| #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 |