include/asm-arm/arch-s3c24a0/timex.h

   1 /*
   2  * include/asm-arm/arch-s3c24a0/timex.h
   3  *
   4  * $Id: timex.h,v 1.2 2005/11/28 03:55:11 gerg Exp $
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * Based on linux/include/asm-arm/arch-s3c2410/timex.h
  11  */
  12
  13
  14 /* If a value of TCFG1 is a, a value of divider is 2 << a */
  15 #define CLK_DIVIDER             2
  16 /* a value of TCFG0_PRE1 */
  17 #define CLK_PRESCALE            15
  18
  19 #include <asm/arch/clocks.h>
  20
  21 /* PCLK */
  22 // #define CLK_INPUT               elfin_get_bus_clk(GET_PCLK)
  23 #define CLK_INPUT               51000000 /* 204-102-51 MHz */
  24
  25 /*#define CLOCK_TICK_RATE               1562500 */
  26 #define CLOCK_TICK_RATE         (CLK_INPUT / (CLK_PRESCALE ) / CLK_DIVIDER)
  27 #define CLOCK_TICK_FACTOR       80