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 8 #include <asm/bios_ebda.h> 9 #include <asm/paravirt.h> 10 #include <asm/mpspec.h> 11 #include <asm/setup.h> 12 #include <asm/apic.h> 13 #include <asm/e820.h> 14 #include <asm/time.h> 15 #include <asm/irq.h> 16 #include <asm/tsc.h> 17 18 void __cpuinit x86_init_noop(void) { } 19 void __init x86_init_uint_noop(unsigned int unused) { } 20 void __init x86_init_pgd_noop(pgd_t *unused) { } 21 22 /* 23 * The platform setup functions are preset with the default functions 24 * for standard PC hardware. 25 */ 26 struct x86_init_ops x86_init __initdata = { 27 28 .resources = { 29 .probe_roms = x86_init_noop, 30 .reserve_resources = reserve_standard_io_resources, 31 .memory_setup = default_machine_specific_memory_setup, 32 }, 33 34 .mpparse = { 35 .mpc_record = x86_init_uint_noop, 36 .setup_ioapic_ids = x86_init_noop, 37 .mpc_apic_id = default_mpc_apic_id, 38 .smp_read_mpc_oem = default_smp_read_mpc_oem, 39 .mpc_oem_bus_info = default_mpc_oem_bus_info, 40 .find_smp_config = default_find_smp_config, 41 .get_smp_config = default_get_smp_config, 42 }, 43 44 .irqs = { 45 .pre_vector_init = init_ISA_irqs, 46 .intr_init = native_init_IRQ, 47 .trap_init = x86_init_noop, 48 }, 49 50 .oem = { 51 .arch_setup = x86_init_noop, 52 .banner = default_banner, 53 }, 54 55 .paging = { 56 .pagetable_setup_start = native_pagetable_setup_start, 57 .pagetable_setup_done = native_pagetable_setup_done, 58 }, 59 60 .timers = { 61 .setup_percpu_clockev = setup_boot_APIC_clock, 62 .tsc_pre_init = x86_init_noop, 63 .timer_init = hpet_time_init, 64 }, 65 }; 66 67 struct x86_cpuinit_ops x86_cpuinit __cpuinitdata = { 68 .setup_percpu_clockev = setup_secondary_APIC_clock, 69 }; 70 71 struct x86_platform_ops x86_platform = { 72 .calibrate_tsc = native_calibrate_tsc, 73 .get_wallclock = mach_get_cmos_time, 74 .set_wallclock = mach_set_rtc_mmss, 75 }; 76