/*
- * linux/arch/arm/plat-omap/timer32k.c
+ * linux/arch/arm/mach-omap1/timer32k.c
*
* OMAP 32K Timer
*
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/spinlock.h>
-
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/clocksource.h>
#include <linux/clockchips.h>
+#include <linux/io.h>
#include <asm/system.h>
-#include <asm/hardware.h>
-#include <asm/io.h>
+#include <mach/hardware.h>
#include <asm/leds.h>
#include <asm/irq.h>
#include <asm/mach/irq.h>
#include <asm/mach/time.h>
-#include <asm/arch/dmtimer.h>
+#include <plat/dmtimer.h>
struct sys_timer omap_timer;
* ---------------------------------------------------------------------------
*/
-#if defined(CONFIG_ARCH_OMAP16XX)
-#define TIMER_32K_SYNCHRONIZED 0xfffbc410
-#elif defined(CONFIG_ARCH_OMAP24XX)
-#define TIMER_32K_SYNCHRONIZED (OMAP24XX_32KSYNCT_BASE + 0x10)
-#else
-#error OMAP 32KHz timer does not currently work on 15XX!
-#endif
-
/* 16xx specific defines */
#define OMAP1_32K_TIMER_BASE 0xfffb9000
#define OMAP1_32K_TIMER_CR 0x08
#define omap_32k_timer_ack_irq()
+static int omap_32k_timer_set_next_event(unsigned long delta,
+ struct clock_event_device *dev)
+{
+ omap_32k_timer_start(delta);
+
+ return 0;
+}
+
static void omap_32k_timer_set_mode(enum clock_event_mode mode,
struct clock_event_device *evt)
{
static struct clock_event_device clockevent_32k_timer = {
.name = "32k-timer",
- .features = CLOCK_EVT_FEAT_PERIODIC,
+ .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
.shift = 32,
+ .set_next_event = omap_32k_timer_set_next_event,
.set_mode = omap_32k_timer_set_mode,
};
-/*
- * The 32KHz synchronized timer is an additional timer on 16xx.
- * It is always running.
- */
-static inline unsigned long omap_32k_sync_timer_read(void)
-{
- return omap_readl(TIMER_32K_SYNCHRONIZED);
-}
-
static irqreturn_t omap_32k_timer_interrupt(int irq, void *dev_id)
{
struct clock_event_device *evt = &clockevent_32k_timer;
static __init void omap_init_32k_timer(void)
{
+ setup_irq(INT_OS_TIMER, &omap_32k_timer_irq);
+
clockevent_32k_timer.mult = div_sc(OMAP_32K_TICKS_PER_SEC,
NSEC_PER_SEC,
clockevent_32k_timer.shift);
clockevent_32k_timer.min_delta_ns =
clockevent_delta2ns(1, &clockevent_32k_timer);
- clockevent_32k_timer.cpumask = cpumask_of_cpu(0);
+ clockevent_32k_timer.cpumask = cpumask_of(0);
clockevents_register_device(&clockevent_32k_timer);
}