2 * Carsten Langgaard, carstenl@mips.com
3 * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
5 * ########################################################################
7 * This program is free software; you can distribute it and/or modify it
8 * under the terms of the GNU General Public License (Version 2) as
9 * published by the Free Software Foundation.
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
20 * ########################################################################
22 * RTC routines for Atlas style attached Dallas chip.
25 #include <linux/mc146818rtc.h>
26 #include <asm/mips-boards/atlas.h>
29 static unsigned char atlas_rtc_read_data(unsigned long addr)
31 volatile unsigned int *rtc_adr_reg = (void *)ATLAS_RTC_ADR_REG;
32 volatile unsigned int *rtc_dat_reg = (void *)ATLAS_RTC_DAT_REG;
39 static void atlas_rtc_write_data(unsigned char data, unsigned long addr)
41 volatile unsigned int *rtc_adr_reg = (void *)ATLAS_RTC_ADR_REG;
42 volatile unsigned int *rtc_dat_reg = (void *)ATLAS_RTC_DAT_REG;
48 static int atlas_rtc_bcd_mode(void)
53 struct rtc_ops atlas_rtc_ops = {
55 &atlas_rtc_write_data,