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File: [Development] / linux-2.4-xfs / arch / mips / jazz / rtc-jazz.c (download)

Revision 1.1, Wed Dec 31 00:54:49 2003 UTC (13 years, 9 months ago) by cattelan
Branch: MAIN
CVS Tags: HEAD

Initial Import 2.4.24pre2

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * RTC routines for Jazz style attached Dallas chip.
 *
 * Copyright (C) 1998, 2001 by Ralf Baechle
 */
#include <linux/mc146818rtc.h>
#include <asm/io.h>
#include <asm/jazz.h>

static unsigned char jazz_rtc_read_data(unsigned long addr)
{
	outb_p(addr, RTC_PORT(0));
	return *(char *)JAZZ_RTC_BASE;
}

static void jazz_rtc_write_data(unsigned char data, unsigned long addr)
{
	outb_p(addr, RTC_PORT(0));
	*(char *)JAZZ_RTC_BASE = data;
}

static int jazz_rtc_bcd_mode(void)
{
	return 0;
}

struct rtc_ops jazz_rtc_ops = {
	&jazz_rtc_read_data,
	&jazz_rtc_write_data,
	&jazz_rtc_bcd_mode
};