#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 |