27 lines
526 B
C
27 lines
526 B
C
/*
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* Machine dependent access functions for RTC registers.
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*/
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#ifndef _ASM_MC146818RTC_H
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#define _ASM_MC146818RTC_H
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#ifdef CONFIG_ATARI
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/* RTC in Atari machines */
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#include <asm/atarihw.h>
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#define RTC_PORT(x) (TT_RTC_BAS + 2*(x))
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#define RTC_ALWAYS_BCD 0
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#define CMOS_READ(addr) ({ \
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atari_outb_p((addr),RTC_PORT(0)); \
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atari_inb_p(RTC_PORT(1)); \
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})
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#define CMOS_WRITE(val, addr) ({ \
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atari_outb_p((addr),RTC_PORT(0)); \
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atari_outb_p((val),RTC_PORT(1)); \
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})
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#endif /* CONFIG_ATARI */
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#endif /* _ASM_MC146818RTC_H */
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