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Diffstat (limited to 'arch/arm/mach-at91/at91x40_time.c')
-rw-r--r--arch/arm/mach-at91/at91x40_time.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/arch/arm/mach-at91/at91x40_time.c b/arch/arm/mach-at91/at91x40_time.c
index dfff2895f4b2..6ca680a1d5d1 100644
--- a/arch/arm/mach-at91/at91x40_time.c
+++ b/arch/arm/mach-at91/at91x40_time.c
@@ -28,6 +28,12 @@
#include <asm/mach/time.h>
#include <mach/at91_tc.h>
+#define at91_tc_read(field) \
+ __raw_readl(AT91_TC + field)
+
+#define at91_tc_write(field, value) \
+ __raw_writel(value, AT91_TC + field);
+
/*
* 3 counter/timer units present.
*/
@@ -37,12 +43,12 @@
static unsigned long at91x40_gettimeoffset(void)
{
- return (at91_sys_read(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_CV) * 1000000 / (AT91X40_MASTER_CLOCK / 128));
+ return (at91_tc_read(AT91_TC_CLK1BASE + AT91_TC_CV) * 1000000 / (AT91X40_MASTER_CLOCK / 128));
}
static irqreturn_t at91x40_timer_interrupt(int irq, void *dev_id)
{
- at91_sys_read(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_SR);
+ at91_tc_read(AT91_TC_CLK1BASE + AT91_TC_SR);
timer_tick();
return IRQ_HANDLED;
}
@@ -57,20 +63,20 @@ void __init at91x40_timer_init(void)
{
unsigned int v;
- at91_sys_write(AT91_TC + AT91_TC_BCR, 0);
- v = at91_sys_read(AT91_TC + AT91_TC_BMR);
+ at91_tc_write(AT91_TC_BCR, 0);
+ v = at91_tc_read(AT91_TC_BMR);
v = (v & ~AT91_TC_TC1XC1S) | AT91_TC_TC1XC1S_NONE;
- at91_sys_write(AT91_TC + AT91_TC_BMR, v);
+ at91_tc_write(AT91_TC_BMR, v);
- at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_CCR, AT91_TC_CLKDIS);
- at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_CMR, (AT91_TC_TIMER_CLOCK4 | AT91_TC_CPCTRG));
- at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_IDR, 0xffffffff);
- at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_RC, (AT91X40_MASTER_CLOCK / 128) / HZ - 1);
- at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_IER, (1<<4));
+ at91_tc_write(AT91_TC_CLK1BASE + AT91_TC_CCR, AT91_TC_CLKDIS);
+ at91_tc_write(AT91_TC_CLK1BASE + AT91_TC_CMR, (AT91_TC_TIMER_CLOCK4 | AT91_TC_CPCTRG));
+ at91_tc_write(AT91_TC_CLK1BASE + AT91_TC_IDR, 0xffffffff);
+ at91_tc_write(AT91_TC_CLK1BASE + AT91_TC_RC, (AT91X40_MASTER_CLOCK / 128) / HZ - 1);
+ at91_tc_write(AT91_TC_CLK1BASE + AT91_TC_IER, (1<<4));
setup_irq(AT91X40_ID_TC1, &at91x40_timer_irq);
- at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_CCR, (AT91_TC_SWTRG | AT91_TC_CLKEN));
+ at91_tc_write(AT91_TC_CLK1BASE + AT91_TC_CCR, (AT91_TC_SWTRG | AT91_TC_CLKEN));
}
struct sys_timer at91x40_timer = {