diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f10/Proc/Mem/Main/mmUmaAlloc.c')
-rwxr-xr-x | src/vendorcode/amd/agesa/f10/Proc/Mem/Main/mmUmaAlloc.c | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f10/Proc/Mem/Main/mmUmaAlloc.c b/src/vendorcode/amd/agesa/f10/Proc/Mem/Main/mmUmaAlloc.c new file mode 100755 index 0000000000..b8a6572cc1 --- /dev/null +++ b/src/vendorcode/amd/agesa/f10/Proc/Mem/Main/mmUmaAlloc.c @@ -0,0 +1,224 @@ +/** + * @file + * + * mmUmaAlloc.c + * + * Main Memory Feature implementation file for UMA allocation. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/Main) + * @e \$Revision: 6474 $ @e \$Date: 2008-06-20 03:07:59 -0500 (Fri, 20 Jun 2008) $ + * + **/ +/***************************************************************************** +* +* 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 "heapManager.h" +#include "OptionMemory.h" +#include "mm.h" +#include "mn.h" +#include "Ids.h" +#include "mport.h" +#include "Filecode.h" +#define FILECODE PROC_MEM_MAIN_MMUMAALLOC_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ +/*----------------------------------------------------------------------------- +* EXPORTED FUNCTIONS +* +*----------------------------------------------------------------------------- +*/ +extern BUILD_OPT_CFG UserOptions; + +BOOLEAN +MemMUmaAlloc ( + IN OUT MEM_MAIN_DATA_BLOCK *MemMainPtr + ); +/* -----------------------------------------------------------------------------*/ +/** + * + * + * UMA allocation mechanism. + * + * @param[in,out] *MemMainPtr - Pointer to the MEM_MAIN_DATA_BLOCK + * + */ +BOOLEAN +MemMUmaAlloc ( + IN OUT MEM_MAIN_DATA_BLOCK *MemMainPtr + ) +{ + UINT32 TOM; + UINT32 TOM2; + UINT32 UmaSize; + UINT32 TopOfChIntlv; + UINT32 UmaAlignment; + UINT32 UmaAbove4GBase; + UINT32 UmaBelow4GBase; + BOOLEAN DctSelIntLvEn; + BOOLEAN UmaAbove4GEn; + S_UINT64 SMsr; + ALLOCATE_HEAP_PARAMS AllocHeapParams; + UMA_INFO *UmaInfoPtr; + + MEM_DATA_STRUCT *MemPtr; + MEM_NB_BLOCK *NBPtr; + MEM_PARAMETER_STRUCT *RefPtr; + + MemPtr = MemMainPtr->MemPtr; + NBPtr = &(MemMainPtr->NBPtr[BSP_DIE]); + RefPtr = NBPtr->RefPtr; + + TOM2 = 0; + SMsr.lo = SMsr.hi = 0; + UmaAbove4GBase = 0; + RefPtr->UmaBase = 0; + UmaAlignment = (UINT32) UserOptions.CfgUmaAlignment; + UmaAbove4GEn = UserOptions.CfgUmaAbove4G; + DctSelIntLvEn = (NBPtr->GetBitField (NBPtr, BFDctSelIntLvEn) == 1) ? TRUE : FALSE; + TopOfChIntlv = NBPtr->GetBitField (NBPtr, BFDctSelBaseAddr) << (27 - 16); + + // Allocate heap for UMA_INFO + AllocHeapParams.RequestedBufferSize = sizeof (UMA_INFO); + AllocHeapParams.BufferHandle = AMD_UMA_INFO_HANDLE; + AllocHeapParams.Persist = HEAP_SYSTEM_MEM; + if (AGESA_SUCCESS != HeapAllocateBuffer (&AllocHeapParams, &MemPtr->StdHeader)) { + ASSERT(FALSE); // Could not allocate heap for Uma information. + return FALSE; + } + UmaInfoPtr = (UMA_INFO *) AllocHeapParams.BufferPtr; + // Default all the fields of UMA_INFO + UmaInfoPtr->UmaMode = (UINT8) UMA_NONE; + UmaInfoPtr->UmaSize = 0; + UmaInfoPtr->UmaBase = 0; + UmaInfoPtr->UmaAttributes = 0; + UmaInfoPtr->MemClock = NBPtr->DCTPtr->Timings.TargetSpeed; + + switch (RefPtr->UmaMode) { + case UMA_NONE: + UmaSize = 0; + break; + case UMA_SPECIFIED: + UmaSize = RefPtr->UmaSize; + break; + case UMA_AUTO: + UmaSize = NBPtr->GetUmaSize (NBPtr); + break; + default: + UmaSize = 0; + IDS_ERROR_TRAP; + } + + if (UmaSize != 0) { + //TOM scaled from [47:0] to [47:16] + LibAmdMsrRead (TOP_MEM, (UINT64 *)&SMsr, &(NBPtr->MemPtr->StdHeader)); + TOM = (SMsr.lo >> 16) | (SMsr.hi << (32 - 16)); + + UmaBelow4GBase = (TOM - UmaSize) & UmaAlignment; + // Initialize Ref->UmaBase to UmaBelow4GBase + RefPtr->UmaBase = UmaBelow4GBase; + + // Uma Above 4G support + if (UmaAbove4GEn) { + //TOM2 scaled from [47:0] to [47:16] + LibAmdMsrRead (TOP_MEM2, (UINT64 *)&SMsr, &(NBPtr->MemPtr->StdHeader)); + TOM2 = (SMsr.lo >> 16) | (SMsr.hi << (32 - 16)); + if (TOM2 != 0) { + UmaAbove4GBase = (TOM2 - UmaSize) & UmaAlignment; + //Set UmaAbove4GBase to 0 if UmaAbove4GBase is below 4GB + if (UmaAbove4GBase < _4GB_RJ16) { + UmaAbove4GBase = 0; + } + if (UmaAbove4GBase != 0) { + RefPtr->UmaBase = UmaAbove4GBase; + // 1. TopOfChIntlv == 0 indicates that whole DCT0 and DCT1 memory are interleaved. + // 2. TopOfChIntlv >= TOM tells us : + // -All or portion of Uma region that above 4G is NOT interleaved. + // -Whole Uma region that below 4G is interleaved. + if (DctSelIntLvEn && (TopOfChIntlv >= TOM)) { + RefPtr->UmaBase = UmaBelow4GBase; + } + } + } + } + + UmaInfoPtr->UmaMode = (UINT8) (RefPtr->UmaMode); + UmaInfoPtr->UmaBase = (UINT64) ((UINT64) RefPtr->UmaBase << 16); + + if (RefPtr->UmaBase >= _4GB_RJ16) { + // UmaSize might be extended if it is 128MB or 256MB .. aligned, so update it. + RefPtr->UmaSize = TOM2 - UmaAbove4GBase; + // Uma Typing + MemNSetMTRRUmaRegionUCNb (NBPtr, &UmaAbove4GBase, &TOM2); + if (DctSelIntLvEn && (TopOfChIntlv == 0)) { + UmaInfoPtr->UmaAttributes = UMA_ATTRIBUTE_INTERLEAVE; + } + } else { + // UmaSize might be extended if it is 128MB or 256MB .. aligned, so update it. + RefPtr->UmaSize = TOM - UmaBelow4GBase; + // Uma Typing + NBPtr->UMAMemTyping (NBPtr); + if (DctSelIntLvEn && ((TopOfChIntlv == 0) || (TopOfChIntlv >= TOM))) { + UmaInfoPtr->UmaAttributes = UMA_ATTRIBUTE_INTERLEAVE; + } + } + UmaInfoPtr->UmaSize = (RefPtr->UmaSize) << 16; + } + + return TRUE; +} + |