diff options
Diffstat (limited to 'arch/sparc/kernel/sun4d_irq.c')
-rw-r--r-- | arch/sparc/kernel/sun4d_irq.c | 48 |
1 files changed, 20 insertions, 28 deletions
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c index 1d13c5bda0b..e490ac9327c 100644 --- a/arch/sparc/kernel/sun4d_irq.c +++ b/arch/sparc/kernel/sun4d_irq.c @@ -15,6 +15,7 @@ #include <asm/sbi.h> #include <asm/cacheflush.h> #include <asm/setup.h> +#include <asm/oplib.h> #include "kernel.h" #include "irq.h" @@ -243,19 +244,6 @@ struct irq_chip sun4d_irq = { }; #ifdef CONFIG_SMP -static void sun4d_set_cpu_int(int cpu, int level) -{ - sun4d_send_ipi(cpu, level); -} - -static void sun4d_clear_ipi(int cpu, int level) -{ -} - -static void sun4d_set_udt(int cpu) -{ -} - /* Setup IRQ distribution scheme. */ void __init sun4d_distribute_irqs(void) { @@ -282,7 +270,8 @@ static void sun4d_clear_clock_irq(void) static void sun4d_load_profile_irq(int cpu, unsigned int limit) { - bw_set_prof_limit(cpu, limit); + unsigned int value = limit ? timer_value(limit) : 0; + bw_set_prof_limit(cpu, value); } static void __init sun4d_load_profile_irqs(void) @@ -418,12 +407,12 @@ static void __init sun4d_fixup_trap_table(void) trap_table->inst_two = lvl14_save[1]; trap_table->inst_three = lvl14_save[2]; trap_table->inst_four = lvl14_save[3]; - local_flush_cache_all(); + local_ops->cache_all(); local_irq_restore(flags); #endif } -static void __init sun4d_init_timers(irq_handler_t counter_fn) +static void __init sun4d_init_timers(void) { struct device_node *dp; struct resource res; @@ -466,12 +455,20 @@ static void __init sun4d_init_timers(irq_handler_t counter_fn) prom_halt(); } - sbus_writel((((1000000/HZ) + 1) << 10), &sun4d_timers->l10_timer_limit); +#ifdef CONFIG_SMP + sparc_config.cs_period = SBUS_CLOCK_RATE * 2; /* 2 seconds */ +#else + sparc_config.cs_period = SBUS_CLOCK_RATE / HZ; /* 1/HZ sec */ + sparc_config.features |= FEAT_L10_CLOCKEVENT; +#endif + sparc_config.features |= FEAT_L10_CLOCKSOURCE; + sbus_writel(timer_value(sparc_config.cs_period), + &sun4d_timers->l10_timer_limit); master_l10_counter = &sun4d_timers->l10_cur_count; irq = sun4d_build_timer_irq(board, SUN4D_TIMER_IRQ); - err = request_irq(irq, counter_fn, IRQF_TIMER, "timer", NULL); + err = request_irq(irq, timer_interrupt, IRQF_TIMER, "timer", NULL); if (err) { prom_printf("sun4d_init_timers: request_irq() failed with %d\n", err); @@ -509,16 +506,11 @@ void __init sun4d_init_IRQ(void) { local_irq_disable(); - BTFIXUPSET_CALL(clear_clock_irq, sun4d_clear_clock_irq, BTFIXUPCALL_NORM); - BTFIXUPSET_CALL(load_profile_irq, sun4d_load_profile_irq, BTFIXUPCALL_NORM); + sparc_config.init_timers = sun4d_init_timers; + sparc_config.build_device_irq = sun4d_build_device_irq; + sparc_config.clock_rate = SBUS_CLOCK_RATE; + sparc_config.clear_clock_irq = sun4d_clear_clock_irq; + sparc_config.load_profile_irq = sun4d_load_profile_irq; - sparc_irq_config.init_timers = sun4d_init_timers; - sparc_irq_config.build_device_irq = sun4d_build_device_irq; - -#ifdef CONFIG_SMP - BTFIXUPSET_CALL(set_cpu_int, sun4d_set_cpu_int, BTFIXUPCALL_NORM); - BTFIXUPSET_CALL(clear_cpu_int, sun4d_clear_ipi, BTFIXUPCALL_NOP); - BTFIXUPSET_CALL(set_irq_udt, sun4d_set_udt, BTFIXUPCALL_NOP); -#endif /* Cannot enable interrupts until OBP ticker is disabled. */ } |