rtc-dec.c
上传用户:jlfgdled
上传日期:2013-04-10
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文件大小:1k
- /*
- * 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 DECstation style attached Dallas DS1287 chip.
- *
- * Copyright (C) 1998, 2001 by Ralf Baechle
- * Copyright (C) 1998 by Harald Koerfgen
- * Copyright (C) 2002 Maciej W. Rozycki
- */
- #include <linux/mc146818rtc.h>
- #include <linux/types.h>
- volatile u8 *dec_rtc_base;
- static unsigned char dec_rtc_read_data(unsigned long addr)
- {
- return dec_rtc_base[addr * 4];
- }
- static void dec_rtc_write_data(unsigned char data, unsigned long addr)
- {
- dec_rtc_base[addr * 4] = data;
- }
- static int dec_rtc_bcd_mode(void)
- {
- return 0;
- }
- struct rtc_ops dec_rtc_ops = {
- &dec_rtc_read_data,
- &dec_rtc_write_data,
- &dec_rtc_bcd_mode
- };