1 /* 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 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) 31 32 #define AT91_RTC_MR 0x04 /* Mode Register */ 33 #define AT91_RTC_HRMOD (1 << 0) /* 12/24 Hour Mode */ 34 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 */ 40 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 */ 47 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 */ 52 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 */ 56 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 */ 63 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 */ 68 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 */ 74 75 #endif 76