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#ifndef _PARISC_DELAY_H

#define _PARISC_DELAY_H

#include <asm/system.h>    /* for mfctl() */

#include <asm/processor.h> /* for boot_cpu_data */

/*

 * Copyright (C) 1993 Linus Torvalds

 *

 * Delay routines

 */

static __inline__ void __delay(unsigned long loops) {

        asm volatile(

        "       .balignl        64,0x34000034\n"

        "       addib,UV -1,%0,.\n"

        "       nop\n"

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

}

static __inline__ void __cr16_delay(unsigned long clocks) {

        unsigned long start;

        /*

         * Note: Due to unsigned math, cr16 rollovers shouldn't be

         * a problem here. However, on 32 bit, we need to make sure

         * we don't pass in too big a value. The current default

         * value of MAX_UDELAY_MS should help prevent this.

         */

        start = mfctl(16);

        while ((mfctl(16) - start) < clocks)

            ;

}

static __inline__ void __udelay(unsigned long usecs) {

        __cr16_delay(usecs * ((unsigned long)boot_cpu_data.cpu_hz / 1000000UL));

}

#define udelay(n) __udelay(n)

#define ndelay(n) __udelay(n/1000+1)

#endif /* defined(_PARISC_DELAY_H) */