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
6 * Copyright (C) 1998, 2001, 03 by Ralf Baechle
8 * RTC routines for PC style attached Dallas chip.
10 #ifndef __ASM_MACH_AU1XX_MC146818RTC_H
11 #define __ASM_MACH_AU1XX_MC146818RTC_H
14 #include <asm/mach-au1x00/au1000.h>
16 #define RTC_PORT(x) (0x0c000000 + (x))
18 #define PB1500_RTC_ADDR 0x0c000000
20 static inline unsigned char CMOS_READ(unsigned long offset)
23 return (u8)(au_readl(offset + PB1500_RTC_ADDR) & 0xff);
26 static inline void CMOS_WRITE(unsigned char data, unsigned long offset)
29 au_writel(data, offset + PB1500_RTC_ADDR);
32 #define RTC_ALWAYS_BCD 1
34 #endif /* __ASM_MACH_AU1XX_MC146818RTC_H */