| /** @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 |