/** @file
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This file contains a structure definition for the ACPI 1.0 High Precision Event Timer
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Description Table (HPET). The contents of this file should only be modified
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for bug fixes, no porting is required.
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Copyright (c) 2019 Intel Corporation. All rights reserved. <BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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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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#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 0x0 // To be filled
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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 0x0 // To be filled
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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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//
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// High Precision Event Timer Table
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// Please modify all values in Hpet.h only.
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//
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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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//
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// Checksum will be updated at runtime
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//
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0x00,
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//
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// It is expected that these values will be updated at runtime
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//
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{ ' ', ' ', ' ', ' ', ' ', ' ' },
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0,
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EFI_ACPI_OEM_HPET_REVISION,
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0,
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0
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},
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EFI_ACPI_EVENT_TIMER_BLOCK_ID,
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{
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EFI_ACPI_EVENT_TIMER_BLOCK_ADDRESS_SPACE_ID,
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EFI_ACPI_EVENT_TIMER_BLOCK_BIT_WIDTH,
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EFI_ACPI_EVENT_TIMER_BLOCK_BIT_OFFSET,
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EFI_ACPI_EVENT_TIMER_ACCESS_SIZE,
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EFI_ACPI_EVENT_TIMER_BLOCK_ADDRESS
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},
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EFI_ACPI_HPET_NUMBER,
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EFI_ACPI_MIN_CLOCK_TICK,
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EFI_ACPI_HPET_ATTRIBUTES
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};
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