mirror of https://github.com/acidanthera/audk.git
70 lines
2.1 KiB
Plaintext
70 lines
2.1 KiB
Plaintext
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/*++
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Copyright (c) 1999 - 2014, Intel Corporation. All rights reserved
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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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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Module Name:
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Hpet.c
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Abstract:
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This file contains a structure definition for the ACPI HPET Table.
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--*/
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//
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// Statements that include other files
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//
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#ifdef ECP_FLAG
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#include <Tiano.h>
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#endif
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#include <Hpet.h>
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#include "AcpiTablePlatform.h"
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// Hpet Table
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EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER HPET = {
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{
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EFI_ACPI_3_0_HIGH_PRECISION_EVENT_TIMER_TABLE_SIGNATURE,
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sizeof (EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER),
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EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_REVISION,
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0, // to make sum of entire table == 0
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EFI_ACPI_OEM_ID, // OEMID is a 6 bytes long field
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EFI_ACPI_OEM_TABLE_ID, // OEM table identification(8 bytes long)
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EFI_ACPI_OEM_REVISION, // OEM revision
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EFI_ACPI_CREATOR_ID, // ASL compiler vendor ID
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EFI_ACPI_CREATOR_REVISION // ASL compiler revision number
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},
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0x0, // EventTimerBlockId
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{
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0x00, // Address_Space_ID = System Memory
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0x40, // Register_Bit_Width = 32 bits, mentioned about write failures when in 64bit in SCU HAS
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0x00, // Register_Bit_offset
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0x00, // Dword access
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HPET_BASE_ADDRESS, // Base addresse of HPET
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},
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0x0, // Only HPET's _UID in Namespace
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MAIN_COUNTER_MIN_PERIODIC_CLOCK_TICKS,
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0x0
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};
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VOID*
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ReferenceAcpiTable (
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VOID
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)
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{
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//
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// Reference the table being generated to prevent the optimizer from
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// removing the data structure from the executable
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//
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return (VOID*)&HPET;
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}
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