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

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 *  Registers for the SGS-Thomson M48T37 Timekeeper RAM chip
   4 */
   5#ifndef _ASM_M48T37_H
   6#define _ASM_M48T37_H
   7
   8#include <linux/spinlock.h>
   9
  10extern spinlock_t rtc_lock;
  11
  12struct m48t37_rtc {
  13        volatile u8     pad[0x7ff0];    /* NVRAM */
  14        volatile u8     flags;
  15        volatile u8     century;
  16        volatile u8     alarm_sec;
  17        volatile u8     alarm_min;
  18        volatile u8     alarm_hour;
  19        volatile u8     alarm_data;
  20        volatile u8     interrupts;
  21        volatile u8     watchdog;
  22        volatile u8     control;
  23        volatile u8     sec;
  24        volatile u8     min;
  25        volatile u8     hour;
  26        volatile u8     day;
  27        volatile u8     date;
  28        volatile u8     month;
  29        volatile u8     year;
  30};
  31
  32#define M48T37_RTC_SET          0x80
  33#define M48T37_RTC_STOPPED      0x80
  34#define M48T37_RTC_READ         0x40
  35
  36#endif /* _ASM_M48T37_H */
  37