28 lines
598 B
C
28 lines
598 B
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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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 ATARI_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), ATARI_RTC_PORT(0)); \
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atari_inb_p(ATARI_RTC_PORT(1)); \
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})
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#define CMOS_WRITE(val, addr) ({ \
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atari_outb_p((addr), ATARI_RTC_PORT(0)); \
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atari_outb_p((val), ATARI_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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