blob: f44fdba1998bc8828d267c900f6f1dad585677f7 (
plain) (
tree)
|
|
/*
* 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
*
* RTC routines for Jazz style attached Dallas chip.
*/
#ifndef __ASM_MACH_JAZZ_MC146818RTC_H
#define __ASM_MACH_JAZZ_MC146818RTC_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 *(char *)JAZZ_RTC_BASE;
}
static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
{
outb_p(addr, RTC_PORT(0));
*(char *)JAZZ_RTC_BASE = data;
}
#define RTC_ALWAYS_BCD 0
#endif /* __ASM_MACH_JAZZ_MC146818RTC_H */
|
