/** @file | |
This file contains some basic ACPI definitions that are consumed by drivers | |
that do not care about ACPI versions. | |
Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR> | |
This program and the accompanying materials are licensed and made available | |
under the terms and conditions of the BSD License which accompanies this | |
distribution. The full text of the license may be found at | |
http://opensource.org/licenses/bsd-license.php | |
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
**/ | |
#ifndef _ACPI_H_ | |
#define _ACPI_H_ | |
// | |
// Common table header, this prefaces all ACPI tables, including FACS, but | |
// excluding the RSD PTR structure | |
// | |
typedef struct { | |
UINT32 Signature; | |
UINT32 Length; | |
} EFI_ACPI_COMMON_HEADER; | |
// | |
// Common ACPI description table header. This structure prefaces most ACPI tables. | |
// | |
#pragma pack(1) | |
typedef struct { | |
UINT32 Signature; | |
UINT32 Length; | |
UINT8 Revision; | |
UINT8 Checksum; | |
UINT8 OemId[6]; | |
UINT64 OemTableId; | |
UINT32 OemRevision; | |
UINT32 CreatorId; | |
UINT32 CreatorRevision; | |
} EFI_ACPI_DESCRIPTION_HEADER; | |
#pragma pack() | |
// | |
// Define for Pci Host Bridge Resource Allocation | |
// | |
#define ACPI_ADDRESS_SPACE_DESCRIPTOR 0x8A | |
#define ACPI_END_TAG_DESCRIPTOR 0x79 | |
#define ACPI_ADDRESS_SPACE_TYPE_MEM 0x00 | |
#define ACPI_ADDRESS_SPACE_TYPE_IO 0x01 | |
#define ACPI_ADDRESS_SPACE_TYPE_BUS 0x02 | |
// | |
// Power Management Timer frequency is fixed at 3.579545MHz | |
// | |
#define ACPI_TIMER_FREQUENCY 3579545 | |
// | |
// Make sure structures match spec | |
// | |
#pragma pack(1) | |
typedef struct { | |
UINT8 Desc; | |
UINT16 Len; | |
UINT8 ResType; | |
UINT8 GenFlag; | |
UINT8 SpecificFlag; | |
UINT64 AddrSpaceGranularity; | |
UINT64 AddrRangeMin; | |
UINT64 AddrRangeMax; | |
UINT64 AddrTranslationOffset; | |
UINT64 AddrLen; | |
} EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR; | |
typedef struct { | |
UINT8 Desc; | |
UINT8 Checksum; | |
} EFI_ACPI_END_TAG_DESCRIPTOR; | |
// | |
// General use definitions | |
// | |
#define EFI_ACPI_RESERVED_BYTE 0x00 | |
#define EFI_ACPI_RESERVED_WORD 0x0000 | |
#define EFI_ACPI_RESERVED_DWORD 0x00000000 | |
#define EFI_ACPI_RESERVED_QWORD 0x0000000000000000 | |
// | |
// Resource Type Specific Flags | |
// Ref ACPI specification 6.4.3.5.5 | |
// | |
// Bit [0] : Write Status, _RW | |
// | |
#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_WRITE (1 << 0) | |
#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_ONLY (0 << 0) | |
// | |
// Bit [2:1] : Memory Attributes, _MEM | |
// | |
#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_NON_CACHEABLE (0 << 1) | |
#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE (1 << 1) | |
#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_WRITE_COMBINING (2 << 1) | |
#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_PREFETCHABLE (3 << 1) | |
// | |
// Bit [4:3] : Memory Attributes, _MTP | |
// | |
#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_MEMORY (0 << 3) | |
#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_RESERVED (1 << 3) | |
#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_ACPI (2 << 3) | |
#define EFI_APCI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_NVS (3 << 3) | |
// | |
// Bit [5] : Memory to I/O Translation, _TTP | |
// | |
#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_TRANSLATION (1 << 5) | |
#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_STATIC (0 << 5) | |
#pragma pack() | |
#endif |