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28 lines
519 B
28 lines
519 B
20 years ago
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/*
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* Registers for the SGS-Thomson M48T35 Timekeeper RAM chip
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*/
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#ifndef _ASM_M48T35_H
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#define _ASM_M48T35_H
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#include <linux/spinlock.h>
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extern spinlock_t rtc_lock;
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struct m48t35_rtc {
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volatile u8 pad[0x7ff8]; /* starts at 0x7ff8 */
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volatile u8 control;
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volatile u8 sec;
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volatile u8 min;
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volatile u8 hour;
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volatile u8 day;
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volatile u8 date;
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volatile u8 month;
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volatile u8 year;
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};
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#define M48T35_RTC_SET 0x80
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#define M48T35_RTC_STOPPED 0x80
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#define M48T35_RTC_READ 0x40
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#endif /* _ASM_M48T35_H */
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