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/** @file
This file contains some basic ACPI definitions that are consumed by drivers
that do not care about ACPI versions.
Copyright (c) 2006, Intel Corporation
All rights reserved. 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.
Module Name: Acpi.h
**/
#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
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