2 * arch/arm/mach-at91/include/mach/at91_rtc.h
4 * Copyright (C) 2005 Ivan Kokshaysky
5 * Copyright (C) SAN People
7 * Real Time Clock (RTC) - System peripheral registers.
8 * Based on AT91RM9200 datasheet revision E.
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.
19 #define AT91_RTC_CR 0x00 /* Control Register */
20 #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)
32 #define AT91_RTC_MR 0x04 /* Mode Register */
33 #define AT91_RTC_HRMOD (1 << 0) /* 12/24 Hour Mode */
35 #define AT91_RTC_TIMR 0x08 /* Time Register */
36 #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 */
41 #define AT91_RTC_CALR 0x0c /* Calendar Register */
42 #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 */
48 #define AT91_RTC_TIMALR 0x10 /* Time Alarm Register */
49 #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 */
53 #define AT91_RTC_CALALR 0x14 /* Calendar Alarm Register */
54 #define AT91_RTC_MTHEN (1 << 23) /* Month Alarm Enable */
55 #define AT91_RTC_DATEEN (1 << 31) /* Date Alarm Enable */
57 #define AT91_RTC_SR 0x18 /* Status Register */
58 #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 */
64 #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 */
69 #define AT91_RTC_VER 0x2c /* Valid Entry Register */
70 #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 */