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Yoshinori Satoe0b0f9e2008-10-15 22:01:16 -07001#ifndef __H8300_TIMER_H
2#define __H8300_TIMER_H
3
4void h8300_timer_tick(void);
5void h8300_timer_setup(void);
6void h8300_gettod(unsigned int *year, unsigned int *mon, unsigned int *day,
7 unsigned int *hour, unsigned int *min, unsigned int *sec);
8
9#define TIMER_FREQ (CONFIG_CPU_CLOCK*10000) /* Timer input freq. */
10
11#define calc_param(cnt, div, rate, limit) \
12do { \
13 cnt = TIMER_FREQ / HZ; \
14 for (div = 0; div < ARRAY_SIZE(divide_rate); div++) { \
15 if (rate[div] == 0) \
16 continue; \
17 if ((cnt / rate[div]) > limit) \
18 break; \
19 } \
20 if (div == ARRAY_SIZE(divide_rate)) \
21 panic("Timer counter overflow"); \
22 cnt /= divide_rate[div]; \
23} while(0)
24
25#endif