_init,
100         .i8042_detect                   = default_i8042_detect
101 };
102
103 EXPORT_SYMBOL_GPL(x86_platform);
104 struct x86_msi_ops x86_msi = {
105         .setup_msi_irqs = native_setup_msi_irqs,
106         .teardown_msi_irq = native_teardown_msi_irq,
107         .teardown_msi_irqs = default_teardown_msi_irqs,
108 };