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authorThomas Gleixner <tglx@linutronix.de>2009-05-20 09:02:28 +0200
committerThomas Gleixner <tglx@linutronix.de>2009-05-20 09:02:28 +0200
commit521c180874dae86f675d23c4eade4dba8b1f2cc8 (patch)
tree7509303da3a9a1b40a26f6811f321c89cd31737b /arch/h8300/include/asm/timer.h
parentf1a11e0576c7a73d759d05d776692b2b2d37172b (diff)
parent64d1304a64477629cb16b75491a77bafe6f86963 (diff)
Merge branch 'core/urgent' into core/futexes
Merge reason: this branch was on an pre -rc1 base, merge it up to -rc6+ to get the latest upstream fixes. Conflicts: kernel/futex.c Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/h8300/include/asm/timer.h')
-rw-r--r--arch/h8300/include/asm/timer.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/h8300/include/asm/timer.h b/arch/h8300/include/asm/timer.h
new file mode 100644
index 00000000000..def80464d38
--- /dev/null
+++ b/arch/h8300/include/asm/timer.h
@@ -0,0 +1,25 @@
+#ifndef __H8300_TIMER_H
+#define __H8300_TIMER_H
+
+void h8300_timer_tick(void);
+void h8300_timer_setup(void);
+void h8300_gettod(unsigned int *year, unsigned int *mon, unsigned int *day,
+ unsigned int *hour, unsigned int *min, unsigned int *sec);
+
+#define TIMER_FREQ (CONFIG_CPU_CLOCK*10000) /* Timer input freq. */
+
+#define calc_param(cnt, div, rate, limit) \
+do { \
+ cnt = TIMER_FREQ / HZ; \
+ for (div = 0; div < ARRAY_SIZE(divide_rate); div++) { \
+ if (rate[div] == 0) \
+ continue; \
+ if ((cnt / rate[div]) > limit) \
+ break; \
+ } \
+ if (div == ARRAY_SIZE(divide_rate)) \
+ panic("Timer counter overflow"); \
+ cnt /= divide_rate[div]; \
+} while(0)
+
+#endif