arch/openrisc/include/asm/timex.h

   1 /*
   2  * OpenRISC Linux
   3  *
   4  * Linux architectural port borrowing liberally from similar works of
   5  * others.  All original copyrights apply as per the original source
   6  * declaration.
   7  *
   8  * OpenRISC implementation:
   9  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  */
  16
  17 #ifndef __ASM_OPENRISC_TIMEX_H
  18 #define __ASM_OPENRISC_TIMEX_H
  19
  20 #define get_cycles get_cycles
  21
  22 #include <asm-generic/timex.h>
  23 #include <asm/spr.h>
  24 #include <asm/spr_defs.h>
  25
  26 static inline cycles_t get_cycles(void)
  27 {
  28         return mfspr(SPR_TTCR);
  29 }
  30
  31 /* This isn't really used any more */
  32 #define CLOCK_TICK_RATE 1000
  33
  34 #define ARCH_HAS_READ_CURRENT_TIMER
  35
  36 #endif