| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * AMD Integrated Debug library Routines |
| * |
| * Contains AMD AGESA debug macros and library functions |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: IDS |
| * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ |
| */ |
| /***************************************************************************** |
| * Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. |
| * |
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| * |
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| ****************************************************************************** |
| */ |
| /*---------------------------------------------------------------------------------------- |
| * M O D U L E S U S E D |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| #include "AGESA.h" |
| #include "Ids.h" |
| #include "IdsLib.h" |
| #include "amdlib.h" |
| #include "heapManager.h" |
| #include "IdsNvToCmos.h" |
| #include "Filecode.h" |
| CODE_GROUP (G1_PEICC) |
| RDATA_GROUP (G1_PEICC) |
| |
| #define FILECODE PROC_IDS_CONTROL_IDSNVTOCMOS_FILECODE |
| |
| /*---------------------------------------------------------------------------- |
| * DEFINITIONS AND MACROS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------- |
| * EXPORTED FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| extern IDS_NV_TO_CMOS gIdsNVToCmos[]; |
| |
| /** |
| * |
| * Read CMOS |
| * |
| * @param[in] IndexPort Index port of access CMOS |
| * @param[in] DataPort Data port of access CMOS |
| * @param[in] Index Index of CMOS |
| * @param[in,out] Value Point to Value |
| * @param[in,out] StdHeader The Pointer of Standard Header. |
| * |
| **/ |
| VOID |
| IdsReadCmos ( |
| IN UINT16 IndexPort, |
| IN UINT16 DataPort, |
| IN UINT16 Index, |
| IN OUT UINT8 *Value, |
| IN OUT AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| LibAmdIoWrite (AccessWidth8, IndexPort, &Index, StdHeader); |
| LibAmdIoRead (AccessWidth8, DataPort, Value, StdHeader); |
| } |
| /** |
| * |
| * Write CMOS |
| * |
| * @param[in] IndexPort Index port of access CMOS |
| * @param[in] DataPort Data port of access CMOS |
| * @param[in] Index Index of CMOS |
| * @param[in,out] Value Point to Value |
| * @param[in,out] StdHeader The Pointer of Standard Header. |
| * |
| **/ |
| VOID |
| IdsWriteCmos ( |
| IN UINT16 IndexPort, |
| IN UINT16 DataPort, |
| IN UINT16 Index, |
| IN OUT UINT8 *Value, |
| IN OUT AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| LibAmdIoWrite (AccessWidth8, IndexPort, &Index, StdHeader); |
| LibAmdIoWrite (AccessWidth8, DataPort, Value, StdHeader); |
| } |
| /** |
| * |
| * Get IDS CMOS save region in the AGESA Heap. |
| * |
| * @param[in,out] IdsCmosRegion The Pointer of IDS CMOS save address in heap. |
| * @param[in,out] StdHeader The Pointer of Standard Header. |
| * |
| * @retval AGESA_SUCCESS Success to get the pointer of NV Table. |
| * @retval AGESA_ERROR Fail to get the pointer of NV Table. |
| **/ |
| AGESA_STATUS |
| AmdGetIdsCmosSaveRegion ( |
| IN OUT VOID **IdsCmosRegion, |
| IN OUT AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| AGESA_STATUS status; |
| LOCATE_HEAP_PTR LocateHeapStructPtr; |
| ALLOCATE_HEAP_PARAMS AllocHeapParams; |
| |
| LocateHeapStructPtr.BufferHandle = IDS_NV_TO_CMOS_HANDLE; |
| LocateHeapStructPtr.BufferPtr = NULL; |
| status = HeapLocateBuffer (&LocateHeapStructPtr, StdHeader); |
| if (status == AGESA_SUCCESS) { |
| *IdsCmosRegion = LocateHeapStructPtr.BufferPtr; |
| } else { |
| //Allocated the heap when can't located |
| AllocHeapParams.RequestedBufferSize = IDS_CMOS_REGION_END - IDS_CMOS_REGION_START + 1; |
| AllocHeapParams.BufferHandle = IDS_NV_TO_CMOS_HANDLE; |
| AllocHeapParams.Persist = HEAP_LOCAL_CACHE; |
| status = HeapAllocateBuffer (&AllocHeapParams, (AMD_CONFIG_PARAMS *) StdHeader); |
| if (status == AGESA_SUCCESS) { |
| *IdsCmosRegion = AllocHeapParams.BufferPtr; |
| } |
| } |
| return status; |
| } |
| |
| |
| /** |
| * IDS Backend Function for save BSP's NV heap to CMOS |
| * |
| * |
| * @param[in,out] StdHeader The Pointer of AMD_CONFIG_PARAMS. |
| * |
| * @retval IDS_SUCCESS Backend function is called successfully. |
| * @retval IDS_UNSUPPORTED No Backend function is found. |
| * |
| **/ |
| IDS_STATUS |
| IdsCheckCmosValid ( |
| IN OUT AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| UINT8 CmosIndex; |
| UINT8 TmpValue; |
| UINT8 Len; |
| UINT8 Sum; |
| CmosIndex = IDS_CMOS_REGION_SIGNATURE_OFFSET; |
| //Validate the Signature |
| IdsReadCmos (IDS_CMOS_INDEX_PORT, IDS_CMOS_DATA_PORT, CmosIndex, &TmpValue, StdHeader); |
| if (TmpValue != 'N') { |
| return IDS_UNSUPPORTED; |
| } |
| |
| CmosIndex++; |
| IdsReadCmos (IDS_CMOS_INDEX_PORT, IDS_CMOS_DATA_PORT, CmosIndex, &TmpValue, StdHeader); |
| if (TmpValue != 'V') { |
| return IDS_UNSUPPORTED; |
| } |
| |
| CmosIndex = IDS_CMOS_REGION_LENGTH_OFFSET; |
| IdsReadCmos (IDS_CMOS_INDEX_PORT, IDS_CMOS_DATA_PORT, CmosIndex, &Len, StdHeader); |
| if (Len > (IDS_CMOS_REGION_END - IDS_CMOS_REGION_START - IDS_NV_TO_CMOS_HEADER_SIZE + 1)) { |
| return IDS_UNSUPPORTED; |
| } |
| Sum = 0; |
| CmosIndex = IDS_CMOS_REGION_CHECKSUM_OFFSET; |
| for (; CmosIndex < IDS_CMOS_REGION_DATA_OFFSET + Len; CmosIndex++) { |
| IdsReadCmos (IDS_CMOS_INDEX_PORT, IDS_CMOS_DATA_PORT, CmosIndex, &TmpValue, StdHeader); |
| Sum = (UINT8) (Sum + TmpValue); |
| } |
| if (Sum != 0) { |
| return IDS_UNSUPPORTED; |
| } |
| return IDS_SUCCESS; |
| } |
| |
| /** |
| * |
| * AP get NV from CMOS |
| * |
| * If Ap Can't get Nv Data from Callout, Try to Create NV heap via the |
| * CMOS data area save by BSP previous |
| |
| * |
| * @param[in,out] StdHeader The Pointer of IDS Initial Parameter |
| * |
| * @retval AGESA_SUCCESS Success to get the NV from CMOS |
| * @retval AGESA_ERROR Fail to get |
| * |
| **/ |
| AGESA_STATUS |
| AmdIdsApGetNvFromCmos ( |
| IN OUT AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| AGESA_STATUS status; |
| ALLOCATE_HEAP_PARAMS AllocHeapParams; |
| IDS_CONTROL_STRUCT *IdsCtrlPtr; |
| UINT8 CmosIndex; |
| UINT8 TmpValue; |
| UINT8 TmpU16Value; |
| UINT8 k; |
| UINT16 i; |
| IDS_NV_ITEM *NvPtr; |
| UINT8 Len; |
| status = AGESA_ERROR; |
| if (IdsCheckCmosValid (StdHeader) == IDS_SUCCESS) { |
| AllocHeapParams.RequestedBufferSize = sizeof (IDS_CONTROL_STRUCT); |
| AllocHeapParams.RequestedBufferSize += (IDS_CMOS_REGION_END - IDS_CMOS_REGION_START - IDS_NV_TO_CMOS_HEADER_SIZE + 2) * sizeof (IDS_NV_ITEM) ; |
| AllocHeapParams.BufferHandle = IDS_CONTROL_HANDLE; |
| AllocHeapParams.Persist = HEAP_LOCAL_CACHE; |
| |
| // |
| // Allocate data buffer in heap |
| // |
| status = HeapAllocateBuffer (&AllocHeapParams, (AMD_CONFIG_PARAMS *) StdHeader); |
| if (status == AGESA_SUCCESS) { |
| IdsCtrlPtr = (IDS_CONTROL_STRUCT *) AllocHeapParams.BufferPtr; |
| IdsCtrlPtr->IgnoreIdsDefault = TRUE; |
| IdsCtrlPtr->IdsHeapMemSize = AllocHeapParams.RequestedBufferSize; |
| IdsCtrlPtr->IdsNvTableOffset = sizeof (IDS_CONTROL_STRUCT); |
| NvPtr = (IDS_NV_ITEM *) (AllocHeapParams.BufferPtr + IdsCtrlPtr->IdsNvTableOffset); |
| i = 0; |
| CmosIndex = IDS_CMOS_REGION_LENGTH_OFFSET; |
| IdsReadCmos (IDS_CMOS_INDEX_PORT, IDS_CMOS_DATA_PORT, CmosIndex, &Len, StdHeader); |
| CmosIndex = IDS_CMOS_REGION_DATA_OFFSET; |
| while ((gIdsNVToCmos[i].Length != IDS_NV_TO_CMOS_LEN_END) && |
| (gIdsNVToCmos[i].IDS_NV_ID != IDS_NV_TO_CMOS_ID_END) && |
| (CmosIndex <= IDS_CMOS_REGION_END) && |
| (Len-- > 0)) { |
| if (gIdsNVToCmos[i].Length == IDS_NV_TO_CMOS_LEN_BYTE || gIdsNVToCmos[i].Length == IDS_NV_TO_CMOS_LEN_WORD) { |
| TmpU16Value = 0; |
| for (k = 0; k < gIdsNVToCmos[i].Length; k++, CmosIndex++) { |
| IdsReadCmos (IDS_CMOS_INDEX_PORT, IDS_CMOS_DATA_PORT, CmosIndex, &TmpValue, StdHeader); |
| TmpU16Value |= (UINT16)TmpValue << (k * 8); |
| } |
| if ((TmpU16Value != IDS_NV_TO_CMOS_BYTE_IGNORED && (gIdsNVToCmos[i].Length == IDS_NV_TO_CMOS_LEN_BYTE)) || |
| (TmpU16Value != IDS_NV_TO_CMOS_WORD_IGNORED && (gIdsNVToCmos[i].Length == IDS_NV_TO_CMOS_LEN_WORD))) { |
| NvPtr->IdsNvId = gIdsNVToCmos[i].IDS_NV_ID; |
| NvPtr->IdsNvValue = TmpU16Value; |
| NvPtr ++; |
| } |
| } |
| i++; |
| } |
| NvPtr->IdsNvId = AGESA_IDS_NV_END; |
| } |
| } |
| return status; |
| } |
| |
| /** |
| * IDS Backend Function for Restore CMOS |
| * |
| * |
| * @param[in,out] DataPtr NULL |
| * @param[in,out] StdHeader The Pointer of AMD_CONFIG_PARAMS. |
| * @param[in] IdsNvPtr The Pointer of NV Table. |
| * |
| * @retval IDS_SUCCESS Backend function is called successfully. |
| * @retval IDS_UNSUPPORTED No Backend function is found. |
| * |
| **/ |
| IDS_STATUS |
| IdsSubRestoreCmos ( |
| IN OUT VOID *DataPtr, |
| IN OUT AMD_CONFIG_PARAMS *StdHeader, |
| IN IDS_NV_ITEM *IdsNvPtr |
| ) |
| { |
| UINT8 *PCmosSave; |
| UINT8 CmosIndex; |
| |
| //Save CMOS to BSP heap |
| if (AmdGetIdsCmosSaveRegion ((VOID **) &PCmosSave, StdHeader) == AGESA_SUCCESS) { |
| for (CmosIndex = IDS_CMOS_REGION_START; CmosIndex <= IDS_CMOS_REGION_END; CmosIndex++, PCmosSave++) { |
| IdsWriteCmos (IDS_CMOS_INDEX_PORT, IDS_CMOS_DATA_PORT, CmosIndex, PCmosSave, StdHeader); |
| } |
| } |
| return IDS_SUCCESS; |
| } |
| /** |
| * IDS Backend Function for save BSP's NV heap to CMOS |
| * |
| * |
| * @param[in,out] DataPtr NULL |
| * @param[in,out] StdHeader The Pointer of AMD_CONFIG_PARAMS. |
| * @param[in] IdsNvPtr The Pointer of NV Table. |
| * |
| * @retval IDS_SUCCESS Backend function is called successfully. |
| * @retval IDS_UNSUPPORTED No Backend function is found. |
| * |
| **/ |
| IDS_STATUS |
| IdsSubSaveBspNvHeapToCmos ( |
| IN OUT VOID *DataPtr, |
| IN OUT AMD_CONFIG_PARAMS *StdHeader, |
| IN IDS_NV_ITEM *IdsNvPtr |
| ) |
| { |
| UINT8 i; |
| UINT8 k; |
| UINT8 CmosIndex; |
| UINT8 TmpValue; |
| UINT8 Sum; |
| UINT8 Len; |
| UINT8 *PCmosSave; |
| IDS_STATUS IdsNvValue; |
| |
| //Save CMOS to BSP heap |
| if (AmdGetIdsCmosSaveRegion ((VOID **) &PCmosSave, StdHeader) == AGESA_SUCCESS) { |
| for (CmosIndex = IDS_CMOS_REGION_START; CmosIndex <= IDS_CMOS_REGION_END; CmosIndex++) { |
| IdsReadCmos (IDS_CMOS_INDEX_PORT, IDS_CMOS_DATA_PORT, CmosIndex, &TmpValue, StdHeader); |
| *(PCmosSave++) = TmpValue; |
| } |
| //The CMOS Region is saved to heap,Now we can save BSP NV to CMOS |
| i = 0; |
| CmosIndex = IDS_CMOS_REGION_SIGNATURE_OFFSET; |
| //CMOS Map |
| // ********************************************************************************** |
| // Field | Offset | Description |
| // ********************************************************************************** |
| // Signature | 0 | 'NV' specify the IDS Cmos save region |
| // ********************************************************************************** |
| // Length | 2 | Actual Length of all save NV, may less than platform |
| // | | define |
| // ********************************************************************************** |
| // CheckSum | 3 | CheckSum of all NV fields exclue Signature & Length |
| // ********************************************************************************** |
| // NVSaveRegion | 4 | Nv Save Region |
| // ********************************************************************************** |
| // Set Signature 'NV'; |
| TmpValue = 'N'; |
| IdsWriteCmos (IDS_CMOS_INDEX_PORT, IDS_CMOS_DATA_PORT, CmosIndex, &TmpValue, StdHeader); |
| CmosIndex++; |
| TmpValue = 'V'; |
| IdsWriteCmos (IDS_CMOS_INDEX_PORT, IDS_CMOS_DATA_PORT, CmosIndex, &TmpValue, StdHeader); |
| |
| CmosIndex = IDS_CMOS_REGION_DATA_OFFSET; |
| Sum = 0; |
| Len = 0; |
| while ((gIdsNVToCmos[i].Length != IDS_NV_TO_CMOS_LEN_END) && |
| (gIdsNVToCmos[i].IDS_NV_ID != IDS_NV_TO_CMOS_ID_END) && |
| (CmosIndex <= IDS_CMOS_REGION_END)) { |
| //Get NV Value length |
| if (gIdsNVToCmos[i].Length == IDS_NV_TO_CMOS_LEN_BYTE || gIdsNVToCmos[i].Length == IDS_NV_TO_CMOS_LEN_WORD) { |
| IdsNvValue = AmdIdsNvReader (gIdsNVToCmos[i].IDS_NV_ID, IdsNvPtr, StdHeader); |
| for (k = 0; k < gIdsNVToCmos[i].Length; k++) { |
| TmpValue = (UINT8) ((IdsNvValue >> (8 * k)) & 0xFF); |
| Sum = (UINT8) (Sum + TmpValue); |
| Len++; |
| IdsWriteCmos (IDS_CMOS_INDEX_PORT, IDS_CMOS_DATA_PORT, CmosIndex, &TmpValue, StdHeader); |
| CmosIndex++; |
| } |
| } else { |
| ASSERT (FALSE); |
| } |
| i++; |
| } |
| CmosIndex = IDS_CMOS_REGION_LENGTH_OFFSET; |
| IdsWriteCmos (IDS_CMOS_INDEX_PORT, IDS_CMOS_DATA_PORT, CmosIndex, &Len, StdHeader); |
| CmosIndex = IDS_CMOS_REGION_CHECKSUM_OFFSET; |
| TmpValue = (UINT8) (0x100 - Sum); |
| IdsWriteCmos (IDS_CMOS_INDEX_PORT, IDS_CMOS_DATA_PORT, CmosIndex, &TmpValue, StdHeader); |
| } |
| return IDS_SUCCESS; |
| } |
| |
| CONST IDS_FAMILY_FEAT_STRUCT ROMDATA IdsFeatNvToCmosSaveBlock = |
| { |
| IDS_FEAT_NV_TO_CMOS, |
| IDS_BSP_ONLY, |
| IDS_CPU_Early_Override, |
| IDS_FAMILY_ALL, |
| IdsSubSaveBspNvHeapToCmos |
| }; |
| |
| CONST IDS_FAMILY_FEAT_STRUCT ROMDATA IdsFeatNvToCmosRestoreBlock = |
| { |
| IDS_FEAT_NV_TO_CMOS, |
| IDS_BSP_ONLY, |
| IDS_BEFORE_AP_EARLY_HALT, |
| IDS_FAMILY_ALL, |
| IdsSubRestoreCmos |
| }; |
| |
| |
