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
x86_init_noop(void)25 void __cpuinit x86_init_noop(void) { }
x86_init_uint_noop(unsigned int unused)26 void __init x86_init_uint_noop(unsigned int unused) { }
x86_init_pgd_noop(pgd_t * unused)27 void __init x86_init_pgd_noop(pgd_t *unused) { }
iommu_init_noop(void)28 int __init iommu_init_noop(void) { return 0; }
iommu_shutdown_noop(void)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 .mapping = {
65 .pagetable_reserve = native_pagetable_reserve,
66 },
67
68 .paging = {
69 .pagetable_setup_start = native_pagetable_setup_start,
70 .pagetable_setup_done = native_pagetable_setup_done,
71 },
72
73 .timers = {
74 .setup_percpu_clockev = setup_boot_APIC_clock,
75 .tsc_pre_init = x86_init_noop,
76 .timer_init = hpet_time_init,
77 .wallclock_init = x86_init_noop,
78 },
79
80 .iommu = {
81 .iommu_init = iommu_init_noop,
82 },
83
84 .pci = {
85 .init = x86_default_pci_init,
86 .init_irq = x86_default_pci_init_irq,
87 .fixup_irqs = x86_default_pci_fixup_irqs,
88 },
89 };
90
91 struct x86_cpuinit_ops x86_cpuinit __cpuinitdata = {
92 .setup_percpu_clockev = setup_secondary_APIC_clock,
93 };
94
default_nmi_init(void)95 static void default_nmi_init(void) { };
default_i8042_detect(void)96 static int default_i8042_detect(void) { return 1; };
97
98 struct x86_platform_ops x86_platform = {
99 .calibrate_tsc = native_calibrate_tsc,
100 .get_wallclock = mach_get_cmos_time,
101 .set_wallclock = mach_set_rtc_mmss,
102 .iommu_shutdown = iommu_shutdown_noop,
103 .is_untracked_pat_range = is_ISA_range,
104 .nmi_init = default_nmi_init,
105 .i8042_detect = default_i8042_detect
106 };
107
108 EXPORT_SYMBOL_GPL(x86_platform);
109 struct x86_msi_ops x86_msi = {
110 .setup_msi_irqs = native_setup_msi_irqs,
111 .teardown_msi_irq = native_teardown_msi_irq,
112 .teardown_msi_irqs = default_teardown_msi_irqs,
113 };
114