48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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* Andreas Heppel <aheppel@sysgo.de>
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*/
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/*
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* Date & Time support for the MK48T59 RTC
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*/
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#if defined(CONFIG_RTC_MK48T59) && defined(CONFIG_CMD_DATE)
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#define RTC_PORT_ADDR0 CONFIG_SYS_ISA_IO + 0x70
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#define RTC_PORT_ADDR1 RTC_PORT_ADDR0 + 0x1
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#define RTC_PORT_DATA CONFIG_SYS_ISA_IO + 0x76
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/* RTC Offsets */
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#define RTC_SECONDS 0x1FF9
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#define RTC_MINUTES 0x1FFA
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#define RTC_HOURS 0x1FFB
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#define RTC_DAY_OF_WEEK 0x1FFC
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#define RTC_DAY_OF_MONTH 0x1FFD
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#define RTC_MONTH 0x1FFE
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#define RTC_YEAR 0x1FFF
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#define RTC_CONTROLA 0x1FF8
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#define RTC_CA_WRITE 0x80
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#define RTC_CA_READ 0x40
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#define RTC_CA_CALIB_SIGN 0x20
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#define RTC_CA_CALIB_MASK 0x1f
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#define RTC_CONTROLB 0x1FF9
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#define RTC_CB_STOP 0x80
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#define RTC_WATCHDOG 0x1FF7
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#define RTC_WDS 0x80
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#define RTC_WD_RB_16TH 0x0
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#define RTC_WD_RB_4TH 0x1
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#define RTC_WD_RB_1 0x2
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#define RTC_WD_RB_4 0x3
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void rtc_set_watchdog(short multi, short res);
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void *nvram_read(void *dest, const short src, size_t count);
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void nvram_write(short dest, const void *src, size_t count);
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#endif
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