diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/Mem/Feat/CHINTLV/mfchi.c')
-rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/Mem/Feat/CHINTLV/mfchi.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Feat/CHINTLV/mfchi.c b/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Feat/CHINTLV/mfchi.c new file mode 100644 index 0000000000..29b8cc4e28 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Feat/CHINTLV/mfchi.c @@ -0,0 +1,238 @@ +/* $NoKeywords:$ */ +/** + * @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: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ + * + **/ +/***************************************************************************** + * + * Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. + * + * AMD is granting you permission to use this software (the Materials) + * pursuant to the terms and conditions of your Software License Agreement + * with AMD. This header does *NOT* give you permission to use the Materials + * or any rights under AMD's intellectual property. Your use of any portion + * of these Materials shall constitute your acceptance of those terms and + * conditions. If you do not agree to the terms and conditions of the Software + * License Agreement, please do not use any portion of these Materials. + * + * CONFIDENTIALITY: The Materials and all other information, identified as + * confidential and provided to you by AMD shall be kept confidential in + * accordance with the terms and conditions of the Software License Agreement. + * + * LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION + * PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF + * MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE, + * OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE. + * IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER + * (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS + * INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE, + * GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER + * RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE + * EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, + * THE ABOVE LIMITATION MAY NOT APPLY TO YOU. + * + * AMD does not assume any responsibility for any errors which may appear in + * the Materials or any other related information provided to you by AMD, or + * result from use of the Materials or any related information. + * + * You agree that you will not reverse engineer or decompile the Materials. + * + * NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any + * further information, software, technical information, know-how, or show-how + * available to you. Additionally, AMD retains the right to modify the + * Materials at any time, without notice, and is not obligated to provide such + * modified Materials to you. + * + * U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with + * "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is + * subject to the restrictions as set forth in FAR 52.227-14 and + * DFAR252.227-7013, et seq., or its successor. Use of the Materials by the + * Government constitutes acknowledgement of AMD's proprietary rights in them. + * + * EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any + * direct product thereof will be exported directly or indirectly, into any + * country prohibited by the United States Export Administration Act and the + * regulations thereunder, without the required authorization from the U.S. + * government nor will be used for any purpose prohibited by the same. + * *************************************************************************** + * + */ + + +/* + *---------------------------------------------------------------------------- + * 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_ (0x10000ul >> 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; + } +} |