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 Jazz style attached Dallas chip. 9 */ 10#ifndef __ASM_MACH_JAZZ_MC146818RTC_H 11#define __ASM_MACH_JAZZ_MC146818RTC_H 12 13#include <asm/io.h> 14#include <asm/jazz.h> 15 16#define RTC_PORT(x) (0x70 + (x)) 17#define RTC_IRQ 8 18 19static inline unsigned char CMOS_READ(unsigned long addr) 20{ 21 outb_p(addr, RTC_PORT(0)); 22 23 return *(char *)JAZZ_RTC_BASE; 24} 25 26static inline void CMOS_WRITE(unsigned char data, unsigned long addr) 27{ 28 outb_p(addr, RTC_PORT(0)); 29 *(char *)JAZZ_RTC_BASE = data; 30} 31 32#define RTC_ALWAYS_BCD 0 33 34#endif /* __ASM_MACH_JAZZ_MC146818RTC_H */ 35