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Russell Kinga09e64f2008-08-05 16:14:15 +01001/*
2 * arch/arm/mach-at91/include/mach/at91_rtc.h
3 *
4 * Copyright (C) 2005 Ivan Kokshaysky
5 * Copyright (C) SAN People
6 *
7 * Real Time Clock (RTC) - System peripheral registers.
8 * Based on AT91RM9200 datasheet revision E.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 */
15
16#ifndef AT91_RTC_H
17#define AT91_RTC_H
18
Jean-Christophe PLAGNIOL-VILLARDd28bdfc2011-11-14 14:24:53 +080019#define AT91_RTC_CR 0x00 /* Control Register */
Russell Kinga09e64f2008-08-05 16:14:15 +010020#define AT91_RTC_UPDTIM (1 << 0) /* Update Request Time Register */
21#define AT91_RTC_UPDCAL (1 << 1) /* Update Request Calendar Register */
22#define AT91_RTC_TIMEVSEL (3 << 8) /* Time Event Selection */
23#define AT91_RTC_TIMEVSEL_MINUTE (0 << 8)
24#define AT91_RTC_TIMEVSEL_HOUR (1 << 8)
25#define AT91_RTC_TIMEVSEL_DAY24 (2 << 8)
26#define AT91_RTC_TIMEVSEL_DAY12 (3 << 8)
27#define AT91_RTC_CALEVSEL (3 << 16) /* Calendar Event Selection */
28#define AT91_RTC_CALEVSEL_WEEK (0 << 16)
29#define AT91_RTC_CALEVSEL_MONTH (1 << 16)
30#define AT91_RTC_CALEVSEL_YEAR (2 << 16)
31
Jean-Christophe PLAGNIOL-VILLARDd28bdfc2011-11-14 14:24:53 +080032#define AT91_RTC_MR 0x04 /* Mode Register */
Russell Kinga09e64f2008-08-05 16:14:15 +010033#define AT91_RTC_HRMOD (1 << 0) /* 12/24 Hour Mode */
34
Jean-Christophe PLAGNIOL-VILLARDd28bdfc2011-11-14 14:24:53 +080035#define AT91_RTC_TIMR 0x08 /* Time Register */
Russell Kinga09e64f2008-08-05 16:14:15 +010036#define AT91_RTC_SEC (0x7f << 0) /* Current Second */
37#define AT91_RTC_MIN (0x7f << 8) /* Current Minute */
38#define AT91_RTC_HOUR (0x3f << 16) /* Current Hour */
39#define AT91_RTC_AMPM (1 << 22) /* Ante Meridiem Post Meridiem Indicator */
40
Jean-Christophe PLAGNIOL-VILLARDd28bdfc2011-11-14 14:24:53 +080041#define AT91_RTC_CALR 0x0c /* Calendar Register */
Russell Kinga09e64f2008-08-05 16:14:15 +010042#define AT91_RTC_CENT (0x7f << 0) /* Current Century */
43#define AT91_RTC_YEAR (0xff << 8) /* Current Year */
44#define AT91_RTC_MONTH (0x1f << 16) /* Current Month */
45#define AT91_RTC_DAY (7 << 21) /* Current Day */
46#define AT91_RTC_DATE (0x3f << 24) /* Current Date */
47
Jean-Christophe PLAGNIOL-VILLARDd28bdfc2011-11-14 14:24:53 +080048#define AT91_RTC_TIMALR 0x10 /* Time Alarm Register */
Russell Kinga09e64f2008-08-05 16:14:15 +010049#define AT91_RTC_SECEN (1 << 7) /* Second Alarm Enable */
50#define AT91_RTC_MINEN (1 << 15) /* Minute Alarm Enable */
51#define AT91_RTC_HOUREN (1 << 23) /* Hour Alarm Enable */
52
Jean-Christophe PLAGNIOL-VILLARDd28bdfc2011-11-14 14:24:53 +080053#define AT91_RTC_CALALR 0x14 /* Calendar Alarm Register */
Russell Kinga09e64f2008-08-05 16:14:15 +010054#define AT91_RTC_MTHEN (1 << 23) /* Month Alarm Enable */
55#define AT91_RTC_DATEEN (1 << 31) /* Date Alarm Enable */
56
Jean-Christophe PLAGNIOL-VILLARDd28bdfc2011-11-14 14:24:53 +080057#define AT91_RTC_SR 0x18 /* Status Register */
Russell Kinga09e64f2008-08-05 16:14:15 +010058#define AT91_RTC_ACKUPD (1 << 0) /* Acknowledge for Update */
59#define AT91_RTC_ALARM (1 << 1) /* Alarm Flag */
60#define AT91_RTC_SECEV (1 << 2) /* Second Event */
61#define AT91_RTC_TIMEV (1 << 3) /* Time Event */
62#define AT91_RTC_CALEV (1 << 4) /* Calendar Event */
63
Jean-Christophe PLAGNIOL-VILLARDd28bdfc2011-11-14 14:24:53 +080064#define AT91_RTC_SCCR 0x1c /* Status Clear Command Register */
65#define AT91_RTC_IER 0x20 /* Interrupt Enable Register */
66#define AT91_RTC_IDR 0x24 /* Interrupt Disable Register */
67#define AT91_RTC_IMR 0x28 /* Interrupt Mask Register */
Russell Kinga09e64f2008-08-05 16:14:15 +010068
Jean-Christophe PLAGNIOL-VILLARDd28bdfc2011-11-14 14:24:53 +080069#define AT91_RTC_VER 0x2c /* Valid Entry Register */
Russell Kinga09e64f2008-08-05 16:14:15 +010070#define AT91_RTC_NVTIM (1 << 0) /* Non valid Time */
71#define AT91_RTC_NVCAL (1 << 1) /* Non valid Calendar */
72#define AT91_RTC_NVTIMALR (1 << 2) /* Non valid Time Alarm */
73#define AT91_RTC_NVCALALR (1 << 3) /* Non valid Calendar Alarm */
74
75#endif