1 /* 2 * Copyright (C) 2005 Ivan Kokshaysky 3 * Copyright (C) SAN People 4 * 5 * Real Time Clock (RTC) - System peripheral registers. 6 * Based on AT91RM9200 datasheet revision E. 7 * 8 * SPDX-License-Identifier: GPL-2.0+ 9 */ 10 11 #ifndef AT91_RTC_H 12 #define AT91_RTC_H 13 14 /* Control Register */ 15 #define AT91_RTC_CR (ATMEL_BASE_RTC + 0x00) 16 #define AT91_RTC_UPDTIM (1 << 0) /* Update Request Time */ 17 #define AT91_RTC_UPDCAL (1 << 1) /* Update Request Calendar */ 18 #define AT91_RTC_TIMEVSEL (3 << 8) /* Time Event Selection */ 19 #define AT91_RTC_TIMEVSEL_MINUTE (0 << 8) 20 #define AT91_RTC_TIMEVSEL_HOUR (1 << 8) 21 #define AT91_RTC_TIMEVSEL_DAY24 (2 << 8) 22 #define AT91_RTC_TIMEVSEL_DAY12 (3 << 8) 23 #define AT91_RTC_CALEVSEL (3 << 16) /* Calendar Event Selection */ 24 #define AT91_RTC_CALEVSEL_WEEK (0 << 16) 25 #define AT91_RTC_CALEVSEL_MONTH (1 << 16) 26 #define AT91_RTC_CALEVSEL_YEAR (2 << 16) 27 28 #define AT91_RTC_MR (ATMEL_BASE_RTC + 0x04) /* Mode Register */ 29 #define AT91_RTC_HRMOD (1 << 0) /* 12/24 Hour Mode */ 30 31 #define AT91_RTC_TIMR (ATMEL_BASE_RTC + 0x08) /* Time Register */ 32 #define AT91_RTC_SEC (0x7f << 0) /* Current Second */ 33 #define AT91_RTC_MIN (0x7f << 8) /* Current Minute */ 34 #define AT91_RTC_HOUR (0x3f << 16) /* Current Hour */ 35 #define AT91_RTC_AMPM (1 << 22) /* AM/PM */ 36 37 #define AT91_RTC_CALR (ATMEL_BASE_RTC + 0x0c) /* Calendar Register */ 38 #define AT91_RTC_CENT (0x7f << 0) /* Current Century */ 39 #define AT91_RTC_YEAR (0xff << 8) /* Current Year */ 40 #define AT91_RTC_MONTH (0x1f << 16) /* Current Month */ 41 #define AT91_RTC_DAY (7 << 21) /* Current Day */ 42 #define AT91_RTC_DATE (0x3f << 24) /* Current Date */ 43 44 #define AT91_RTC_TIMALR (ATMEL_BASE_RTC + 0x10) /* Time Alarm */ 45 #define AT91_RTC_SECEN (1 << 7) /* Second Alarm Enab */ 46 #define AT91_RTC_MINEN (1 << 15) /* Minute Alarm Enab */ 47 #define AT91_RTC_HOUREN (1 << 23) /* Hour Alarm Enable */ 48 49 #define AT91_RTC_CALALR (ATMEL_BASE_RTC + 0x14) /* Calendar Alarm */ 50 #define AT91_RTC_MTHEN (1 << 23) /* Month Alarm Enable */ 51 #define AT91_RTC_DATEEN (1 << 31) /* Date Alarm Enable */ 52 53 #define AT91_RTC_SR (ATMEL_BASE_RTC + 0x18) /* Status Register */ 54 #define AT91_RTC_ACKUPD (1 << 0) /* Ack for Update */ 55 #define AT91_RTC_ALARM (1 << 1) /* Alarm Flag */ 56 #define AT91_RTC_SECEV (1 << 2) /* Second Event */ 57 #define AT91_RTC_TIMEV (1 << 3) /* Time Event */ 58 #define AT91_RTC_CALEV (1 << 4) /* Calendar Event */ 59 60 #define AT91_RTC_SCCR (ATMEL_BASE_RTC + 0x1c) /* Status Clear Cmd */ 61 #define AT91_RTC_IER (ATMEL_BASE_RTC + 0x20) /* Interrupt Enable */ 62 #define AT91_RTC_IDR (ATMEL_BASE_RTC + 0x24) /* Interrupt Disable */ 63 #define AT91_RTC_IMR (ATMEL_BASE_RTC + 0x28) /* Interrupt Mask */ 64 65 #define AT91_RTC_VER (ATMEL_BASE_RTC + 0x2c) /* Valid Entry */ 66 #define AT91_RTC_NVTIM (1 << 0) /* Non-valid Time */ 67 #define AT91_RTC_NVCAL (1 << 1) /* Non-valid Calendar */ 68 #define AT91_RTC_NVTIMALR (1 << 2) /* .. Time Alarm */ 69 #define AT91_RTC_NVCALALR (1 << 3) /* .. Calendar Alarm */ 70 71 #endif 72