2005-04-16 15:20:36 -07:00
|
|
|
/*
|
|
|
|
|
* 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
|
|
|
|
|
|
2005-11-16 07:51:20 -07:00
|
|
|
#include <asm/hardware.h>
|
2005-04-16 15:20:36 -07:00
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* 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
|
