diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/EXCLUDIMM/mfdimmexclud.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/EXCLUDIMM/mfdimmexclud.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/EXCLUDIMM/mfdimmexclud.c b/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/EXCLUDIMM/mfdimmexclud.c new file mode 100644 index 0000000000..c6e85ec3f0 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/EXCLUDIMM/mfdimmexclud.c @@ -0,0 +1,195 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * mfdimmexclud.c + * + * Feature DIMM exclude. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/Feat/EXCLUDIMM) + * @e \$Revision: 35136 $ @e \$Date: 2010-07-16 11:29:48 +0800 (Fri, 16 Jul 2010) $ + * + **/ +/* + ***************************************************************************** + * + * Copyright (c) 2011, 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 "OptionMemory.h" +#include "mm.h" +#include "mn.h" +#include "mt.h" +#include "Ids.h" +#include "Filecode.h" +CODE_GROUP (G2_PEI) +RDATA_GROUP (G2_PEI) + +#define FILECODE PROC_MEM_FEAT_EXCLUDIMM_MFDIMMEXCLUD_FILECODE + +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/* -----------------------------------------------------------------------------*/ +/** + * + * Check and disable Chip selects that fail training for each node. + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + * @return TRUE - This feature is enabled. + * @return FALSE - This feature is not enabled. + */ +BOOLEAN +MemFRASExcludeDIMM ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + UINT8 Dct; + UINT8 ReserveDCT; + UINT8 q; + BOOLEAN Flag; + BOOLEAN IsCSIntlvEnabled; + UINT16 CsTestFail; + DIE_STRUCT *MCTPtr; + BOOLEAN RetVal; + + ASSERT (NBPtr != NULL); + ReserveDCT = NBPtr->Dct; + CsTestFail = 0; + for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { + NBPtr->SwitchDCT (NBPtr, Dct); + if (NBPtr->DCTPtr->Timings.CsTestFail != 0) { + // When there is no new failed dimm that needs to be excluded, then no need to go through the process. + switch (NBPtr->SharedPtr->DimmExcludeFlag) { + case NORMAL: + // See there is new dimm that needs to be excluded + if ((NBPtr->DCTPtr->Timings.CsTestFail & NBPtr->DCTPtr->Timings.CsEnabled) != 0) { + CsTestFail |= NBPtr->DCTPtr->Timings.CsTestFail; + } + break; + case TRAINING: + // Do not do any dimm excluding during training + // Dimm exclude will be done at the end of training + break; + case END_TRAINING: + // Exclude all dimms that have failures during training + if ((NBPtr->DCTPtr->Timings.CsTrainFail != 0) || + ((NBPtr->DCTPtr->Timings.CsTestFail & NBPtr->DCTPtr->Timings.CsEnabled) != 0)) { + CsTestFail |= NBPtr->DCTPtr->Timings.CsTestFail; + } + break; + default: + IDS_ERROR_TRAP; + } + } + } + + if (CsTestFail != 0) { + IsCSIntlvEnabled = FALSE; + MCTPtr = NBPtr->MCTPtr; + MCTPtr->NodeMemSize = 0; + NBPtr->SharedPtr->NodeMap[NBPtr->Node].IsValid = FALSE; + NBPtr->SharedPtr->NodeMap[NBPtr->Node].SysBase = 0; + NBPtr->SharedPtr->NodeMap[NBPtr->Node].SysLimit = 0; + NBPtr->SetBitField (NBPtr, BFDramBaseAddr, 0); + NBPtr->SetBitField (NBPtr, BFDramLimitAddr, 0); + + if (MCTPtr->GangedMode) { + // if ganged mode, disable all pairs of CS that fail. + NBPtr->DCTPtr->Timings.CsTestFail |= CsTestFail; + } + + // if chip select interleaving has been enabled, need to undo it before remapping memory + if (NBPtr->FeatPtr->UndoInterleaveBanks (NBPtr)) { + IsCSIntlvEnabled = TRUE; + } + + for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { + NBPtr->SwitchDCT (NBPtr, Dct); + if (!MCTPtr->GangedMode || (MCTPtr->Dct == 0)) { + if (NBPtr->DCTPtr->Timings.DctMemSize != 0) { + NBPtr->DCTPtr->Timings.DctMemSize = 0; + + NBPtr->DCTPtr->Timings.CsEnabled = 0; + for (q = 0; q < MAX_CS_PER_CHANNEL; q++) { + NBPtr->SetBitField (NBPtr, BFCSBaseAddr0Reg + q, 0); + } + + Flag = NBPtr->StitchMemory (NBPtr); + ASSERT (Flag == TRUE); + } + } + } + + // Re-enable chip select interleaving when remapping is done. + if (IsCSIntlvEnabled) { + NBPtr->FeatPtr->InterleaveBanks (NBPtr); + } + + RetVal = TRUE; + } else { + RetVal = FALSE; + } + NBPtr->SwitchDCT (NBPtr, ReserveDCT); + return RetVal; +} + |