From 0f4386e775c76c215425f529d4339fd4a85a47b9 Mon Sep 17 00:00:00 2001 From: oliviermartin Date: Sat, 11 Jun 2011 11:20:27 +0000 Subject: ArmPlatformPkg/PL031RealTimeClockLib: Implement PL031 RTC drive git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11793 6f19259b-4bc3-4df7-8a09-765794883524 --- .../Include/Drivers/PL031RealTimeClock.h | 59 ++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 ArmPlatformPkg/Include/Drivers/PL031RealTimeClock.h (limited to 'ArmPlatformPkg/Include') diff --git a/ArmPlatformPkg/Include/Drivers/PL031RealTimeClock.h b/ArmPlatformPkg/Include/Drivers/PL031RealTimeClock.h new file mode 100644 index 0000000000..8c26d66053 --- /dev/null +++ b/ArmPlatformPkg/Include/Drivers/PL031RealTimeClock.h @@ -0,0 +1,59 @@ +/** @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 +#include + +// 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 -- cgit v1.2.3