1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com> 4 * Andreas Heppel <aheppel@sysgo.de> 5 */ 6 7 /* 8 * Date & Time support for the MK48T59 RTC 9 */ 10 11 12 #if defined(CONFIG_RTC_MK48T59) && defined(CONFIG_CMD_DATE) 13 14 #define RTC_PORT_ADDR0 CONFIG_SYS_ISA_IO + 0x70 15 #define RTC_PORT_ADDR1 RTC_PORT_ADDR0 + 0x1 16 #define RTC_PORT_DATA CONFIG_SYS_ISA_IO + 0x76 17 18 /* RTC Offsets */ 19 #define RTC_SECONDS 0x1FF9 20 #define RTC_MINUTES 0x1FFA 21 #define RTC_HOURS 0x1FFB 22 #define RTC_DAY_OF_WEEK 0x1FFC 23 #define RTC_DAY_OF_MONTH 0x1FFD 24 #define RTC_MONTH 0x1FFE 25 #define RTC_YEAR 0x1FFF 26 27 #define RTC_CONTROLA 0x1FF8 28 #define RTC_CA_WRITE 0x80 29 #define RTC_CA_READ 0x40 30 #define RTC_CA_CALIB_SIGN 0x20 31 #define RTC_CA_CALIB_MASK 0x1f 32 33 #define RTC_CONTROLB 0x1FF9 34 #define RTC_CB_STOP 0x80 35 36 #define RTC_WATCHDOG 0x1FF7 37 #define RTC_WDS 0x80 38 #define RTC_WD_RB_16TH 0x0 39 #define RTC_WD_RB_4TH 0x1 40 #define RTC_WD_RB_1 0x2 41 #define RTC_WD_RB_4 0x3 42 43 void rtc_set_watchdog(short multi, short res); 44 void *nvram_read(void *dest, const short src, size_t count); 45 void nvram_write(short dest, const void *src, size_t count); 46 47 #endif 48