1 /** @file 2 * 3 * Copyright (c) 2011 - 2014, ARM Limited. All rights reserved. 4 * 5 * This program and the accompanying materials 6 * are licensed and made available under the terms and conditions of the BSD License 7 * which accompanies this distribution. The full text of the license may be found at 8 * http://opensource.org/licenses/bsd-license.php 9 * 10 * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 * 13 **/ 14 15 16 #ifndef __PL031_REAL_TIME_CLOCK_H__ 17 #define __PL031_REAL_TIME_CLOCK_H__ 18 19 // PL031 Registers 20 #define PL031_RTC_DR_DATA_REGISTER 0x000 21 #define PL031_RTC_MR_MATCH_REGISTER 0x004 22 #define PL031_RTC_LR_LOAD_REGISTER 0x008 23 #define PL031_RTC_CR_CONTROL_REGISTER 0x00C 24 #define PL031_RTC_IMSC_IRQ_MASK_SET_CLEAR_REGISTER 0x010 25 #define PL031_RTC_RIS_RAW_IRQ_STATUS_REGISTER 0x014 26 #define PL031_RTC_MIS_MASKED_IRQ_STATUS_REGISTER 0x018 27 #define PL031_RTC_ICR_IRQ_CLEAR_REGISTER 0x01C 28 #define PL031_RTC_PERIPH_ID0 0xFE0 29 #define PL031_RTC_PERIPH_ID1 0xFE4 30 #define PL031_RTC_PERIPH_ID2 0xFE8 31 #define PL031_RTC_PERIPH_ID3 0xFEC 32 #define PL031_RTC_PCELL_ID0 0xFF0 33 #define PL031_RTC_PCELL_ID1 0xFF4 34 #define PL031_RTC_PCELL_ID2 0xFF8 35 #define PL031_RTC_PCELL_ID3 0xFFC 36 37 // PL031 Values 38 #define PL031_RTC_ENABLED 0x00000001 39 #define PL031_SET_IRQ_MASK 0x00000001 40 #define PL031_IRQ_TRIGGERED 0x00000001 41 #define PL031_CLEAR_IRQ 0x00000001 42 43 #define PL031_COUNTS_PER_SECOND 1 44 45 // Define EPOCH (1970-JANUARY-01) in the Julian Date representation 46 #define EPOCH_JULIAN_DATE 2440588 47 48 // Seconds per unit 49 #define SEC_PER_MIN ((UINTN) 60) 50 #define SEC_PER_HOUR ((UINTN) 3600) 51 #define SEC_PER_DAY ((UINTN) 86400) 52 53 #define SEC_PER_MONTH ((UINTN) 2,592,000) 54 #define SEC_PER_YEAR ((UINTN) 31,536,000) 55 56 #endif 57