diff options
Diffstat (limited to 'arch/arm/mach-pxa/time.c')
-rw-r--r-- | arch/arm/mach-pxa/time.c | 80 |
1 files changed, 38 insertions, 42 deletions
diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c index 4bc47d63698b..bea19a06b2bf 100644 --- a/arch/arm/mach-pxa/time.c +++ b/arch/arm/mach-pxa/time.c @@ -89,48 +89,10 @@ pxa_osmr0_set_mode(enum clock_event_mode mode, struct clock_event_device *dev) } } -static struct clock_event_device ckevt_pxa_osmr0 = { - .name = "osmr0", - .features = CLOCK_EVT_FEAT_ONESHOT, - .rating = 200, - .set_next_event = pxa_osmr0_set_next_event, - .set_mode = pxa_osmr0_set_mode, -}; - -static struct irqaction pxa_ost0_irq = { - .name = "ost0", - .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, - .handler = pxa_ost0_interrupt, - .dev_id = &ckevt_pxa_osmr0, -}; - -static void __init pxa_timer_init(void) -{ - unsigned long clock_tick_rate = get_clock_tick_rate(); - - writel_relaxed(0, OIER); - writel_relaxed(OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3, OSSR); - - setup_sched_clock(pxa_read_sched_clock, 32, clock_tick_rate); - - clockevents_calc_mult_shift(&ckevt_pxa_osmr0, clock_tick_rate, 4); - ckevt_pxa_osmr0.max_delta_ns = - clockevent_delta2ns(0x7fffffff, &ckevt_pxa_osmr0); - ckevt_pxa_osmr0.min_delta_ns = - clockevent_delta2ns(MIN_OSCR_DELTA * 2, &ckevt_pxa_osmr0) + 1; - ckevt_pxa_osmr0.cpumask = cpumask_of(0); - - setup_irq(IRQ_OST0, &pxa_ost0_irq); - - clocksource_mmio_init(OSCR, "oscr0", clock_tick_rate, 200, 32, - clocksource_mmio_readl_up); - clockevents_register_device(&ckevt_pxa_osmr0); -} - #ifdef CONFIG_PM static unsigned long osmr[4], oier, oscr; -static void pxa_timer_suspend(void) +static void pxa_timer_suspend(struct clock_event_device *cedev) { osmr[0] = readl_relaxed(OSMR0); osmr[1] = readl_relaxed(OSMR1); @@ -140,7 +102,7 @@ static void pxa_timer_suspend(void) oscr = readl_relaxed(OSCR); } -static void pxa_timer_resume(void) +static void pxa_timer_resume(struct clock_event_device *cedev) { /* * Ensure that we have at least MIN_OSCR_DELTA between match @@ -163,8 +125,42 @@ static void pxa_timer_resume(void) #define pxa_timer_resume NULL #endif -struct sys_timer pxa_timer = { - .init = pxa_timer_init, +static struct clock_event_device ckevt_pxa_osmr0 = { + .name = "osmr0", + .features = CLOCK_EVT_FEAT_ONESHOT, + .rating = 200, + .set_next_event = pxa_osmr0_set_next_event, + .set_mode = pxa_osmr0_set_mode, .suspend = pxa_timer_suspend, .resume = pxa_timer_resume, }; + +static struct irqaction pxa_ost0_irq = { + .name = "ost0", + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, + .handler = pxa_ost0_interrupt, + .dev_id = &ckevt_pxa_osmr0, +}; + +void __init pxa_timer_init(void) +{ + unsigned long clock_tick_rate = get_clock_tick_rate(); + + writel_relaxed(0, OIER); + writel_relaxed(OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3, OSSR); + + setup_sched_clock(pxa_read_sched_clock, 32, clock_tick_rate); + + clockevents_calc_mult_shift(&ckevt_pxa_osmr0, clock_tick_rate, 4); + ckevt_pxa_osmr0.max_delta_ns = + clockevent_delta2ns(0x7fffffff, &ckevt_pxa_osmr0); + ckevt_pxa_osmr0.min_delta_ns = + clockevent_delta2ns(MIN_OSCR_DELTA * 2, &ckevt_pxa_osmr0) + 1; + ckevt_pxa_osmr0.cpumask = cpumask_of(0); + + setup_irq(IRQ_OST0, &pxa_ost0_irq); + + clocksource_mmio_init(OSCR, "oscr0", clock_tick_rate, 200, 32, + clocksource_mmio_readl_up); + clockevents_register_device(&ckevt_pxa_osmr0); +} |