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Diffstat (limited to 'arch/x86/kernel/x86_init.c')
-rw-r--r--arch/x86/kernel/x86_init.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
new file mode 100644
index 000000000000..4449a4a2c2ed
--- /dev/null
+++ b/arch/x86/kernel/x86_init.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2009 Thomas Gleixner <tglx@linutronix.de>
+ *
+ * For licencing details see kernel-base/COPYING
+ */
+#include <linux/init.h>
+
+#include <asm/bios_ebda.h>
+#include <asm/paravirt.h>
+#include <asm/mpspec.h>
+#include <asm/setup.h>
+#include <asm/apic.h>
+#include <asm/e820.h>
+#include <asm/time.h>
+#include <asm/irq.h>
+#include <asm/tsc.h>
+
+void __cpuinit x86_init_noop(void) { }
+void __init x86_init_uint_noop(unsigned int unused) { }
+void __init x86_init_pgd_noop(pgd_t *unused) { }
+
+/*
+ * The platform setup functions are preset with the default functions
+ * for standard PC hardware.
+ */
+struct x86_init_ops x86_init __initdata = {
+
+ .resources = {
+ .probe_roms = x86_init_noop,
+ .reserve_resources = reserve_standard_io_resources,
+ .memory_setup = default_machine_specific_memory_setup,
+ },
+
+ .mpparse = {
+ .mpc_record = x86_init_uint_noop,
+ .setup_ioapic_ids = x86_init_noop,
+ .mpc_apic_id = default_mpc_apic_id,
+ .smp_read_mpc_oem = default_smp_read_mpc_oem,
+ .mpc_oem_bus_info = default_mpc_oem_bus_info,
+ .find_smp_config = default_find_smp_config,
+ .get_smp_config = default_get_smp_config,
+ },
+
+ .irqs = {
+ .pre_vector_init = init_ISA_irqs,
+ .intr_init = native_init_IRQ,
+ .trap_init = x86_init_noop,
+ },
+
+ .oem = {
+ .arch_setup = x86_init_noop,
+ .banner = default_banner,
+ },
+
+ .paging = {
+ .pagetable_setup_start = native_pagetable_setup_start,
+ .pagetable_setup_done = native_pagetable_setup_done,
+ },
+
+ .timers = {
+ .setup_percpu_clockev = setup_boot_APIC_clock,
+ .tsc_pre_init = x86_init_noop,
+ .timer_init = hpet_time_init,
+ },
+};
+
+struct x86_cpuinit_ops x86_cpuinit __cpuinitdata = {
+ .setup_percpu_clockev = setup_secondary_APIC_clock,
+};
+
+struct x86_platform_ops x86_platform = {
+ .calibrate_tsc = native_calibrate_tsc,
+ .get_wallclock = mach_get_cmos_time,
+ .set_wallclock = mach_set_rtc_mmss,
+};