+++ /dev/null
-/** @file\r
-\r
- Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>\r
- \r\r
- SPDX-License-Identifier: BSD-2-Clause-Patent\r
-\r
- \r\r
-\r
-Module Name:\r
-\r
-\r
- BoardId.c\r
-\r
-Abstract:\r
-\r
- Initialization for the board ID.\r
-\r
- This code should be common across a chipset family of products.\r
-\r
-\r
-\r
---*/\r
-\r
-#include "PchRegs.h"\r
-#include "PlatformDxe.h"\r
-#include <Guid/IdccData.h>\r
-#include <Guid/EfiVpdData.h>\r
-#include <Protocol/DataHub.h>\r
-\r
-\r
-extern EFI_GUID mPlatformDriverGuid;\r
-\r
-//\r
-// Global module data\r
-//\r
-UINT32 mBoardId;\r
-UINT8 mBoardIdIndex;\r
-EFI_BOARD_FEATURES mBoardFeatures;\r
-UINT16 mSubsystemDeviceId;\r
-UINT16 mSubsystemAudioDeviceId;\r
-CHAR8 BoardAaNumber[7];\r
-BOOLEAN mFoundAANum;\r
-\r
-/**\r
-\r
- Write the boardid variable if it does not already exist.\r
-\r
-**/\r
-VOID\r
-InitializeBoardId (\r
- )\r
-{\r
-\r
- UINT32 BoardIdBufferSize;\r
- EFI_IDCC_BOARD_FORM_FACTOR IdccBoardFormFactor;\r
- EFI_DATA_HUB_PROTOCOL *DataHub;\r
- EFI_STATUS Status;\r
- DMI_DATA DmiDataVariable;\r
- UINTN Size;\r
-#if defined(DUPLICATE_AA_NO_BASE_ADDR)\r
- CHAR8 DuplicateAaNoAscii[sizeof(DmiDataVariable.BaseBoardVersion)];\r
- UINTN iter;\r
-#endif\r
-#if defined(GPIO_BOARD_ID_SUPPORT) && GPIO_BOARD_ID_SUPPORT != 0\r
- UINT8 Data8;\r
-#endif\r
-\r
- //\r
- // Update data from the updatable DMI data area\r
- //\r
- Size = sizeof (DMI_DATA);\r
- SetMem(&DmiDataVariable, Size, 0xFF);\r
- Status = gRT->GetVariable (\r
- DMI_DATA_NAME,\r
- &gDmiDataGuid,\r
- NULL,\r
- &Size,\r
- &DmiDataVariable\r
- );\r
-\r
-#if defined(DUPLICATE_AA_NO_BASE_ADDR)\r
- //\r
- // Get AA# from flash descriptor region\r
- //\r
- EfiSetMem(DuplicateAaNoAscii, sizeof(DuplicateAaNoAscii), 0xFF);\r
- FlashRead((UINT8 *)(UINTN)DUPLICATE_AA_NO_BASE_ADDR,\r
- (UINT8 *)DuplicateAaNoAscii,\r
- sizeof(DuplicateAaNoAscii));\r
-\r
- //\r
- // Validate AA# read from VPD\r
- //\r
- for (iter = 0; iter < sizeof(DuplicateAaNoAscii); iter++) {\r
- if ((DuplicateAaNoAscii[iter] != 0xFF) &&\r
- (DuplicateAaNoAscii[iter] != DmiDataVariable.BaseBoardVersion[iter])) {\r
- DmiDataVariable.BaseBoardVersion[iter] = DuplicateAaNoAscii[iter];\r
- }\r
- }\r
-\r
- Status = EFI_SUCCESS;\r
-#endif\r
-\r
- mFoundAANum = FALSE;\r
-\r
- //\r
- // No variable...no copy\r
- //\r
- if (EFI_ERROR (Status)) {\r
- mBoardIdIndex = 0; // If we can't find the BoardId in the table, use the first entry\r
- } else {\r
- //\r
- // This is the correct method of checking for AA#.\r
- //\r
- CopyMem(&BoardAaNumber, ((((UINT8*)&DmiDataVariable.BaseBoardVersion)+2)), 6);\r
- BoardAaNumber[6] = 0;\r
- for (mBoardIdIndex = 0; mBoardIdIndex < mBoardIdDecodeTableSize; mBoardIdIndex++) {\r
- if (AsciiStrnCmp(mBoardIdDecodeTable[mBoardIdIndex].AaNumber, BoardAaNumber, 6) == 0) {\r
- mFoundAANum = TRUE;\r
- break;\r
- }\r
- }\r
-\r
- if(!mFoundAANum) {\r
- //\r
- // Add check for AA#'s that is programmed without the AA as leading chars.\r
- //\r
- CopyMem(&BoardAaNumber, (((UINT8*)&DmiDataVariable.BaseBoardVersion)), 6);\r
- BoardAaNumber[6] = 0;\r
- for (mBoardIdIndex = 0; mBoardIdIndex < mBoardIdDecodeTableSize; mBoardIdIndex++) {\r
- if (AsciiStrnCmp(mBoardIdDecodeTable[mBoardIdIndex].AaNumber, BoardAaNumber, 6) == 0) {\r
- mFoundAANum = TRUE;\r
- break;\r
- }\r
- }\r
- }\r
- }\r
-\r
-#if defined(GPIO_BOARD_ID_SUPPORT) && GPIO_BOARD_ID_SUPPORT != 0\r
- //\r
- // If we can't find the BoardAA# in the table, find BoardId\r
- //\r
- if (mFoundAANum != TRUE) {\r
- //\r
- // BoardID BIT Location\r
- // 0 GPIO33 (ICH)\r
- // 1 GPIO34 (ICH)\r
- //\r
- Data8 = IoRead8(GPIO_BASE_ADDRESS + R_PCH_GPIO_SC_LVL2);\r
-\r
- //\r
- // BoardId[0]\r
- //\r
- mBoardId = (UINT32)((Data8 >> 1) & BIT0);\r
- //\r
- // BoardId[1]\r
- //\r
- mBoardId |= (UINT32)((Data8 >> 1) & BIT1);\r
-\r
- for (mBoardIdIndex = 0; mBoardIdIndex < mBoardIdDecodeTableSize; mBoardIdIndex++) {\r
- if (mBoardIdDecodeTable[mBoardIdIndex].BoardId == mBoardId) {\r
- break;\r
- }\r
- }\r
-#endif\r
- if (mBoardIdIndex == mBoardIdDecodeTableSize) {\r
- mBoardIdIndex = 0; // If we can't find the BoardId in the table, use the first entry\r
- }\r
-#if defined(GPIO_BOARD_ID_SUPPORT) && GPIO_BOARD_ID_SUPPORT != 0\r
- }\r
-#endif\r
-\r
- mBoardFeatures = mBoardIdDecodeTable[mBoardIdIndex].Features;\r
- mSubsystemDeviceId = mBoardIdDecodeTable[mBoardIdIndex].SubsystemDeviceId;\r
- mSubsystemAudioDeviceId = mBoardIdDecodeTable[mBoardIdIndex].AudioSubsystemDeviceId;\r
-\r
- //\r
- // Set the BoardFeatures variable\r
- //\r
- BoardIdBufferSize = sizeof (mBoardFeatures);\r
- gRT->SetVariable (\r
- BOARD_FEATURES_NAME,\r
- &gEfiBoardFeaturesGuid,\r
- EFI_VARIABLE_NON_VOLATILE |\r
- EFI_VARIABLE_BOOTSERVICE_ACCESS |\r
- EFI_VARIABLE_RUNTIME_ACCESS,\r
- BoardIdBufferSize,\r
- &mBoardFeatures\r
- );\r
-\r
- //\r
- // Get the Data Hub protocol\r
- //\r
- Status = gBS->LocateProtocol (\r
- &gEfiDataHubProtocolGuid,\r
- NULL,\r
- (VOID **) &DataHub\r
- );\r
- if (!(EFI_ERROR(Status))) {\r
- //\r
- // Fill out data\r
- //\r
- IdccBoardFormFactor.IdccHeader.Type = EFI_IDCC_BOARD_FORM_FACTOR_TYPE;\r
- IdccBoardFormFactor.IdccHeader.RecordLength = sizeof(EFI_IDCC_BOARD_FORM_FACTOR);\r
- if ((mBoardFeatures & B_BOARD_FEATURES_FORM_FACTOR_ATX) || (mBoardFeatures & B_BOARD_FEATURES_FORM_FACTOR_MICRO_ATX)) {\r
- IdccBoardFormFactor.BoardFormFactor = ATX_FORM_FACTOR; // ATX\r
- } else {\r
- IdccBoardFormFactor.BoardFormFactor = BTX_FORM_FACTOR; // BTX\r
- }\r
-\r
- //\r
- // Publish the Board Form Factor value for IDCC\r
- //\r
- Status = DataHub->LogData (\r
- DataHub,\r
- &gIdccDataHubGuid,\r
- &mPlatformDriverGuid,\r
- EFI_DATA_RECORD_CLASS_DATA,\r
- &IdccBoardFormFactor,\r
- sizeof(EFI_IDCC_BOARD_FORM_FACTOR)\r
- );\r
- }\r
-}\r
-\r
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