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Diffstat (limited to 'ReferenceCode/AcpiTables/Cppc/Dxe/Cppc.h')
| -rw-r--r-- | ReferenceCode/AcpiTables/Cppc/Dxe/Cppc.h | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/ReferenceCode/AcpiTables/Cppc/Dxe/Cppc.h b/ReferenceCode/AcpiTables/Cppc/Dxe/Cppc.h new file mode 100644 index 0000000..289fe93 --- /dev/null +++ b/ReferenceCode/AcpiTables/Cppc/Dxe/Cppc.h @@ -0,0 +1,245 @@ +/** @file + Header file for the Collaborative Processor Performance Control (CPPC) driver. + +@copyright + Copyright (c) 2012 Intel Corporation. All rights reserved + This software and associated documentation (if any) is furnished + under a license and may only be used or copied in accordance + with the terms of the license. Except as permitted by such + license, no part of this software or documentation may be + reproduced, stored in a retrieval system, or transmitted in any + form or by any means without the express written consent of + Intel Corporation. + + This file contains an 'Intel Peripheral Driver' and uniquely + identified as "Intel Reference Module" and is + licensed for Intel CPUs and chipsets under the terms of your + license agreement with Intel or your vendor. This file may + be modified by the user, subject to additional terms of the + license agreement +**/ + +#ifndef _CPPC_H_ +#define _CPPC_H_ + +#include "EdkIIGlueBase.h" +#include "EdkIIGlueDxe.h" +#include "EfiScriptLib.h" +#include "Acpi.h" +#include "SaAccess.h" +#include "CpuAccess.h" +#include "CpuPlatformLib.h" +/// +/// Consumed protocols +/// +#include EFI_PROTOCOL_DEPENDENCY (AcpiTable) +#include EFI_PROTOCOL_DEPENDENCY (FirmwareVolume) +#include EFI_PROTOCOL_CONSUMER (PciRootBridgeIo) +#include EFI_PROTOCOL_DEFINITION (AcpiPlatformPolicy) + +#define CPPC_SIZE 0x1000 /// 4kb of runtime memory for CPPC shared memory buffer +#define PCI_DEV_NUM_ICH_LPC 31 /// ICH is Device 31 +#define R_ACPI_BAR 0x40 /// ACPI Base Address Register +#define R_ACPI_GPE_CNTL 0x42 /// GPE control register offset +#define CPUID_FULL_FAMILY_MODEL_HASWELL 0x000306C0 +#define EFI_MSR_POWER_CTL 0x000001FC + +/// +/// SSDT data storage file +/// +#include "CppcAcpiTableStorage.h" + +/// +/// AML parsing definitions +/// +#define AML_NAME_OP 0x08 + +/// +/// ASL NAME structure +/// +#pragma pack(1) +typedef struct { + UINT8 NameOp; // Byte [0]=0x08:NameOp. + UINT32 NameString; // Byte [4:1]=Name of object. + UINT8 DWordPrefix; // Byte [5]=0x0C:DWord Prefix. + UINT32 Value; // Byte [9:6] ; Value of named object. +} NAME_LAYOUT; +#pragma pack() + +/// +/// ACPI 5.0 Generic Address Space definition +/// +#pragma pack(1) +typedef struct { + UINT8 AddressSpaceId; + UINT8 RegisterBitWidth; + UINT8 RegisterBitOffset; + UINT8 AccessSize; + UINT64 Address; +} EFI_ACPI_5_0_GENERIC_ADDRESS_STRUCTURE; +#pragma pack() + +/// +/// Platform Communications Channel Table (PCCT) +/// +#pragma pack(1) +typedef struct { + EFI_ACPI_DESCRIPTION_HEADER Header; + UINT32 Flags; + UINT64 Reserved; +} EFI_ACPI_5_0_PLATFORM_COMMUNICATION_CHANNEL_TABLE_HEADER; +#pragma pack() + +/// +/// Generic Communications Subspace Structure +/// +#pragma pack(1) +typedef struct { + UINT8 Type; + UINT8 Length; + UINT8 Reserved[6]; + UINT64 BaseAddress; + UINT64 AddressLength; + EFI_ACPI_5_0_GENERIC_ADDRESS_STRUCTURE DoorbellRegister; + UINT64 DoorbellPreserve; + UINT64 DoorbellWrite; + UINT32 NominalLatency; + UINT32 MaximumPeriodicAccessRate; + UINT16 MinimumRequestTurnaroundTime; +} EFI_ACPI_5_0_PCCT_SUBSPACE_GENERIC; +#pragma pack() + +/// +/// UINT64 workaround +/// +/// The MS compiler doesn't handle QWORDs very well. I'm breaking +/// them into DWORDs to circumvent the problems. Converting back +/// shouldn't be a big deal. +/// +#pragma pack(1) +typedef union _MSR_REGISTER { + UINT64 Qword; + + struct _DWORDS { + UINT32 Low; + UINT32 High; + } Dwords; + + struct _BYTES { + UINT8 FirstByte; + UINT8 SecondByte; + UINT8 ThirdByte; + UINT8 FouthByte; + UINT8 FifthByte; + UINT8 SixthByte; + UINT8 SeventhByte; + UINT8 EighthByte; + } Bytes; + +} MSR_REGISTER; +#pragma pack() + +#ifndef BIT63 +#define BIT0 0x0001 +#define BIT1 0x0002 +#define BIT2 0x0004 +#define BIT3 0x0008 +#define BIT4 0x0010 +#define BIT5 0x0020 +#define BIT6 0x0040 +#define BIT7 0x0080 +#define BIT8 0x0100 +#define BIT9 0x0200 +#define BIT10 0x0400 +#define BIT11 0x0800 +#define BIT12 0x1000 +#define BIT13 0x2000 +#define BIT14 0x4000 +#define BIT15 0x8000 +#define BIT16 0x00010000 +#define BIT17 0x00020000 +#define BIT18 0x00040000 +#define BIT19 0x00080000 +#define BIT20 0x00100000 +#define BIT21 0x00200000 +#define BIT22 0x00400000 +#define BIT23 0x00800000 +#define BIT24 0x01000000 +#define BIT25 0x02000000 +#define BIT26 0x04000000 +#define BIT27 0x08000000 +#define BIT28 0x10000000 +#define BIT29 0x20000000 +#define BIT30 0x40000000 +#define BIT31 0x80000000 +#define BIT32 0x100000000 +#define BIT33 0x200000000 +#define BIT34 0x400000000 +#define BIT35 0x800000000 +#define BIT36 0x1000000000 +#define BIT37 0x2000000000 +#define BIT38 0x4000000000 +#define BIT39 0x8000000000 +#define BIT40 0x10000000000 +#define BIT41 0x20000000000 +#define BIT42 0x40000000000 +#define BIT43 0x80000000000 +#define BIT44 0x100000000000 +#define BIT45 0x200000000000 +#define BIT46 0x400000000000 +#define BIT47 0x800000000000 +#define BIT48 0x1000000000000 +#define BIT49 0x2000000000000 +#define BIT50 0x4000000000000 +#define BIT51 0x8000000000000 +#define BIT52 0x10000000000000 +#define BIT53 0x20000000000000 +#define BIT54 0x40000000000000 +#define BIT55 0x80000000000000 +#define BIT56 0x100000000000000 +#define BIT57 0x200000000000000 +#define BIT58 0x400000000000000 +#define BIT59 0x800000000000000 +#define BIT60 0x1000000000000000 +#define BIT61 0x2000000000000000 +#define BIT62 0x4000000000000000 +#define BIT63 0x8000000000000000 +#endif + +#define MmPciExpressAddress(Segment, Bus, Device, Function, Register) \ + ( (UINTN) (PciRead32 (PCI_LIB_ADDRESS (0,0,0,0x60)) & 0xFC000000) + \ + (UINTN) (Bus << 20) + \ + (UINTN) (Device << 15) + \ + (UINTN) (Function << 12) + \ + (UINTN) (Register) \ + ) + +EFI_STATUS +InitializeCppc ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ); + +VOID +LoadAcpiTables( + VOID + ); + +VOID +LoadAcpiTablesPcct( + VOID + ); + +VOID +LoadAcpiTablesCpc( + VOID + ); + +EFI_STATUS +LocateSupportProtocol ( + IN EFI_GUID *Protocol, + OUT VOID **Instance, + IN BOOLEAN Type + ); + +#endif |