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| author | David Wei <david.wei@intel.com> | 2015-01-12 09:37:20 +0000 |
|---|---|---|
| committer | zwei4 <zwei4@Edk2> | 2015-01-12 09:37:20 +0000 |
| commit | 3cbfba02fef9dae07a041fdbf2e89611d72d6f90 (patch) | |
| tree | 0b3bf0783124d38a191e09736492c0141aa36c15 /Vlv2TbltDevicePkg/PlatformDxe/BoardId.c | |
| parent | 6f785cfcc304c48ec04e542ee429df95e7b51bc5 (diff) | |
| download | edk2-3cbfba02fef9dae07a041fdbf2e89611d72d6f90.tar.gz edk2-3cbfba02fef9dae07a041fdbf2e89611d72d6f90.tar.bz2 edk2-3cbfba02fef9dae07a041fdbf2e89611d72d6f90.zip | |
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
Diffstat (limited to 'Vlv2TbltDevicePkg/PlatformDxe/BoardId.c')
| -rw-r--r-- | Vlv2TbltDevicePkg/PlatformDxe/BoardId.c | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/PlatformDxe/BoardId.c b/Vlv2TbltDevicePkg/PlatformDxe/BoardId.c new file mode 100644 index 0000000000..5b6139b2d6 --- /dev/null +++ b/Vlv2TbltDevicePkg/PlatformDxe/BoardId.c @@ -0,0 +1,228 @@ +/** @file
+
+ Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
+
+ This program and the accompanying materials are licensed and made available under
+ the terms and conditions of the BSD License that 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:
+
+
+ BoardId.c
+
+Abstract:
+
+ Initialization for the board ID.
+
+ This code should be common across a chipset family of products.
+
+
+
+--*/
+
+#include "PchRegs.h"
+#include "PlatformDxe.h"
+#include <Guid/IdccData.h>
+#include <Guid/EfiVpdData.h>
+#include <Protocol/DataHub.h>
+
+
+extern EFI_GUID mPlatformDriverGuid;
+
+//
+// Global module data
+//
+UINT32 mBoardId;
+UINT8 mBoardIdIndex;
+EFI_BOARD_FEATURES mBoardFeatures;
+UINT16 mSubsystemDeviceId;
+UINT16 mSubsystemAudioDeviceId;
+CHAR8 BoardAaNumber[7];
+BOOLEAN mFoundAANum;
+
+/**
+
+ Write the boardid variable if it does not already exist.
+
+**/
+VOID
+InitializeBoardId (
+ )
+{
+
+ UINT32 BoardIdBufferSize;
+ EFI_IDCC_BOARD_FORM_FACTOR IdccBoardFormFactor;
+ EFI_DATA_HUB_PROTOCOL *DataHub;
+ EFI_STATUS Status;
+ DMI_DATA DmiDataVariable;
+ UINTN Size;
+#if defined(DUPLICATE_AA_NO_BASE_ADDR)
+ CHAR8 DuplicateAaNoAscii[sizeof(DmiDataVariable.BaseBoardVersion)];
+ UINTN iter;
+#endif
+#if defined(GPIO_BOARD_ID_SUPPORT) && GPIO_BOARD_ID_SUPPORT != 0
+ UINT8 Data8;
+#endif
+
+ //
+ // Update data from the updatable DMI data area
+ //
+ Size = sizeof (DMI_DATA);
+ SetMem(&DmiDataVariable, Size, 0xFF);
+ Status = gRT->GetVariable (
+ DMI_DATA_NAME,
+ &gDmiDataGuid,
+ NULL,
+ &Size,
+ &DmiDataVariable
+ );
+
+#if defined(DUPLICATE_AA_NO_BASE_ADDR)
+ //
+ // Get AA# from flash descriptor region
+ //
+ EfiSetMem(DuplicateAaNoAscii, sizeof(DuplicateAaNoAscii), 0xFF);
+ FlashRead((UINT8 *)(UINTN)DUPLICATE_AA_NO_BASE_ADDR,
+ (UINT8 *)DuplicateAaNoAscii,
+ sizeof(DuplicateAaNoAscii));
+
+ //
+ // Validate AA# read from VPD
+ //
+ for (iter = 0; iter < sizeof(DuplicateAaNoAscii); iter++) {
+ if ((DuplicateAaNoAscii[iter] != 0xFF) &&
+ (DuplicateAaNoAscii[iter] != DmiDataVariable.BaseBoardVersion[iter])) {
+ DmiDataVariable.BaseBoardVersion[iter] = DuplicateAaNoAscii[iter];
+ }
+ }
+
+ Status = EFI_SUCCESS;
+#endif
+
+ mFoundAANum = FALSE;
+
+ //
+ // No variable...no copy
+ //
+ if (EFI_ERROR (Status)) {
+ mBoardIdIndex = 0; // If we can't find the BoardId in the table, use the first entry
+ } else {
+ //
+ // This is the correct method of checking for AA#.
+ //
+ CopyMem(&BoardAaNumber, ((((UINT8*)&DmiDataVariable.BaseBoardVersion)+2)), 6);
+ BoardAaNumber[6] = 0;
+ for (mBoardIdIndex = 0; mBoardIdIndex < mBoardIdDecodeTableSize; mBoardIdIndex++) {
+ if (AsciiStrnCmp(mBoardIdDecodeTable[mBoardIdIndex].AaNumber, BoardAaNumber, 6) == 0) {
+ mFoundAANum = TRUE;
+ break;
+ }
+ }
+
+ if(!mFoundAANum) {
+ //
+ // Add check for AA#'s that is programmed without the AA as leading chars.
+ //
+ CopyMem(&BoardAaNumber, (((UINT8*)&DmiDataVariable.BaseBoardVersion)), 6);
+ BoardAaNumber[6] = 0;
+ for (mBoardIdIndex = 0; mBoardIdIndex < mBoardIdDecodeTableSize; mBoardIdIndex++) {
+ if (AsciiStrnCmp(mBoardIdDecodeTable[mBoardIdIndex].AaNumber, BoardAaNumber, 6) == 0) {
+ mFoundAANum = TRUE;
+ break;
+ }
+ }
+ }
+ }
+
+#if defined(GPIO_BOARD_ID_SUPPORT) && GPIO_BOARD_ID_SUPPORT != 0
+ //
+ // If we can't find the BoardAA# in the table, find BoardId
+ //
+ if (mFoundAANum != TRUE) {
+ //
+ // BoardID BIT Location
+ // 0 GPIO33 (ICH)
+ // 1 GPIO34 (ICH)
+ //
+ Data8 = IoRead8(GPIO_BASE_ADDRESS + R_PCH_GPIO_SC_LVL2);
+
+ //
+ // BoardId[0]
+ //
+ mBoardId = (UINT32)((Data8 >> 1) & BIT0);
+ //
+ // BoardId[1]
+ //
+ mBoardId |= (UINT32)((Data8 >> 1) & BIT1);
+
+ for (mBoardIdIndex = 0; mBoardIdIndex < mBoardIdDecodeTableSize; mBoardIdIndex++) {
+ if (mBoardIdDecodeTable[mBoardIdIndex].BoardId == mBoardId) {
+ break;
+ }
+ }
+#endif
+ if (mBoardIdIndex == mBoardIdDecodeTableSize) {
+ mBoardIdIndex = 0; // If we can't find the BoardId in the table, use the first entry
+ }
+#if defined(GPIO_BOARD_ID_SUPPORT) && GPIO_BOARD_ID_SUPPORT != 0
+ }
+#endif
+
+ mBoardFeatures = mBoardIdDecodeTable[mBoardIdIndex].Features;
+ mSubsystemDeviceId = mBoardIdDecodeTable[mBoardIdIndex].SubsystemDeviceId;
+ mSubsystemAudioDeviceId = mBoardIdDecodeTable[mBoardIdIndex].AudioSubsystemDeviceId;
+
+ //
+ // Set the BoardFeatures variable
+ //
+ BoardIdBufferSize = sizeof (mBoardFeatures);
+ gRT->SetVariable (
+ BOARD_FEATURES_NAME,
+ &gEfiBoardFeaturesGuid,
+ EFI_VARIABLE_NON_VOLATILE |
+ EFI_VARIABLE_BOOTSERVICE_ACCESS |
+ EFI_VARIABLE_RUNTIME_ACCESS,
+ BoardIdBufferSize,
+ &mBoardFeatures
+ );
+
+ //
+ // Get the Data Hub protocol
+ //
+ Status = gBS->LocateProtocol (
+ &gEfiDataHubProtocolGuid,
+ NULL,
+ (VOID **) &DataHub
+ );
+ if (!(EFI_ERROR(Status))) {
+ //
+ // Fill out data
+ //
+ IdccBoardFormFactor.IdccHeader.Type = EFI_IDCC_BOARD_FORM_FACTOR_TYPE;
+ IdccBoardFormFactor.IdccHeader.RecordLength = sizeof(EFI_IDCC_BOARD_FORM_FACTOR);
+ if ((mBoardFeatures & B_BOARD_FEATURES_FORM_FACTOR_ATX) || (mBoardFeatures & B_BOARD_FEATURES_FORM_FACTOR_MICRO_ATX)) {
+ IdccBoardFormFactor.BoardFormFactor = ATX_FORM_FACTOR; // ATX
+ } else {
+ IdccBoardFormFactor.BoardFormFactor = BTX_FORM_FACTOR; // BTX
+ }
+
+ //
+ // Publish the Board Form Factor value for IDCC
+ //
+ Status = DataHub->LogData (
+ DataHub,
+ &gIdccDataHubGuid,
+ &mPlatformDriverGuid,
+ EFI_DATA_RECORD_CLASS_DATA,
+ &IdccBoardFormFactor,
+ sizeof(EFI_IDCC_BOARD_FORM_FACTOR)
+ );
+ }
+}
+
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