blob: 9f70a01f73dc9960e00817963aceb75b5e89db24 [file] [log] [blame]
Greg Ungererbf08d522009-01-29 15:38:57 +10001/*
2 * Machine dependent access functions for RTC registers.
3 */
4#ifndef _ASM_MC146818RTC_H
5#define _ASM_MC146818RTC_H
6
7
8#ifdef CONFIG_ATARI
9/* RTC in Atari machines */
10
11#include <asm/atarihw.h>
12
13#define RTC_PORT(x) (TT_RTC_BAS + 2*(x))
14#define RTC_ALWAYS_BCD 0
15
16#define CMOS_READ(addr) ({ \
17atari_outb_p((addr),RTC_PORT(0)); \
18atari_inb_p(RTC_PORT(1)); \
19})
20#define CMOS_WRITE(val, addr) ({ \
21atari_outb_p((addr),RTC_PORT(0)); \
22atari_outb_p((val),RTC_PORT(1)); \
23})
24#endif /* CONFIG_ATARI */
25
26#endif /* _ASM_MC146818RTC_H */