audk/ArmPlatformPkg/Include/Drivers/PL031RealTimeClock.h

60 lines
2.8 KiB
C

/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
* which accompanies this distribution. The full text of the license may be found at
* http://opensource.org/licenses/bsd-license.php
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*
**/
#ifndef __PL031_REAL_TIME_CLOCK_H__
#define __PL031_REAL_TIME_CLOCK_H__
#include <Base.h>
#include <ArmPlatform.h>
// PL031 Registers
#define PL031_RTC_DR_DATA_REGISTER (PL031_RTC_BASE + 0x000)
#define PL031_RTC_MR_MATCH_REGISTER (PL031_RTC_BASE + 0x004)
#define PL031_RTC_LR_LOAD_REGISTER (PL031_RTC_BASE + 0x008)
#define PL031_RTC_CR_CONTROL_REGISTER (PL031_RTC_BASE + 0x00C)
#define PL031_RTC_IMSC_IRQ_MASK_SET_CLEAR_REGISTER (PL031_RTC_BASE + 0x010)
#define PL031_RTC_RIS_RAW_IRQ_STATUS_REGISTER (PL031_RTC_BASE + 0x014)
#define PL031_RTC_MIS_MASKED_IRQ_STATUS_REGISTER (PL031_RTC_BASE + 0x018)
#define PL031_RTC_ICR_IRQ_CLEAR_REGISTER (PL031_RTC_BASE + 0x01C)
#define PL031_RTC_PERIPH_ID0 (PL031_RTC_BASE + 0xFE0)
#define PL031_RTC_PERIPH_ID1 (PL031_RTC_BASE + 0xFE4)
#define PL031_RTC_PERIPH_ID2 (PL031_RTC_BASE + 0xFE8)
#define PL031_RTC_PERIPH_ID3 (PL031_RTC_BASE + 0xFEC)
#define PL031_RTC_PCELL_ID0 (PL031_RTC_BASE + 0xFF0)
#define PL031_RTC_PCELL_ID1 (PL031_RTC_BASE + 0xFF4)
#define PL031_RTC_PCELL_ID2 (PL031_RTC_BASE + 0xFF8)
#define PL031_RTC_PCELL_ID3 (PL031_RTC_BASE + 0xFFC)
// PL031 Values
#define PL031_RTC_ENABLED 0x00000001
#define PL031_SET_IRQ_MASK 0x00000001
#define PL031_IRQ_TRIGGERED 0x00000001
#define PL031_CLEAR_IRQ 0x00000001
#define PL031_COUNTS_PER_SECOND 1
// Define EPOCH (1970-JANUARY-01) in the Julian Date representation
#define EPOCH_JULIAN_DATE 2440588
// Seconds per unit
#define SEC_PER_MIN ((UINTN) 60)
#define SEC_PER_HOUR ((UINTN) 3600)
#define SEC_PER_DAY ((UINTN) 86400)
#define SEC_PER_MONTH ((UINTN) 2,592,000)
#define SEC_PER_YEAR ((UINTN) 31,536,000)
#endif