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 CMOS_READ(unsigned long addr)18static unsigned char CMOS_READ(unsigned long addr) 19 { 20 return mace->isa.rtc[addr << 8]; 21 } 22 CMOS_WRITE(unsigned char data,unsigned long addr)23static inline void CMOS_WRITE(unsigned char data, unsigned long addr) 24 { 25 mace->isa.rtc[addr << 8] = data; 26 } 27 28 /* 29 * FIXME: Do it right. For now just assume that no one lives in 20th century 30 * and no O2 user in 22th century ;-) 31 */ 32 #define mc146818_decode_year(year) ((year) + 2000) 33 34 #define RTC_ALWAYS_BCD 0 35 36 #endif /* __ASM_MACH_IP32_MC146818RTC_H */ 37