LXR linux/arch/mips/include/asm/m48t37.h

   1/*
   2 *  Registers for the SGS-Thomson M48T37 Timekeeper RAM chip
   3 */
   4#ifndef _ASM_M48T37_H
   5#define _ASM_M48T37_H
   6
   7#include <linux/spinlock.h>
   8
   9extern spinlock_t rtc_lock;
  10
  11struct m48t37_rtc {
  12        volatile u8     pad[0x7ff0];    /* NVRAM */
  13        volatile u8     flags;
  14        volatile u8     century;
  15        volatile u8     alarm_sec;
  16        volatile u8     alarm_min;
  17        volatile u8     alarm_hour;
  18        volatile u8     alarm_data;
  19        volatile u8     interrupts;
  20        volatile u8     watchdog;
  21        volatile u8     control;
  22        volatile u8     sec;
  23        volatile u8     min;
  24        volatile u8     hour;
  25        volatile u8     day;
  26        volatile u8     date;
  27        volatile u8     month;
  28        volatile u8     year;
  29};
  30
  31#define M48T37_RTC_SET          0x80
  32#define M48T37_RTC_STOPPED      0x80
  33#define M48T37_RTC_READ         0x40
  34
  35#endif /* _ASM_M48T37_H */
  36