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.
22 // Common table header, this prefaces all ACPI tables, including FACS, but
23 // excluding the RSD PTR structure
28 } EFI_ACPI_COMMON_HEADER
;
31 // Common ACPI description table header. This structure prefaces most ACPI tables.
44 UINT32 CreatorRevision
;
45 } EFI_ACPI_DESCRIPTION_HEADER
;
49 // Define for Pci Host Bridge Resource Allocation
51 #define ACPI_ADDRESS_SPACE_DESCRIPTOR 0x8A
52 #define ACPI_END_TAG_DESCRIPTOR 0x79
54 #define ACPI_ADDRESS_SPACE_TYPE_MEM 0x00
55 #define ACPI_ADDRESS_SPACE_TYPE_IO 0x01
56 #define ACPI_ADDRESS_SPACE_TYPE_BUS 0x02
59 // Power Management Timer frequency is fixed at 3.579545MHz
61 #define ACPI_TIMER_FREQUENCY 3579545
64 // Make sure structures match spec
74 UINT64 AddrSpaceGranularity
;
77 UINT64 AddrTranslationOffset
;
79 } EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR
;
84 } EFI_ACPI_END_TAG_DESCRIPTOR
;
87 // General use definitions
89 #define EFI_ACPI_RESERVED_BYTE 0x00
90 #define EFI_ACPI_RESERVED_WORD 0x0000
91 #define EFI_ACPI_RESERVED_DWORD 0x00000000
92 #define EFI_ACPI_RESERVED_QWORD 0x0000000000000000
95 // Resource Type Specific Flags
96 // Ref ACPI specification 6.4.3.5.5
98 // Bit [0] : Write Status, _RW
100 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_WRITE (1 << 0)
101 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_ONLY (0 << 0)
103 // Bit [2:1] : Memory Attributes, _MEM
105 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_NON_CACHEABLE (0 << 1)
106 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE (1 << 1)
107 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_WRITE_COMBINING (2 << 1)
108 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_PREFETCHABLE (3 << 1)
110 // Bit [4:3] : Memory Attributes, _MTP
112 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_MEMORY (0 << 3)
113 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_RESERVED (1 << 3)
114 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_ACPI (2 << 3)
115 #define EFI_APCI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_NVS (3 << 3)
117 // Bit [5] : Memory to I/O Translation, _TTP
119 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_TRANSLATION (1 << 5)
120 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_STATIC (0 << 5)