1 /* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 1996, 2001-2003 Silicon Graphics, Inc. All rights reserved. 7 * Copyright (C) 2001 by Ralf Baechle 8 */ 9 #ifndef _ASM_IA64_SN_KLCLOCK_H 10 #define _ASM_IA64_SN_KLCLOCK_H 11 12 #include <asm/sn/ioc3.h> 13 #include <asm/sn/ioc4.h> 14 15 #define RTC_BASE_ADDR (unsigned char *)(nvram_base) 16 17 /* Defines for the SGS-Thomson M48T35 clock */ 18 #define RTC_SGS_WRITE_ENABLE 0x80 19 #define RTC_SGS_READ_PROTECT 0x40 20 #define RTC_SGS_YEAR_ADDR (RTC_BASE_ADDR + 0x7fffL) 21 #define RTC_SGS_MONTH_ADDR (RTC_BASE_ADDR + 0x7ffeL) 22 #define RTC_SGS_DATE_ADDR (RTC_BASE_ADDR + 0x7ffdL) 23 #define RTC_SGS_DAY_ADDR (RTC_BASE_ADDR + 0x7ffcL) 24 #define RTC_SGS_HOUR_ADDR (RTC_BASE_ADDR + 0x7ffbL) 25 #define RTC_SGS_MIN_ADDR (RTC_BASE_ADDR + 0x7ffaL) 26 #define RTC_SGS_SEC_ADDR (RTC_BASE_ADDR + 0x7ff9L) 27 #define RTC_SGS_CONTROL_ADDR (RTC_BASE_ADDR + 0x7ff8L) 28 29 /* Defines for the Dallas DS1386 */ 30 #define RTC_DAL_UPDATE_ENABLE 0x80 31 #define RTC_DAL_UPDATE_DISABLE 0x00 32 #define RTC_DAL_YEAR_ADDR (RTC_BASE_ADDR + 0xaL) 33 #define RTC_DAL_MONTH_ADDR (RTC_BASE_ADDR + 0x9L) 34 #define RTC_DAL_DATE_ADDR (RTC_BASE_ADDR + 0x8L) 35 #define RTC_DAL_DAY_ADDR (RTC_BASE_ADDR + 0x6L) 36 #define RTC_DAL_HOUR_ADDR (RTC_BASE_ADDR + 0x4L) 37 #define RTC_DAL_MIN_ADDR (RTC_BASE_ADDR + 0x2L) 38 #define RTC_DAL_SEC_ADDR (RTC_BASE_ADDR + 0x1L) 39 #define RTC_DAL_CONTROL_ADDR (RTC_BASE_ADDR + 0xbL) 40 #define RTC_DAL_USER_ADDR (RTC_BASE_ADDR + 0xeL) 41 42 /* Defines for the Dallas DS1742 */ 43 #define RTC_DS1742_WRITE_ENABLE 0x80 44 #define RTC_DS1742_READ_ENABLE 0x40 45 #define RTC_DS1742_UPDATE_DISABLE 0x00 46 #define RTC_DS1742_YEAR_ADDR (RTC_BASE_ADDR + 0x7ffL) 47 #define RTC_DS1742_MONTH_ADDR (RTC_BASE_ADDR + 0x7feL) 48 #define RTC_DS1742_DATE_ADDR (RTC_BASE_ADDR + 0x7fdL) 49 #define RTC_DS1742_DAY_ADDR (RTC_BASE_ADDR + 0x7fcL) 50 #define RTC_DS1742_HOUR_ADDR (RTC_BASE_ADDR + 0x7fbL) 51 #define RTC_DS1742_MIN_ADDR (RTC_BASE_ADDR + 0x7faL) 52 #define RTC_DS1742_SEC_ADDR (RTC_BASE_ADDR + 0x7f9L) 53 #define RTC_DS1742_CONTROL_ADDR (RTC_BASE_ADDR + 0x7f8L) 54 #define RTC_DS1742_USER_ADDR (RTC_BASE_ADDR + 0x0L) 55 56 #define BCD_TO_INT(x) (((x>>4) * 10) + (x & 0xf)) 57 #define INT_TO_BCD(x) (((x / 10)<<4) + (x % 10)) 58 59 #define YRREF 1970 60 61 #endif /* _ASM_IA64_SN_KLCLOCK_H */ 62