diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/INTLVRN/mfintlvrn.c')
-rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/INTLVRN/mfintlvrn.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/INTLVRN/mfintlvrn.c b/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/INTLVRN/mfintlvrn.c new file mode 100644 index 0000000000..b14d0e8e00 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/INTLVRN/mfintlvrn.c @@ -0,0 +1,152 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * mfrintlv.c + * + * Feature Region interleaving support + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/Feat/Intlvrgn) + * @e \$Revision: 38442 $ @e \$Date: 2010-09-24 06:39:57 +0800 (Fri, 24 Sep 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 "amdlib.h" +#include "mport.h" +#include "mm.h" +#include "mn.h" +#include "mfintlvrn.h" +#include "Ids.h" +#include "Filecode.h" +CODE_GROUP (G2_PEI) +RDATA_GROUP (G2_PEI) + +#define FILECODE PROC_MEM_FEAT_INTLVRN_MFINTLVRN_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ +#define _4GB_RJ27 ((UINT32)4 << (30 - 27)) +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/* -----------------------------------------------------------------------------*/ +/** + * + * MemFInterleaveRegion: + * + * Applies region interleaving if both DCTs have different size of memory, and + * the channel interleaving region doesn't have UMA covered. + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + */ + +VOID +MemFInterleaveRegion ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + UINT32 TOM; + UINT32 TOM2; + UINT32 TOMused; + UINT32 UmaBase; + UINT32 DctSelBase; + S_UINT64 SMsr; + + MEM_DATA_STRUCT *MemPtr; + MEM_PARAMETER_STRUCT *RefPtr; + DIE_STRUCT *MCTPtr; + + MemPtr = NBPtr->MemPtr; + RefPtr = NBPtr->RefPtr; + MCTPtr = NBPtr->MCTPtr; + + UmaBase = (UINT32) RefPtr->UmaBase >> (27 - 16); + + //TOM scaled from [47:0] to [47:27] + LibAmdMsrRead (TOP_MEM, (UINT64 *)&SMsr, &MemPtr->StdHeader); + TOM = (SMsr.lo >> 27) | (SMsr.hi << (32 - 27)); + + //TOM2 scaled from [47:0] to [47:27] + LibAmdMsrRead (TOP_MEM2, (UINT64 *)&SMsr, &MemPtr->StdHeader); + TOM2 = (SMsr.lo >> 27) | (SMsr.hi << (32 - 27)); + + TOMused = (UmaBase >= _4GB_RJ27) ? TOM2 : TOM; + + if (UmaBase != 0) { + //Check if channel interleaving is enabled ? if so, go to next step. + if (NBPtr->GetBitField (NBPtr, BFDctSelIntLvEn) == 1) { + DctSelBase = NBPtr->GetBitField (NBPtr, BFDctSelBaseAddr); + //Skip if DctSelBase is equal to 0, because DCT0 has as the same memory size as DCT1. + if (DctSelBase != 0) { + //We need not enable swapped interleaved region when channel interleaving region has covered all of the UMA. + if (DctSelBase < TOMused) { + NBPtr->EnableSwapIntlvRgn (NBPtr, UmaBase, TOMused); + } + } + } + } +} + + |