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Diffstat (limited to 'arch/arm/mach-pxa/time.c')
-rw-r--r--arch/arm/mach-pxa/time.c76
1 files changed, 34 insertions, 42 deletions
diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c
index 4bc47d63698b..8f1ee92aea30 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 +125,38 @@ 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);
+
+ 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_config_and_register(&ckevt_pxa_osmr0, clock_tick_rate,
+ MIN_OSCR_DELTA * 2, 0x7fffffff);
+}