diff options
Diffstat (limited to 'arch/sparc/kernel/sun4d_irq.c')
| -rw-r--r-- | arch/sparc/kernel/sun4d_irq.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c index 30119f662eff..abf52654a8bc 100644 --- a/arch/sparc/kernel/sun4d_irq.c +++ b/arch/sparc/kernel/sun4d_irq.c @@ -282,7 +282,8 @@ 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) @@ -423,7 +424,7 @@ static void __init sun4d_fixup_trap_table(void) #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 +467,20 @@ 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); @@ -514,6 +523,7 @@ void __init sun4d_init_IRQ(void) sparc_config.init_timers = sun4d_init_timers; sparc_config.build_device_irq = sun4d_build_device_irq; + sparc_config.clock_rate = SBUS_CLOCK_RATE; #ifdef CONFIG_SMP BTFIXUPSET_CALL(set_cpu_int, sun4d_set_cpu_int, BTFIXUPCALL_NORM); |