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Diffstat (limited to 'src/vendorcode/amd/agesa/f10/Proc/Mem/NB/DR/mnprotodr.c')
| -rwxr-xr-x | src/vendorcode/amd/agesa/f10/Proc/Mem/NB/DR/mnprotodr.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f10/Proc/Mem/NB/DR/mnprotodr.c b/src/vendorcode/amd/agesa/f10/Proc/Mem/NB/DR/mnprotodr.c new file mode 100755 index 0000000000..ee2ada03f7 --- /dev/null +++ b/src/vendorcode/amd/agesa/f10/Proc/Mem/NB/DR/mnprotodr.c @@ -0,0 +1,164 @@ +/** + * @file + * + * mnprotodr.c + * + * Northbridge support functions for Errata and early samples + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/NB/DR) + * @e \$Revision: 44323 $ @e \$Date: 2010-12-22 01:24:58 -0700 (Wed, 22 Dec 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. +* +* *************************************************************************** +* +*/ + + + +#include "AGESA.h" +#include "mport.h" +#include "mm.h" +#include "mn.h" +#include "mndr.h" +#include "cpuFamRegisters.h" +#include "Filecode.h" +#define FILECODE PROC_MEM_NB_DR_MNPROTODR_FILECODE + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ +VOID +STATIC +MemNTrainFenceWHardCodeValDr ( + IN OUT MEM_NB_BLOCK *NBPtr + ); + +/* + *----------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *----------------------------------------------------------------------------- + */ + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function conditionally executes specific Phy fence training function. + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + */ + +VOID +MemPPhyFenceTrainingDr ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + if (NBPtr->GetBitField (NBPtr, BFDdr3Mode) == 0) { + //DDR2 specific. + if (NBPtr->MCTPtr->LogicalCpuid.Revision & AMD_F10_C0) { + MemNTrainFenceWHardCodeValDr (NBPtr); + } else { + MemNTrainPhyFenceNb (NBPtr); + } + } else { + //DDR3 specific. + MemNTrainPhyFenceNb (NBPtr); + } +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function executes hardcoded Phy fence training. + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + */ + +VOID +STATIC +MemNTrainFenceWHardCodeValDr ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + UINT8 Dct; + UINT8 CurDct; + UINT16 Speed; + + CurDct = NBPtr->Dct; + if (NBPtr->MCTPtr->NodeMemSize) { + for (Dct = 0; Dct < MAX_DCTS_PER_NODE_DR; Dct++) { + NBPtr->SwitchDCT (NBPtr, Dct); + Speed = NBPtr->DCTPtr->Timings.Speed; + NBPtr->SetBitField (NBPtr, BFPhyFence, ((Speed == DDR800_FREQUENCY) || (Speed == DDR1066_FREQUENCY)) ? 20 : 20); + NBPtr->SetBitField (NBPtr, BFSlowAccessMode, (NBPtr->ChannelPtr->SlowMode) ? 1 : 0); + NBPtr->SetBitField (NBPtr, BFODCControl, NBPtr->ChannelPtr->DctOdcCtl); + NBPtr->SetBitField (NBPtr, BFAddrTmgControl, NBPtr->ChannelPtr->DctAddrTmg); + } + } + + NBPtr->SwitchDCT (NBPtr, CurDct); +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function executes Node memory 1GB boundary alignment. + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * @param[in,out] *NodeSysLimit - Pointer to the NodeSysLimit + * + */ + +VOID +MemPNodeMemBoundaryDr ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN OUT UINT32 *NodeSysLimit + ) +{ + if (NBPtr->GetBitField (NBPtr, BFDdr3Mode) == 0) { + // only apply to DDR2. + if (*NodeSysLimit > ((UINT32)1 << (30 - 16))) { + // if (NodeSysLimit > 1GB) then set to Node limit to 1GB boundary for each node + *NodeSysLimit += 1; + *NodeSysLimit &= 0xFFFFC000; + *NodeSysLimit -= 1; + } + } +} + |