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 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 * Copyright (C) 1998, 2001, 03 by Ralf Baechle
 * Copyright (C) 2007 Thomas Bogendoerfer
 * RTC routines for Jazz style attached Dallas chip.
#ifndef __ASM_MACH_JAZZ_MC146818RTC_H
#define __ASM_MACH_JAZZ_MC146818RTC_H

#include <linux/delay.h>

#include <asm/io.h>
#include <asm/jazz.h>

#define RTC_PORT(x)     (0x70 + (x))
#define RTC_IRQ         8

static inline unsigned char CMOS_READ(unsigned long addr)
      outb_p(addr, RTC_PORT(0));
      return *(volatile char *)JAZZ_RTC_BASE;

static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
      outb_p(addr, RTC_PORT(0));
      *(volatile char *)JAZZ_RTC_BASE = data;

#define RTC_ALWAYS_BCD  0

#define mc146818_decode_year(year) ((year) + 1980)

#endif /* __ASM_MACH_JAZZ_MC146818RTC_H */

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