audk/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClock.h

40 lines
1.6 KiB
C

/** @file
*
* Copyright (c) 2011 - 2014, ARM Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-2-Clause-Patent
*
**/
#ifndef __PL031_REAL_TIME_CLOCK_H__
#define __PL031_REAL_TIME_CLOCK_H__
// PL031 Registers
#define PL031_RTC_DR_DATA_REGISTER 0x000
#define PL031_RTC_MR_MATCH_REGISTER 0x004
#define PL031_RTC_LR_LOAD_REGISTER 0x008
#define PL031_RTC_CR_CONTROL_REGISTER 0x00C
#define PL031_RTC_IMSC_IRQ_MASK_SET_CLEAR_REGISTER 0x010
#define PL031_RTC_RIS_RAW_IRQ_STATUS_REGISTER 0x014
#define PL031_RTC_MIS_MASKED_IRQ_STATUS_REGISTER 0x018
#define PL031_RTC_ICR_IRQ_CLEAR_REGISTER 0x01C
#define PL031_RTC_PERIPH_ID0 0xFE0
#define PL031_RTC_PERIPH_ID1 0xFE4
#define PL031_RTC_PERIPH_ID2 0xFE8
#define PL031_RTC_PERIPH_ID3 0xFEC
#define PL031_RTC_PCELL_ID0 0xFF0
#define PL031_RTC_PCELL_ID1 0xFF4
#define PL031_RTC_PCELL_ID2 0xFF8
#define PL031_RTC_PCELL_ID3 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
#endif