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/* $NoKeywords:$ */
/**
* @file
*
* mnprotoln.c
*
* Northbridge support functions for Errata and early samples
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: AGESA
* @e sub-project: (Mem/NB/LN)
* @e \$Revision: 44324 $ @e \$Date: 2010-12-22 17:16:51 +0800 (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 "mm.h"
#include "mn.h"
#include "cpuRegisters.h"
#include "Filecode.h"
CODE_GROUP (G1_PEICC)
RDATA_GROUP (G1_PEICC)
#define FILECODE PROC_MEM_NB_LN_MNPROTOLN_FILECODE
/*----------------------------------------------------------------------------
* PROTOTYPES OF LOCAL FUNCTIONS
*
*----------------------------------------------------------------------------
*/
VOID
MemNInitEarlySampleSupportLN (
IN OUT MEM_NB_BLOCK *NBPtr
);
BOOLEAN
STATIC
MemNAfterMemClkFreqValLN (
IN OUT MEM_NB_BLOCK *NBPtr,
IN OUT VOID *OptParam
);
BOOLEAN
STATIC
MemNOverridePllMultValueLN (
IN OUT MEM_NB_BLOCK *NBPtr,
IN OUT VOID *PllMult
);
BOOLEAN
STATIC
MemNOverridePllDivValueLN (
IN OUT MEM_NB_BLOCK *NBPtr,
IN OUT VOID *PllDiv
);
/*
*-----------------------------------------------------------------------------
* EXPORTED FUNCTIONS
*
*-----------------------------------------------------------------------------
*/
CONST UINT8 PllDivOverrideTab[] = {0, 0, 0, 6, 4, 3, 3, 3};
CONST UINT8 PllMultOverrideTab[] = {0, 0, 0, 48, 42, 40, 48, 56};
/* -----------------------------------------------------------------------------*/
/**
*
* This function initializes early sample support for Llano
*
* @param[in,out] NBPtr - Pointer to the MEM_NB_BLOCK
*
*/
VOID
MemNInitEarlySampleSupportLN (
IN OUT MEM_NB_BLOCK *NBPtr
)
{
if ((NBPtr->MCTPtr->LogicalCpuid.Revision & AMD_F12_LN_A0) != 0) {
if (MemNGetBitFieldNb (NBPtr, BFErratum468WorkaroundNotRequired) == 0) {
NBPtr->FamilySpecificHook[AfterMemClkFreqVal] = MemNAfterMemClkFreqValLN;
NBPtr->FamilySpecificHook[OverridePllMult] = MemNOverridePllMultValueLN;
NBPtr->FamilySpecificHook[OverridePllDiv] = MemNOverridePllDivValueLN;
}
}
if ((NBPtr->MCTPtr->LogicalCpuid.Revision & (AMD_F12_LN_A0 | AMD_F12_LN_A1)) != 0) {
NBPtr->NBRegTable[BFDoubleTrefRateEn] = 0; // Erratum 445
NBPtr->IsSupported[AdjustTwr] = TRUE; // Erratum 434
NBPtr->IsSupported[ChannelPDMode] = TRUE; // Erratum 435
NBPtr->NBRegTable[BFLowPowerDrvStrengthEn] = 0;
NBPtr->IsSupported[SkipErrTrain] = FALSE; // Rev A does not support skip error training
NBPtr->IsSupported[DramSrHys] = FALSE; // UBTS 233978
NBPtr->IsSupported[SchedDlySlot1Extra] = FALSE; // UBTS 244062
NBPtr->IsSupported[ExtraPclkInMaxRdLat] = TRUE; // UBTS 185210
NBPtr->IsSupported[AdjustTrc] = FALSE;
}
}
/*----------------------------------------------------------------------------
* LOCAL FUNCTIONS
*
*----------------------------------------------------------------------------
*/
/*-----------------------------------------------------------------------------
*
*
* This function overrides PllMult and PllDiv bitfields
*
* @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK
* @param[in,out] OptParam - Optional parameter
*
* @return TRUE
* ----------------------------------------------------------------------------
*/
BOOLEAN
STATIC
MemNAfterMemClkFreqValLN (
IN OUT MEM_NB_BLOCK *NBPtr,
IN OUT VOID *OptParam
)
{
// BIOS needs to override PllMult and PllDiv as follow:
// DDR800 48 / 6
// DDR1066 42 / 5
// DDR1333 no override
// DDR1600 48 / 3
if ((NBPtr->DCTPtr->Timings.Speed != DDR1333_FREQUENCY) && (NBPtr->DCTPtr->Timings.Speed != DDR1866_FREQUENCY)) {
MemNBrdcstSetNb (NBPtr, BFDramPhyCtlReg, (MemNGetBitFieldNb (NBPtr, BFDramPhyCtlReg) & 0x7FFF) | (
(NBPtr->DCTPtr->Timings.Speed == DDR800_FREQUENCY) ? 0x09980000 :
(NBPtr->DCTPtr->Timings.Speed == DDR1066_FREQUENCY) ? 0x02950000 : 0x08980000));
}
return TRUE;
}
/*-----------------------------------------------------------------------------
*
*
* This function overrides PllMult variable
*
* @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK
* @param[in,out] PllMult - PllMult parameter
*
* @return TRUE
* ----------------------------------------------------------------------------
*/
BOOLEAN
STATIC
MemNOverridePllMultValueLN (
IN OUT MEM_NB_BLOCK *NBPtr,
IN OUT VOID *PllMult
)
{
* (UINT8 *) PllMult = PllMultOverrideTab[NBPtr->DCTPtr->Timings.Speed / 133];
return TRUE;
}
/*-----------------------------------------------------------------------------
*
*
* This function overrides PllDiv variable
*
* @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK
* @param[in,out] PllDiv - PllDiv parameter
*
* @return TRUE
* ----------------------------------------------------------------------------
*/
BOOLEAN
STATIC
MemNOverridePllDivValueLN (
IN OUT MEM_NB_BLOCK *NBPtr,
IN OUT VOID *PllDiv
)
{
* (UINT8 *) PllDiv = PllDivOverrideTab[NBPtr->DCTPtr->Timings.Speed / 133];
return TRUE;
}
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