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/*
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 */