audk/Vlv2TbltDevicePkg/Include/Hpet.h

41 lines
966 B
C

/*++
Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
Module Name:
Mseg.h
Abstract:
This file describes the contents of the ACPI HEPT Table.
--*/
#ifndef _HPET_H
#define _HPET_H
//
// Statements that include other files
//
#include <IndustryStandard/Acpi10.h>
#include <IndustryStandard/Acpi20.h>
#include <IndustryStandard/Acpi30.h>
#include <IndustryStandard/HighPrecisionEventTimerTable.h>
//
// HPET Definitions
//
#define EFI_ACPI_HPET_TABLE_REVISION 0x1
#define MAIN_COUNTER_MIN_PERIODIC_CLOCK_TICKS 0x80 //approx 1ms
#define HPET_BASE_ADDRESS 0xFED00000
#define EFI_ACPI_EVENT_TIMER_BLOCK_ID 0x8086A001
#endif