/*
   *  Registers for the SGS-Thomson M48T37 Timekeeper RAM chip
   */
  #ifndef _ASM_M48T37_H
  #define _ASM_M48T37_H
  
  #include <linux/spinlock.h>
  
  extern spinlock_t rtc_lock;
  
  struct m48t37_rtc {
  	volatile u8	pad[0x7ff0];    /* NVRAM */
  	volatile u8	flags;
  	volatile u8	century;
  	volatile u8	alarm_sec;
  	volatile u8	alarm_min;
  	volatile u8	alarm_hour;
  	volatile u8	alarm_data;
  	volatile u8	interrupts;
  	volatile u8	watchdog;
  	volatile u8	control;
  	volatile u8	sec;
  	volatile u8	min;
  	volatile u8	hour;
  	volatile u8	day;
  	volatile u8	date;
  	volatile u8	month;
  	volatile u8	year;
  };
  
  #define M48T37_RTC_SET		0x80
  #define M48T37_RTC_STOPPED	0x80
  #define M48T37_RTC_READ		0x40
  
  #endif /* _ASM_M48T37_H */