diff options
Diffstat (limited to 'arch/arm/cpu/arm920t')
| -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 91377d4..d9a024f 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) |