diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/ODTHERMAL/mfodthermal.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/ODTHERMAL/mfodthermal.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/ODTHERMAL/mfodthermal.c b/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/ODTHERMAL/mfodthermal.c new file mode 100644 index 0000000000..a3d95dfadb --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/ODTHERMAL/mfodthermal.c @@ -0,0 +1,176 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * mfodthermal.c + * + * On Dimm thermal management. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/Feat) + * @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 "mt.h" +#include "Ids.h" +#include "mfodthermal.h" +#include "Filecode.h" +CODE_GROUP (G2_PEI) +RDATA_GROUP (G2_PEI) + +#define FILECODE PROC_MEM_FEAT_ODTHERMAL_MFODTHERMAL_FILECODE + +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *---------------------------------------------------------------------------- + */ +/*-----------------------------------------------------------------------------*/ +/** + * + * This function does On-Dimm thermal management. + * + * @param[in, out] *NBPtr - Pointer to the MEM_NB_BLOCK. + * + * @return TRUE - This feature is enabled. + * @return FALSE - This feature is not enabled. + */ + +BOOLEAN +MemFOnDimmThermal ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + UINT8 i; + UINT8 Dct; + CH_DEF_STRUCT *ChannelPtr; + MEM_DATA_STRUCT *MemPtr; + UINT8 *SpdBufferPtr; + UINT8 ThermalOp; + BOOLEAN ODTSEn; + BOOLEAN ExtendTmp; + + ODTSEn = FALSE; + ExtendTmp = FALSE; + + ASSERT (NBPtr != NULL); + MemPtr = NBPtr->MemPtr; + AGESA_TESTPOINT (TpProcMemOnDimmThermal, &MemPtr->StdHeader); + if (NBPtr->MCTPtr->NodeMemSize != 0) { + for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { + NBPtr->SwitchDCT (NBPtr, Dct); + // Only go through the DCT if it is not disabled. + if (NBPtr->GetBitField (NBPtr, BFDisDramInterface) == 0) { + ChannelPtr = NBPtr->ChannelPtr; + // If Ganged mode is enabled, need to go through all dram devices on both DCTs. + if (!NBPtr->Ganged || (NBPtr->Dct != 1)) { + if (!(NBPtr->IsSupported[CheckSetSameDctODTsEn]) || (NBPtr->IsSupported[CheckSetSameDctODTsEn] && (NBPtr->Dct != 1))) { + ODTSEn = TRUE; + ExtendTmp = TRUE; + } + } + for (i = 0; i < MAX_DIMMS_PER_CHANNEL; i ++) { + if (NBPtr->TechPtr->GetDimmSpdBuffer (NBPtr->TechPtr, &SpdBufferPtr, i)) { + // Check byte 31: thermal and refresh option. + ThermalOp = SpdBufferPtr[THERMAL_OPT]; + // Bit 3: ODTS readout + if (!((ThermalOp >> 3) & 1)) { + ODTSEn = FALSE; + } + // Bit 0: Extended Temperature Range. + if (!(ThermalOp & 1)) { + ExtendTmp = FALSE; + } + } + } + + if (!NBPtr->Ganged || (NBPtr->Dct == 1)) { + // If in ganged mode, need to switch back to DCT0 to set the registers. + if (NBPtr->Ganged || NBPtr->IsSupported[CheckSetSameDctODTsEn]) { + NBPtr->SwitchDCT (NBPtr, 0); + ChannelPtr = NBPtr->ChannelPtr; + } + // If all dram devices on a DCT support ODTS + if (ODTSEn) { + NBPtr->SetBitField (NBPtr, BFODTSEn, 1); + } + ChannelPtr->ExtendTmp = ExtendTmp; + } + } + IDS_HDT_CONSOLE (MEM_FLOW, "\tDct %d\n", Dct); + IDS_HDT_CONSOLE (MEM_FLOW, "\t\tODTSEn = %d\n", ODTSEn); + IDS_HDT_CONSOLE (MEM_FLOW, "\t\tExtendTmp = %d\n", ExtendTmp); + } + } + return TRUE; +} + + +/*---------------------------------------------------------------------------- + * LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ |