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 }; 109