1 /*++ 2 3 Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR> 4 5 6 This program and the accompanying materials are licensed and made available under 7 8 the terms and conditions of the BSD License that accompanies this distribution. 9 10 The full text of the license may be found at 11 12 http://opensource.org/licenses/bsd-license.php. 13 14 15 16 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 17 18 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 19 20 21 22 23 24 Module Name: 25 26 Mseg.h 27 28 Abstract: 29 30 This file describes the contents of the ACPI HEPT Table. 31 32 --*/ 33 34 #ifndef _HPET_H 35 #define _HPET_H 36 37 // 38 // Statements that include other files 39 // 40 #include <IndustryStandard/Acpi10.h> 41 #include <IndustryStandard/Acpi20.h> 42 #include <IndustryStandard/Acpi30.h> 43 #include <IndustryStandard/HighPrecisionEventTimerTable.h> 44 45 // 46 // HPET Definitions 47 // 48 #define EFI_ACPI_HPET_TABLE_REVISION 0x1 49 #define MAIN_COUNTER_MIN_PERIODIC_CLOCK_TICKS 0x80 //approx 1ms 50 51 #define HPET_BASE_ADDRESS 0xFED00000 52 #define EFI_ACPI_EVENT_TIMER_BLOCK_ID 0x8086A001 53 54 #endif 55