diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f10/Proc/Mem/Tech/mttecc.c')
| -rwxr-xr-x | src/vendorcode/amd/agesa/f10/Proc/Mem/Tech/mttecc.c | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f10/Proc/Mem/Tech/mttecc.c b/src/vendorcode/amd/agesa/f10/Proc/Mem/Tech/mttecc.c new file mode 100755 index 0000000000..d50e53c47d --- /dev/null +++ b/src/vendorcode/amd/agesa/f10/Proc/Mem/Tech/mttecc.c @@ -0,0 +1,223 @@ +/** + * @file + * + * mttecc.c + * + * Technology ECC byte support + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/Tech) + * @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 "Ids.h" +#include "mm.h" +#include "mn.h" +#include "mu.h" +#include "mt.h" +#include "Filecode.h" +#define FILECODE PROC_MEM_TECH_MTTECC_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +VOID +STATIC +MemTCalcDQSEccTmg ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN UINT8 Dimm, + IN UINT8 Type, + IN OUT VOID *DlyArray + ); + +/*---------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function sets the DQS ECC timings + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * + * @return TRUE - No fatal error occurs. + * @return FALSE - Fatal error occurs. + */ + +BOOLEAN +MemTSetDQSEccTmgs ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + UINT8 Dct; + UINT8 Dimm; + UINT8 i; + + MEM_NB_BLOCK *NBPtr; + CH_DEF_STRUCT *ChannelPtr; + + 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)1 << (Dimm * 2))) { + i = Dimm * TechPtr->DlyTableWidth (); + MemTCalcDQSEccTmg (TechPtr, Dimm, AccessRcvEnDly, &ChannelPtr->RcvEnDlys[i]); + MemTCalcDQSEccTmg (TechPtr, Dimm, AccessRdDqsDly, &ChannelPtr->RdDqsDlys[i]); + MemTCalcDQSEccTmg (TechPtr, Dimm, AccessWrDatDly, &ChannelPtr->WrDatDlys[i]); + } + } + } + } + } + return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL); +} + +/*---------------------------------------------------------------------------- + * LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function calculates the DQS ECC timings + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * @param[in] Dimm - Dimm number + * @param[in] Type - Type of DQS timing + * @param[in,out] *DlyArray - Pointer to the array of delays per this Dimm + * + */ + +VOID +STATIC +MemTCalcDQSEccTmg ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN UINT8 Dimm, + IN UINT8 Type, + IN OUT VOID *DlyArray + ) +{ + UINT8 i; + UINT8 j; + UINT8 Scale; + UINT8 EccByte; + UINT16 ByteiDly; + UINT16 BytejDly; + UINT16 EccDly; + UINT8 *WrDqsDly; + MEM_NB_BLOCK *NBPtr; + CH_DEF_STRUCT *ChannelPtr; + + NBPtr = TechPtr->NBPtr; + ChannelPtr = NBPtr->ChannelPtr; + + EccByte = TechPtr->MaxByteLanes (); + i = (UINT8) (ChannelPtr->DctEccDqsLike & 0xFF); + j = (UINT8) (ChannelPtr->DctEccDqsLike >> 8); + Scale = ChannelPtr->DctEccDqsScale; + WrDqsDly = &ChannelPtr->WrDqsDlys[Dimm * TechPtr->DlyTableWidth ()]; + + if (Type == AccessRcvEnDly) { + ByteiDly = ((UINT16 *) DlyArray)[i]; + BytejDly = ((UINT16 *) DlyArray)[j]; + } else { + ByteiDly = ((UINT8 *) DlyArray)[i]; + BytejDly = ((UINT8 *) DlyArray)[j]; + } + + // + // For WrDatDly, Subtract TxDqs Delay to get + // TxDq-TxDqs Delta, which is what should be averaged. + // + if (Type == AccessWrDatDly) { + ByteiDly = ByteiDly - WrDqsDly[i]; + BytejDly = BytejDly - WrDqsDly[j]; + } + + if (BytejDly > ByteiDly) { + EccDly = ByteiDly + (UINT8) (((UINT16) (BytejDly - ByteiDly) * Scale + 0x77) / 0xFF); + // Round up --^ + } else { + EccDly = BytejDly + (UINT8) (((UINT16) (ByteiDly - BytejDly) * (0xFF - Scale) + 0x77) / 0xFF); + // Round up --^ + } + + if (Type == AccessRcvEnDly) { + ((UINT16 *) DlyArray)[EccByte] = EccDly; + } else { + ((UINT8 *) DlyArray)[EccByte] = (UINT8) EccDly; + } + + // + // For WrDatDly, Add back the TxDqs value for ECC bytelane + // + if (Type == AccessWrDatDly) { + EccDly = EccDly + WrDqsDly[EccByte]; + } + + NBPtr->SetTrainDly (NBPtr, Type, DIMM_BYTE_ACCESS (Dimm, EccByte), EccDly); +} |