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Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/Mem/Tech/mttecc.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/Mem/Tech/mttecc.c | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Tech/mttecc.c b/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Tech/mttecc.c new file mode 100644 index 0000000000..239b891be2 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Tech/mttecc.c @@ -0,0 +1,252 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * mttecc.c + * + * Technology ECC byte support + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/Tech) + * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ + * + **/ +/***************************************************************************** +* +* Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. +* +* AMD is granting you permission to use this software (the Materials) +* pursuant to the terms and conditions of your Software License Agreement +* with AMD. This header does *NOT* give you permission to use the Materials +* or any rights under AMD's intellectual property. Your use of any portion +* of these Materials shall constitute your acceptance of those terms and +* conditions. If you do not agree to the terms and conditions of the Software +* License Agreement, please do not use any portion of these Materials. +* +* CONFIDENTIALITY: The Materials and all other information, identified as +* confidential and provided to you by AMD shall be kept confidential in +* accordance with the terms and conditions of the Software License Agreement. +* +* LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION +* PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED +* WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF +* MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE, +* OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE. +* IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER +* (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS +* INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE, +* GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER +* RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF +* THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE +* EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, +* THE ABOVE LIMITATION MAY NOT APPLY TO YOU. +* +* AMD does not assume any responsibility for any errors which may appear in +* the Materials or any other related information provided to you by AMD, or +* result from use of the Materials or any related information. +* +* You agree that you will not reverse engineer or decompile the Materials. +* +* NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any +* further information, software, technical information, know-how, or show-how +* available to you. Additionally, AMD retains the right to modify the +* Materials at any time, without notice, and is not obligated to provide such +* modified Materials to you. +* +* U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with +* "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is +* subject to the restrictions as set forth in FAR 52.227-14 and +* DFAR252.227-7013, et seq., or its successor. Use of the Materials by the +* Government constitutes acknowledgement of AMD's proprietary rights in them. +* +* EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any +* direct product thereof will be exported directly or indirectly, into any +* country prohibited by the United States Export Administration Act and the +* regulations thereunder, without the required authorization from the U.S. +* government nor will be used for any purpose prohibited by the same. +* *************************************************************************** +* +*/ + +/* + *---------------------------------------------------------------------------- + * MODULES USED + * + *---------------------------------------------------------------------------- + */ + + +#include "AGESA.h" +#include "Ids.h" +#include "mm.h" +#include "mn.h" +#include "mt.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#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); +} |