diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/Recovery/Mem/Tech/DDR3/mrtspd3.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/Recovery/Mem/Tech/DDR3/mrtspd3.c | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/Recovery/Mem/Tech/DDR3/mrtspd3.c b/src/vendorcode/amd/agesa/f14/Proc/Recovery/Mem/Tech/DDR3/mrtspd3.c new file mode 100644 index 0000000000..7d20e45336 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/Recovery/Mem/Tech/DDR3/mrtspd3.c @@ -0,0 +1,326 @@ +/* $NoKeywords:$ */ +/** + * @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: 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 "amdlib.h" +#include "Ids.h" +#include "mm.h" +#include "mn.h" +#include "mt.h" +#include "mrtspd3.h" +#include "Filecode.h" +CODE_GROUP (G2_PEI) +RDATA_GROUP (G2_PEI) + +#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; + UINT8 VoltageMap; + UINT8 VDDByte; + UINT32 V1_2XDimmMap; + UINT32 V1_35DimmMap; + UINT32 V1_5DimmMap; + + NBPtr = TechPtr->NBPtr; + MCTPtr = NBPtr->MCTPtr; + VoltageMap = 0xFF; + V1_2XDimmMap = 0; + V1_35DimmMap = 0; + V1_5DimmMap = 0; + + NBPtr->DimmToBeUsed = _UNDEF_; + for (Node = 0; Node < NBPtr->MemPtr->DieCount; 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; + } + + // 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; + } else { + ChannelPtr->DimmSRPresent |= DimmMask; + } + + 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; + // + // Temporarily store info. of SPD byte 63 into CtrlWrd02(s), + // and they will be used late to calculate real RC2 and RC8 value + // + ChannelPtr->CtrlWrd02[i] = SpdBufferPtr[SPD_ADDRMAP] & 0x03; + + // Get the common voltage if possible and create the individual Dimm maps per voltage + VDDByte = SpdBufferPtr[SPD_MNVVDD]; + VDDByte ^= 1; + VoltageMap &= VDDByte; + // + // Create the Dimms map + // + // Node: 1 0 + // Dct: 1 0 1 0 + // Dimm: 3210 3210 3210 3210 + // Dimmbitmap: xxxx xxxx xxxx xxxx + // Ex. 0000 0001 0010 0000 (V1_2XDimmMap) + // This indicates Node0/Dct1/Dimm1 and Node1/Dct0/Dimm0 are 1.2XV supported. + if ((VDDByte & (UINT8) (1 << VOLT1_25)) != 0) { + V1_2XDimmMap |= (UINT32) DimmMask << ((Node * NBPtr->MCTPtr->DctCount + Dct) * MAX_DIMMS_PER_CHANNEL); + } else if ((VDDByte & (UINT8) (1 << VOLT1_35)) != 0) { + V1_35DimmMap |= (UINT32) DimmMask << ((Node * NBPtr->MCTPtr->DctCount + Dct) * MAX_DIMMS_PER_CHANNEL); + } else { + V1_5DimmMap |= (UINT32) DimmMask << ((Node * NBPtr->MCTPtr->DctCount + Dct) * MAX_DIMMS_PER_CHANNEL); + } + } // if DIMM present + } // Dimm loop + } // Channel loop + } // DCT loop + } + + if (VoltageMap != 0xFF) { + if (VoltageMap == 0) { + NBPtr->RefPtr->DDR3Voltage = VOLT1_35; + if (V1_35DimmMap != 0) { + i = (UINT8) LibAmdBitScanForward (V1_35DimmMap); + } else { + i = (UINT8) LibAmdBitScanForward (V1_2XDimmMap); + } + } else { + NBPtr->RefPtr->DDR3Voltage = (DIMM_VOLTAGE) LibAmdBitScanReverse (VoltageMap); + i = (UINT8) LibAmdBitScanForward (V1_2XDimmMap | V1_35DimmMap | V1_5DimmMap); + // In case of 1.35V Dimms and 1.5V Dimms mixture, we initialize the 1.35V Dimm. + if ((V1_35DimmMap != 0) && (V1_5DimmMap != 0)) { + NBPtr->RefPtr->DDR3Voltage = VOLT1_35; + i = (UINT8) LibAmdBitScanForward (V1_35DimmMap); + } + } + // Find out which Dimm we are going to initialize and which Node/Dct it belongs to + NBPtr->DimmToBeUsed = i % MAX_DIMMS_PER_CHANNEL; + Node = i / (NBPtr->MCTPtr->DctCount * MAX_DIMMS_PER_CHANNEL); + Dct = (i / MAX_DIMMS_PER_CHANNEL) & (NBPtr->MCTPtr->DctCount - 1); + NBPtr->SwitchNodeRec (NBPtr, Node); + NBPtr->SwitchDCT (NBPtr, Dct); + } + + // 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 + * + *---------------------------------------------------------------------------- + */ |