| /* $NoKeywords:$ */ |
| /** |
| * @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: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ |
| * |
| **/ |
| /***************************************************************************** |
| * |
| * Copyright (c) 2008 - 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 "amdlib.h" |
| #include "heapManager.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; |
| LOCATE_HEAP_PTR LocHeap; |
| UMA_INFO *UmaInfoPtr; |
| |
| 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); |
| SMsr.lo += (16 << 20); // Add 16MB to gain back C6 region if C6 is enabled |
| 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); |
| |
| // Set UMA attribute to interleaved after interleaved region has been swapped |
| LocHeap.BufferHandle = AMD_UMA_INFO_HANDLE; |
| if (HeapLocateBuffer (&LocHeap, &(NBPtr->MemPtr->StdHeader)) == AGESA_SUCCESS) { |
| UmaInfoPtr = (UMA_INFO *) LocHeap.BufferPtr; |
| UmaInfoPtr->UmaAttributes = UMA_ATTRIBUTE_INTERLEAVE | UMA_ATTRIBUTE_ON_DCT0 | UMA_ATTRIBUTE_ON_DCT1; |
| } else { |
| ASSERT (FALSE); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| |