diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR3/mttecc3.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR3/mttecc3.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR3/mttecc3.c b/src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR3/mttecc3.c new file mode 100644 index 0000000000..5f948733a7 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR3/mttecc3.c @@ -0,0 +1,166 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * mttecc3.c + * + * Technology ECC byte support for registered DDR3 + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/Tech/DDR3) + * @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 "mu.h" +#include "mt.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_MEM_TECH_DDR3_MTTECC3_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function sets the DQS ECC timings for registered DDR3 + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * + * @return TRUE - No fatal error occurs. + * @return FALSE - Fatal error occurs. + */ + +BOOLEAN +MemTSetDQSEccTmgsRDdr3 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + UINT8 Dct; + UINT8 Dimm; + UINT8 i; + UINT8 *WrDqsDly; + UINT16 *RcvEnDly; + UINT8 *RdDqsDly; + UINT8 *WrDatDly; + UINT8 EccByte; + INT16 TempValue; + + MEM_NB_BLOCK *NBPtr; + CH_DEF_STRUCT *ChannelPtr; + + EccByte = TechPtr->MaxByteLanes (); + NBPtr = TechPtr->NBPtr; + + if (NBPtr->MCTPtr->NodeMemSize) { + for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { + NBPtr->SwitchDCT (NBPtr, Dct); + if (NBPtr->DCTPtr->Timings.DctMemSize != 0) { + ChannelPtr = NBPtr->ChannelPtr; + for (Dimm = 0; Dimm < MAX_DIMMS_PER_CHANNEL; Dimm++) { + if (NBPtr->DCTPtr->Timings.CsEnabled & ((UINT16)3 << (Dimm * 2))) { + i = Dimm * TechPtr->DlyTableWidth (); + WrDqsDly = &ChannelPtr->WrDqsDlys[i]; + RcvEnDly = &ChannelPtr->RcvEnDlys[i]; + RdDqsDly = &ChannelPtr->RdDqsDlys[i]; + WrDatDly = &ChannelPtr->WrDatDlys[i]; + // Receiver DQS Enable: + // Receiver DQS enable for ECC bytelane = Receiver DQS enable for bytelane 3 - + // [write DQS for bytelane 3 - write DQS for ECC] + + TempValue = (INT16) RcvEnDly[3] - (INT16) (WrDqsDly[3] - WrDqsDly[EccByte]); + if (TempValue < 0) { + TempValue = 0; + } + RcvEnDly[EccByte] = (UINT16) TempValue; + + // Read DQS: + // Read DQS for ECC bytelane = read DQS of byte lane 3 + // + RdDqsDly[EccByte] = RdDqsDly[3]; + + // Write Data: + // Write Data for ECC bytelane = Write DQS for ECC + + // [write data for bytelane 3 - Write DQS for bytelane 3] + TempValue = (INT16) (WrDqsDly[EccByte] + (INT8) (WrDatDly[3] - WrDqsDly[3])); + if (TempValue < 0) { + TempValue = 0; + } + WrDatDly[EccByte] = (UINT8) TempValue; + + NBPtr->SetTrainDly (NBPtr, AccessRcvEnDly, DIMM_BYTE_ACCESS (Dimm, EccByte), RcvEnDly[EccByte]); + NBPtr->SetTrainDly (NBPtr, AccessRdDqsDly, DIMM_BYTE_ACCESS (Dimm, EccByte), RdDqsDly[EccByte]); + NBPtr->SetTrainDly (NBPtr, AccessWrDatDly, DIMM_BYTE_ACCESS (Dimm, EccByte), WrDatDly[EccByte]); + } + } + } + } + } + return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL); +}
\ No newline at end of file |