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
7 * Copyright (C) 2000 Harald Koerfgen
9 * RTC routines for IP32 style attached Dallas chip.
11 #ifndef __ASM_MACH_IP32_MC146818RTC_H
12 #define __ASM_MACH_IP32_MC146818RTC_H
15 #include <asm/ip32/mace.h>
17 #define RTC_PORT(x) (0x70 + (x))
18 #define RTC_IRQ MACEISA_RTC_IRQ
20 static unsigned char CMOS_READ(unsigned long addr)
22 return mace->isa.rtc[addr << 8];
25 static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
27 mace->isa.rtc[addr << 8] = data;
30 /* FIXME: Do it right. For now just assume that noone lives in 20th century
31 * and no O2 user in 22th century ;-) */
32 #define mc146818_decode_year(year) ((year) + 2000)
34 #define RTC_ALWAYS_BCD 0
36 #endif /* __ASM_MACH_IP32_MC146818RTC_H */