include/asm-nios2nommu/timex.h

   1 #ifndef _ASMNIOS2NOMMU_TIMEX_H
   2 #define _ASMNIOS2NOMMU_TIMEX_H
   3
   4 /*--------------------------------------------------------------------
   5  *
   6  * include/asm-nios2nommu/timex.h
   7  *
   8  * timex specifications
   9  *
  10  * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
  11  *
  12  * Copyright (C) 2004   Microtronix Datacom Ltd
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  *
  25  * Jan/20/2004          dgt         NiosII
  26  *
  27  ---------------------------------------------------------------------*/
  28
  29
  30 #include <asm/nios.h>
  31
  32
  33 #define CLOCK_TICK_RATE nasys_clock_freq /* Underlying HZ */
  34
  35 #define CLOCK_TICK_FACTOR       20      /* Factor of both 1000000 and CLOCK_TICK_RATE */
  36
  37 #define FINETUNE ((((((long)LATCH * HZ - CLOCK_TICK_RATE) << SHIFT_HZ) * \
  38         (1000000/CLOCK_TICK_FACTOR) / (CLOCK_TICK_RATE/CLOCK_TICK_FACTOR)) \
  39                 << (SHIFT_SCALE-SHIFT_HZ)) / HZ)
  40
  41 typedef unsigned long cycles_t;
  42
  43 static inline cycles_t get_cycles(void)
  44 {
  45         return 0;
  46 }
  47
  48 #endif