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4 #ifndef _ASM_MC146818RTC_H
5 #define _ASM_MC146818RTC_H
13 #define RTC_PORT(x) (TT_RTC_BAS + 2*(x))
14 #define RTC_ALWAYS_BCD 0
16 #define CMOS_READ(addr) ({ \
17 atari_outb_p((addr),RTC_PORT(0)); \
18 atari_inb_p(RTC_PORT(1)); \
20 #define CMOS_WRITE(val, addr) ({ \
21 atari_outb_p((addr),RTC_PORT(0)); \
22 atari_outb_p((val),RTC_PORT(1)); \