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authorLadislav Michl <ladis@linux-mips.org>2009-03-30 18:58:41 +0200
committerJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2009-03-30 18:58:41 +0200
commit89c00fb15859213788f0ad089934c376fb356099 (patch)
treee69b04ac08a54d0ee26308163af978f3c10ea1ee /cpu/arm925t/interrupts.c
parent81472d893fa565c9d300928a40e504a689bde131 (diff)
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OMAP: use {read,write}l to access timer registers
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Diffstat (limited to 'cpu/arm925t/interrupts.c')
-rw-r--r--cpu/arm925t/interrupts.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/cpu/arm925t/interrupts.c b/cpu/arm925t/interrupts.c
index 361047b..e5c77f7 100644
--- a/cpu/arm925t/interrupts.c
+++ b/cpu/arm925t/interrupts.c
@@ -35,24 +35,21 @@
#include <common.h>
#include <arm925t.h>
#include <configs/omap1510.h>
+#include <asm/io.h>
#define TIMER_LOAD_VAL 0xffffffff
-/* macro to read the 32 bit timer */
-#define READ_TIMER (*(volatile ulong *)(CONFIG_SYS_TIMERBASE+8))
-
-static ulong timestamp;
-static ulong lastdec;
+static uint32_t timestamp;
+static uint32_t lastdec;
/* nothing really to do with interrupts, just starts up a counter. */
int interrupt_init (void)
{
- int32_t val;
-
/* Start the decrementer ticking down from 0xffffffff */
- *((int32_t *) (CONFIG_SYS_TIMERBASE + LOAD_TIM)) = TIMER_LOAD_VAL;
- val = MPUTIM_ST | MPUTIM_AR | MPUTIM_CLOCK_ENABLE | (CONFIG_SYS_PTV << MPUTIM_PTV_BIT);
- *((int32_t *) (CONFIG_SYS_TIMERBASE + CNTL_TIMER)) = val;
+ __raw_writel(TIMER_LOAD_VAL, CONFIG_SYS_TIMERBASE + LOAD_TIM);
+ __raw_writel(MPUTIM_ST | MPUTIM_AR | MPUTIM_CLOCK_ENABLE |
+ (CONFIG_SYS_PTV << MPUTIM_PTV_BIT),
+ CONFIG_SYS_TIMERBASE + CNTL_TIMER);
/* init the timestamp and lastdec value */
reset_timer_masked();
@@ -106,13 +103,13 @@ void udelay (unsigned long usec)
void reset_timer_masked (void)
{
/* reset time */
- lastdec = READ_TIMER; /* capure current decrementer value time */
+ lastdec = __raw_readl(CONFIG_SYS_TIMERBASE + READ_TIM);
timestamp = 0; /* start "advancing" time stamp from 0 */
}
ulong get_timer_masked (void)
{
- ulong now = READ_TIMER; /* current tick value */
+ uint32_t now = __raw_readl(CONFIG_SYS_TIMERBASE + READ_TIM);
if (lastdec >= now) { /* normal mode (non roll) */
/* normal mode */