| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * mmEcc.c |
| * |
| * Main Memory Feature implementation file for ECC Initialization |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: (Mem/Main) |
| * @e \$Revision: 87201 $ @e \$Date: 2013-01-30 11:25:53 -0600 (Wed, 30 Jan 2013) $ |
| * |
| **/ |
| /***************************************************************************** |
| * |
| * 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. |
| * *************************************************************************** |
| * |
| */ |
| |
| /* |
| *---------------------------------------------------------------------------- |
| * MODULES USED |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| |
| #include "Porting.h" |
| #include "AGESA.h" |
| #include "Ids.h" |
| #include "cpuRegisters.h" |
| #include "OptionMemory.h" |
| #include "mm.h" |
| #include "mn.h" |
| #include "mt.h" |
| #include "ma.h" |
| #include "mfmemclr.h" |
| #include "Filecode.h" |
| CODE_GROUP (G1_PEICC) |
| RDATA_GROUP (G1_PEICC) |
| |
| #define FILECODE PROC_MEM_MAIN_MMECC_FILECODE |
| /*---------------------------------------------------------------------------- |
| * PROTOTYPES OF LOCAL FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| BOOLEAN |
| MemMEcc ( |
| IN OUT MEM_MAIN_DATA_BLOCK *mmPtr |
| ); |
| |
| /*----------------------------------------------------------------------------- |
| * EXPORTED FUNCTIONS |
| * |
| *----------------------------------------------------------------------------- |
| */ |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * |
| * |
| * |
| * @param[in,out] *mmPtr - Pointer to the MEM_MAIN_DATA_BLOCK |
| * |
| * @return TRUE - No fatal error occurs. |
| * @return FALSE - Fatal error occurs. |
| */ |
| BOOLEAN |
| MemMEcc ( |
| IN OUT MEM_MAIN_DATA_BLOCK *mmPtr |
| ) |
| { |
| UINT8 Die; |
| MEM_SHARED_DATA *SharedPtr; |
| MEM_PARAMETER_STRUCT *RefPtr; |
| BOOLEAN RetVal; |
| |
| RetVal = TRUE; |
| RefPtr = mmPtr->MemPtr->ParameterListPtr; |
| SharedPtr = mmPtr->mmSharedPtr; |
| |
| // |
| // Run Northbridge-specific ECC initialization feature for each die. |
| // |
| SharedPtr->AllECC = FALSE; |
| if (RefPtr->EnableEccFeature) { |
| SharedPtr->AllECC = TRUE; |
| AGESA_TESTPOINT (TpProcMemEccInitialization, &(mmPtr->MemPtr->StdHeader)); |
| |
| for (Die = 0 ; Die < mmPtr->DieCount ; Die ++ ) { |
| mmPtr->NBPtr[Die].FeatPtr->CheckEcc (&(mmPtr->NBPtr[Die])); |
| RetVal &= (BOOLEAN) (mmPtr->NBPtr[Die].MCTPtr->ErrCode < AGESA_FATAL); |
| } |
| if (SharedPtr->AllECC == TRUE) { |
| RefPtr->GStatus[GsbAllECCDimms] = TRUE; |
| // Sync mem clear before setting scrub rate. |
| for (Die = 0; Die < mmPtr->DieCount; Die++) { |
| MemFMctMemClr_Sync (&(mmPtr->NBPtr[Die])); |
| } |
| } |
| } |
| // Scrubber control |
| for (Die = 0 ; Die < mmPtr->DieCount ; Die ++ ) { |
| mmPtr->NBPtr[Die].FeatPtr->InitEcc (&(mmPtr->NBPtr[Die])); |
| } |
| return RetVal; |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * This function disable DRAM scrubber |
| * |
| * @param[in,out] *MemMainPtr - Pointer to the MEM_MAIN_DATA_BLOCK |
| * |
| */ |
| VOID |
| MemMDisableScrubber ( |
| IN OUT MEM_MAIN_DATA_BLOCK *MemMainPtr |
| ) |
| { |
| UINT8 Node; |
| MEM_SHARED_DATA *SharedPtr; |
| MEM_NB_BLOCK *NBArray; |
| |
| SharedPtr = MemMainPtr->mmSharedPtr; |
| NBArray = MemMainPtr->NBPtr; |
| if (SharedPtr->AllECC == TRUE) { |
| for (Node = 0; Node < MemMainPtr->DieCount; Node ++) { |
| NBArray[Node].MemNDisableScrubber (&NBArray[Node]); |
| } |
| } |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * This function restore the settings of DRAM scrubber |
| * |
| * @param[in,out] *MemMainPtr - Pointer to the MEM_MAIN_DATA_BLOCK |
| * |
| */ |
| VOID |
| MemMRestoreScrubber ( |
| IN OUT MEM_MAIN_DATA_BLOCK *MemMainPtr |
| ) |
| { |
| UINT8 Node; |
| MEM_SHARED_DATA *SharedPtr; |
| MEM_NB_BLOCK *NBArray; |
| |
| SharedPtr = MemMainPtr->mmSharedPtr; |
| NBArray = MemMainPtr->NBPtr; |
| if (SharedPtr->AllECC == TRUE) { |
| for (Node = 0; Node < MemMainPtr->DieCount; Node ++) { |
| NBArray[Node].MemNRestoreScrubber (&NBArray[Node]); |
| } |
| } |
| } |