Subversion Repositories or1k

/*

 * linux/include/asm-ppc/timex.h

 *

 * PPC64 architecture timex specifications

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version

 * 2 of the License, or (at your option) any later version.

 */

#ifndef _ASMPPC64_TIMEX_H

#define _ASMPPC64_TIMEX_H

#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */

#define CLOCK_TICK_FACTOR       20      /* Factor of both 1000000 and CLOCK_TICK_RATE */

#define FINETUNE ((((((long)LATCH * HZ - CLOCK_TICK_RATE) << SHIFT_HZ) * \

        (1000000/CLOCK_TICK_FACTOR) / (CLOCK_TICK_RATE/CLOCK_TICK_FACTOR)) \

                << (SHIFT_SCALE-SHIFT_HZ)) / HZ)

typedef unsigned long cycles_t;

extern cycles_t cacheflush_time;

static inline cycles_t get_cycles(void)

{

        cycles_t ret;

        __asm__ __volatile__("mftb %0" : "=r" (ret) : );

        return ret;

}

#define vxtime_lock()           do {} while (0)

#define vxtime_unlock()         do {} while (0)

#endif