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arch/h8300/include/asm/timer.h

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#ifndef __H8300_TIMER_H

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#define __H8300_TIMER_H

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void h8300_timer_tick(void);

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void h8300_timer_setup(void);

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void h8300_gettod(unsigned int *year, unsigned int *mon, unsigned int *day,

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                   unsigned int *hour, unsigned int *min, unsigned int *sec);

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#define TIMER_FREQ (CONFIG_CPU_CLOCK*10000) /* Timer input freq. */

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#define calc_param(cnt, div, rate, limit)                       \

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do {                                                            \

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        cnt = TIMER_FREQ / HZ;                                  \

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        for (div = 0; div < ARRAY_SIZE(divide_rate); div++) {   \

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                if (rate[div] == 0)                             \

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                        continue;                               \

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                if ((cnt / rate[div]) > limit)                  \

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                        break;                                  \

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        }                                                       \

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        if (div == ARRAY_SIZE(divide_rate))                     \

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                panic("Timer counter overflow");                \

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        cnt /= divide_rate[div];                                \

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} while(0)

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#endif

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