From e0b0f9e4ead2468f84c26332ec42b118e76af572 Mon Sep 17 00:00:00 2001 From: Yoshinori Sato Date: Wed, 15 Oct 2008 22:01:16 -0700 Subject: h8300: update timer handler - new files New timer handler files. Signed-off-by: Yoshinori Sato Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-h8300/timer.h | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 include/asm-h8300/timer.h (limited to 'include/asm-h8300') 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 -- cgit v1.2.2