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>
diff --git a/arch/blackfin/kernel/time-ts.c b/arch/blackfin/kernel/time-ts.c
index 1bcf3a3..6efd944 100644
--- a/arch/blackfin/kernel/time-ts.c
+++ b/arch/blackfin/kernel/time-ts.c
@@ -219,7 +219,7 @@
#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 @@
#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 @@
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;