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#ifndef _M68K_DELAY_H

#define _M68K_DELAY_H

extern unsigned long loops_per_sec;

#include <linux/kernel.h>

#include <linux/config.h>

/*

 * Copyright (C) 1994 Hamish Macdonald

 *

 * Delay routines, using a pre-computed "loops_per_second" value.

 */

extern __inline__ void __delay(unsigned long loops)

{

        __asm__ __volatile__ ("1: subql #1,%0; jcc 1b"

                : "=d" (loops) : "0" (loops));

}

/*

 * Use only for very small delays ( < 1 msec).  Should probably use a

 * lookup table, really, as the multiplications take much too long with

 * short delays.  This is a "reasonable" implementation, though (and the

 * first constant multiplications gets optimized away if the delay is

 * a constant)

 */

extern __inline__ void udelay(unsigned long usecs)

{

#ifdef CONFIG_M68332

        usecs *= 0x000010c6;

       __asm__ __volatile__ ("mulul %1,%0:%2"

                    : "=d" (usecs)

                  : "d" (usecs),

                   "d" (loops_per_sec));

        __delay(usecs);

#endif

#if defined(CONFIG_M68328) || defined(CONFIG_M68EZ328) || defined(CONFIG_COLDFIRE)

        /* Sigh */

        __delay(usecs);

#endif

}

#define muldiv(a, b, c)    (((a)*(b))/(c))

/*

extern __inline__ unsigned long muldiv(unsigned long a, unsigned long b, unsigned long c)

{

        unsigned long tmp;

        __asm__ ("mulul %2,%0:%1; divul %3,%0:%1"

                : "=d" (tmp), "=d" (a)

                : "d" (b), "d" (c), "1" (a));

        return a;

}

*/

#endif /* defined(_M68K_DELAY_H) */