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-rw-r--r--arch/arc/kernel/time.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c
index 09f4309aa2c0..0e51e69cf30d 100644
--- a/arch/arc/kernel/time.c
+++ b/arch/arc/kernel/time.c
@@ -44,13 +44,24 @@
#include <asm/clk.h>
#include <asm/mach_desc.h>
+/* Timer related Aux registers */
+#define ARC_REG_TIMER0_LIMIT 0x23 /* timer 0 limit */
+#define ARC_REG_TIMER0_CTRL 0x22 /* timer 0 control */
+#define ARC_REG_TIMER0_CNT 0x21 /* timer 0 count */
+#define ARC_REG_TIMER1_LIMIT 0x102 /* timer 1 limit */
+#define ARC_REG_TIMER1_CTRL 0x101 /* timer 1 control */
+#define ARC_REG_TIMER1_CNT 0x100 /* timer 1 count */
+
+#define TIMER_CTRL_IE (1 << 0) /* Interupt when Count reachs limit */
+#define TIMER_CTRL_NH (1 << 1) /* Count only when CPU NOT halted */
+
#define ARC_TIMER_MAX 0xFFFFFFFF
/********** Clock Source Device *********/
#ifdef CONFIG_ARC_HAS_RTSC
-int __cpuinit arc_counter_setup(void)
+int arc_counter_setup(void)
{
/* RTSC insn taps into cpu clk, needs no setup */
@@ -105,7 +116,7 @@ static bool is_usable_as_clocksource(void)
/*
* set 32bit TIMER1 to keep counting monotonically and wraparound
*/
-int __cpuinit arc_counter_setup(void)
+int arc_counter_setup(void)
{
write_aux_reg(ARC_REG_TIMER1_LIMIT, ARC_TIMER_MAX);
write_aux_reg(ARC_REG_TIMER1_CNT, 0);
@@ -212,7 +223,7 @@ static struct irqaction arc_timer_irq = {
* Setup the local event timer for @cpu
* N.B. weak so that some exotic ARC SoCs can completely override it
*/
-void __attribute__((weak)) __cpuinit arc_local_timer_setup(unsigned int cpu)
+void __attribute__((weak)) arc_local_timer_setup(unsigned int cpu)
{
struct clock_event_device *clk = &per_cpu(arc_clockevent_device, cpu);