LXR linux/arch/x86/kernel/x86

   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
  25void __cpuinit x86_init_noop(void) { }
  26void __init x86_init_uint_noop(unsigned int unused) { }
  27void __init x86_init_pgd_noop(pgd_t *unused) { }
  28int __init iommu_init_noop(void) { return 0; }
  29void iommu_shutdown_noop(void) { }
  30
  31/*
  32 * The platform setup functions are preset with the default functions
  33 * for standard PC hardware.
  34 */
  35struct x86_init_ops x86_init __initdata = {
  36
  37        .resources = {
  38                .probe_roms             = probe_roms,
  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
  91struct x86_cpuinit_ops x86_cpuinit __cpuinitdata = {
  92        .setup_percpu_clockev           = setup_secondary_APIC_clock,
  93};
  94
  95static void default_nmi_init(void) { };
  96static int default_i8042_detect(void) { return 1; };
  97
  98struct 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
 108EXPORT_SYMBOL_GPL(x86_platform);
 109struct 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