diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/OLSPARE/mfspr.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/OLSPARE/mfspr.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/OLSPARE/mfspr.c b/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/OLSPARE/mfspr.c new file mode 100644 index 0000000000..5f83000a45 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/OLSPARE/mfspr.c @@ -0,0 +1,171 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * mfspr.c + * + * Feature enable online spare + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/Feat/Olspare) + * @e \$Revision: 35136 $ @e \$Date: 2010-07-16 11:29:48 +0800 (Fri, 16 Jul 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 "mm.h" +#include "mn.h" +#include "mfspr.h" +#include "Ids.h" +#include "amdlib.h" +#include "Filecode.h" +#include "GeneralServices.h" +CODE_GROUP (G2_PEI) +RDATA_GROUP (G2_PEI) + +#define FILECODE PROC_MEM_FEAT_OLSPARE_MFSPR_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/* -----------------------------------------------------------------------------*/ +/** + * + * Enable online spare on current node if it is requested. + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + * @return TRUE - This feature is enabled. + * @return FALSE - This feature is not enabled. + */ + +BOOLEAN +MemFOnlineSpare ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + UINT8 Dct; + UINT8 q; + UINT8 Value8; + BOOLEAN Flag; + BOOLEAN OnlineSprEnabled[MAX_CHANNELS_PER_SOCKET]; + + MEM_PARAMETER_STRUCT *RefPtr; + DIE_STRUCT *MCTPtr; + + ASSERT (NBPtr != NULL); + + RefPtr = NBPtr->RefPtr; + Flag = FALSE; + if (RefPtr->EnableOnLineSpareCtl != 0) { + RefPtr->GStatus[GsbEnDIMMSpareNW] = TRUE; + MCTPtr = NBPtr->MCTPtr; + + // Check if online spare can be enabled on current node + for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { + ASSERT (Dct < sizeof (OnlineSprEnabled)); + NBPtr->SwitchDCT (NBPtr, Dct); + OnlineSprEnabled[Dct] = FALSE; + if ((MCTPtr->GangedMode == 0) || (MCTPtr->Dct == 0)) { + if (NBPtr->DCTPtr->Timings.DctMemSize != 0) { + // Make sure at least two chip-selects are available + Value8 = LibAmdBitScanReverse (NBPtr->DCTPtr->Timings.CsEnabled); + if (Value8 > LibAmdBitScanForward (NBPtr->DCTPtr->Timings.CsEnabled)) { + OnlineSprEnabled[Dct] = TRUE; + Flag = TRUE; + } else { + PutEventLog (AGESA_ERROR, MEM_ERROR_DIMM_SPARING_NOT_ENABLED, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader); + MCTPtr->ErrStatus[EsbSpareDis] = TRUE; + } + } + } + } + + // If we don't have spared rank on any DCT, we don't run the rest part of the code. + if (!Flag) { + return FALSE; + } + + MCTPtr->NodeMemSize = 0; + for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { + NBPtr->SwitchDCT (NBPtr, Dct); + if (OnlineSprEnabled[Dct]) { + // Only run StitchMemory if we need to set a spare rank. + NBPtr->DCTPtr->Timings.DctMemSize = 0; + for (q = 0; q < MAX_CS_PER_CHANNEL; q++) { + NBPtr->SetBitField (NBPtr, BFCSBaseAddr0Reg + q, 0); + } + Flag = NBPtr->StitchMemory (NBPtr); + ASSERT (Flag == TRUE); + } else if ((MCTPtr->GangedMode == 0) && (NBPtr->DCTPtr->Timings.DctMemSize != 0)) { + // Otherwise, need to adjust the memory size on the node. + MCTPtr->NodeMemSize += NBPtr->DCTPtr->Timings.DctMemSize; + MCTPtr->NodeSysLimit = MCTPtr->NodeMemSize - 1; + } + } + return TRUE; + } else { + return FALSE; + } +} |