diff options
author | Wolfgang Denk <wd@denx.de> | 2009-12-15 23:38:34 +0100 |
---|---|---|
committer | Wolfgang Denk <wd@denx.de> | 2009-12-15 23:38:34 +0100 |
commit | bb3bcfa2426cc6a0aecec7270e3ee67ca843a125 (patch) | |
tree | 0314e3d8e8d9e4d568a496fca27db33d66e68bb4 /cpu/arm926ejs/davinci/timer.c | |
parent | a200a7c04d89853d2a1395b96d8ca5e3dd754551 (diff) | |
parent | 4b142febff71eabdb7ddbb125c7b583b24ddc434 (diff) | |
download | u-boot-imx-bb3bcfa2426cc6a0aecec7270e3ee67ca843a125.zip u-boot-imx-bb3bcfa2426cc6a0aecec7270e3ee67ca843a125.tar.gz u-boot-imx-bb3bcfa2426cc6a0aecec7270e3ee67ca843a125.tar.bz2 |
Merge branch 'next' of ../next
Diffstat (limited to 'cpu/arm926ejs/davinci/timer.c')
-rw-r--r-- | cpu/arm926ejs/davinci/timer.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/cpu/arm926ejs/davinci/timer.c b/cpu/arm926ejs/davinci/timer.c index 80751ad..9da7443 100644 --- a/cpu/arm926ejs/davinci/timer.c +++ b/cpu/arm926ejs/davinci/timer.c @@ -38,8 +38,9 @@ */ #include <common.h> +#include <asm/io.h> -typedef volatile struct { +struct davinci_timer { u_int32_t pid12; u_int32_t emumgt; u_int32_t na1; @@ -51,9 +52,10 @@ typedef volatile struct { u_int32_t tcr; u_int32_t tgcr; u_int32_t wdtcr; -} davinci_timer; +}; -davinci_timer *timer = (davinci_timer *)CONFIG_SYS_TIMERBASE; +static struct davinci_timer * const timer = + (struct davinci_timer *)CONFIG_SYS_TIMERBASE; #define TIMER_LOAD_VAL (CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ) #define TIM_CLK_DIV 16 @@ -64,30 +66,30 @@ static ulong lastinc; int timer_init(void) { /* We are using timer34 in unchained 32-bit mode, full speed */ - timer->tcr = 0x0; - timer->tgcr = 0x0; - timer->tgcr = 0x06 | ((TIM_CLK_DIV - 1) << 8); - timer->tim34 = 0x0; - timer->prd34 = TIMER_LOAD_VAL; + writel(0x0, &timer->tcr); + writel(0x0, &timer->tgcr); + writel(0x06 | ((TIM_CLK_DIV - 1) << 8), &timer->tgcr); + writel(0x0, &timer->tim34); + writel(TIMER_LOAD_VAL, &timer->prd34); lastinc = 0; timestamp = 0; - timer->tcr = 2 << 22; + writel(2 << 22, &timer->tcr); return(0); } void reset_timer(void) { - timer->tcr = 0x0; - timer->tim34 = 0; + writel(0x0, &timer->tcr); + writel(0x0, &timer->tim34); lastinc = 0; timestamp = 0; - timer->tcr = 2 << 22; + writel(2 << 22, &timer->tcr); } static ulong get_timer_raw(void) { - ulong now = timer->tim34; + ulong now = readl(&timer->tim34); if (now >= lastinc) { /* normal mode */ @@ -110,7 +112,7 @@ void set_timer(ulong t) timestamp = t; } -void udelay(unsigned long usec) +void __udelay(unsigned long usec) { ulong tmo; ulong endtime; |