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- /** @file
- This file contains a structure definition for the ACPI 1.0 High Precision Event Timer
- Description Table (HPET). The contents of this file should only be modified
- for bug fixes, no porting is required.
- Copyright (c) 2019 Intel Corporation. All rights reserved. <BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- //
- // Statements that include other files
- //
- #include <IndustryStandard/Acpi.h>
- #include <IndustryStandard/HighPrecisionEventTimerTable.h>
- //
- // HPET Definitions
- //
- #define EFI_ACPI_OEM_HPET_REVISION 0x00000001
- #define EFI_ACPI_EVENT_TIMER_BLOCK_ID 0x0 // To be filled
- //
- // Event Timer Block Base Address Information
- //
- #define EFI_ACPI_EVENT_TIMER_BLOCK_ADDRESS_SPACE_ID EFI_ACPI_3_0_SYSTEM_MEMORY
- #define EFI_ACPI_EVENT_TIMER_BLOCK_BIT_WIDTH 0x40
- #define EFI_ACPI_EVENT_TIMER_BLOCK_BIT_OFFSET 0x00
- #define EFI_ACPI_EVENT_TIMER_ACCESS_SIZE 0x00
- #define EFI_ACPI_EVENT_TIMER_BLOCK_ADDRESS 0x0 // To be filled
- #define EFI_ACPI_HPET_NUMBER 0x00
- #define EFI_ACPI_MIN_CLOCK_TICK 0x0080
- #define EFI_ACPI_HPET_ATTRIBUTES 0x00
- //
- // High Precision Event Timer Table
- // Please modify all values in Hpet.h only.
- //
- EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER Hpet = {
- {
- EFI_ACPI_3_0_HIGH_PRECISION_EVENT_TIMER_TABLE_SIGNATURE,
- sizeof (EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER),
- EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_REVISION,
- //
- // Checksum will be updated at runtime
- //
- 0x00,
- //
- // It is expected that these values will be updated at runtime
- //
- { ' ', ' ', ' ', ' ', ' ', ' ' },
- 0,
- EFI_ACPI_OEM_HPET_REVISION,
- 0,
- 0
- },
- EFI_ACPI_EVENT_TIMER_BLOCK_ID,
- {
- EFI_ACPI_EVENT_TIMER_BLOCK_ADDRESS_SPACE_ID,
- EFI_ACPI_EVENT_TIMER_BLOCK_BIT_WIDTH,
- EFI_ACPI_EVENT_TIMER_BLOCK_BIT_OFFSET,
- EFI_ACPI_EVENT_TIMER_ACCESS_SIZE,
- EFI_ACPI_EVENT_TIMER_BLOCK_ADDRESS
- },
- EFI_ACPI_HPET_NUMBER,
- EFI_ACPI_MIN_CLOCK_TICK,
- EFI_ACPI_HPET_ATTRIBUTES
- };
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