QuarkPlatformPkg/Acpi/AcpiTables/Hpet/Hpet.h

   1 /** @file
   2 This file describes the contents of the ACPI High Precision Event Timer Description Table
   3 (HPET).  Some additional ACPI values are defined in Acpi10.h, Acpi20.h, and Acpi30.h
   4 All changes to the HPET contents should be done in this file.
   5
   6 Copyright (c) 2013-2015 Intel Corporation.
   7
   8 This program and the accompanying materials
   9 are licensed and made available under the terms and conditions of the BSD License
  10 which accompanies this distribution.  The full text of the license may be found at
  11 http://opensource.org/licenses/bsd-license.php
  12
  13 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  14 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  15
  16 **/
  17
  18 #ifndef _HPET_H_
  19 #define _HPET_H_
  20
  21 //
  22 // Statements that include other files
  23 //
  24 #include <IndustryStandard/Acpi.h>
  25 #include <IndustryStandard/HighPrecisionEventTimerTable.h>
  26
  27 //
  28 // HPET Definitions
  29 //
  30
  31 #define EFI_ACPI_OEM_HPET_REVISION                      0x00000001
  32
  33 #define EFI_ACPI_EVENT_TIMER_BLOCK_ID                   0x8086A201
  34
  35 #define ACPI_RUNTIME_UPDATE                             0x00
  36
  37 //
  38 // Event Timer Block Base Address Information
  39 //
  40 #define EFI_ACPI_EVENT_TIMER_BLOCK_ADDRESS_SPACE_ID     EFI_ACPI_3_0_SYSTEM_MEMORY
  41 #define EFI_ACPI_EVENT_TIMER_BLOCK_BIT_WIDTH            0x00
  42 #define EFI_ACPI_EVENT_TIMER_BLOCK_BIT_OFFSET           0x00
  43 #define EFI_ACPI_EVENT_TIMER_ACCESS_SIZE                0x00
  44
  45 #define EFI_ACPI_HPET_NUMBER                            0x00
  46
  47 #define EFI_ACPI_MIN_CLOCK_TICK                         0x0080
  48
  49 #define EFI_ACPI_HPET_ATTRIBUTES                        0x00
  50
  51 #endif