diff options
Diffstat (limited to 'arch/arm/mach-sa1100/time.c')
-rw-r--r-- | arch/arm/mach-sa1100/time.c | 72 |
1 files changed, 34 insertions, 38 deletions
diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c index 80702c9ecc77..934db6385cd6 100644 --- a/arch/arm/mach-sa1100/time.c +++ b/arch/arm/mach-sa1100/time.c @@ -69,12 +69,45 @@ sa1100_osmr0_set_mode(enum clock_event_mode mode, struct clock_event_device *c) } } +#ifdef CONFIG_PM +unsigned long osmr[4], oier; + +static void sa1100_timer_suspend(struct clock_event_device *cedev) +{ + osmr[0] = readl_relaxed(OSMR0); + osmr[1] = readl_relaxed(OSMR1); + osmr[2] = readl_relaxed(OSMR2); + osmr[3] = readl_relaxed(OSMR3); + oier = readl_relaxed(OIER); +} + +static void sa1100_timer_resume(struct clock_event_device *cedev) +{ + writel_relaxed(0x0f, OSSR); + writel_relaxed(osmr[0], OSMR0); + writel_relaxed(osmr[1], OSMR1); + writel_relaxed(osmr[2], OSMR2); + writel_relaxed(osmr[3], OSMR3); + writel_relaxed(oier, OIER); + + /* + * OSMR0 is the system timer: make sure OSCR is sufficiently behind + */ + writel_relaxed(OSMR0 - LATCH, OSCR); +} +#else +#define sa1100_timer_suspend NULL +#define sa1100_timer_resume NULL +#endif + static struct clock_event_device ckevt_sa1100_osmr0 = { .name = "osmr0", .features = CLOCK_EVT_FEAT_ONESHOT, .rating = 200, .set_next_event = sa1100_osmr0_set_next_event, .set_mode = sa1100_osmr0_set_mode, + .suspend = sa1100_timer_suspend, + .resume = sa1100_timer_resume, }; static struct irqaction sa1100_timer_irq = { @@ -84,7 +117,7 @@ static struct irqaction sa1100_timer_irq = { .dev_id = &ckevt_sa1100_osmr0, }; -static void __init sa1100_timer_init(void) +void __init sa1100_timer_init(void) { writel_relaxed(0, OIER); writel_relaxed(OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3, OSSR); @@ -104,40 +137,3 @@ static void __init sa1100_timer_init(void) clocksource_mmio_readl_up); clockevents_register_device(&ckevt_sa1100_osmr0); } - -#ifdef CONFIG_PM -unsigned long osmr[4], oier; - -static void sa1100_timer_suspend(void) -{ - osmr[0] = readl_relaxed(OSMR0); - osmr[1] = readl_relaxed(OSMR1); - osmr[2] = readl_relaxed(OSMR2); - osmr[3] = readl_relaxed(OSMR3); - oier = readl_relaxed(OIER); -} - -static void sa1100_timer_resume(void) -{ - writel_relaxed(0x0f, OSSR); - writel_relaxed(osmr[0], OSMR0); - writel_relaxed(osmr[1], OSMR1); - writel_relaxed(osmr[2], OSMR2); - writel_relaxed(osmr[3], OSMR3); - writel_relaxed(oier, OIER); - - /* - * OSMR0 is the system timer: make sure OSCR is sufficiently behind - */ - writel_relaxed(OSMR0 - LATCH, OSCR); -} -#else -#define sa1100_timer_suspend NULL -#define sa1100_timer_resume NULL -#endif - -struct sys_timer sa1100_timer = { - .init = sa1100_timer_init, - .suspend = sa1100_timer_suspend, - .resume = sa1100_timer_resume, -}; |