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/*
* linux/include/asm-arm/arch-l7200/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 <asm/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
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