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 * Copyright (C) 2000 Harald Koerfgen 8 * 9 * RTC routines for IP32 style attached Dallas chip. 10 */ 11#ifndef __ASM_MACH_IP32_MC146818RTC_H 12#define __ASM_MACH_IP32_MC146818RTC_H 13 14#include <asm/ip32/mace.h> 15 16#define RTC_PORT(x) (0x70 + (x)) 17 18static unsigned char CMOS_READ(unsigned long addr) 19{ 20 return mace->isa.rtc[addr << 8]; 21} 22 23static inline void CMOS_WRITE(unsigned char data, unsigned long addr) 24{ 25 mace->isa.rtc[addr << 8] = data; 26} 27 28#define mc146818_decode_year(year) ((year) + 2000) 29 30#define RTC_ALWAYS_BCD 0 31 32#endif /* __ASM_MACH_IP32_MC146818RTC_H */ 33