diff options
Diffstat (limited to 'cpu/arm925t/interrupts.c')
| -rw-r--r-- | cpu/arm925t/interrupts.c | 21 |
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 */ |