diff options
| author | Graf Yang <graf.yang@analog.com> | 2009-05-15 11:01:59 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-06-12 06:11:37 -0400 |
| commit | 1fa9be72b558c39459f98835eb86dbb4ef4da30b (patch) | |
| tree | f0b71c7b7a3639285c64e3f3cbc449c3ff9eee3b /arch/blackfin/kernel/time.c | |
| parent | 555487bbb63f527e63fecbff48c86e2c07ce5024 (diff) | |
Blackfin: add support for gptimer0 as a tick source
For systems where the core cycles are not a usable tick source (like SMP
or cycles gets updated), enable gptimer0 as an alternative.
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/kernel/time.c')
| -rw-r--r-- | arch/blackfin/kernel/time.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/blackfin/kernel/time.c b/arch/blackfin/kernel/time.c index 1bbacfbd4c5..daa02d45f03 100644 --- a/arch/blackfin/kernel/time.c +++ b/arch/blackfin/kernel/time.c @@ -31,7 +31,7 @@ static struct irqaction bfin_timer_irq = { #endif }; -#if defined(CONFIG_TICK_SOURCE_SYSTMR0) || defined(CONFIG_IPIPE) +#if defined(CONFIG_TICKSOURCE_GPTMR0) || defined(CONFIG_IPIPE) void __init setup_system_timer0(void) { /* Power down the core timer, just to play safe. */ @@ -74,7 +74,7 @@ void __init setup_core_timer(void) static void __init time_sched_init(irqreturn_t(*timer_routine) (int, void *)) { -#if defined(CONFIG_TICK_SOURCE_SYSTMR0) || defined(CONFIG_IPIPE) +#if defined(CONFIG_TICKSOURCE_GPTMR0) || defined(CONFIG_IPIPE) setup_system_timer0(); bfin_timer_irq.handler = timer_routine; setup_irq(IRQ_TIMER0, &bfin_timer_irq); @@ -94,7 +94,7 @@ static unsigned long gettimeoffset(void) unsigned long offset; unsigned long clocks_per_jiffy; -#if defined(CONFIG_TICK_SOURCE_SYSTMR0) || defined(CONFIG_IPIPE) +#if defined(CONFIG_TICKSOURCE_GPTMR0) || defined(CONFIG_IPIPE) clocks_per_jiffy = bfin_read_TIMER0_PERIOD(); offset = bfin_read_TIMER0_COUNTER() / \ (((clocks_per_jiffy + 1) * HZ) / USEC_PER_SEC); @@ -133,7 +133,7 @@ irqreturn_t timer_interrupt(int irq, void *dummy) static long last_rtc_update; write_seqlock(&xtime_lock); -#if defined(CONFIG_TICK_SOURCE_SYSTMR0) && !defined(CONFIG_IPIPE) +#if defined(CONFIG_TICKSOURCE_GPTMR0) && !defined(CONFIG_IPIPE) /* * TIMIL0 is latched in __ipipe_grab_irq() when the I-Pipe is * enabled. @@ -159,7 +159,7 @@ irqreturn_t timer_interrupt(int irq, void *dummy) /* Do it again in 60s. */ last_rtc_update = xtime.tv_sec - 600; } -#if defined(CONFIG_TICK_SOURCE_SYSTMR0) && !defined(CONFIG_IPIPE) +#if defined(CONFIG_TICKSOURCE_GPTMR0) && !defined(CONFIG_IPIPE) set_gptimer_status(0, TIMER_STATUS_TIMIL0); } #endif |