| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * mfspr.c |
| * |
| * Feature enable online spare |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: (Mem/Feat/Olspare) |
| * @e \$Revision: 44324 $ @e \$Date: 2010-12-22 02:16:51 -0700 (Wed, 22 Dec 2010) $ |
| * |
| **/ |
| /***************************************************************************** |
| * |
| * Copyright (C) 2012 Advanced Micro Devices, Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * * Neither the name of Advanced Micro Devices, Inc. nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * *************************************************************************** |
| * |
| */ |
| |
| /* |
| *---------------------------------------------------------------------------- |
| * MODULES USED |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| |
| |
| #include "AGESA.h" |
| #include "mm.h" |
| #include "mn.h" |
| #include "mfspr.h" |
| #include "Ids.h" |
| #include "amdlib.h" |
| #include "Filecode.h" |
| #include "GeneralServices.h" |
| CODE_GROUP (G2_PEI) |
| RDATA_GROUP (G2_PEI) |
| |
| #define FILECODE PROC_MEM_FEAT_OLSPARE_MFSPR_FILECODE |
| /*---------------------------------------------------------------------------- |
| * DEFINITIONS AND MACROS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------- |
| * TYPEDEFS AND STRUCTURES |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------- |
| * PROTOTYPES OF LOCAL FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------- |
| * EXPORTED FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * Enable online spare on current node if it is requested. |
| * |
| * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| * |
| * @return TRUE - This feature is enabled. |
| * @return FALSE - This feature is not enabled. |
| */ |
| |
| BOOLEAN |
| MemFOnlineSpare ( |
| IN OUT MEM_NB_BLOCK *NBPtr |
| ) |
| { |
| UINT8 Dct; |
| UINT8 q; |
| UINT8 Value8; |
| BOOLEAN Flag; |
| BOOLEAN OnlineSprEnabled[MAX_CHANNELS_PER_SOCKET]; |
| |
| MEM_PARAMETER_STRUCT *RefPtr; |
| DIE_STRUCT *MCTPtr; |
| |
| ASSERT (NBPtr != NULL); |
| |
| RefPtr = NBPtr->RefPtr; |
| Flag = FALSE; |
| if (RefPtr->EnableOnLineSpareCtl != 0) { |
| RefPtr->GStatus[GsbEnDIMMSpareNW] = TRUE; |
| MCTPtr = NBPtr->MCTPtr; |
| |
| // Check if online spare can be enabled on current node |
| for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { |
| ASSERT (Dct < sizeof (OnlineSprEnabled)); |
| NBPtr->SwitchDCT (NBPtr, Dct); |
| OnlineSprEnabled[Dct] = FALSE; |
| if ((MCTPtr->GangedMode == 0) || (MCTPtr->Dct == 0)) { |
| if (NBPtr->DCTPtr->Timings.DctMemSize != 0) { |
| // Make sure at least two chip-selects are available |
| Value8 = LibAmdBitScanReverse (NBPtr->DCTPtr->Timings.CsEnabled); |
| if (Value8 > LibAmdBitScanForward (NBPtr->DCTPtr->Timings.CsEnabled)) { |
| OnlineSprEnabled[Dct] = TRUE; |
| Flag = TRUE; |
| } else { |
| PutEventLog (AGESA_ERROR, MEM_ERROR_DIMM_SPARING_NOT_ENABLED, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader); |
| MCTPtr->ErrStatus[EsbSpareDis] = TRUE; |
| } |
| } |
| } |
| } |
| |
| // If we don't have spared rank on any DCT, we don't run the rest part of the code. |
| if (!Flag) { |
| return FALSE; |
| } |
| |
| MCTPtr->NodeMemSize = 0; |
| for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { |
| NBPtr->SwitchDCT (NBPtr, Dct); |
| if (OnlineSprEnabled[Dct]) { |
| // Only run StitchMemory if we need to set a spare rank. |
| NBPtr->DCTPtr->Timings.DctMemSize = 0; |
| for (q = 0; q < MAX_CS_PER_CHANNEL; q++) { |
| NBPtr->SetBitField (NBPtr, BFCSBaseAddr0Reg + q, 0); |
| } |
| Flag = NBPtr->StitchMemory (NBPtr); |
| ASSERT (Flag == TRUE); |
| } else if ((MCTPtr->GangedMode == 0) && (NBPtr->DCTPtr->Timings.DctMemSize != 0)) { |
| // Otherwise, need to adjust the memory size on the node. |
| MCTPtr->NodeMemSize += NBPtr->DCTPtr->Timings.DctMemSize; |
| MCTPtr->NodeSysLimit = MCTPtr->NodeMemSize - 1; |
| } |
| } |
| return TRUE; |
| } else { |
| return FALSE; |
| } |
| } |