| /** |
| * @file |
| * |
| * mrtspd3.c |
| * |
| * Technology SPD supporting functions for DDR3 Recovery |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: (Proc/Recovery/Mem) |
| * @e \$Revision: 44323 $ @e \$Date: 2010-12-22 01:24:58 -0700 (Wed, 22 Dec 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 "Ids.h" |
| #include "mm.h" |
| #include "mn.h" |
| #include "mt.h" |
| #include "mrtspd3.h" |
| #include "Filecode.h" |
| #define FILECODE PROC_RECOVERY_MEM_TECH_DDR3_MRTSPD3_FILECODE |
| |
| /*---------------------------------------------------------------------------- |
| * DEFINITIONS AND MACROS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| #define _UNDEF_ 0xFF |
| #define MAX_DIES_PER_SOCKET 2 ///< Set to largest of any CPU |
| |
| /*---------------------------------------------------------------------------- |
| * TYPEDEFS AND STRUCTURES |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------- |
| * PROTOTYPES OF LOCAL FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------- |
| * EXPORTED FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * This function sets the DRAM mode |
| * |
| * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK |
| * |
| * @return TRUE - indicates that the DRAM mode is set to DDR2 |
| */ |
| |
| BOOLEAN |
| MemRecTSetDramMode3 ( |
| IN OUT MEM_TECH_BLOCK *TechPtr |
| ) |
| { |
| TechPtr->NBPtr->SetBitField (TechPtr->NBPtr, BFLegacyBiosMode, 0); |
| TechPtr->NBPtr->SetBitField (TechPtr->NBPtr, BFDdr3Mode, 1); |
| return TRUE; |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * This function determines if DIMMs are present. It checks checksum and interrogates the SPDs |
| * |
| * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK |
| * |
| * @return TRUE - indicates that a FATAL error has not occurred |
| * @return FALL - indicates that a FATAL error has not occurred |
| */ |
| |
| BOOLEAN |
| MemRecTDIMMPresence3 ( |
| IN OUT MEM_TECH_BLOCK *TechPtr |
| ) |
| { |
| UINT8 Node; |
| UINT8 Dct; |
| UINT8 Channel; |
| UINT8 i; |
| SPD_DEF_STRUCT *SPDPtr; |
| UINT8 *SpdBufferPtr; |
| DIE_STRUCT *MCTPtr; |
| DCT_STRUCT *DCTPtr; |
| CH_DEF_STRUCT *ChannelPtr; |
| MEM_NB_BLOCK *NBPtr; |
| UINT16 MaxDimms; |
| UINT16 Value16; |
| UINT8 Devwidth; |
| UINT8 Value8; |
| UINT16 DimmMask; |
| |
| NBPtr = TechPtr->NBPtr; |
| MCTPtr = NBPtr->MCTPtr; |
| |
| NBPtr->DimmToBeUsed = _UNDEF_; |
| for (Node = 0; Node < MAX_DIES_PER_SOCKET; Node++) { |
| NBPtr->SwitchNodeRec (NBPtr, Node); |
| for (Dct = 0; Dct < NBPtr->MCTPtr->DctCount; Dct++) { |
| NBPtr->SwitchDCT (NBPtr, Dct); |
| DCTPtr = NBPtr->DCTPtr; |
| for (Channel = 0; Channel < DCTPtr->ChannelCount; Channel++) { |
| NBPtr->SwitchChannel (NBPtr, Channel); |
| ChannelPtr = NBPtr->ChannelPtr; |
| SPDPtr = NBPtr->SPDPtr; |
| |
| // Get the maximum number of DIMMs |
| MaxDimms = MAX_DIMMS_PER_CHANNEL; |
| for (i = 0; i < MaxDimms; i++) { |
| // Bitmask representing dimm #i. |
| DimmMask = (UINT16) 1 << i; |
| |
| if (SPDPtr[i].DimmPresent) { |
| SpdBufferPtr = (UINT8 *)&(SPDPtr[i].Data); |
| |
| MCTPtr->DimmPresent |= DimmMask; |
| if (SpdBufferPtr[SPD_TYPE] == JED_DDR3SDRAM) { |
| ChannelPtr->ChDimmValid |= DimmMask; |
| if (NBPtr->DimmToBeUsed == _UNDEF_) { |
| NBPtr->DimmToBeUsed = i; |
| } |
| } |
| |
| // Check module type information. |
| if (SpdBufferPtr[SPD_DIMM_TYPE] == JED_RDIMM || SpdBufferPtr[SPD_DIMM_TYPE] == JED_MINIRDIMM) { |
| ChannelPtr->RegDimmPresent |= DimmMask; |
| } |
| |
| if (SpdBufferPtr[SPD_DIMM_TYPE] == JED_SODIMM) { |
| ChannelPtr->SODimmPresent |= DimmMask; |
| } |
| |
| // Get the Dimm width data |
| Devwidth = SpdBufferPtr[SPD_DEV_WIDTH] & 0x7; |
| switch (Devwidth) { |
| case 0: |
| ChannelPtr->Dimmx4Present |= DimmMask; |
| Devwidth = 4; |
| break; |
| case 1: |
| ChannelPtr->Dimmx8Present |= DimmMask; |
| Devwidth = 8; |
| break; |
| case 2: |
| ChannelPtr->Dimmx16Present |= DimmMask; |
| Devwidth = 16; |
| break; |
| default: |
| IDS_ERROR_TRAP; |
| } |
| |
| // Determine the page size. |
| // page_size = 2^COLBITS * Devwidth/8 |
| // |
| Value16 = (((UINT16) 1 << (SpdBufferPtr[SPD_COL_SZ]&7)) * Devwidth) / 8; |
| if ((Value16 >> 11) == 0) { |
| DCTPtr->Timings.DIMM1KPage |= DimmMask; |
| } |
| |
| // Calculate bus loading per Channel |
| if (Devwidth == 16) { |
| Devwidth = 4; |
| } else if (Devwidth == 4) { |
| Devwidth = 16; |
| } |
| |
| // specify the number of ranks |
| Value8 = ((SpdBufferPtr[SPD_RANKS] >> 3) & 0x07) + 1; |
| if (Value8 > 2) { |
| ChannelPtr->DimmQrPresent |= DimmMask; |
| Devwidth = Devwidth << 2; |
| } else if (Value8 == 2) { |
| ChannelPtr->DimmDrPresent |= DimmMask; // Dual rank dimms |
| Devwidth = Devwidth << 1; |
| } |
| |
| ChannelPtr->Ranks = ChannelPtr->Ranks + Value8; |
| ChannelPtr->Loads = ChannelPtr->Loads + Devwidth; |
| ChannelPtr->Dimms++; |
| |
| // Check address mirror support for Unbuffered Dimms only |
| if ((ChannelPtr->RegDimmPresent & DimmMask) == 0) { |
| if ((SpdBufferPtr[SPD_ADDRMAP] & 1) != 0) { |
| ChannelPtr->DimmMirrorPresent |= DimmMask; |
| } |
| } |
| |
| // Get control word values for RC3, RC4 and RC5 |
| ChannelPtr->CtrlWrd03[i] = SpdBufferPtr[SPD_CTLWRD03] >> 4; |
| ChannelPtr->CtrlWrd04[i] = SpdBufferPtr[SPD_CTLWRD04] & 0x0F; |
| ChannelPtr->CtrlWrd05[i] = SpdBufferPtr[SPD_CTLWRD05] >> 4; |
| } // if DIMM present |
| } // Dimm loop |
| |
| if (ChannelPtr->ChDimmValid != 0) { |
| // exit loops |
| Channel = DCTPtr->ChannelCount; |
| Dct = NBPtr->MCTPtr->DctCount; |
| Node = MAX_DIES_PER_SOCKET; |
| } |
| } // Channel loop |
| } // DCT loop |
| } |
| |
| // If we have DIMMs, some further general characteristics checking |
| if (NBPtr->DimmToBeUsed == _UNDEF_) { |
| // Leave with an error - no dimms on this DCT |
| // LibAmdEventLog (AGESA_FATAL, MEM_ERROR_NO_DIMM_FOUND, 0, NBPtr->Dct, NBPtr->Channel, 0); //@attention commented out since it is not defined in recovery code |
| SetMemRecError (AGESA_FATAL, MCTPtr); |
| } |
| |
| return (BOOLEAN) (MCTPtr->ErrCode < AGESA_FATAL); |
| } |
| |
| /*---------------------------------------------------------------------------- |
| * LOCAL FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
