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01648f324d
Add register definitions for the AT91 RTC so that this can potentially be used in U-Boot. Signed-off-by: Andre Renaud <andre@designa-electronics.com> Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Heiko Schocher <hs@denx.de> Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
72 lines
2.9 KiB
C
72 lines
2.9 KiB
C
/*
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* Copyright (C) 2005 Ivan Kokshaysky
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* Copyright (C) SAN People
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*
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* Real Time Clock (RTC) - System peripheral registers.
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* Based on AT91RM9200 datasheet revision E.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef AT91_RTC_H
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#define AT91_RTC_H
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/* Control Register */
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#define AT91_RTC_CR (ATMEL_BASE_RTC + 0x00)
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#define AT91_RTC_UPDTIM (1 << 0) /* Update Request Time */
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#define AT91_RTC_UPDCAL (1 << 1) /* Update Request Calendar */
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#define AT91_RTC_TIMEVSEL (3 << 8) /* Time Event Selection */
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#define AT91_RTC_TIMEVSEL_MINUTE (0 << 8)
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#define AT91_RTC_TIMEVSEL_HOUR (1 << 8)
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#define AT91_RTC_TIMEVSEL_DAY24 (2 << 8)
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#define AT91_RTC_TIMEVSEL_DAY12 (3 << 8)
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#define AT91_RTC_CALEVSEL (3 << 16) /* Calendar Event Selection */
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#define AT91_RTC_CALEVSEL_WEEK (0 << 16)
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#define AT91_RTC_CALEVSEL_MONTH (1 << 16)
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#define AT91_RTC_CALEVSEL_YEAR (2 << 16)
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#define AT91_RTC_MR (ATMEL_BASE_RTC + 0x04) /* Mode Register */
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#define AT91_RTC_HRMOD (1 << 0) /* 12/24 Hour Mode */
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#define AT91_RTC_TIMR (ATMEL_BASE_RTC + 0x08) /* Time Register */
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#define AT91_RTC_SEC (0x7f << 0) /* Current Second */
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#define AT91_RTC_MIN (0x7f << 8) /* Current Minute */
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#define AT91_RTC_HOUR (0x3f << 16) /* Current Hour */
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#define AT91_RTC_AMPM (1 << 22) /* AM/PM */
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#define AT91_RTC_CALR (ATMEL_BASE_RTC + 0x0c) /* Calendar Register */
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#define AT91_RTC_CENT (0x7f << 0) /* Current Century */
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#define AT91_RTC_YEAR (0xff << 8) /* Current Year */
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#define AT91_RTC_MONTH (0x1f << 16) /* Current Month */
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#define AT91_RTC_DAY (7 << 21) /* Current Day */
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#define AT91_RTC_DATE (0x3f << 24) /* Current Date */
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#define AT91_RTC_TIMALR (ATMEL_BASE_RTC + 0x10) /* Time Alarm */
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#define AT91_RTC_SECEN (1 << 7) /* Second Alarm Enab */
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#define AT91_RTC_MINEN (1 << 15) /* Minute Alarm Enab */
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#define AT91_RTC_HOUREN (1 << 23) /* Hour Alarm Enable */
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#define AT91_RTC_CALALR (ATMEL_BASE_RTC + 0x14) /* Calendar Alarm */
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#define AT91_RTC_MTHEN (1 << 23) /* Month Alarm Enable */
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#define AT91_RTC_DATEEN (1 << 31) /* Date Alarm Enable */
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#define AT91_RTC_SR (ATMEL_BASE_RTC + 0x18) /* Status Register */
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#define AT91_RTC_ACKUPD (1 << 0) /* Ack for Update */
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#define AT91_RTC_ALARM (1 << 1) /* Alarm Flag */
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#define AT91_RTC_SECEV (1 << 2) /* Second Event */
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#define AT91_RTC_TIMEV (1 << 3) /* Time Event */
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#define AT91_RTC_CALEV (1 << 4) /* Calendar Event */
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#define AT91_RTC_SCCR (ATMEL_BASE_RTC + 0x1c) /* Status Clear Cmd */
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#define AT91_RTC_IER (ATMEL_BASE_RTC + 0x20) /* Interrupt Enable */
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#define AT91_RTC_IDR (ATMEL_BASE_RTC + 0x24) /* Interrupt Disable */
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#define AT91_RTC_IMR (ATMEL_BASE_RTC + 0x28) /* Interrupt Mask */
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#define AT91_RTC_VER (ATMEL_BASE_RTC + 0x2c) /* Valid Entry */
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#define AT91_RTC_NVTIM (1 << 0) /* Non-valid Time */
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#define AT91_RTC_NVCAL (1 << 1) /* Non-valid Calendar */
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#define AT91_RTC_NVTIMALR (1 << 2) /* .. Time Alarm */
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#define AT91_RTC_NVCALALR (1 << 3) /* .. Calendar Alarm */
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#endif
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