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35 lines
693 B
35 lines
693 B
/* |
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* Registers for the SGS-Thomson M48T37 Timekeeper RAM chip |
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*/ |
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#ifndef _ASM_M48T37_H |
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#define _ASM_M48T37_H |
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#include <linux/spinlock.h> |
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extern spinlock_t rtc_lock; |
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struct m48t37_rtc { |
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volatile u8 pad[0x7ff0]; /* NVRAM */ |
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volatile u8 flags; |
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volatile u8 century; |
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volatile u8 alarm_sec; |
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volatile u8 alarm_min; |
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volatile u8 alarm_hour; |
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volatile u8 alarm_data; |
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volatile u8 interrupts; |
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volatile u8 watchdog; |
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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 M48T37_RTC_SET 0x80 |
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#define M48T37_RTC_STOPPED 0x80 |
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#define M48T37_RTC_READ 0x40 |
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#endif /* _ASM_M48T37_H */
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