1 /*
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) ({ \
17 atari_outb_p((addr),RTC_PORT(0)); \
18 atari_inb_p(RTC_PORT(1)); \
19 })
20 #define CMOS_WRITE(val, addr) ({ \
21 atari_outb_p((addr),RTC_PORT(0)); \
22 atari_outb_p((val),RTC_PORT(1)); \
23 })
24 #endif /* CONFIG_ATARI */
25 
26 #endif /* _ASM_MC146818RTC_H */
27