diff options
| author | Bob Liu <lliubbo@gmail.com> | 2011-12-12 11:04:05 +0800 |
|---|---|---|
| committer | Bob Liu <lliubbo@gmail.com> | 2012-01-09 10:26:15 +0800 |
| commit | d0014be47dc90d15adf7d6e09031d06e2aa7ce79 (patch) | |
| tree | 1f633a783e6536a0e24ad0453533882dc21ca1bd /arch/blackfin/kernel | |
| parent | 16df3666f43507a6d21e192dae39b69cafc17089 (diff) | |
blackfin: smp: cleanup smp code
move idle task point to percpu blackfin_cpudata and add smp_timer_broadcast
interface.
enable SUPPLE_1_WAKEUP and add BFIN_IPI_TIMER ipi support.
Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Diffstat (limited to 'arch/blackfin/kernel')
| -rw-r--r-- | arch/blackfin/kernel/time-ts.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/arch/blackfin/kernel/time-ts.c b/arch/blackfin/kernel/time-ts.c index 1bcf3a3c57d..6efd944a2f3 100644 --- a/arch/blackfin/kernel/time-ts.c +++ b/arch/blackfin/kernel/time-ts.c @@ -219,7 +219,7 @@ static void __init bfin_gptmr0_clockevent_init(struct clock_event_device *evt) #if defined(CONFIG_TICKSOURCE_CORETMR) /* per-cpu local core timer */ -static DEFINE_PER_CPU(struct clock_event_device, coretmr_events); +DEFINE_PER_CPU(struct clock_event_device, coretmr_events); static int bfin_coretmr_set_next_event(unsigned long cycles, struct clock_event_device *evt) @@ -281,6 +281,25 @@ void bfin_coretmr_init(void) #ifdef CONFIG_CORE_TIMER_IRQ_L1 __attribute__((l1_text)) #endif + +static void broadcast_timer_set_mode(enum clock_event_mode mode, + struct clock_event_device *evt) +{ +} + +static void __cpuinit broadcast_timer_setup(struct clock_event_device *evt) +{ + evt->name = "dummy_timer"; + evt->features = CLOCK_EVT_FEAT_ONESHOT | + CLOCK_EVT_FEAT_PERIODIC | + CLOCK_EVT_FEAT_DUMMY; + evt->rating = 400; + evt->mult = 1; + evt->set_mode = broadcast_timer_set_mode; + + clockevents_register_device(evt); +} + irqreturn_t bfin_coretmr_interrupt(int irq, void *dev_id) { int cpu = smp_processor_id(); @@ -306,6 +325,11 @@ void bfin_coretmr_clockevent_init(void) unsigned int cpu = smp_processor_id(); struct clock_event_device *evt = &per_cpu(coretmr_events, cpu); +#ifdef CONFIG_SMP + evt->broadcast = smp_timer_broadcast; +#endif + + evt->name = "bfin_core_timer"; evt->rating = 350; evt->irq = -1; |