diff options
| author | Wolfgang Denk <wd@denx.de> | 2010-12-16 23:00:53 +0100 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-12-16 23:00:53 +0100 |
| commit | 006915fbb0e3c1c9927fe32c4e92cb011f8499e7 (patch) | |
| tree | b477df920f7d638a0472aa1d6bfa5ff71243448c /arch/arm/cpu/arm920t/at91/timer.c | |
| parent | 98e69567022eb2138dd99554b3a2e80522a1b153 (diff) | |
| parent | b5d58d8500bfb918c7fec56f241e6ee1078c2be0 (diff) | |
Merge branch 'master' of ../master into next
Diffstat (limited to 'arch/arm/cpu/arm920t/at91/timer.c')
| -rw-r--r-- | arch/arm/cpu/arm920t/at91/timer.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/arch/arm/cpu/arm920t/at91/timer.c b/arch/arm/cpu/arm920t/at91/timer.c index 91377d47a6..d9a024fc0e 100644 --- a/arch/arm/cpu/arm920t/at91/timer.c +++ b/arch/arm/cpu/arm920t/at91/timer.c @@ -32,17 +32,16 @@ #include <common.h> -#include <asm/io.h> -#include <asm/hardware.h> +#include <asm/arch/io.h> +#include <asm/arch/hardware.h> #include <asm/arch/at91_tc.h> #include <asm/arch/at91_pmc.h> +DECLARE_GLOBAL_DATA_PTR; + /* the number of clocks per CONFIG_SYS_HZ */ #define TIMER_LOAD_VAL (CONFIG_SYS_HZ_CLOCK/CONFIG_SYS_HZ) -static u32 timestamp; -static u32 lastinc; - int timer_init(void) { at91_tc_t *tc = (at91_tc_t *) AT91_TC_BASE; @@ -64,8 +63,8 @@ int timer_init(void) writel(TIMER_LOAD_VAL, &tc->tc[0].rc); writel(AT91_TC_CCR_SWTRG | AT91_TC_CCR_CLKEN, &tc->tc[0].ccr); - lastinc = 0; - timestamp = 0; + gd->lastinc = 0; + gd->tbl = 0; return 0; } @@ -86,7 +85,7 @@ ulong get_timer(ulong base) void set_timer(ulong t) { - timestamp = t; + gd->tbl = t; } void __udelay(unsigned long usec) @@ -98,8 +97,8 @@ void reset_timer_masked(void) { /* reset time */ at91_tc_t *tc = (at91_tc_t *) AT91_TC_BASE; - lastinc = readl(&tc->tc[0].cv) & 0x0000ffff; - timestamp = 0; + gd->lastinc = readl(&tc->tc[0].cv) & 0x0000ffff; + gd->tbl = 0; } ulong get_timer_raw(void) @@ -109,16 +108,16 @@ ulong get_timer_raw(void) now = readl(&tc->tc[0].cv) & 0x0000ffff; - if (now >= lastinc) { + if (now >= gd->lastinc) { /* normal mode */ - timestamp += now - lastinc; + gd->tbl += now - gd->lastinc; } else { /* we have an overflow ... */ - timestamp += now + TIMER_LOAD_VAL - lastinc; + gd->tbl += now + TIMER_LOAD_VAL - gd->lastinc; } - lastinc = now; + gd->lastinc = now; - return timestamp; + return gd->tbl; } ulong get_timer_masked(void) |