/* * ds1742rtc.h - register definitions for the Real-Time-Clock / CMOS RAM * * Copyright (C) 1999-2001 Toshiba Corporation * Copyright (C) 2003 Ralf Baechle (ralf@linux-mips.org) * * Permission is hereby granted to copy, modify and redistribute this code * in terms of the GNU Library General Public License, Version 2 or later, * at your option. */ #ifndef __LINUX_DS1742RTC_H #define __LINUX_DS1742RTC_H #include #define RTC_BRAM_SIZE 0x800 #define RTC_OFFSET 0x7f8 /* * Register summary */ #define RTC_CONTROL (RTC_OFFSET + 0) #define RTC_CENTURY (RTC_OFFSET + 0) #define RTC_SECONDS (RTC_OFFSET + 1) #define RTC_MINUTES (RTC_OFFSET + 2) #define RTC_HOURS (RTC_OFFSET + 3) #define RTC_DAY (RTC_OFFSET + 4) #define RTC_DATE (RTC_OFFSET + 5) #define RTC_MONTH (RTC_OFFSET + 6) #define RTC_YEAR (RTC_OFFSET + 7) #define RTC_CENTURY_MASK 0x3f #define RTC_SECONDS_MASK 0x7f #define RTC_DAY_MASK 0x07 /* * Bits in the Control/Century register */ #define RTC_WRITE 0x80 #define RTC_READ 0x40 /* * Bits in the Seconds register */ #define RTC_STOP 0x80 /* * Bits in the Day register */ #define RTC_BATT_FLAG 0x80 #define RTC_FREQ_TEST 0x40 #endif /* __LINUX_DS1742RTC_H */