+static int timer_set_next_event(unsigned long evt,
+ struct clock_event_device *unused)
+{
+ unsigned long ctrl = readl(timer0_va_base + TIMER_CTRL);
+
+ writel(evt, timer0_va_base + TIMER_LOAD);
+ writel(ctrl | TIMER_CTRL_ENABLE, timer0_va_base + TIMER_CTRL);
+
+ return 0;
+}
+
+static struct clock_event_device timer0_clockevent = {
+ .name = "timer0",
+ .shift = 32,
+ .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
+ .set_mode = timer_set_mode,
+ .set_next_event = timer_set_next_event,
+ .rating = 300,
+ .cpumask = CPU_MASK_ALL,
+};
+
+static void __init realview_clockevents_init(unsigned int timer_irq)
+{
+ timer0_clockevent.irq = timer_irq;
+ timer0_clockevent.mult =
+ div_sc(1000000, NSEC_PER_SEC, timer0_clockevent.shift);
+ timer0_clockevent.max_delta_ns =
+ clockevent_delta2ns(0xffffffff, &timer0_clockevent);
+ timer0_clockevent.min_delta_ns =
+ clockevent_delta2ns(0xf, &timer0_clockevent);
+
+ clockevents_register_device(&timer0_clockevent);