diff options
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/apic/numaq_32.c | 10 | ||||
| -rw-r--r-- | arch/x86/kernel/paravirt.c | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/setup.c | 43 | ||||
| -rw-r--r-- | arch/x86/kernel/time_32.c | 34 | ||||
| -rw-r--r-- | arch/x86/kernel/time_64.c | 9 | ||||
| -rw-r--r-- | arch/x86/kernel/tsc.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/visws_quirks.c | 20 | ||||
| -rw-r--r-- | arch/x86/kernel/vmi_32.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/x86_init.c | 3 |
9 files changed, 43 insertions, 81 deletions
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c index 71c5ea64586..f1ebed6bd15 100644 --- a/arch/x86/kernel/apic/numaq_32.c +++ b/arch/x86/kernel/apic/numaq_32.c @@ -129,10 +129,9 @@ void __cpuinit numaq_tsc_disable(void) } } -static int __init numaq_pre_time_init(void) +static void __init numaq_tsc_init(void) { numaq_tsc_disable(); - return 0; } static inline int generate_logical_apicid(int quad, int phys_apicid) @@ -262,11 +261,6 @@ static void __init smp_read_mpc_oem(struct mpc_table *mpc) } } -static struct x86_quirks numaq_x86_quirks __initdata = { - .arch_pre_time_init = numaq_pre_time_init, - .arch_time_init = NULL, -}; - static __init void early_check_numaq(void) { /* @@ -281,13 +275,13 @@ static __init void early_check_numaq(void) early_get_smp_config(); if (found_numaq) { - x86_quirks = &numaq_x86_quirks; x86_init.mpparse.mpc_record = numaq_mpc_record; x86_init.mpparse.setup_ioapic_ids = x86_init_noop; x86_init.mpparse.mpc_apic_id = mpc_apic_id; x86_init.mpparse.smp_read_mpc_oem = smp_read_mpc_oem; x86_init.mpparse.mpc_oem_pci_bus = mpc_oem_pci_bus; x86_init.mpparse.mpc_oem_bus_info = mpc_oem_bus_info; + x86_init.timers.tsc_pre_init = numaq_tsc_init; } } diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index 1ed32c79679..9c0e644a76d 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -306,7 +306,6 @@ struct pv_init_ops pv_init_ops = { }; struct pv_time_ops pv_time_ops = { - .time_init = hpet_time_init, .get_wallclock = native_get_wallclock, .set_wallclock = native_set_wallclock, .sched_clock = native_sched_clock, diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 43ec6aa175b..bb207a47c63 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -626,10 +626,6 @@ static int __init setup_elfcorehdr(char *arg) early_param("elfcorehdr", setup_elfcorehdr); #endif -static struct x86_quirks default_x86_quirks __initdata; - -struct x86_quirks *x86_quirks __initdata = &default_x86_quirks; - #ifdef CONFIG_X86_RESERVE_LOW_64K static int __init dmi_low_memory_corruption(const struct dmi_system_id *d) { @@ -1016,45 +1012,6 @@ void __init setup_arch(char **cmdline_p) #ifdef CONFIG_X86_32 -static struct irqaction irq0 = { - .handler = timer_interrupt, - .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER, - .name = "timer" -}; - -/** - * x86_quirk_pre_time_init - do any specific initialisations before. - * - **/ -void __init x86_quirk_pre_time_init(void) -{ - if (x86_quirks->arch_pre_time_init) - x86_quirks->arch_pre_time_init(); -} - -/** - * x86_quirk_time_init - do any specific initialisations for the system timer. - * - * Description: - * Must plug the system timer interrupt source at HZ into the IRQ listed - * in irq_vectors.h:TIMER_IRQ - **/ -void __init x86_quirk_time_init(void) -{ - if (x86_quirks->arch_time_init) { - /* - * A nonzero return code does not mean failure, it means - * that the architecture quirk does not want any - * generic (timer) setup to be performed after this: - */ - if (x86_quirks->arch_time_init()) - return; - } - - irq0.mask = cpumask_of_cpu(0); - setup_irq(0, &irq0); -} - static struct resource video_ram_resource = { .name = "Video RAM area", .start = 0xa0000, diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c index 5c5d87f0b2e..89bbb52218b 100644 --- a/arch/x86/kernel/time_32.c +++ b/arch/x86/kernel/time_32.c @@ -72,7 +72,7 @@ EXPORT_SYMBOL(profile_pc); * Time Stamp Counter value at the time of the timer interrupt, so that * we later on can estimate the time of day more exactly. */ -irqreturn_t timer_interrupt(int irq, void *dev_id) +static irqreturn_t timer_interrupt(int irq, void *dev_id) { /* Keep nmi watchdog up to date */ inc_irq_stat(irq0_irqs); @@ -113,25 +113,37 @@ irqreturn_t timer_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -/* Duplicate of time_init() below, with hpet_enable part added */ +static struct irqaction irq0 = { + .handler = timer_interrupt, + .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER, + .name = "timer" +}; + +void __init setup_default_timer_irq(void) +{ + irq0.mask = cpumask_of_cpu(0); + setup_irq(0, &irq0); +} + +/* Default timer init function */ void __init hpet_time_init(void) { if (!hpet_enable()) setup_pit_timer(); - x86_quirk_time_init(); + setup_default_timer_irq(); +} + +static void x86_late_time_init(void) +{ + x86_init.timers.timer_init(); } /* - * This is called directly from init code; we must delay timer setup in the - * HPET case as we can't make the decision to turn on HPET this early in the - * boot process. - * - * The chosen time_init function will usually be hpet_time_init, above, but - * in the case of virtual hardware, an alternative function may be substituted. + * Initialize TSC and delay the periodic timer init to + * late x86_late_time_init() so ioremap works. */ void __init time_init(void) { - x86_quirk_pre_time_init(); tsc_init(); - late_time_init = choose_time_init(); + late_time_init = x86_late_time_init; } diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c index 5ba343e6184..38a7df94c10 100644 --- a/arch/x86/kernel/time_64.c +++ b/arch/x86/kernel/time_64.c @@ -19,6 +19,7 @@ #include <linux/mca.h> #include <linux/nmi.h> +#include <asm/x86_init.h> #include <asm/i8253.h> #include <asm/hpet.h> #include <asm/vgtod.h> @@ -127,9 +128,13 @@ void __init hpet_time_init(void) setup_irq(0, &irq0); } +static void x86_late_time_init(void) +{ + x86_init.timers.timer_init(); +} + void __init time_init(void) { tsc_init(); - - late_time_init = choose_time_init(); + late_time_init = x86_late_time_init; } diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index 71f4368b357..652bc214eeb 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -857,6 +857,8 @@ void __init tsc_init(void) u64 lpj; int cpu; + x86_init.timers.tsc_pre_init(); + if (!cpu_has_tsc) return; diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c index 2719091b335..f068553a1b1 100644 --- a/arch/x86/kernel/visws_quirks.c +++ b/arch/x86/kernel/visws_quirks.c @@ -30,6 +30,7 @@ #include <asm/setup.h> #include <asm/apic.h> #include <asm/e820.h> +#include <asm/time.h> #include <asm/io.h> #include <linux/kernel_stat.h> @@ -53,7 +54,7 @@ int is_visws_box(void) return visws_board_type >= 0; } -static int __init visws_time_init(void) +static void __init visws_time_init(void) { printk(KERN_INFO "Starting Cobalt Timer system clock\n"); @@ -66,11 +67,7 @@ static int __init visws_time_init(void) /* Enable (unmask) the timer interrupt */ co_cpu_write(CO_CPU_CTRL, co_cpu_read(CO_CPU_CTRL) & ~CO_CTRL_TIMEMASK); - /* - * Zero return means the generic timer setup code will set up - * the standard vector: - */ - return 0; + setup_default_timer_irq(); } /* Replaces the default init_ISA_irqs in the generic setup */ @@ -226,10 +223,6 @@ static void __init visws_find_smp_config(unsigned int reserve) static void visws_trap_init(void); -static struct x86_quirks visws_x86_quirks __initdata = { - .arch_time_init = visws_time_init, -}; - void __init visws_early_detect(void) { int raw; @@ -241,17 +234,14 @@ void __init visws_early_detect(void) return; /* - * Install special quirks for timer, interrupt and memory setup: - * Fall back to generic behavior for traps: - * Override generic MP-table parsing: + * Override the default platform setup functions */ - x86_quirks = &visws_x86_quirks; - x86_init.resources.memory_setup = visws_memory_setup; x86_init.mpparse.get_smp_config = visws_get_smp_config; x86_init.mpparse.find_smp_config = visws_find_smp_config; x86_init.irqs.pre_vector_init = visws_pre_intr_init; x86_init.irqs.trap_init = visws_trap_init; + x86_init.timers.timer_init = visws_time_init; /* * Install reboot quirks: diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c index b43b6685cae..cd7d0fbbf66 100644 --- a/arch/x86/kernel/vmi_32.c +++ b/arch/x86/kernel/vmi_32.c @@ -817,7 +817,7 @@ static inline int __init activate_vmi(void) vmi_timer_ops.set_alarm = vmi_get_function(VMI_CALL_SetAlarm); vmi_timer_ops.cancel_alarm = vmi_get_function(VMI_CALL_CancelAlarm); - pv_time_ops.time_init = vmi_time_init; + x86_init.timers.timer_init = vmi_time_init; pv_time_ops.get_wallclock = vmi_get_wallclock; pv_time_ops.set_wallclock = vmi_set_wallclock; #ifdef CONFIG_X86_LOCAL_APIC diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c index e666a98db7c..4790b92714a 100644 --- a/arch/x86/kernel/x86_init.c +++ b/arch/x86/kernel/x86_init.c @@ -11,6 +11,7 @@ #include <asm/setup.h> #include <asm/apic.h> #include <asm/e820.h> +#include <asm/time.h> #include <asm/irq.h> void __cpuinit x86_init_noop(void) { } @@ -58,6 +59,8 @@ struct __initdata x86_init_ops x86_init = { .timers = { .setup_percpu_clockev = setup_boot_APIC_clock, + .tsc_pre_init = x86_init_noop, + .timer_init = hpet_time_init, }, }; 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