diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/CHINTLV/mfchi.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/CHINTLV/mfchi.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/CHINTLV/mfchi.c b/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/CHINTLV/mfchi.c new file mode 100644 index 0000000000..1e74421351 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/CHINTLV/mfchi.c @@ -0,0 +1,213 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * mfchi.c + * + * Feature Channel interleaving support + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/Feat/Chintlv) + * @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 "mm.h" +#include "mn.h" +#include "mfchi.h" +#include "Ids.h" +#include "GeneralServices.h" +#include "Filecode.h" +CODE_GROUP (G2_PEI) +RDATA_GROUP (G2_PEI) + +#define FILECODE PROC_MEM_FEAT_CHINTLV_MFCHI_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ +#define _4GB_ (0x10000 >> 10) + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/* -----------------------------------------------------------------------------*/ +/** + * + * MemFInterleaveChannels: + * + * Applies DIMM channel interleaving if enabled, if not ganged mode, and + * there are valid dimms in both channels. Called once per 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 +MemFInterleaveChannels ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + UINT32 DramBase; + UINT32 DctSelBase; + UINT32 HoleSize; + UINT32 HoleBase; + UINT32 HoleOffset; + UINT32 Dct0Size; + UINT32 Dct1Size; + UINT32 SmallerDct; + UINT8 DctSelIntLvAddr; + UINT8 DctSelHi; + UINT8 DctSelHiRngEn; + UINT32 HoleValid; + + MEM_PARAMETER_STRUCT *RefPtr; + DIE_STRUCT *MCTPtr; + + ASSERT (NBPtr != NULL); + + RefPtr = NBPtr->RefPtr; + + DctSelIntLvAddr = NBPtr->DefDctSelIntLvAddr; + if (RefPtr->EnableChannelIntlv) { + HoleSize = 0; + HoleBase = 0; + if (RefPtr->GStatus[GsbSoftHole] || RefPtr->GStatus[GsbHWHole]) { + // HoleBase scaled from [47:16] to [47:26] + HoleBase = RefPtr->HoleBase >> 10; + HoleSize = _4GB_ - HoleBase; + } + + MCTPtr = NBPtr->MCTPtr; + + HoleValid = NBPtr->GetBitField (NBPtr, BFDramHoleValid); + if ((!MCTPtr->GangedMode) && + (MCTPtr->DctData[0].Timings.DctMemSize != 0) && + (MCTPtr->DctData[1].Timings.DctMemSize != 0)) { + // DramBase scaled [47:16] to [47:26] + DramBase = MCTPtr->NodeSysBase >> 10; + // Scale NodeSysLimit [47:16] to [47:26] + Dct1Size = (MCTPtr->NodeSysLimit + 1) >> 10; + Dct0Size = NBPtr->GetBitField (NBPtr, BFDctSelBaseOffset); + if ((Dct0Size >= _4GB_) && (DramBase < HoleBase)) { + Dct0Size -= HoleSize; + } + if ((Dct1Size >= _4GB_) && (DramBase < HoleBase)) { + Dct1Size -= HoleSize; + } + Dct1Size -= Dct0Size; + Dct0Size -= DramBase; + + // Select the bigger size DCT to put in DctSelHi + DctSelHiRngEn = 1; + DctSelHi = 0; + SmallerDct = Dct1Size; + if (Dct1Size == Dct0Size) { + SmallerDct = 0; + DctSelHiRngEn = 0; + } else if (Dct1Size > Dct0Size) { + SmallerDct = Dct0Size; + DctSelHi = 1; + } + + if (SmallerDct != 0) { + DctSelBase = (SmallerDct * 2) + DramBase; + } else { + DctSelBase = 0; + } + if ((DctSelBase >= HoleBase) && (DramBase < HoleBase)) { + DctSelBase += HoleSize; + } + IDS_OPTION_HOOK (IDS_CHANNEL_INTERLEAVE, &DctSelIntLvAddr, &(NBPtr->MemPtr->StdHeader)); + NBPtr->SetBitField (NBPtr, BFDctSelBaseAddr, DctSelBase >> 1); + NBPtr->SetBitField (NBPtr, BFDctSelHiRngEn, DctSelHiRngEn); + NBPtr->SetBitField (NBPtr, BFDctSelHi, DctSelHi); + NBPtr->SetBitField (NBPtr, BFDctSelIntLvAddr, DctSelIntLvAddr); + NBPtr->SetBitField (NBPtr, BFDctSelIntLvEn, 1); + + // DctSelBaseOffset = DctSelBaseAddr - Interleaved region + NBPtr->SetBitField (NBPtr, BFDctSelBaseOffset, DctSelBase - SmallerDct); + + // Adjust DramHoleOffset + if (HoleValid != 0) { + HoleOffset = DramBase; + if ((DctSelBase < HoleBase) && (DctSelBase != 0)) { + HoleOffset += (DctSelBase - DramBase) >> 1; + } + HoleOffset += HoleSize; + NBPtr->SetBitField (NBPtr, BFDramHoleOffset, HoleOffset << 3); + } + } else { + // + // Channel Interleaving is requested but cannot be enabled + // + PutEventLog (AGESA_WARNING, MEM_WARNING_CHANNEL_INTERLEAVING_NOT_ENABLED, NBPtr->Node, 0, 0, 0, &NBPtr->MemPtr->StdHeader); + SetMemError (AGESA_WARNING, MCTPtr); + } + + return TRUE; + } else { + return FALSE; + } +} |