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| author | Steven Miao <realmz6@gmail.com> | 2012-05-16 18:11:10 +0800 |
|---|---|---|
| committer | Bob Liu <lliubbo@gmail.com> | 2012-05-21 14:54:20 +0800 |
| commit | 2879bb30d788bb3841e2f1675ea7af5204eb171c (patch) | |
| tree | a5d5eaca8faa37c95fda955c11a5c9d902bff7a5 /arch/blackfin/kernel/time-ts.c | |
| parent | e578bbdeb8db3656eff428f097d6c8ed2f3718a5 (diff) | |
| download | lwn-2879bb30d788bb3841e2f1675ea7af5204eb171c.tar.gz lwn-2879bb30d788bb3841e2f1675ea7af5204eb171c.zip | |
blackfin: bf60x: enable gptimer clock source
Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Diffstat (limited to 'arch/blackfin/kernel/time-ts.c')
| -rw-r--r-- | arch/blackfin/kernel/time-ts.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/arch/blackfin/kernel/time-ts.c b/arch/blackfin/kernel/time-ts.c index d98f2d69b0c4..f608f02f29a3 100644 --- a/arch/blackfin/kernel/time-ts.c +++ b/arch/blackfin/kernel/time-ts.c @@ -66,8 +66,14 @@ void __init setup_gptimer0(void) { disable_gptimers(TIMER0bit); +#ifdef CONFIG_BF60x + bfin_write16(TIMER_DATA_IMSK, 0); + set_gptimer_config(TIMER0_id, TIMER_OUT_DIS + | TIMER_MODE_PWM_CONT | TIMER_PULSE_HI | TIMER_IRQ_PER); +#else set_gptimer_config(TIMER0_id, \ TIMER_OUT_DIS | TIMER_PERIOD_CNT | TIMER_MODE_PWM); +#endif set_gptimer_period(TIMER0_id, -1); set_gptimer_pwidth(TIMER0_id, -2); SSYNC(); @@ -135,9 +141,15 @@ static void bfin_gptmr0_set_mode(enum clock_event_mode mode, { switch (mode) { case CLOCK_EVT_MODE_PERIODIC: { +#ifndef CONFIG_BF60x set_gptimer_config(TIMER0_id, \ TIMER_OUT_DIS | TIMER_IRQ_ENA | \ TIMER_PERIOD_CNT | TIMER_MODE_PWM); +#else + set_gptimer_config(TIMER0_id, TIMER_OUT_DIS + | TIMER_MODE_PWM_CONT | TIMER_PULSE_HI | TIMER_IRQ_PER); +#endif + set_gptimer_period(TIMER0_id, get_sclk() / HZ); set_gptimer_pwidth(TIMER0_id, get_sclk() / HZ - 1); enable_gptimers(TIMER0bit); @@ -145,8 +157,14 @@ static void bfin_gptmr0_set_mode(enum clock_event_mode mode, } case CLOCK_EVT_MODE_ONESHOT: disable_gptimers(TIMER0bit); +#ifndef CONFIG_BF60x set_gptimer_config(TIMER0_id, \ TIMER_OUT_DIS | TIMER_IRQ_ENA | TIMER_MODE_PWM); +#else + set_gptimer_config(TIMER0_id, TIMER_OUT_DIS | TIMER_MODE_PWM + | TIMER_PULSE_HI | TIMER_IRQ_WID_DLY); +#endif + set_gptimer_period(TIMER0_id, 0); break; case CLOCK_EVT_MODE_UNUSED: @@ -160,7 +178,7 @@ static void bfin_gptmr0_set_mode(enum clock_event_mode mode, static void bfin_gptmr0_ack(void) { - set_gptimer_status(TIMER_GROUP1, TIMER_STATUS_TIMIL0); + clear_gptimer_intr(TIMER0_id); } static void __init bfin_gptmr0_init(void) @@ -197,7 +215,7 @@ static struct clock_event_device clockevent_gptmr0 = { .rating = 300, .irq = IRQ_TIMER0, .shift = 32, - .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, + .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, .set_next_event = bfin_gptmr0_set_next_event, .set_mode = bfin_gptmr0_set_mode, }; @@ -312,6 +330,11 @@ void bfin_coretmr_clockevent_init(void) #endif +#ifdef CONFIG_SMP + evt->broadcast = smp_timer_broadcast; +#endif + + evt->name = "bfin_core_timer"; evt->rating = 350; evt->irq = -1; |