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File: [Development] / linux-2.6-xfs / arch / arm / mach-l7200 / include / mach / gp_timers.h (download)

Revision 1.1, Fri Oct 3 17:46:45 2008 UTC (9 years ago) by lachlan.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD 

Merge up to 2.6.27-rc8
Merge of 2.6.x-xfs-melb:linux:32254b by kenmcd.

/*
 * 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