Logo Search packages:      
Sourcecode: linux version File versions  Download package

gp_timers.h

/*
 * arch/arm/mach-l7200/include/mach/gp_timers.h
 *
 * Copyright (C) 2000 Steve Hill (sjhill@cotw.com)
 *
 * Changelog:
 *   07-28-2000   SJH   Created file
 *   08-02-2000   SJH   Used structure for registers
 */
#ifndef _ASM_ARCH_GPTIMERS_H
#define _ASM_ARCH_GPTIMERS_H

#include <mach/hardware.h>

/*
 * Layout of L7200 general purpose timer registers
 */
struct GPT_Regs {
      unsigned int TIMERLOAD;
      unsigned int TIMERVALUE;
      unsigned int TIMERCONTROL;
      unsigned int TIMERCLEAR;
};

#define GPT_BASE        (IO_BASE_2 + 0x3000)
#define l7200_timer1_regs     ((volatile struct GPT_Regs *) (GPT_BASE))
#define l7200_timer2_regs     ((volatile struct GPT_Regs *) (GPT_BASE + 0x20))

/*
 * General register values
 */
#define     GPT_PRESCALE_1          0x00000000
#define     GPT_PRESCALE_16         0x00000004
#define     GPT_PRESCALE_256  0x00000008
#define GPT_MODE_FREERUN      0x00000000
#define GPT_MODE_PERIODIC     0x00000040
#define GPT_ENABLE            0x00000080
#define GPT_BZTOG       0x00000100
#define GPT_BZMOD       0x00000200
#define GPT_LOAD_MASK         0x0000ffff

#endif

Generated by  Doxygen 1.6.0   Back to index