include/asm-arm/arch-lpc22xx/time.h

   1 /*
   2  *  linux/include/asm-arm/arch-lpc22xx/time.h
   3  *
   4  *  Copyright (C) 2004 Philips Semiconductors
   5  */
   6
   7 #ifndef __ASM_ARCH_TIME_H__
   8 #define __ASM_ARCH_TIME_H__
   9
  10 #include <asm/uaccess.h>
  11 #include <asm/io.h>
  12 #include <asm/hardware.h>
  13 #include <asm/arch/timex.h>
  14
  15 #define CLOCKS_PER_USEC (LPC22xx_Fpclk/1000000)
  16
  17 /* set timer to generate interrupt every 10ms */
  18 /* MR0/(LPC22xx_Fpclk/(PR0+1)) = 10/1000 = 0.01s */
  19 #define MR0_INIT_VALUE  10
  20 #define PRESCALE_COUNTER_INIT_VALUE (LPC22xx_Fpclk/1000) - 1
  21
  22
  23 #endif /*__ASM_ARCH_TIME_H__*/