diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f10/Proc/Mem/Feat/LVDDR3/mflvddr3.c')
-rw-r--r-- | src/vendorcode/amd/agesa/f10/Proc/Mem/Feat/LVDDR3/mflvddr3.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/src/vendorcode/amd/agesa/f10/Proc/Mem/Feat/LVDDR3/mflvddr3.c b/src/vendorcode/amd/agesa/f10/Proc/Mem/Feat/LVDDR3/mflvddr3.c deleted file mode 100644 index 155b8551b4..0000000000 --- a/src/vendorcode/amd/agesa/f10/Proc/Mem/Feat/LVDDR3/mflvddr3.c +++ /dev/null @@ -1,167 +0,0 @@ -/** - * @file - * - * lvddr3.c - * - * Voltage change for DDR3 DIMMs. - * - * @xrefitem bom "File Content Label" "Release Content" - * @e project: AGESA - * @e sub-project: (Mem/Feat/LVDDR3) - * @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 "Ids.h" -#include "mm.h" -#include "mn.h" -#include "mt.h" -#include "Filecode.h" -#define FILECODE PROC_MEM_FEAT_LVDDR3_MFLVDDR3_FILECODE -/* features */ -#include "mflvddr3.h" - - -/*---------------------------------------------------------------------------- - * DEFINITIONS AND MACROS - * - *---------------------------------------------------------------------------- - */ - -/*---------------------------------------------------------------------------- - * TYPEDEFS AND STRUCTURES - * - *---------------------------------------------------------------------------- - */ - -/*---------------------------------------------------------------------------- - * PROTOTYPES OF LOCAL FUNCTIONS - * - *---------------------------------------------------------------------------- - */ - -/*---------------------------------------------------------------------------- - * EXPORTED FUNCTIONS - * - *---------------------------------------------------------------------------- - */ - -/*-----------------------------------------------------------------------------*/ -/** - * - * This function calculate the common lowest voltage supported by all DDR3 - * DIMMs in the system. This function only needs to be called on BSP. - * - * @param[in, out] *NBPtr - Pointer to NB block - * - * @return TRUE - This feature is enabled. - * @return FALSE - This feature is not enabled. - */ - -BOOLEAN -MemFLvDdr3 ( - IN OUT MEM_NB_BLOCK *NBPtr - ) -{ - CH_DEF_STRUCT *ChannelPtr; - MEM_TECH_BLOCK *TechPtr; - MEM_SHARED_DATA *mmSharedPtr; - UINT8 Dct; - UINT8 Channel; - UINT8 Dimm; - UINT8 *SpdBufferPtr; - UINT8 VDDByte; - UINT8 VoltageMap; - - mmSharedPtr = NBPtr->SharedPtr; - TechPtr = NBPtr->TechPtr; - VoltageMap = 0xFF; - - for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { - NBPtr->SwitchDCT (NBPtr, Dct); - for (Channel = 0; Channel < NBPtr->ChannelCount; Channel++) { - NBPtr->SwitchChannel (NBPtr, Channel); - ChannelPtr = NBPtr->ChannelPtr; - for (Dimm = 0; Dimm < MAX_DIMMS_PER_CHANNEL; Dimm++) { - if (TechPtr->GetDimmSpdBuffer (TechPtr, &SpdBufferPtr, Dimm)) { - // SPD byte 6: Module Nominal Voltage, VDD - // 1.5v - bit 0 - // 1.35v - bit 1 - // 1.2v - bit 2 - VDDByte = SpdBufferPtr[MNVVDD]; - // Reverse the 1.5V operable bit. So its encoding can be consistent - // with that of 1.35V and 1.25V operable bit. - VDDByte ^= 1; - ASSERT (VDDByte != 0); - - if (mmSharedPtr->VoltageMap != 0) { - // Get the common supported voltage map - VoltageMap &= VDDByte; - } else { - // This is the second execution of all the loop as no common voltage is found - if (VDDByte == (1 << VOLT1_5)) { - // Always exclude 1.5V dimm if no common voltage is found - ChannelPtr->DimmExclude |= (UINT16) 1 << Dimm; - } - } - } - } - if (mmSharedPtr->VoltageMap == 0) { - NBPtr->DCTPtr->Timings.DimmExclude |= ChannelPtr->DimmExclude; - } - } - } - - if (mmSharedPtr->VoltageMap != 0) { - mmSharedPtr->VoltageMap &= VoltageMap; - } - - return TRUE; -} - -/*---------------------------------------------------------------------------- - * LOCAL FUNCTIONS - * - *---------------------------------------------------------------------------- - */ |