2 * Copyright (C) 2009 Thomas Gleixner <tglx@linutronix.de>
4 * For licencing details see kernel-base/COPYING
6 #include <linux/init.h>
7 #include <linux/ioport.h>
8 #include <linux/module.h>
11 #include <asm/bios_ebda.h>
12 #include <asm/paravirt.h>
13 #include <asm/pci_x86.h>
15 #include <asm/mpspec.h>
16 #include <asm/setup.h>
21 #include <asm/io_apic.h>
24 #include <asm/iommu.h>
25 #include <asm/mach_traps.h>
27 void __cpuinit x86_init_noop(void) { }
28 void __init x86_init_uint_noop(unsigned int unused) { }
29 void __init x86_init_pgd_noop(pgd_t *unused) { }
30 int __init iommu_init_noop(void) { return 0; }
31 void iommu_shutdown_noop(void) { }
32 void wallclock_init_noop(void) { }
35 * The platform setup functions are preset with the default functions
36 * for standard PC hardware.
38 struct x86_init_ops x86_init __initdata = {
41 .probe_roms = probe_roms,
42 .reserve_resources = reserve_standard_io_resources,
43 .memory_setup = default_machine_specific_memory_setup,
47 .mpc_record = x86_init_uint_noop,
48 .setup_ioapic_ids = x86_init_noop,
49 .mpc_apic_id = default_mpc_apic_id,
50 .smp_read_mpc_oem = default_smp_read_mpc_oem,
51 .mpc_oem_bus_info = default_mpc_oem_bus_info,
52 .find_smp_config = default_find_smp_config,
53 .get_smp_config = default_get_smp_config,
57 .pre_vector_init = init_ISA_irqs,
58 .intr_init = native_init_IRQ,
59 .trap_init = x86_init_noop,
63 .arch_setup = x86_init_noop,
64 .banner = default_banner,
68 .pagetable_reserve = native_pagetable_reserve,
72 .pagetable_setup_start = native_pagetable_setup_start,
73 .pagetable_setup_done = native_pagetable_setup_done,
77 .setup_percpu_clockev = setup_boot_APIC_clock,
78 .tsc_pre_init = x86_init_noop,
79 .timer_init = hpet_time_init,
80 .wallclock_init = x86_init_noop,
84 .iommu_init = iommu_init_noop,
88 .init = x86_default_pci_init,
89 .init_irq = x86_default_pci_init_irq,
90 .fixup_irqs = x86_default_pci_fixup_irqs,
94 struct x86_cpuinit_ops x86_cpuinit __cpuinitdata = {
95 .early_percpu_clock_init = x86_init_noop,
96 .setup_percpu_clockev = setup_secondary_APIC_clock,
99 static void default_nmi_init(void) { };
100 static int default_i8042_detect(void) { return 1; };
102 struct x86_platform_ops x86_platform = {
103 .calibrate_tsc = native_calibrate_tsc,
104 .wallclock_init = wallclock_init_noop,
105 .get_wallclock = mach_get_cmos_time,
106 .set_wallclock = mach_set_rtc_mmss,
107 .iommu_shutdown = iommu_shutdown_noop,
108 .is_untracked_pat_range = is_ISA_range,
109 .nmi_init = default_nmi_init,
110 .get_nmi_reason = default_get_nmi_reason,
111 .i8042_detect = default_i8042_detect,
112 .save_sched_clock_state = tsc_save_sched_clock_state,
113 .restore_sched_clock_state = tsc_restore_sched_clock_state,
116 EXPORT_SYMBOL_GPL(x86_platform);
117 struct x86_msi_ops x86_msi = {
118 .setup_msi_irqs = native_setup_msi_irqs,
119 .teardown_msi_irq = native_teardown_msi_irq,
120 .teardown_msi_irqs = default_teardown_msi_irqs,
121 .restore_msi_irqs = default_restore_msi_irqs,
124 struct x86_io_apic_ops x86_io_apic_ops = {
125 .init = native_io_apic_init_mappings,
126 .read = native_io_apic_read,
127 .write = native_io_apic_write,
128 .modify = native_io_apic_modify,