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Diffstat (limited to 'arch/arm/plat-spear/time.c')
-rw-r--r--arch/arm/plat-spear/time.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/arch/arm/plat-spear/time.c b/arch/arm/plat-spear/time.c
index 0c77e429867..a3164d1647f 100644
--- a/arch/arm/plat-spear/time.c
+++ b/arch/arm/plat-spear/time.c
@@ -15,14 +15,13 @@
#include <linux/err.h>
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/ioport.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/time.h>
#include <linux/irq.h>
#include <asm/mach/time.h>
#include <mach/generic.h>
-#include <mach/hardware.h>
-#include <mach/irqs.h>
/*
* We would use TIMER0 and TIMER1 as clockevent and clocksource.
@@ -145,11 +144,13 @@ static void clockevent_set_mode(enum clock_event_mode mode,
static int clockevent_next_event(unsigned long cycles,
struct clock_event_device *clk_event_dev)
{
- u16 val;
+ u16 val = readw(gpt_base + CR(CLKEVT));
+
+ if (val & CTRL_ENABLE)
+ writew(val & ~CTRL_ENABLE, gpt_base + CR(CLKEVT));
writew(cycles, gpt_base + LOAD(CLKEVT));
- val = readw(gpt_base + CR(CLKEVT));
val |= CTRL_ENABLE | CTRL_INT_ENABLE;
writew(val, gpt_base + CR(CLKEVT));
@@ -173,7 +174,7 @@ static struct irqaction spear_timer_irq = {
.handler = spear_timer_interrupt
};
-static void __init spear_clockevent_init(void)
+static void __init spear_clockevent_init(int irq)
{
u32 tick_rate;
@@ -193,19 +194,19 @@ static void __init spear_clockevent_init(void)
clockevents_register_device(&clkevt);
- setup_irq(SPEAR_GPT0_CHAN0_IRQ, &spear_timer_irq);
+ setup_irq(irq, &spear_timer_irq);
}
-void __init spear_setup_timer(void)
+void __init spear_setup_timer(resource_size_t base, int irq)
{
int ret;
- if (!request_mem_region(SPEAR_GPT0_BASE, SZ_1K, "gpt0")) {
+ if (!request_mem_region(base, SZ_1K, "gpt0")) {
pr_err("%s:cannot get IO addr\n", __func__);
return;
}
- gpt_base = (void __iomem *)ioremap(SPEAR_GPT0_BASE, SZ_1K);
+ gpt_base = ioremap(base, SZ_1K);
if (!gpt_base) {
pr_err("%s:ioremap failed for gpt\n", __func__);
goto err_mem;
@@ -223,7 +224,7 @@ void __init spear_setup_timer(void)
goto err_clk;
}
- spear_clockevent_init();
+ spear_clockevent_init(irq);
spear_clocksource_init();
return;
@@ -233,5 +234,5 @@ err_clk:
err_iomap:
iounmap(gpt_base);
err_mem:
- release_mem_region(SPEAR_GPT0_BASE, SZ_1K);
+ release_mem_region(base, SZ_1K);
}