2 This file contains some basic ACPI definitions that are consumed by drivers
3 that do not care about ACPI versions.
5 Copyright (c) 2006, Intel Corporation
6 All rights reserved. This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution. The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
20 // Common table header, this prefaces all ACPI tables, including FACS, but
21 // excluding the RSD PTR structure
26 } EFI_ACPI_COMMON_HEADER
;
29 // Common ACPI description table header. This structure prefaces most ACPI tables.
42 UINT32 CreatorRevision
;
43 } EFI_ACPI_DESCRIPTION_HEADER
;
47 // Define for Pci Host Bridge Resource Allocation
49 #define ACPI_ADDRESS_SPACE_DESCRIPTOR 0x8A
50 #define ACPI_END_TAG_DESCRIPTOR 0x79
52 #define ACPI_ADDRESS_SPACE_TYPE_MEM 0x00
53 #define ACPI_ADDRESS_SPACE_TYPE_IO 0x01
54 #define ACPI_ADDRESS_SPACE_TYPE_BUS 0x02
57 // Power Management Timer frequency is fixed at 3.579545MHz
59 #define ACPI_TIMER_FREQUENCY 3579545
62 // Make sure structures match spec
72 UINT64 AddrSpaceGranularity
;
75 UINT64 AddrTranslationOffset
;
77 } EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR
;
82 } EFI_ACPI_END_TAG_DESCRIPTOR
;
85 // General use definitions
87 #define EFI_ACPI_RESERVED_BYTE 0x00
88 #define EFI_ACPI_RESERVED_WORD 0x0000
89 #define EFI_ACPI_RESERVED_DWORD 0x00000000
90 #define EFI_ACPI_RESERVED_QWORD 0x0000000000000000
93 // Resource Type Specific Flags
94 // Ref ACPI specification 6.4.3.5.5
96 // Bit [0] : Write Status, _RW
98 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_WRITE (1 << 0)
99 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_ONLY (0 << 0)
101 // Bit [2:1] : Memory Attributes, _MEM
103 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_NON_CACHEABLE (0 << 1)
104 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE (1 << 1)
105 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_WRITE_COMBINING (2 << 1)
106 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_PREFETCHABLE (3 << 1)
108 // Bit [4:3] : Memory Attributes, _MTP
110 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_MEMORY (0 << 3)
111 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_RESERVED (1 << 3)
112 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_ACPI (2 << 3)
113 #define EFI_APCI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_NVS (3 << 3)
115 // Bit [5] : Memory to I/O Translation, _TTP
117 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_TRANSLATION (1 << 5)
118 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_STATIC (0 << 5)