blob: 622c58710e5baa1c297d2b05adca47bf4b6805a3 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1998, 2001, 03 by Ralf Baechle
7 *
8 * RTC routines for PC style attached Dallas chip.
9 */
10#ifndef __ASM_MACH_AU1XX_MC146818RTC_H
11#define __ASM_MACH_AU1XX_MC146818RTC_H
12
13#include <asm/io.h>
14#include <asm/mach-au1x00/au1000.h>
15
16#define RTC_PORT(x) (0x0c000000 + (x))
17#define RTC_IRQ 8
18#define PB1500_RTC_ADDR 0x0c000000
19
20static inline unsigned char CMOS_READ(unsigned long offset)
21{
22 offset <<= 2;
23 return (u8)(au_readl(offset + PB1500_RTC_ADDR) & 0xff);
24}
25
26static inline void CMOS_WRITE(unsigned char data, unsigned long offset)
27{
28 offset <<= 2;
29 au_writel(data, offset + PB1500_RTC_ADDR);
30}
31
32#define RTC_ALWAYS_BCD 1
33
34#endif /* __ASM_MACH_AU1XX_MC146818RTC_H */