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authorYoshinori Sato <ysato@users.sourceforge.jp>2008-10-15 22:01:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-16 11:21:29 -0700
commite0b0f9e4ead2468f84c26332ec42b118e76af572 (patch)
treecce28e74411d81eca6aeb6a3f2530766bf02e97a /include
parent4b6aba51fb64071e22dad7b971c73af61916a48b (diff)
downloadlinux-linaro-stable-e0b0f9e4ead2468f84c26332ec42b118e76af572.tar.gz
h8300: update timer handler - new files
New timer handler files. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-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 000000000000..def80464d38f
--- /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