linux/arch/arm/plat-omap/include/plat/timex.h
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   1/*
   2 * arch/arm/plat-omap/include/mach/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 */
  42