| 1 | /** @file
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| 2 | This file contains some basic ACPI definitions that are consumed by drivers
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| 3 | that do not care about ACPI versions.
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| 4 |
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| 5 | Copyright (c) 2006, Intel Corporation All rights reserved.
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| 6 |
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| 7 | This program and the accompanying materials are licensed and made available
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| 8 | under the terms and conditions of the BSD License which accompanies this
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| 9 | distribution. The full text of the license may be found at:
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| 10 | http://opensource.org/licenses/bsd-license.php
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| 11 |
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| 12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 14 |
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| 15 | File Name: Acpi.h
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| 16 |
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| 17 | **/
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| 18 |
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| 19 | #ifndef _ACPI_H_
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| 20 | #define _ACPI_H_
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| 21 |
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| 22 | //
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| 23 | // Common table header, this prefaces all ACPI tables, including FACS, but
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| 24 | // excluding the RSD PTR structure
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| 25 | //
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| 26 | typedef struct {
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| 27 | UINT32 Signature;
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| 28 | UINT32 Length;
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| 29 | } EFI_ACPI_COMMON_HEADER;
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| 30 |
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| 31 | //
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| 32 | // Common ACPI description table header. This structure prefaces most ACPI tables.
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| 33 | //
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| 34 | #pragma pack(1)
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| 35 |
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| 36 | typedef struct {
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| 37 | UINT32 Signature;
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| 38 | UINT32 Length;
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| 39 | UINT8 Revision;
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| 40 | UINT8 Checksum;
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| 41 | UINT8 OemId[6];
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| 42 | UINT64 OemTableId;
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| 43 | UINT32 OemRevision;
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| 44 | UINT32 CreatorId;
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| 45 | UINT32 CreatorRevision;
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| 46 | } EFI_ACPI_DESCRIPTION_HEADER;
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| 47 |
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| 48 | #pragma pack()
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| 49 | //
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| 50 | // Define for Pci Host Bridge Resource Allocation
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| 51 | //
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| 52 | #define ACPI_ADDRESS_SPACE_DESCRIPTOR 0x8A
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| 53 | #define ACPI_END_TAG_DESCRIPTOR 0x79
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| 54 |
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| 55 | #define ACPI_ADDRESS_SPACE_TYPE_MEM 0x00
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| 56 | #define ACPI_ADDRESS_SPACE_TYPE_IO 0x01
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| 57 | #define ACPI_ADDRESS_SPACE_TYPE_BUS 0x02
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| 58 |
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| 59 | //
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| 60 | // Power Management Timer frequency is fixed at 3.579545MHz
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| 61 | //
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| 62 | #define ACPI_TIMER_FREQUENCY 3579545
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| 63 |
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| 64 | //
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| 65 | // Make sure structures match spec
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| 66 | //
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| 67 | #pragma pack(1)
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| 68 |
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| 69 | typedef struct {
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| 70 | UINT8 Desc;
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| 71 | UINT16 Len;
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| 72 | UINT8 ResType;
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| 73 | UINT8 GenFlag;
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| 74 | UINT8 SpecificFlag;
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| 75 | UINT64 AddrSpaceGranularity;
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| 76 | UINT64 AddrRangeMin;
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| 77 | UINT64 AddrRangeMax;
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| 78 | UINT64 AddrTranslationOffset;
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| 79 | UINT64 AddrLen;
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| 80 | } EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR;
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| 81 |
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| 82 | typedef struct {
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| 83 | UINT8 Desc;
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| 84 | UINT8 Checksum;
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| 85 | } EFI_ACPI_END_TAG_DESCRIPTOR;
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| 86 |
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| 87 | //
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| 88 | // General use definitions
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| 89 | //
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| 90 | #define EFI_ACPI_RESERVED_BYTE 0x00
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| 91 | #define EFI_ACPI_RESERVED_WORD 0x0000
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| 92 | #define EFI_ACPI_RESERVED_DWORD 0x00000000
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| 93 | #define EFI_ACPI_RESERVED_QWORD 0x0000000000000000
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| 94 |
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| 95 | //
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| 96 | // Resource Type Specific Flags
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| 97 | // Ref ACPI specification 6.4.3.5.5
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| 98 | //
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| 99 | // Bit [0] : Write Status, _RW
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| 100 | //
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| 101 | #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_WRITE (1 << 0)
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| 102 | #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_ONLY (0 << 0)
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| 103 | //
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| 104 | // Bit [2:1] : Memory Attributes, _MEM
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| 105 | //
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| 106 | #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_NON_CACHEABLE (0 << 1)
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| 107 | #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE (1 << 1)
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| 108 | #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_WRITE_COMBINING (2 << 1)
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| 109 | #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_PREFETCHABLE (3 << 1)
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| 110 | //
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| 111 | // Bit [4:3] : Memory Attributes, _MTP
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| 112 | //
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| 113 | #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_MEMORY (0 << 3)
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| 114 | #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_RESERVED (1 << 3)
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| 115 | #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_ACPI (2 << 3)
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| 116 | #define EFI_APCI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_NVS (3 << 3)
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| 117 | //
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| 118 | // Bit [5] : Memory to I/O Translation, _TTP
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| 119 | //
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| 120 | #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_TRANSLATION (1 << 5)
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| 121 | #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_STATIC (0 << 5)
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| 122 |
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| 123 | #pragma pack()
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| 124 |
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| 125 | #endif
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