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linux-libre
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arch
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mips
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include
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asm
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m48t37.h

m48t37.h 693 B
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  1. /*
    2. 

  2.  *  Registers for the SGS-Thomson M48T37 Timekeeper RAM chip
    3. 

  3.  */
    4. 

  4. #ifndef _ASM_M48T37_H
    5. 

  5. #define _ASM_M48T37_H
    6. 

  6. 

  7. #include <linux/spinlock.h>
    8. 

  8. 

  9. extern spinlock_t rtc_lock;
    10. 

  10. 

  11. struct m48t37_rtc {
    12. 

  12. 	volatile u8	pad[0x7ff0];	/* NVRAM */
    13. 

  13. 	volatile u8	flags;
    14. 

  14. 	volatile u8	century;
    15. 

  15. 	volatile u8	alarm_sec;
    16. 

  16. 	volatile u8	alarm_min;
    17. 

  17. 	volatile u8	alarm_hour;
    18. 

  18. 	volatile u8	alarm_data;
    19. 

  19. 	volatile u8	interrupts;
    20. 

  20. 	volatile u8	watchdog;
    21. 

  21. 	volatile u8	control;
    22. 

  22. 	volatile u8	sec;
    23. 

  23. 	volatile u8	min;
    24. 

  24. 	volatile u8	hour;
    25. 

  25. 	volatile u8	day;
    26. 

  26. 	volatile u8	date;
    27. 

  27. 	volatile u8	month;
    28. 

  28. 	volatile u8	year;
    29. 

  29. };
    30. 

  30. 

  31. #define M48T37_RTC_SET		0x80
    32. 

  32. #define M48T37_RTC_STOPPED	0x80
    33. 

  33. #define M48T37_RTC_READ		0x40
    34. 

  34. 

  35. #endif /* _ASM_M48T37_H */
    36. 

  36.