summaryrefslogblamecommitdiffstats
path: root/include/asm-m68k/mc146818rtc.h
blob: 9f70a01f73dc9960e00817963aceb75b5e89db24 (plain) (tree)
1
2
3
4
5
6





                                                        






                                            
                         











                                   
/*
 * Machine dependent access functions for RTC registers.
 */
#ifndef _ASM_MC146818RTC_H
#define _ASM_MC146818RTC_H


#ifdef CONFIG_ATARI
/* RTC in Atari machines */

#include <asm/atarihw.h>

#define RTC_PORT(x)	(TT_RTC_BAS + 2*(x))
#define RTC_ALWAYS_BCD	0

#define CMOS_READ(addr) ({ \
atari_outb_p((addr),RTC_PORT(0)); \
atari_inb_p(RTC_PORT(1)); \
})
#define CMOS_WRITE(val, addr) ({ \
atari_outb_p((addr),RTC_PORT(0)); \
atari_outb_p((val),RTC_PORT(1)); \
})
#endif /* CONFIG_ATARI */

#endif /* _ASM_MC146818RTC_H */