aboutsummaryrefslogtreecommitdiff
path: root/include/asm-h8300/timer.h
diff options
context:
space:
mode:
authorDavid Vrabel <david.vrabel@csr.com>2008-10-20 16:07:19 +0100
committerDavid Vrabel <david.vrabel@csr.com>2008-10-20 16:07:19 +0100
commit61e0e79ee3c609eb34edf2fe023708cba6a79b1f (patch)
tree663deacffd4071120dc9badb70428fe5f124c7b9 /include/asm-h8300/timer.h
parentc15895ef30c2c03e99802951787183039a349d32 (diff)
parent0cfd81031a26717fe14380d18275f8e217571615 (diff)
Merge branch 'master' into for-upstream
Conflicts: Documentation/ABI/testing/sysfs-bus-usb drivers/Makefile
Diffstat (limited to 'include/asm-h8300/timer.h')
-rw-r--r--include/asm-h8300/timer.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/asm-h8300/timer.h b/include/asm-h8300/timer.h
new file mode 100644
index 00000000000..def80464d38
--- /dev/null
+++ b/include/asm-h8300/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