swh:1:snp:c3bf2749e3476071fa748f67b0ffa2fdc5fe49d9
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Tip revision: bd71c2b17468a2531fb4c81ec1d73520845e97e1 authored by Linus Torvalds on 17 February 2006, 22:23:45 UTC
Linux v2.6.16-rc4
Tip revision: bd71c2b
ds1742rtc.h
/*
 * ds1742rtc.h - register definitions for the Real-Time-Clock / CMOS RAM
 *
 * Copyright (C) 1999-2001 Toshiba Corporation
 * Copyright (C) 2003 Ralf Baechle (ralf@linux-mips.org)
 *
 * Permission is hereby granted to copy, modify and redistribute this code
 * in terms of the GNU Library General Public License, Version 2 or later,
 * at your option.
 */
#ifndef __LINUX_DS1742RTC_H
#define __LINUX_DS1742RTC_H

#include <asm/ds1742.h>

#define RTC_BRAM_SIZE		0x800
#define RTC_OFFSET		0x7f8

/*
 * Register summary
 */
#define RTC_CONTROL		(RTC_OFFSET + 0)
#define RTC_CENTURY		(RTC_OFFSET + 0)
#define RTC_SECONDS		(RTC_OFFSET + 1)
#define RTC_MINUTES		(RTC_OFFSET + 2)
#define RTC_HOURS		(RTC_OFFSET + 3)
#define RTC_DAY			(RTC_OFFSET + 4)
#define RTC_DATE		(RTC_OFFSET + 5)
#define RTC_MONTH		(RTC_OFFSET + 6)
#define RTC_YEAR		(RTC_OFFSET + 7)

#define RTC_CENTURY_MASK	0x3f
#define RTC_SECONDS_MASK	0x7f
#define RTC_DAY_MASK		0x07

/*
 * Bits in the Control/Century register
 */
#define RTC_WRITE		0x80
#define RTC_READ		0x40

/*
 * Bits in the Seconds register
 */
#define RTC_STOP		0x80

/*
 * Bits in the Day register
 */
#define RTC_BATT_FLAG		0x80
#define RTC_FREQ_TEST		0x40

#endif /* __LINUX_DS1742RTC_H */
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