diff options
author | Siyuan Wang <wangsiyuanbuaa@gmail.com> | 2013-07-25 15:14:15 +0800 |
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committer | Bruce Griffith <Bruce.Griffith@se-eng.com> | 2013-08-04 05:40:37 +0200 |
commit | affe85fbc8a13d35960aa92ae87cbb6330ad253f (patch) | |
tree | 9c1ace69f12b06b6544faf041994aa4288fb2e45 /src/vendorcode/amd/agesa/f16kb/Proc/Mem/Main/mmEcc.c | |
parent | ae8d06969bdde9b1250bc3c4ad93f5db408dae98 (diff) |
AMD Kabini: Add AGESA/PI code for new processor family
Change-Id: Icb6f64e2e3cfd678fb4fb4f13f0e4b678d5acc4a
Signed-off-by: Siyuan Wang <SiYuan.Wang@amd.com>
Signed-off-by: Siyuan Wang <wangsiyuanbuaa@gmail.com>
Reviewed-by: Nick Dill <nick.dill@se-eng.com>
Tested-by: Bruce Griffith <bruce.griffith@se-eng.com>
Reviewed-on: http://review.coreboot.org/3836
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martin.roth@se-eng.com>
Diffstat (limited to 'src/vendorcode/amd/agesa/f16kb/Proc/Mem/Main/mmEcc.c')
-rw-r--r-- | src/vendorcode/amd/agesa/f16kb/Proc/Mem/Main/mmEcc.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Main/mmEcc.c b/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Main/mmEcc.c new file mode 100644 index 0000000000..acff7196fd --- /dev/null +++ b/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Main/mmEcc.c @@ -0,0 +1,186 @@ +/* $NoKeywords:$ */ +/** + * @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]); + } + } +} |