mirror of https://github.com/acidanthera/audk.git
52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
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/** @file
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This file describes the contents of the ACPI High Precision Event Timer Description Table
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(HPET). Some additional ACPI values are defined in Acpi10.h, Acpi20.h, and Acpi30.h
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All changes to the HPET contents should be done in this file.
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Copyright (c) 2013-2015 Intel Corporation.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _HPET_H_
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#define _HPET_H_
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//
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// Statements that include other files
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//
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#include <IndustryStandard/Acpi.h>
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#include <IndustryStandard/HighPrecisionEventTimerTable.h>
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//
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// HPET Definitions
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//
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#define EFI_ACPI_OEM_HPET_REVISION 0x00000001
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#define EFI_ACPI_EVENT_TIMER_BLOCK_ID 0x8086A201
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#define ACPI_RUNTIME_UPDATE 0x00
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//
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// Event Timer Block Base Address Information
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//
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#define EFI_ACPI_EVENT_TIMER_BLOCK_ADDRESS_SPACE_ID EFI_ACPI_3_0_SYSTEM_MEMORY
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#define EFI_ACPI_EVENT_TIMER_BLOCK_BIT_WIDTH 0x00
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#define EFI_ACPI_EVENT_TIMER_BLOCK_BIT_OFFSET 0x00
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#define EFI_ACPI_EVENT_TIMER_ACCESS_SIZE 0x00
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#define EFI_ACPI_HPET_NUMBER 0x00
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#define EFI_ACPI_MIN_CLOCK_TICK 0x0080
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#define EFI_ACPI_HPET_ATTRIBUTES 0x00
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#endif
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