delay.h

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#ifndef _ASM_SCORE_DELAY_H
#define _ASM_SCORE_DELAY_H

#include <asm-generic/param.h>

static inline void __delay(unsigned long loops)
{
    /* 3 cycles per loop. */
    __asm__ __volatile__ (
        "1:\tsubi\t%0, 3\n\t"
        "cmpz.c\t%0\n\t"
        "ble\t1b\n\t"
        : "=r" (loops)
        : "0" (loops));
}

static inline void __udelay(unsigned long usecs)
{
    unsigned long loops_per_usec;

    loops_per_usec = (loops_per_jiffy * HZ) / 1000000;

    __delay(usecs * loops_per_usec);
}

#define udelay(usecs) __udelay(usecs)

#endif /* _ASM_SCORE_DELAY_H */