diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f16kb/Proc/Mem/Feat/ECC/mfecc.c')
-rw-r--r-- | src/vendorcode/amd/agesa/f16kb/Proc/Mem/Feat/ECC/mfecc.c | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Feat/ECC/mfecc.c b/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Feat/ECC/mfecc.c new file mode 100644 index 0000000000..7ff3960971 --- /dev/null +++ b/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Feat/ECC/mfecc.c @@ -0,0 +1,290 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * mfecc.c + * + * Feature ECC initialization functions + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/Feat/ECC) + * @e \$Revision: 84150 $ @e \$Date: 2012-12-12 15:46:25 -0600 (Wed, 12 Dec 2012) $ + * + **/ +/***************************************************************************** + * + * Copyright (c) 2008 - 2013, 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. + * *************************************************************************** + * + */ + +#include "AGESA.h" +#include "amdlib.h" +#include "Ids.h" +#include "mm.h" +#include "mn.h" +#include "mfecc.h" +#include "Filecode.h" +#include "mfmemclr.h" +#include "GeneralServices.h" +CODE_GROUP (G2_PEI) +RDATA_GROUP (G2_PEI) + +#define FILECODE PROC_MEM_FEAT_ECC_MFECC_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +VOID +STATIC +InitECCOverriedeStruct ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN OUT ECC_OVERRIDE_STRUCT *pecc_override_struct + ); + +BOOLEAN +MemFCheckECC ( + IN OUT MEM_NB_BLOCK *NBPtr + ); + +/* + *----------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *----------------------------------------------------------------------------- + */ + +extern BUILD_OPT_CFG UserOptions; + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function checks to see if ECC can be enabled on all nodes + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + * @return TRUE - This feature is enabled. + * @return FALSE - This feature is not enabled. + */ + +BOOLEAN +MemFCheckECC ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + DIE_STRUCT *MCTPtr; + MEM_SHARED_DATA *SharedPtr; + BOOLEAN ErrorRecovery; + + ASSERT (NBPtr != NULL); + + MCTPtr = NBPtr->MCTPtr; + SharedPtr = NBPtr->SharedPtr; + + ErrorRecovery = TRUE; + IDS_OPTION_HOOK (IDS_MEM_ERROR_RECOVERY, &ErrorRecovery, &NBPtr->MemPtr->StdHeader); + + if (MCTPtr->NodeMemSize != 0) { + if (SharedPtr->AllECC && MCTPtr->Status[SbEccDimms] && (ErrorRecovery || (MCTPtr->ErrCode < AGESA_ERROR))) { + // Clear all MCA reports before using scrubber + // to initialize ECC check bits + // + NBPtr->McaNbCtlReg = NBPtr->GetBitField (NBPtr, BFMcaNbCtlReg); + NBPtr->SetBitField (NBPtr, BFMcaNbCtlReg, 0); + NBPtr->SetBitField (NBPtr, BFSyncOnUcEccEn, 0); + // In unganged mode, set DctDctIntlv + if (!NBPtr->Ganged) { + NBPtr->SetBitField (NBPtr, BFDctDatIntLv, 1); + } + // + // Set Ecc Symbol Size + // + NBPtr->SetEccSymbolSize (NBPtr); + // If ECC can be enabled on this node, + // set the master ECCen bit (according to setup) + // + NBPtr->SetBitField (NBPtr, BFDramEccEn, 1); + // Do mem clear on current node + MemFMctMemClr_Init (NBPtr); + return TRUE; + } else { + if (SharedPtr->AllECC) { + SharedPtr->AllECC = FALSE; + } + // ECC requested but cannot be enabled + MCTPtr->Status[SbEccDimms] = FALSE; + MCTPtr->ErrStatus[EsbDramECCDis] = TRUE; + PutEventLog (AGESA_WARNING, MEM_WARNING_ECC_DIS, NBPtr->Node, 0, 0, 0, &NBPtr->MemPtr->StdHeader); + SetMemError (AGESA_WARNING, MCTPtr); + } + } + return FALSE; +} + + /* -----------------------------------------------------------------------------*/ +/** + * + * + * This function initializes the ECC on all nodes + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + * @return TRUE - This feature is enabled. + * @return FALSE - This feature is not enabled. + */ + +BOOLEAN +MemFInitECC ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + UINT8 Node; + UINT32 ScrubAddrRJ16; + DIE_STRUCT *MCTPtr; + MEM_SHARED_DATA *SharedPtr; + ECC_OVERRIDE_STRUCT ecc_override_struct; + BOOLEAN Flag; + + InitECCOverriedeStruct (NBPtr, &ecc_override_struct); + IDS_OPTION_HOOK (IDS_ECC, &ecc_override_struct, &(NBPtr->MemPtr->StdHeader)); + + ASSERT (NBPtr != NULL); + + MCTPtr = NBPtr->MCTPtr; + Node = MCTPtr->NodeId; + SharedPtr = NBPtr->SharedPtr; + Flag = TRUE; + + NBPtr->FamilySpecificHook[ScrubberErratum] (NBPtr, (VOID *) &Flag); + + if ((MCTPtr->Status[SbEccDimms]) && (SharedPtr->AllECC)) { + // Check if the input dram scrub rate is supported or not + ASSERT (ecc_override_struct.CfgScrubDramRate <= 0x16); + if (ecc_override_struct.CfgScrubDramRate != 0) { + // Program scrub address, + // let the scrub Addr be the Base of this Node + // Only enable Dram scrubber when there is memory on current node + // + NBPtr->SetBitField (NBPtr, BFScrubReDirEn, 0); + ScrubAddrRJ16 = (NBPtr->GetBitField (NBPtr, BFDramBaseReg0 + Node) & 0xFFFF0000) >> 8; + ScrubAddrRJ16 |= NBPtr->GetBitField (NBPtr, BFDramBaseHiReg0 + Node) << 24; + NBPtr->SetBitField (NBPtr, BFScrubAddrLoReg, ScrubAddrRJ16 << 16); + NBPtr->SetBitField (NBPtr, BFScrubAddrHiReg, ScrubAddrRJ16 >> 16); + NBPtr->SetBitField (NBPtr, BFDramScrub, ecc_override_struct.CfgScrubDramRate); + NBPtr->IsSupported[ScrubberEn] = TRUE; + } + } + // Scrub CTL for Dcache, L2, L3 + // Check if the input L2 scrub rate is supported or not + ASSERT (ecc_override_struct.CfgScrubL2Rate <= 0x16); + NBPtr->SetBitField (NBPtr, BFL2Scrub, ecc_override_struct.CfgScrubL2Rate); + // Check if the input Dcache scrub rate is supported or not + ASSERT (ecc_override_struct.CfgScrubDcRate <= 0x16); + NBPtr->SetBitField (NBPtr, BFDcacheScrub, ecc_override_struct.CfgScrubDcRate); + // Do not enable L3 Scrub if F3xE8[L3Capable] is 0 or F3x188[DisableL3] is 1 + if ((NBPtr->GetBitField (NBPtr, BFL3Capable) == 1) && (NBPtr->GetBitField (NBPtr, BFDisableL3) == 0)) { + // Check if input L3 scrub rate is supported or not + ASSERT (ecc_override_struct.CfgScrubL3Rate <= 0x16); + NBPtr->SetBitField (NBPtr, BFL3Scrub, ecc_override_struct.CfgScrubL3Rate); + } + + // Check if Dcache scrubber or L2 scrubber is enabled + if ((ecc_override_struct.CfgScrubL2Rate != 0) || (ecc_override_struct.CfgScrubDcRate!= 0)) { + // If ClkDivisor is deeper than divide-by-16 + if (NBPtr->GetBitField (NBPtr, BFC1ClkDivisor) > 4) { + // Set it to divide-by-16 + NBPtr->SetBitField (NBPtr, BFC1ClkDivisor, 4); + } + } + + NBPtr->SetBitField (NBPtr, BFScrubReDirEn, ecc_override_struct.CfgEccRedirection); + NBPtr->SetBitField (NBPtr, BFSyncOnUcEccEn, ecc_override_struct.CfgEccSyncFlood); + // Restore MCA reports after scrubber is done + // with initializing ECC check bits + NBPtr->SetBitField (NBPtr, BFMcaNbCtlReg, NBPtr->McaNbCtlReg); + + Flag = FALSE; + NBPtr->FamilySpecificHook[ScrubberErratum] (NBPtr, (VOID *) &Flag); + + return TRUE; +} + +VOID +STATIC +InitECCOverriedeStruct ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN OUT ECC_OVERRIDE_STRUCT *pecc_override_struct + ) +{ + // + // If (D18F3x44[DramEccEn]==1) THEN 1 ELSE 0 ENDIF + // + if (NBPtr->GetBitField (NBPtr, BFDramEccEn) == 1) { + pecc_override_struct->CfgEccRedirection = 1; + } else { + pecc_override_struct->CfgEccRedirection = 0; + } + + pecc_override_struct->CfgEccSyncFlood = UserOptions.CfgEccSyncFlood; + pecc_override_struct->CfgScrubDcRate = UserOptions.CfgScrubDcRate; + + if (UserOptions.CfgScrubDramRate != 0xFF) { + pecc_override_struct->CfgScrubDramRate = UserOptions.CfgScrubDramRate; + } else { + if (NBPtr->MCTPtr->NodeMemSize <= 0x4000) { + pecc_override_struct->CfgScrubDramRate = 0x12; // 1 ~ 1 GB + } else if (NBPtr->MCTPtr->NodeMemSize <= 0x8000) { + pecc_override_struct->CfgScrubDramRate = 0x11; // 1 GB + 1 ~ 2 GB + } else if (NBPtr->MCTPtr->NodeMemSize <= 0x10000) { + pecc_override_struct->CfgScrubDramRate = 0x10; // 2 GB + 1 ~ 4 GB + } else if (NBPtr->MCTPtr->NodeMemSize <= 0x20000) { + pecc_override_struct->CfgScrubDramRate = 0x0F; // 4 GB + 1 ~ 8 GB + } else if (NBPtr->MCTPtr->NodeMemSize <= 0x40000) { + pecc_override_struct->CfgScrubDramRate = 0x0E; // 8 GB + 1 ~ 16 GB + } else { + pecc_override_struct->CfgScrubDramRate = 0x0D; //16 GB + 1 above + } + } + + pecc_override_struct->CfgScrubL2Rate = UserOptions.CfgScrubL2Rate; + pecc_override_struct->CfgScrubL3Rate = UserOptions.CfgScrubL3Rate; +} |