1 /* 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 CMOS_READ(unsigned long offset)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 CMOS_WRITE(unsigned char data,unsigned long offset)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 */ 35