arch/arm/mach-pxa/include/mach/timex.h

   1 /*
   2  * arch/arm/mach-pxa/include/mach/timex.h
   3  *
   4  * Author:      Nicolas Pitre
   5  * Created:     Jun 15, 2001
   6  * Copyright:   MontaVista Software Inc.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 /* Various drivers are still using the constant of CLOCK_TICK_RATE, for
  14  * those drivers to at least work, the definition is provided here.
  15  *
  16  * NOTE: this is no longer accurate when multiple processors and boards
  17  * are selected, newer drivers should not depend on this any more.  Use
  18  * either the clocksource/clockevent or get this at run-time by calling
  19  * get_clock_tick_rate() (as defined in generic.c).
  20  */
  21
  22 #if defined(CONFIG_PXA25x)
  23 /* PXA250/210 timer base */
  24 #define CLOCK_TICK_RATE 3686400
  25 #elif defined(CONFIG_PXA27x)
  26 /* PXA27x timer base */
  27 #ifdef CONFIG_MACH_MAINSTONE
  28 #define CLOCK_TICK_RATE 3249600
  29 #else
  30 #define CLOCK_TICK_RATE 3250000
  31 #endif
  32 #else
  33 #define CLOCK_TICK_RATE 3250000
  34 #endif