70 lines
2.6 KiB
C
70 lines
2.6 KiB
C
/** @file
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This file describes the contents of the ACPI High Precision Event Timer Description Table
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(HPET). All changes to the HPET contents should be done in this file.
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@copyright
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INTEL CONFIDENTIAL
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Copyright 1999 - 2016 Intel Corporation.
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The source code contained or described herein and all documents related to the
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source code ("Material") are owned by Intel Corporation or its suppliers or
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licensors. Title to the Material remains with Intel Corporation or its suppliers
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and licensors. The Material may contain trade secrets and proprietary and
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confidential information of Intel Corporation and its suppliers and licensors,
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and is protected by worldwide copyright and trade secret laws and treaty
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provisions. No part of the Material may be used, copied, reproduced, modified,
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published, uploaded, posted, transmitted, distributed, or disclosed in any way
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without Intel's prior express written permission.
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No license under any patent, copyright, trade secret or other intellectual
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property right is granted to or conferred upon you by disclosure or delivery
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of the Materials, either expressly, by implication, inducement, estoppel or
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otherwise. Any license under such intellectual property rights must be
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express and approved by Intel in writing.
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Unless otherwise agreed by Intel in writing, you may not remove or alter
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this notice or any other notice embedded in Materials by Intel or
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Intel's suppliers or licensors in any way.
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This file contains a 'Sample Driver' and is licensed as such under the terms
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of your license agreement with Intel or your vendor. This file may be modified
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by the user, subject to the additional terms of the license agreement.
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@par Specification Reference:
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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/Acpi30.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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//
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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 0x40
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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_EVENT_TIMER_BLOCK_ADDRESS 0x00000000FED00000
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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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