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