1 /* 2 * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com> 3 * Andreas Heppel <aheppel@sysgo.de> 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24 /* 25 * Date & Time support for the MK48T59 RTC 26 */ 27 28 29 #if defined(CONFIG_RTC_MK48T59) && defined(CONFIG_CMD_DATE) 30 31 #define RTC_PORT_ADDR0 CONFIG_SYS_ISA_IO + 0x70 32 #define RTC_PORT_ADDR1 RTC_PORT_ADDR0 + 0x1 33 #define RTC_PORT_DATA CONFIG_SYS_ISA_IO + 0x76 34 35 /* RTC Offsets */ 36 #define RTC_SECONDS 0x1FF9 37 #define RTC_MINUTES 0x1FFA 38 #define RTC_HOURS 0x1FFB 39 #define RTC_DAY_OF_WEEK 0x1FFC 40 #define RTC_DAY_OF_MONTH 0x1FFD 41 #define RTC_MONTH 0x1FFE 42 #define RTC_YEAR 0x1FFF 43 44 #define RTC_CONTROLA 0x1FF8 45 #define RTC_CA_WRITE 0x80 46 #define RTC_CA_READ 0x40 47 #define RTC_CA_CALIB_SIGN 0x20 48 #define RTC_CA_CALIB_MASK 0x1f 49 50 #define RTC_CONTROLB 0x1FF9 51 #define RTC_CB_STOP 0x80 52 53 #define RTC_WATCHDOG 0x1FF7 54 #define RTC_WDS 0x80 55 #define RTC_WD_RB_16TH 0x0 56 #define RTC_WD_RB_4TH 0x1 57 #define RTC_WD_RB_1 0x2 58 #define RTC_WD_RB_4 0x3 59 60 void rtc_set_watchdog(short multi, short res); 61 void *nvram_read(void *dest, const short src, size_t count); 62 void nvram_write(short dest, const void *src, size_t count); 63 64 #endif 65