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| author | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-06-11 11:20:27 +0000 |
|---|---|---|
| committer | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-06-11 11:20:27 +0000 |
| commit | 0f4386e775c76c215425f529d4339fd4a85a47b9 (patch) | |
| tree | b9d9933d351fccbbe98bd37b0d41b3fd6de3fe5c /ArmPlatformPkg/Include/Drivers | |
| parent | 99127e9699712277102534228dada5afb45ad9ff (diff) | |
| download | edk2-platforms-0f4386e775c76c215425f529d4339fd4a85a47b9.tar.xz | |
ArmPlatformPkg/PL031RealTimeClockLib: Implement PL031 RTC drive
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11793 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPlatformPkg/Include/Drivers')
| -rw-r--r-- | ArmPlatformPkg/Include/Drivers/PL031RealTimeClock.h | 59 |
1 files changed, 59 insertions, 0 deletions
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 <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
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