include/asm-arm/arch-omap/timex.h

   1 /*
   2  * linux/include/asm-arm/arch-omap/timex.h
   3  *
   4  * Copyright (C) 2000 RidgeRun, Inc.
   5  * Author:  Greg Lonnon <glonnon@ridgerun.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2 of the License, or (at your
  10  * option) any later version.
  11  *
  12  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  13  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  14  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
  15  * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  16  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  17  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  18  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  19  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  20  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  21  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  22  *
  23  * You should have received a copy of the  GNU General Public License along
  24  * with this program; if not, write  to the Free Software Foundation, Inc.,
  25  * 675 Mass Ave, Cambridge, MA 02139, USA.
  26  */
  27
  28 #if !defined(__ASM_ARCH_OMAP_TIMEX_H)
  29 #define __ASM_ARCH_OMAP_TIMEX_H
  30
  31 /*
  32  * OMAP 32KHz timer updates time one jiffie at a time from a secondary timer,
  33  * and that's why the CLOCK_TICK_RATE is not 32768.
  34  */
  35 #ifdef CONFIG_OMAP_32K_TIMER
  36 #define CLOCK_TICK_RATE         (CONFIG_OMAP_32K_TIMER_HZ)
  37 #else
  38 #define CLOCK_TICK_RATE         (HZ * 100000UL)
  39 #endif
  40
  41 #endif /* __ASM_ARCH_OMAP_TIMEX_H */