Upload BSD-licensed Vlv2TbltDevicePkg and Vlv2DeviceRefCodePkg to
https://svn.code.sf.net/p/edk2/code/trunk/edk2/, which are for MinnowBoard MAX open source project. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: David Wei <david.wei@intel.com> Reviewed-by: Mike Wu <mike.wu@intel.com> Reviewed-by: Hot Tian <hot.tian@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16599 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
David Wei
zwei4
228
Vlv2TbltDevicePkg/PlatformDxe/BoardId.c
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228
Vlv2TbltDevicePkg/PlatformDxe/BoardId.c
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/** @file
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Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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BoardId.c
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Abstract:
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Initialization for the board ID.
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This code should be common across a chipset family of products.
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--*/
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#include "PchRegs.h"
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#include "PlatformDxe.h"
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#include <Guid/IdccData.h>
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#include <Guid/EfiVpdData.h>
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#include <Protocol/DataHub.h>
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extern EFI_GUID mPlatformDriverGuid;
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//
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// Global module data
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//
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UINT32 mBoardId;
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UINT8 mBoardIdIndex;
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EFI_BOARD_FEATURES mBoardFeatures;
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UINT16 mSubsystemDeviceId;
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UINT16 mSubsystemAudioDeviceId;
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CHAR8 BoardAaNumber[7];
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BOOLEAN mFoundAANum;
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/**
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Write the boardid variable if it does not already exist.
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**/
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VOID
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InitializeBoardId (
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)
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{
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UINT32 BoardIdBufferSize;
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EFI_IDCC_BOARD_FORM_FACTOR IdccBoardFormFactor;
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EFI_DATA_HUB_PROTOCOL *DataHub;
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EFI_STATUS Status;
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DMI_DATA DmiDataVariable;
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UINTN Size;
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#if defined(DUPLICATE_AA_NO_BASE_ADDR)
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CHAR8 DuplicateAaNoAscii[sizeof(DmiDataVariable.BaseBoardVersion)];
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UINTN iter;
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#endif
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#if defined(GPIO_BOARD_ID_SUPPORT) && GPIO_BOARD_ID_SUPPORT != 0
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UINT8 Data8;
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#endif
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//
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// Update data from the updatable DMI data area
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//
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Size = sizeof (DMI_DATA);
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SetMem(&DmiDataVariable, Size, 0xFF);
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Status = gRT->GetVariable (
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DMI_DATA_NAME,
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&gDmiDataGuid,
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NULL,
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&Size,
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&DmiDataVariable
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);
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#if defined(DUPLICATE_AA_NO_BASE_ADDR)
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//
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// Get AA# from flash descriptor region
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//
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EfiSetMem(DuplicateAaNoAscii, sizeof(DuplicateAaNoAscii), 0xFF);
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FlashRead((UINT8 *)(UINTN)DUPLICATE_AA_NO_BASE_ADDR,
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(UINT8 *)DuplicateAaNoAscii,
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sizeof(DuplicateAaNoAscii));
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//
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// Validate AA# read from VPD
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//
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for (iter = 0; iter < sizeof(DuplicateAaNoAscii); iter++) {
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if ((DuplicateAaNoAscii[iter] != 0xFF) &&
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(DuplicateAaNoAscii[iter] != DmiDataVariable.BaseBoardVersion[iter])) {
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DmiDataVariable.BaseBoardVersion[iter] = DuplicateAaNoAscii[iter];
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}
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}
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Status = EFI_SUCCESS;
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#endif
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mFoundAANum = FALSE;
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//
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// No variable...no copy
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//
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if (EFI_ERROR (Status)) {
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mBoardIdIndex = 0; // If we can't find the BoardId in the table, use the first entry
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} else {
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//
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// This is the correct method of checking for AA#.
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//
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CopyMem(&BoardAaNumber, ((((UINT8*)&DmiDataVariable.BaseBoardVersion)+2)), 6);
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BoardAaNumber[6] = 0;
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for (mBoardIdIndex = 0; mBoardIdIndex < mBoardIdDecodeTableSize; mBoardIdIndex++) {
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if (AsciiStrnCmp(mBoardIdDecodeTable[mBoardIdIndex].AaNumber, BoardAaNumber, 6) == 0) {
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mFoundAANum = TRUE;
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break;
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}
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}
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if(!mFoundAANum) {
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//
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// Add check for AA#'s that is programmed without the AA as leading chars.
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//
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CopyMem(&BoardAaNumber, (((UINT8*)&DmiDataVariable.BaseBoardVersion)), 6);
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BoardAaNumber[6] = 0;
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for (mBoardIdIndex = 0; mBoardIdIndex < mBoardIdDecodeTableSize; mBoardIdIndex++) {
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if (AsciiStrnCmp(mBoardIdDecodeTable[mBoardIdIndex].AaNumber, BoardAaNumber, 6) == 0) {
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mFoundAANum = TRUE;
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break;
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}
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}
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}
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}
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#if defined(GPIO_BOARD_ID_SUPPORT) && GPIO_BOARD_ID_SUPPORT != 0
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//
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// If we can't find the BoardAA# in the table, find BoardId
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//
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if (mFoundAANum != TRUE) {
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//
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// BoardID BIT Location
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// 0 GPIO33 (ICH)
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// 1 GPIO34 (ICH)
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//
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Data8 = IoRead8(GPIO_BASE_ADDRESS + R_PCH_GPIO_SC_LVL2);
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//
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// BoardId[0]
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//
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mBoardId = (UINT32)((Data8 >> 1) & BIT0);
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//
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// BoardId[1]
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//
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mBoardId |= (UINT32)((Data8 >> 1) & BIT1);
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for (mBoardIdIndex = 0; mBoardIdIndex < mBoardIdDecodeTableSize; mBoardIdIndex++) {
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if (mBoardIdDecodeTable[mBoardIdIndex].BoardId == mBoardId) {
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break;
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}
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}
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#endif
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if (mBoardIdIndex == mBoardIdDecodeTableSize) {
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mBoardIdIndex = 0; // If we can't find the BoardId in the table, use the first entry
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}
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#if defined(GPIO_BOARD_ID_SUPPORT) && GPIO_BOARD_ID_SUPPORT != 0
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}
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#endif
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mBoardFeatures = mBoardIdDecodeTable[mBoardIdIndex].Features;
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mSubsystemDeviceId = mBoardIdDecodeTable[mBoardIdIndex].SubsystemDeviceId;
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mSubsystemAudioDeviceId = mBoardIdDecodeTable[mBoardIdIndex].AudioSubsystemDeviceId;
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//
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// Set the BoardFeatures variable
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//
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BoardIdBufferSize = sizeof (mBoardFeatures);
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gRT->SetVariable (
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BOARD_FEATURES_NAME,
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&gEfiBoardFeaturesGuid,
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EFI_VARIABLE_NON_VOLATILE |
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EFI_VARIABLE_BOOTSERVICE_ACCESS |
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EFI_VARIABLE_RUNTIME_ACCESS,
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BoardIdBufferSize,
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&mBoardFeatures
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);
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//
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// Get the Data Hub protocol
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//
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Status = gBS->LocateProtocol (
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&gEfiDataHubProtocolGuid,
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NULL,
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(VOID **) &DataHub
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);
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if (!(EFI_ERROR(Status))) {
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//
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// Fill out data
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//
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IdccBoardFormFactor.IdccHeader.Type = EFI_IDCC_BOARD_FORM_FACTOR_TYPE;
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IdccBoardFormFactor.IdccHeader.RecordLength = sizeof(EFI_IDCC_BOARD_FORM_FACTOR);
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if ((mBoardFeatures & B_BOARD_FEATURES_FORM_FACTOR_ATX) || (mBoardFeatures & B_BOARD_FEATURES_FORM_FACTOR_MICRO_ATX)) {
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IdccBoardFormFactor.BoardFormFactor = ATX_FORM_FACTOR; // ATX
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} else {
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IdccBoardFormFactor.BoardFormFactor = BTX_FORM_FACTOR; // BTX
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}
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//
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// Publish the Board Form Factor value for IDCC
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//
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Status = DataHub->LogData (
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DataHub,
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