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Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/Mem/NB/mnmct.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/Mem/NB/mnmct.c | 1313 |
1 files changed, 1313 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Mem/NB/mnmct.c b/src/vendorcode/amd/agesa/f15tn/Proc/Mem/NB/mnmct.c new file mode 100644 index 0000000000..ad2c01e294 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/Mem/NB/mnmct.c @@ -0,0 +1,1313 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * mnmct.c + * + * Northbridge Common MCT supporting functions + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/NB) + * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ + * + **/ +/***************************************************************************** +* +* Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. +* +* AMD is granting you permission to use this software (the Materials) +* pursuant to the terms and conditions of your Software License Agreement +* with AMD. This header does *NOT* give you permission to use the Materials +* or any rights under AMD's intellectual property. Your use of any portion +* of these Materials shall constitute your acceptance of those terms and +* conditions. If you do not agree to the terms and conditions of the Software +* License Agreement, please do not use any portion of these Materials. +* +* CONFIDENTIALITY: The Materials and all other information, identified as +* confidential and provided to you by AMD shall be kept confidential in +* accordance with the terms and conditions of the Software License Agreement. +* +* LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION +* PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED +* WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF +* MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE, +* OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE. +* IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER +* (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS +* INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE, +* GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER +* RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF +* THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE +* EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, +* THE ABOVE LIMITATION MAY NOT APPLY TO YOU. +* +* AMD does not assume any responsibility for any errors which may appear in +* the Materials or any other related information provided to you by AMD, or +* result from use of the Materials or any related information. +* +* You agree that you will not reverse engineer or decompile the Materials. +* +* NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any +* further information, software, technical information, know-how, or show-how +* available to you. Additionally, AMD retains the right to modify the +* Materials at any time, without notice, and is not obligated to provide such +* modified Materials to you. +* +* U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with +* "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is +* subject to the restrictions as set forth in FAR 52.227-14 and +* DFAR252.227-7013, et seq., or its successor. Use of the Materials by the +* Government constitutes acknowledgement of AMD's proprietary rights in them. +* +* EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any +* direct product thereof will be exported directly or indirectly, into any +* country prohibited by the United States Export Administration Act and the +* regulations thereunder, without the required authorization from the U.S. +* government nor will be used for any purpose prohibited by the same. +* *************************************************************************** +* +*/ + +/* + *---------------------------------------------------------------------------- + * MODULES USED + * + *---------------------------------------------------------------------------- + */ + + + +#include "AGESA.h" +#include "amdlib.h" +#include "Ids.h" +#include "mport.h" +#include "mm.h" +#include "mn.h" +#include "mu.h" +#include "OptionMemory.h" +#include "PlatformMemoryConfiguration.h" +#include "GeneralServices.h" +#include "cpuFeatures.h" +#include "merrhdl.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_MEM_NB_MNMCT_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ +#define _16MB_RJ16 0x0100 + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ +BOOLEAN +STATIC +MemNSetMTRRrangeNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT32 Base, + IN OUT UINT32 *LimitPtr, + IN UINT32 MtrrAddr, + IN UINT8 MtrrType + ); + +/*---------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *---------------------------------------------------------------------------- + */ +extern BUILD_OPT_CFG UserOptions; + +/* -----------------------------------------------------------------------------*/ +/** + * + * Get max frequency from OEM platform definition, from + * any user override (limiting) of max frequency, and + * from any Si Revision Specific information. Return + * the least of these three in DIE_STRUCT.Timings.TargetSpeed. + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + */ + +VOID +MemNSyncTargetSpeedNb ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + CONST UINT16 DdrMaxRateTab[] = { + UNSUPPORTED_DDR_FREQUENCY, + DDR1600_FREQUENCY, + DDR1333_FREQUENCY, + DDR1066_FREQUENCY, + DDR800_FREQUENCY, + DDR667_FREQUENCY, + DDR533_FREQUENCY, + DDR400_FREQUENCY + }; + + UINT8 Dct; + UINT8 Channel; + UINT16 MinSpeed; + UINT16 DdrMaxRate; + DCT_STRUCT *DCTPtr; + USER_MEMORY_TIMING_MODE *ChnlTmgMod; + USER_MEMORY_TIMING_MODE Mode[MAX_CHANNELS_PER_SOCKET]; + MEMORY_BUS_SPEED MemClkFreq; + MEMORY_BUS_SPEED ProposedFreq; + + ASSERT (NBPtr->DctCount <= sizeof (Mode)); + MinSpeed = 16000; + DdrMaxRate = 16000; + if (NBPtr->IsSupported[CheckMaxDramRate]) { + // Check maximum DRAM data rate that the processor is designed to support. + DdrMaxRate = DdrMaxRateTab[MemNGetBitFieldNb (NBPtr, BFDdrMaxRate)]; + NBPtr->FamilySpecificHook[GetDdrMaxRate] (NBPtr, &DdrMaxRate); + IDS_OPTION_HOOK (IDS_SKIP_FUSED_MAX_RATE, &DdrMaxRate, &NBPtr->MemPtr->StdHeader); + } + + for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { + MemNSwitchDCTNb (NBPtr, Dct); + DCTPtr = NBPtr->DCTPtr; + + // Check if input user time mode is valid or not + ASSERT ((NBPtr->RefPtr->UserTimingMode == TIMING_MODE_SPECIFIC) || + (NBPtr->RefPtr->UserTimingMode == TIMING_MODE_LIMITED) || + (NBPtr->RefPtr->UserTimingMode == TIMING_MODE_AUTO)); + Mode[Dct] = NBPtr->RefPtr->UserTimingMode; + // Check if input clock value is valid or not + ASSERT ((NBPtr->ChannelPtr->TechType == DDR3_TECHNOLOGY) ? + (NBPtr->RefPtr->MemClockValue >= DDR667_FREQUENCY) : + (NBPtr->RefPtr->MemClockValue <= DDR1066_FREQUENCY)); + MemClkFreq = NBPtr->RefPtr->MemClockValue; + if (DCTPtr->Timings.DctDimmValid != 0) { + Channel = MemNGetSocketRelativeChannelNb (NBPtr, Dct, 0); + ChnlTmgMod = (USER_MEMORY_TIMING_MODE *) FindPSOverrideEntry (NBPtr->RefPtr->PlatformMemoryConfiguration, PSO_BUS_SPEED, NBPtr->MCTPtr->SocketId, Channel, 0, + &(NBPtr->MCTPtr->LogicalCpuid), &(NBPtr->MemPtr->StdHeader)); + if (ChnlTmgMod != NULL) { + // Check if input user timing mode is valid or not + ASSERT ((ChnlTmgMod[0] == TIMING_MODE_SPECIFIC) || (ChnlTmgMod[0] == TIMING_MODE_LIMITED) || + (ChnlTmgMod[0] != TIMING_MODE_AUTO)); + if (ChnlTmgMod[0] != TIMING_MODE_AUTO) { + Mode[Dct] = ChnlTmgMod[0]; + // Check if input clock value is valid or not + ASSERT ((NBPtr->ChannelPtr->TechType == DDR3_TECHNOLOGY) ? + ((MEMORY_BUS_SPEED)ChnlTmgMod[1] >= DDR667_FREQUENCY) : + ((MEMORY_BUS_SPEED)ChnlTmgMod[1] <= DDR1066_FREQUENCY)); + MemClkFreq = (MEMORY_BUS_SPEED)ChnlTmgMod[1]; + } + } + + ProposedFreq = UserOptions.CfgMemoryBusFrequencyLimit; + if (Mode[Dct] == TIMING_MODE_LIMITED) { + if (MemClkFreq < ProposedFreq) { + ProposedFreq = MemClkFreq; + } + } else if (Mode[Dct] == TIMING_MODE_SPECIFIC) { + ProposedFreq = MemClkFreq; + } + + if (Mode[Dct] == TIMING_MODE_SPECIFIC) { + DCTPtr->Timings.TargetSpeed = (UINT16) ProposedFreq; + } else { + // "limit" mode + if (DCTPtr->Timings.TargetSpeed > ProposedFreq) { + DCTPtr->Timings.TargetSpeed = (UINT16) ProposedFreq; + } + } + + NBPtr->MemNCapSpeedBatteryLife (NBPtr); + + if (DCTPtr->Timings.TargetSpeed > DdrMaxRate) { + if (Mode[Dct] == TIMING_MODE_SPECIFIC) { + PutEventLog (AGESA_ALERT, MEM_ALERT_USER_TMG_MODE_OVERRULED, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader); + SetMemError (AGESA_ALERT, NBPtr->MCTPtr); + } + DCTPtr->Timings.TargetSpeed = DdrMaxRate; + } + + IDS_SKIP_HOOK (IDS_POR_MEM_FREQ, NBPtr, &NBPtr->MemPtr->StdHeader) { + // + //Call Platform POR Frequency Override + // + if (!MemProcessConditionalOverrides (NBPtr->RefPtr->PlatformMemoryConfiguration, NBPtr, PSO_ACTION_SPEEDLIMIT, ALL_DIMMS)) { + // + // Get the POR frequency limit + // + NBPtr->PsPtr->MemPGetPORFreqLimit (NBPtr); + } + } + IDS_OPTION_HOOK (IDS_STRETCH_FREQUENCY_LIMIT, NBPtr, &NBPtr->MemPtr->StdHeader); + + if (MinSpeed > DCTPtr->Timings.TargetSpeed) { + MinSpeed = DCTPtr->Timings.TargetSpeed; + } + } + } + + if (MinSpeed == DDR667_FREQUENCY) { + NBPtr->StartupSpeed = DDR667_FREQUENCY; + } + + // Sync all DCTs to the same speed + for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { + MemNSwitchDCTNb (NBPtr, Dct); + NBPtr->DCTPtr->Timings.TargetSpeed = MinSpeed; + } +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function waits for all DCTs to be ready + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + * @return TRUE - No fatal error occurs. + * @return FALSE - Fatal error occurs. + */ + +BOOLEAN +MemNSyncDctsReadyNb ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + if (NBPtr->MCTPtr->DimmValid) { + MemNPollBitFieldNb (NBPtr, BFDramEnabled, 1, PCI_ACCESS_TIMEOUT, FALSE); + // Re-enable phy compensation engine after Dram init has completed + MemNSwitchDCTNb (NBPtr, 0); + MemNSetBitFieldNb (NBPtr, BFDisAutoComp, 0); + } + // Wait 750 us for the phy compensation engine to reinitialize. + MemUWait10ns (75000, NBPtr->MemPtr); + + MemNSyncAddrMapToAllNodesNb (NBPtr); + return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL); +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function create the HT memory map + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + * @return TRUE - No fatal error occurs. + * @return FALSE - Fatal error occurs. + */ + +BOOLEAN +MemNHtMemMapInitNb ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + UINT32 BottomIo; + UINT32 HoleOffset; + UINT32 DctSelBaseAddr; + UINT32 NodeSysBase; + UINT32 NodeSysLimit; + MEM_PARAMETER_STRUCT *RefPtr; + DIE_STRUCT *MCTPtr; + + RefPtr = NBPtr->RefPtr; + MCTPtr = NBPtr->MCTPtr; + // + // Physical addresses in this function are right adjusted by 16 bits ([47:16]) + // They are BottomIO, HoleOffset, DctSelBaseAddr, NodeSysBase, NodeSysLimit. + // + + // Enforce bottom of IO be be 128MB aligned + ASSERT ((RefPtr->BottomIo < (_4GB_RJ16 >> 8)) && (RefPtr->BottomIo != 0)); + BottomIo = (RefPtr->BottomIo & 0xF8) << 8; + + if (!MCTPtr->GangedMode) { + DctSelBaseAddr = MCTPtr->DctData[0].Timings.DctMemSize; + } else { + DctSelBaseAddr = 0; + } + + if (MCTPtr->NodeMemSize) { + NodeSysBase = NBPtr->SharedPtr->CurrentNodeSysBase; + NodeSysLimit = NodeSysBase + MCTPtr->NodeMemSize - 1; + DctSelBaseAddr += NodeSysBase; + + if ((NBPtr->IsSupported[ForceEnMemHoleRemapping]) || (RefPtr->MemHoleRemapping)) { + if ((NodeSysBase < BottomIo) && (NodeSysLimit >= BottomIo)) { + // HW Dram Remap + MCTPtr->Status[SbHWHole] = TRUE; + RefPtr->GStatus[GsbHWHole] = TRUE; + MCTPtr->NodeHoleBase = BottomIo; + RefPtr->HoleBase = BottomIo; + + HoleOffset = _4GB_RJ16 - BottomIo; + + NodeSysLimit += HoleOffset; + + if ((DctSelBaseAddr > 0) && (DctSelBaseAddr < BottomIo)) { + HoleOffset += DctSelBaseAddr; + } else { + if (DctSelBaseAddr >= BottomIo) { + DctSelBaseAddr += HoleOffset; + } + HoleOffset += NodeSysBase; + } + + MemNSetBitFieldNb (NBPtr, BFDramHoleBase, BottomIo >> 8); + MemNSetBitFieldNb (NBPtr, BFDramHoleOffset, HoleOffset >> 7); + MemNSetBitFieldNb (NBPtr, BFDramHoleValid, 1); + + } else if (NodeSysBase == BottomIo) { + // SW Node Hoist + MCTPtr->Status[SbSWNodeHole] = TRUE; + RefPtr->GStatus[GsbSpIntRemapHole] = TRUE; + RefPtr->GStatus[GsbSoftHole] = TRUE; + + RefPtr->HoleBase = NodeSysBase; + DctSelBaseAddr = _4GB_RJ16 + (DctSelBaseAddr - NodeSysBase); + NodeSysLimit = _4GB_RJ16 + (NodeSysLimit - NodeSysBase); + NodeSysBase = _4GB_RJ16; + + } else if ((NodeSysBase < HT_REGION_BASE_RJ16) && (NodeSysLimit >= HT_REGION_BASE_RJ16)) { + if (!NBPtr->SharedPtr->UndoHoistingAbove1TB) { + // SW Hoisting above 1TB to avoid HT Reserved region + DctSelBaseAddr = _1TB_RJ16 + (DctSelBaseAddr - NodeSysBase); + NodeSysLimit = _1TB_RJ16 + (NodeSysLimit - NodeSysBase); + NodeSysBase = _1TB_RJ16; + + if (RefPtr->LimitMemoryToBelow1Tb) { + // Flag to undo 1TB hoisting after training + NBPtr->SharedPtr->UndoHoistingAbove1TB = TRUE; + } + } + + } else { + // No Remapping. Normal Contiguous mapping + } + } else { + // No Remapping. Normal Contiguous mapping + } + + if (NBPtr->IsSupported[Check1GAlign]) { + if (UserOptions.CfgNodeMem1GBAlign) { + NBPtr->MemPNodeMemBoundaryNb (NBPtr, (UINT32 *)&NodeSysLimit); + } + } + + MCTPtr->NodeSysBase = NodeSysBase; + MCTPtr->NodeSysLimit = NodeSysLimit; + RefPtr->SysLimit = NodeSysLimit; + RefPtr->Sub1THoleBase = (NodeSysLimit < HT_REGION_BASE_RJ16) ? (NodeSysLimit + 1) : RefPtr->Sub1THoleBase; + IDS_OPTION_HOOK (IDS_MEM_SIZE_OVERLAY, NBPtr, &NBPtr->MemPtr->StdHeader); + + NBPtr->SharedPtr->TopNode = NBPtr->Node; + + NBPtr->SharedPtr->NodeMap[NBPtr->Node].IsValid = TRUE; + NBPtr->SharedPtr->NodeMap[NBPtr->Node].SysBase = NodeSysBase; + NBPtr->SharedPtr->NodeMap[NBPtr->Node].SysLimit = NodeSysLimit & 0xFFFFFF00; + + MemNSetBitFieldNb (NBPtr, BFDramBaseAddr, NodeSysBase >> (27 - 16)); + MemNSetBitFieldNb (NBPtr, BFDramLimitAddr, NodeSysLimit >> (27 - 16)); + + if ((MCTPtr->DctData[1].Timings.DctMemSize != 0) && (!NBPtr->Ganged)) { + MemNSetBitFieldNb (NBPtr, BFDctSelBaseAddr, DctSelBaseAddr >> 11); + MemNSetBitFieldNb (NBPtr, BFDctSelHiRngEn, 1); + MemNSetBitFieldNb (NBPtr, BFDctSelHi, 1); + MemNSetBitFieldNb (NBPtr, BFDctSelBaseOffset, DctSelBaseAddr >> 10); + } + + NBPtr->SharedPtr->CurrentNodeSysBase = (NodeSysLimit + 1) & 0xFFFFFFF0; + } + return (BOOLEAN) (MCTPtr->ErrCode < AGESA_FATAL); +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * Program system DRAM map to this node + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + */ + +VOID +MemNSyncAddrMapToAllNodesNb ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + UINT8 Node; + UINT32 NodeSysBase; + UINT32 NodeSysLimit; + UINT8 WeReMask; + MEM_PARAMETER_STRUCT *RefPtr; + + RefPtr = NBPtr->RefPtr; + for (Node = 0; Node < NBPtr->NodeCount; Node++) { + NodeSysBase = NBPtr->SharedPtr->NodeMap[Node].SysBase; + NodeSysLimit = NBPtr->SharedPtr->NodeMap[Node].SysLimit; + if (NBPtr->SharedPtr->NodeMap[Node].IsValid) { + WeReMask = 3; + } else { + WeReMask = 0; + } + // Set the Dram base and set the WE and RE flags in the base. + MemNSetBitFieldNb (NBPtr, BFDramBaseReg0 + Node, (NodeSysBase << 8) | WeReMask); + MemNSetBitFieldNb (NBPtr, BFDramBaseHiReg0 + Node, NodeSysBase >> 24); + // Set the Dram limit and set DstNode. + MemNSetBitFieldNb (NBPtr, BFDramLimitReg0 + Node, (NodeSysLimit << 8) | Node); + MemNSetBitFieldNb (NBPtr, BFDramLimitHiReg0 + Node, NodeSysLimit >> 24); + + if (RefPtr->GStatus[GsbHWHole]) { + MemNSetBitFieldNb (NBPtr, BFDramMemHoistValid, 1); + MemNSetBitFieldNb (NBPtr, BFDramHoleBase, (RefPtr->HoleBase >> 8)); + } + } + + NBPtr->FamilySpecificHook[InitExtMMIOAddr] (NBPtr, NULL); +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function enables power down mode + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + */ + +VOID +MemNPowerDownCtlNb ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + MEM_PARAMETER_STRUCT *RefPtr; + UINT8 PowerDownMode; + + RefPtr = NBPtr->RefPtr; + + // we can't enable powerdown mode when doing WL + if (RefPtr->EnablePowerDown) { + MemNSetBitFieldNb (NBPtr, BFPowerDownEn, 1); + PowerDownMode = (UINT8) ((UserOptions.CfgPowerDownMode == POWER_DOWN_MODE_AUTO) ? POWER_DOWN_BY_CHANNEL : UserOptions.CfgPowerDownMode); + IDS_OPTION_HOOK (IDS_POWERDOWN_MODE, &PowerDownMode, &(NBPtr->MemPtr->StdHeader)); + if (PowerDownMode) { + MemNSetBitFieldNb (NBPtr, BFPowerDownMode, 1); + } + } +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function gets the Optimal Critical Gross Delay Difference between + * the delay parameters across all Dimms on each bytelane. Then takes the + * largest of all the bytelanes. + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * @param[in] TrnDly1 - Type of first Gross Delay parameter + * @param[in] TrnDly2 - Type of second Gross Delay parameter + * + * @return The largest difference between the largest and smallest + * of the two Gross delay types within a single bytelane + */ +INT8 +MemNGetOptimalCGDDNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN TRN_DLY_TYPE TrnDly1, + IN TRN_DLY_TYPE TrnDly2 + ) +{ + INT8 CGDD; + INT8 GDD; + UINT8 Dimm1; + UINT8 Dimm2; + UINT8 ByteLane; + UINT16 CsEnabled; + BOOLEAN CGDDInit; + BOOLEAN SameDelayType; + + CGDD = 0; + CGDDInit = FALSE; + SameDelayType = (BOOLEAN) (TrnDly1 == TrnDly2); + CsEnabled = NBPtr->DCTPtr->Timings.CsEnabled; + + // If the two delay types compared are the same type, then no need to compare the same + // pair twice. Adjustments are made in the upper bound and lower bound of the loop to + // handle this. + for (Dimm1 = 0; Dimm1 < (SameDelayType ? (MAX_DIMMS_PER_CHANNEL - 1) : MAX_DIMMS_PER_CHANNEL); Dimm1 ++) { + if (CsEnabled & (UINT16) (3 << (Dimm1 << 1))) { + for (Dimm2 = (SameDelayType ? (Dimm1 + 1) : 0); Dimm2 < MAX_DIMMS_PER_CHANNEL; Dimm2 ++) { + if ((CsEnabled & (UINT16) (3 << (Dimm2 << 1)))) { + for (ByteLane = 0 ; ByteLane < 8 ; ByteLane++) { + // check each byte lane delay pair + GDD = (UINT8) (NBPtr->GetTrainDly (NBPtr, TrnDly1, DIMM_BYTE_ACCESS (Dimm1, ByteLane)) >> 5) - + (UINT8) (NBPtr->GetTrainDly (NBPtr, TrnDly2, DIMM_BYTE_ACCESS (Dimm2, ByteLane)) >> 5); + // If the 2 delay types to be compared are the same, then keep the absolute difference + if (SameDelayType && (GDD < 0)) { + GDD = (-GDD); + } + + // If CGDD is yet to be initialized, initialize it + // Otherwise, keep the largest difference so far + CGDD = (!CGDDInit) ? GDD : ((CGDD > GDD) ? CGDD : GDD); + if (!CGDDInit) { + CGDDInit = TRUE; + } + } + } + } + } + } + return CGDD; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function calculates the critical delay difference (CDD) + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * @param[in] TrnDlyType1 - Type of first Gross Delay parameter + * @param[in] TrnDlyType2 - Type of second Gross Delay parameter + * @param[in] SameDimm - CDD of same DIMMs + * @param[in] DiffDimm - CDD of different DIMMs + * + * @return CDD term - in 1/2 MEMCLK + */ +INT16 +MemNCalcCDDNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN TRN_DLY_TYPE TrnDlyType1, + IN TRN_DLY_TYPE TrnDlyType2, + IN BOOLEAN SameDimm, + IN BOOLEAN DiffDimm + ) +{ + INT16 CDD; + INT16 CDDtemp; + UINT16 TrnDly1; + UINT16 TrnDly2; + UINT8 i; + UINT8 j; + UINT8 ByteLane; + UINT16 CsEnabled; + BOOLEAN SameDlyType; + + SameDlyType = (BOOLEAN) (TrnDlyType1 == TrnDlyType2); + CsEnabled = NBPtr->DCTPtr->Timings.CsEnabled; + CDD = -127; + // If the two delay types compared are the same type, then no need to compare the same + // pair twice. Adjustments are made in the upper bound and lower bound of the loop to + // handle this. + for (i = 0; i < (SameDlyType ? (NBPtr->CsPerChannel - NBPtr->CsPerDelay) : NBPtr->CsPerChannel); i = i + NBPtr->CsPerDelay) { + if ((CsEnabled & ((UINT16) ((NBPtr->CsPerDelay == 2) ? 3 : 1) << i)) != 0) { + for (j = SameDlyType ? (i + NBPtr->CsPerDelay) : 0; j < NBPtr->CsPerChannel; j = j + NBPtr->CsPerDelay) { + if (((CsEnabled & ((UINT16) ((NBPtr->CsPerDelay == 2)? 3 : 1) << j)) != 0) && + ((SameDimm && ((i / 2) == (j / 2))) || (DiffDimm && ((i / 2) != (j / 2))))) { + for (ByteLane = 0; ByteLane < ((NBPtr->MCTPtr->Status[SbEccDimms] && NBPtr->IsSupported[EccByteTraining]) ? 9 : 8); ByteLane++) { + /// @todo: Gross delay mask should not be constant. + TrnDly1 = GetTrainDlyFromHeapNb (NBPtr, TrnDlyType1, DIMM_BYTE_ACCESS (i / NBPtr->CsPerDelay, ByteLane)) >> 5; // Gross delay only + TrnDly2 = GetTrainDlyFromHeapNb (NBPtr, TrnDlyType2, DIMM_BYTE_ACCESS (j / NBPtr->CsPerDelay, ByteLane)) >> 5; // Gross delay only + + CDDtemp = TrnDly1 - TrnDly2; + // If the 2 delay types to be compared are the same, then keep the absolute difference + if ((SameDlyType) && (CDDtemp < 0)) { + CDDtemp = (-CDDtemp); + } + + CDD = (CDD < CDDtemp) ? CDDtemp : CDD; + } + } + } + } + } + + return CDD; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function gets DQS timing from data saved in heap. + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * @param[in] TrnDlyType - type of delay to be set + * @param[in] Drbn - encoding of Dimm-Rank-Byte-Nibble to be accessed + * (use either DIMM_BYTE_ACCESS(dimm,byte) or CS_NBBL_ACCESS(cs,nibble) to use this encoding + * + * @return value of the target timing. + */ +UINT16 +GetTrainDlyFromHeapNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN TRN_DLY_TYPE TrnDlyType, + IN DRBN Drbn + ) +{ + UINT8 Dimm; + UINT8 Byte; + UINT16 TrainDly; + CH_DEF_STRUCT *ChannelPtr; + MEM_TECH_BLOCK *TechPtr; + + Dimm = DRBN_DIMM (Drbn); + Byte = DRBN_BYTE (Drbn); + ChannelPtr = NBPtr->ChannelPtr; + TechPtr = NBPtr->TechPtr; + + ASSERT (Dimm < (NBPtr->CsPerChannel / NBPtr->CsPerDelay)); + ASSERT (Byte <= ECC_DLY); + + if (NBPtr->MemPstate == MEMORY_PSTATE1) { + switch (TrnDlyType) { + case AccessRcvEnDly: + TrainDly = ChannelPtr->RcvEnDlysMemPs1[Dimm * TechPtr->DlyTableWidth () + Byte]; + break; + case AccessWrDqsDly: + TrainDly = ChannelPtr->WrDqsDlysMemPs1[Dimm * TechPtr->DlyTableWidth () + Byte]; + break; + case AccessWrDatDly: + TrainDly = ChannelPtr->WrDatDlysMemPs1[Dimm * TechPtr->DlyTableWidth () + Byte]; + break; + case AccessRdDqsDly: + TrainDly = ChannelPtr->RdDqsDlysMemPs1[Dimm * TechPtr->DlyTableWidth () + Byte]; + break; + default: + TrainDly = 0; + IDS_ERROR_TRAP; + } + } else { + switch (TrnDlyType) { + case AccessRcvEnDly: + TrainDly = ChannelPtr->RcvEnDlys[Dimm * TechPtr->DlyTableWidth () + Byte]; + break; + case AccessWrDqsDly: + TrainDly = ChannelPtr->WrDqsDlys[Dimm * TechPtr->DlyTableWidth () + Byte]; + break; + case AccessWrDatDly: + TrainDly = ChannelPtr->WrDatDlys[Dimm * TechPtr->DlyTableWidth () + Byte]; + break; + case AccessRdDqsDly: + TrainDly = ChannelPtr->RdDqsDlys[Dimm * TechPtr->DlyTableWidth () + Byte]; + break; + default: + TrainDly = 0; + IDS_ERROR_TRAP; + } + } + + return TrainDly; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function sets the fixed MTRRs for common legacy ranges. + * It sets TOP_MEM and TOM2 and some variable MTRRs with WB Uncacheable type. + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + * @return TRUE - An Error value lower than AGESA_FATAL may have occurred + * @return FALSE - An Error value greater than or equal to AGESA_FATAL may have occurred + */ + +BOOLEAN +MemNCPUMemTypingNb ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + UINT32 Bottom32bIO; + UINT32 Bottom40bIO; + UINT32 Cache32bTOP; + S_UINT64 SMsr; + + MEM_DATA_STRUCT *MemPtr; + MEM_PARAMETER_STRUCT *RefPtr; + RefPtr = NBPtr->RefPtr; + MemPtr = NBPtr->MemPtr; + + // + //====================================================================== + // Set temporary top of memory from Node structure data. + // Adjust temp top of memory down to accommodate 32-bit IO space. + //====================================================================== + //Bottom40bIO=top of memory, right justified 16 bits (defines dram versus IO space type) + //Bottom32bIO=sub 4GB top of memory, right justified 16 bits (defines dram versus IO space type) + //Cache32bTOP=sub 4GB top of WB cacheable memory, right justified 16 bits + // + if (RefPtr->HoleBase != 0) { + Bottom32bIO = RefPtr->HoleBase; + } else if (RefPtr->BottomIo != 0) { + Bottom32bIO = (UINT32)RefPtr->BottomIo << (24 - 16); + } else { + Bottom32bIO = (UINT32)1 << (24 - 16); + } + + Cache32bTOP = RefPtr->SysLimit + 1; + if (Cache32bTOP < _4GB_RJ16) { + Bottom40bIO = 0; + if (Bottom32bIO >= Cache32bTOP) { + Bottom32bIO = Cache32bTOP; + } + } else { + Bottom40bIO = Cache32bTOP; + } + + Cache32bTOP = Bottom32bIO; + + + // + //====================================================================== + // Set default values for CPU registers + //====================================================================== + // + LibAmdMsrRead (SYS_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader); + SMsr.lo |= 0x1C0000; // turn on modification enable bit and + // mtrr enable bits + LibAmdMsrWrite (SYS_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader); + + SMsr.lo = SMsr.hi = 0x1E1E1E1E; + LibAmdMsrWrite (0x250, (UINT64 *)&SMsr, &MemPtr->StdHeader); // 0 - 512K = WB Mem + LibAmdMsrWrite (0x258, (UINT64 *)&SMsr, &MemPtr->StdHeader); // 512K - 640K = WB Mem + + // + //====================================================================== + // Set variable MTRR values + //====================================================================== + // + MemNSetMTRRrangeNb (NBPtr, 0, &Cache32bTOP, 0x200, 6); + + RefPtr->Sub4GCacheTop = Cache32bTOP << 16; + + // + //====================================================================== + // Set TOP_MEM and TOM2 CPU registers + //====================================================================== + // + SMsr.hi = Bottom32bIO >> (32 - 16); + SMsr.lo = Bottom32bIO << 16; + LibAmdMsrWrite (TOP_MEM, (UINT64 *)&SMsr, &MemPtr->StdHeader); + IDS_HDT_CONSOLE (MEM_FLOW, "TOP_MEM: %08x0000\n", Bottom32bIO); + + if (Bottom40bIO) { + SMsr.hi = Bottom40bIO >> (32 - 16); + SMsr.lo = Bottom40bIO << 16; + } else { + SMsr.hi = 0; + SMsr.lo = 0; + } + LibAmdMsrWrite (TOP_MEM2, (UINT64 *)&SMsr, &MemPtr->StdHeader); + + LibAmdMsrRead (SYS_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader); + if (Bottom40bIO) { + IDS_HDT_CONSOLE (MEM_FLOW, "TOP_MEM2: %08x0000\n", Bottom40bIO); + IDS_HDT_CONSOLE (MEM_FLOW, "Sub1THoleBase: %08x0000\n", RefPtr->Sub1THoleBase); + // Enable TOM2 + SMsr.lo |= 0x00600000; + } else { + // Disable TOM2 + SMsr.lo &= ~0x00600000; + } + SMsr.lo &= 0xFFF7FFFF; // turn off modification enable bit + LibAmdMsrWrite (SYS_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader); + + return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL); +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function runs on the BSP only, it sets the fixed MTRRs for common legacy ranges. + * It sets TOP_MEM and TOM2 and some variable MTRRs with WB Uncacheable type. + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + */ + +VOID +MemNUMAMemTypingNb ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + UINT32 Bottom32bIO; + UINT32 Bottom32bUMA; + UINT32 Cache32bTOP; + UINT32 Value32; + UINT8 BitCount; + UINT8 i; + + MEM_PARAMETER_STRUCT *RefPtr; + RefPtr = NBPtr->RefPtr; + BitCount = 0; + // + //====================================================================== + // Adjust temp top of memory down to accommodate UMA memory start + //====================================================================== + // Bottom32bIO=sub 4GB top of memory, right justified 16 bits (defines dram versus IO space type) + // Cache32bTOP=sub 4GB top of WB cacheable memory, right justified 16 bits + // + Bottom32bIO = RefPtr->Sub4GCacheTop >> 16; + Bottom32bUMA = RefPtr->UmaBase; + + if (Bottom32bUMA < Bottom32bIO) { + Cache32bTOP = Bottom32bUMA; + RefPtr->Sub4GCacheTop = Bottom32bUMA << 16; + // + //====================================================================== + //Set variable MTRR values + //====================================================================== + // + Value32 = Cache32bTOP; + //Pre-check the bit count of bottom Uma to see if it is potentially running out of Mtrr while typing. + while (Value32 != 0) { + i = LibAmdBitScanForward (Value32); + Value32 &= ~ (1 << i); + BitCount++; + } + + if (BitCount > 5) { + NBPtr->RefPtr->GStatus[GsbMTRRshort] = TRUE; + MemNSetMTRRUmaRegionUCNb (NBPtr, &Cache32bTOP, &Bottom32bIO); + } else { + MemNSetMTRRrangeNb (NBPtr, 0, &Cache32bTOP, 0x200, 6); + } + } +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * Program MTRRs to describe given range as given cache type. Use MTRR pairs + * starting with the given MTRRphys Base address, and use as many as is + * required up to (excluding) MSR 020C, which is reserved for OS. + * + * "Limit" in the context of this procedure is not the numerically correct + * limit, but rather the Last address+1, for purposes of coding efficiency + * and readability. Size of a region is then Limit-Base. + * + * 1. Size of each range must be a power of two + * 2. Each range must be naturally aligned (Base is same as size) + * + * There are two code paths: the ascending path and descending path (analogous + * to bsf and bsr), where the next limit is a function of the next set bit in + * a forward or backward sequence of bits (as a function of the Limit). We + * start with the ascending path, to ensure that regions are naturally aligned, + * then we switch to the descending path to maximize MTRR usage efficiency. + * Base=0 is a special case where we start with the descending path. + * Correct Mask for region is 2comp(Size-1)-1, + * which is 2comp(Limit-Base-1)-1 * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * @param[in] Base - Base address[47:16] of specified range. + * @param[in] *LimitPtr - Limit address[47:16] of specified range. + * @param[in] MtrrAddr - address of var MTRR pair to start using. + * @param[in] MtrrType - Cache type for the range. + * + * @return TRUE - No failure occurred + * @return FALSE - Failure occurred because run out of variable-size MTRRs before completion. + */ + +BOOLEAN +STATIC +MemNSetMTRRrangeNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT32 Base, + IN OUT UINT32 *LimitPtr, + IN UINT32 MtrrAddr, + IN UINT8 MtrrType + ) +{ + S_UINT64 SMsr; + UINT32 CurBase; + UINT32 CurLimit; + UINT32 CurSize; + UINT32 CurAddr; + UINT32 Value32; + + CurBase = Base; + CurLimit = *LimitPtr; + CurAddr = MtrrAddr; + + while ((CurAddr >= 0x200) && (CurAddr < 0x20A) && (CurBase < *LimitPtr)) { + CurSize = CurLimit = (UINT32)1 << LibAmdBitScanForward (CurBase); + CurLimit += CurBase; + if ((CurBase == 0) || (*LimitPtr < CurLimit)) { + CurLimit = *LimitPtr - CurBase; + CurSize = CurLimit = (UINT32)1 << LibAmdBitScanReverse (CurLimit); + CurLimit += CurBase; + } + + // prog. MTRR with current region Base + SMsr.lo = (CurBase << 16) | (UINT32)MtrrType; + SMsr.hi = CurBase >> (32 - 16); + LibAmdMsrWrite (CurAddr, (UINT64 *)&SMsr, &NBPtr->MemPtr->StdHeader); + + // prog. MTRR with current region Mask + CurAddr++; // other half of MSR pair + Value32 = CurSize - (UINT32)1; + Value32 = ~Value32; + SMsr.hi = (Value32 >> (32 - 16)) & NBPtr->VarMtrrHiMsk; + SMsr.lo = (Value32 << 16) | ((UINT32)1 << MTRR_VALID); + LibAmdMsrWrite (CurAddr, (UINT64 *)&SMsr, &NBPtr->MemPtr->StdHeader); + + CurBase = CurLimit; + CurAddr++; // next MSR pair + } + + if (CurLimit < *LimitPtr) { + // Announce failure + *LimitPtr = CurLimit; + IDS_ERROR_TRAP; + } + + while ((CurAddr >= 0x200) && (CurAddr < 0x20C)) { + SMsr.lo = SMsr.hi = 0; + LibAmdMsrWrite (CurAddr, (UINT64 *)&SMsr, &NBPtr->MemPtr->StdHeader); + CurAddr++; + } + + return TRUE; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * Program one MTRR to describe Uma region as UC cache type if we detect running out of + * Mtrr circumstance. + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * @param[in] *BasePtr - Base address[47:24] of specified range. + * @param[in] *LimitPtr - Limit address[47:24] of specified range. + * + * @return TRUE - No fatal error occurs. + * @return FALSE - Fatal error occurs. + */ +BOOLEAN +MemNSetMTRRUmaRegionUCNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT32 *BasePtr, + IN OUT UINT32 *LimitPtr + ) +{ + S_UINT64 SMsr; + UINT32 Mtrr; + UINT32 Size; + UINT32 Value32; + + Size = *LimitPtr - *BasePtr; + // Check if Size is a power of 2 + if ((Size & (Size - 1)) != 0) { + for (Mtrr = 0x200; Mtrr < 0x20A; Mtrr += 2) { + LibAmdMsrRead (Mtrr + 1, (UINT64 *)&SMsr, &NBPtr->MemPtr->StdHeader); + if ((SMsr.lo & ((UINT32) 1 << 11)) == 0) { + MemNSetMTRRrangeNb (NBPtr, *BasePtr, LimitPtr, Mtrr, 0); + break; + } + } + if (Mtrr == 0x20A) { + // Run out of MTRRs + IDS_ERROR_TRAP; + } + } else { + Mtrr = 0x20A; //Reserved pair of MTRR for UMA region. + + // prog. MTRR with current region Base + SMsr.lo = *BasePtr << 16; + SMsr.hi = *BasePtr >> (32 - 16); + LibAmdMsrWrite (Mtrr, (UINT64 *)&SMsr, &NBPtr->MemPtr->StdHeader); + + // prog. MTRR with current region Mask + Mtrr++; // other half of MSR pair + Value32 = Size - (UINT32)1; + Value32 = ~Value32; + SMsr.hi = (Value32 >> (32 - 16)) & NBPtr->VarMtrrHiMsk; + SMsr.lo = (Value32 << 16) | ((UINT32)1 << MTRR_VALID); + LibAmdMsrWrite (Mtrr, (UINT64 *)&SMsr, &NBPtr->MemPtr->StdHeader); + } + + return TRUE; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * Report the Uma size that is going to be allocated. + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + * @return Uma size [31:0] = Addr [47:16] + */ +UINT32 +MemNGetUmaSizeNb ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + return 0; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function allocates 16MB of memory for C6 storage when it is requested to be enabled + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + */ +VOID +MemNAllocateC6StorageClientNb ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + UINT32 SysLimit; + + if (IsFeatureEnabled (C6Cstate, NBPtr->MemPtr->PlatFormConfig, &(NBPtr->MemPtr->StdHeader))) { + SysLimit = NBPtr->RefPtr->SysLimit; + SysLimit -= _16MB_RJ16; + + // Set Dram Limit + NBPtr->MCTPtr->NodeSysLimit = SysLimit; + NBPtr->RefPtr->SysLimit = SysLimit; + MemNSetBitFieldNb (NBPtr, BFDramLimitReg0, ((SysLimit << 8) & 0xFFFF0000)); + + // Set TOPMEM and MTRRs + MemNC6AdjustMSRs (NBPtr); + + // Set C6Base + MemNSetBitFieldNb (NBPtr, BFC6Base, (SysLimit + 1) >> (24 - 16)); + + // C6DramLock will be set in FinalizeMCT + } +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function allocates 16MB of memory for C6 storage when it is requested to be enabled + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + */ +VOID +MemNAllocateC6StorageUnb ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + UINT8 Node; + UINT32 SysLimit; + UINT32 DramLimitReg; + + if (NBPtr->SharedPtr->C6Enabled || IsFeatureEnabled (C6Cstate, NBPtr->MemPtr->PlatFormConfig, &(NBPtr->MemPtr->StdHeader))) { + + SysLimit = NBPtr->RefPtr->SysLimit; + + // Calculate new SysLimit + if (!NBPtr->SharedPtr->C6Enabled) { + if (NBPtr->SharedPtr->NodeIntlv.NodeCnt >= 2) { + // Node Interleave is enabled, system memory available is reduced by 16MB * number of nodes + SysLimit -= _16MB_RJ16 * NBPtr->SharedPtr->NodeIntlv.NodeCnt; + } else { + // Otherwise, system memory available is reduced by 16MB + SysLimit -= _16MB_RJ16; + } + NBPtr->RefPtr->SysLimit = SysLimit; + NBPtr->SharedPtr->C6Enabled = TRUE; + + // Set TOPMEM and MTRRs (only need to be done once for BSC) + MemNC6AdjustMSRs (NBPtr); + } + + // Set Dram Limit + if (NBPtr->SharedPtr->NodeIntlv.NodeCnt >= 2) { + for (Node = 0; Node < NBPtr->NodeCount; Node++) { + DramLimitReg = MemNGetBitFieldNb (NBPtr, BFDramLimitReg0 + Node); + if ((DramLimitReg & 0xFFFF0000) != 0) { + MemNSetBitFieldNb (NBPtr, BFDramLimitReg0 + Node, ((SysLimit << 8) & 0xFFFF0000) | (DramLimitReg & 0xFFFF)); + MemNSetBitFieldNb (NBPtr, BFDramLimitHiReg0 + Node, SysLimit >> 24); + } + } + // Node Interleave is enabled, CoreStateSaveDestNode points to its own node + MemNSetBitFieldNb (NBPtr, BFCoreStateSaveDestNode, NBPtr->Node); + NBPtr->MCTPtr->NodeSysLimit = SysLimit; + } else { + DramLimitReg = MemNGetBitFieldNb (NBPtr, BFDramLimitReg0 + NBPtr->SharedPtr->TopNode) & 0x0000FFFF; + MemNSetBitFieldNb (NBPtr, BFDramLimitReg0 + NBPtr->SharedPtr->TopNode, ((SysLimit << 8) & 0xFFFF0000) | DramLimitReg); + MemNSetBitFieldNb (NBPtr, BFDramLimitHiReg0 + NBPtr->SharedPtr->TopNode, SysLimit >> 24); + + // Node Interleave is not enabled, CoreStateSaveDestNode points to the node that contains top memory + MemNSetBitFieldNb (NBPtr, BFCoreStateSaveDestNode, NBPtr->SharedPtr->TopNode); + + if (NBPtr->Node == NBPtr->SharedPtr->TopNode) { + NBPtr->MCTPtr->NodeSysLimit = SysLimit; + } + } + + // Set BFCC6SaveEn + MemNSetBitFieldNb (NBPtr, BFCC6SaveEn, 1); + + // LockDramCfg will be set in FinalizeMCT + } +} + + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function readjusts TOPMEM and MTRRs after allocating storage for C6 + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + */ +VOID +MemNC6AdjustMSRs ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + UINT32 SysLimit; + UINT32 CurAddr; + S_UINT64 SMsr; + + SysLimit = NBPtr->RefPtr->SysLimit + 1; + SMsr.hi = SysLimit >> (32 - 16); + SMsr.lo = SysLimit << 16; + if (SysLimit < _4GB_RJ16) { + LibAmdMsrWrite (TOP_MEM, (UINT64 *)&SMsr, &(NBPtr->MemPtr->StdHeader)); + IDS_HDT_CONSOLE (MEM_FLOW, "TOP_MEM: %08x0000\n", SysLimit); + // If there is no UMA buffer, then set top of cache and MTRR. + // Otherwise, top of cache and MTRR will be set when UMA buffer is set up. + if (NBPtr->RefPtr->UmaMode == UMA_NONE) { + NBPtr->RefPtr->Sub4GCacheTop = (SysLimit << 16); + // Find unused MTRR to set C6 region to UC + for (CurAddr = 0x200; CurAddr < 0x20C; CurAddr += 2) { + LibAmdMsrRead (CurAddr + 1, (UINT64 *)&SMsr, &NBPtr->MemPtr->StdHeader); + if ((SMsr.lo & ((UINT32) 1 << 11)) == 0) { + // Set region base as TOM + SMsr.hi = SysLimit >> (32 - 16); + SMsr.lo = SysLimit << 16; + LibAmdMsrWrite (CurAddr, (UINT64 *)&SMsr, &NBPtr->MemPtr->StdHeader); + + // set region mask to 16MB + SMsr.hi = NBPtr->VarMtrrHiMsk; + SMsr.lo = 0xFF000800; + LibAmdMsrWrite (CurAddr + 1, (UINT64 *)&SMsr, &NBPtr->MemPtr->StdHeader); + + break; + } + } + } + } else { + LibAmdMsrWrite (TOP_MEM2, (UINT64 *)&SMsr, &(NBPtr->MemPtr->StdHeader)); + IDS_HDT_CONSOLE (MEM_FLOW, "TOP_MEM2: %08x0000\n", SysLimit); + } +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * Family-specific hook to override the DdrMaxRate value for families with a + * non-GH-compatible encoding for BFDdrMaxRate + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * @param[in,out] *DdrMaxRate - Void pointer to DdrMaxRate. Used as INT16. + * + * @return TRUE + * + */ +BOOLEAN +MemNGetMaxDdrRateUnb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN VOID *DdrMaxRate + ) +{ + UINT8 DdrMaxRateEncoded; + + DdrMaxRateEncoded = (UINT8) MemNGetBitFieldNb (NBPtr, BFDdrMaxRate); + + if (DdrMaxRateEncoded == 0) { + * (UINT16 *) DdrMaxRate = UNSUPPORTED_DDR_FREQUENCY; + } else { + * (UINT16 *) DdrMaxRate = MemNGetMemClkFreqUnb (NBPtr, DdrMaxRateEncoded); + } + return TRUE; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function performs the action after save/restore execution + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * @param[in,out] OptParam - Optional parameter + * + * @return TRUE + * + */ + +BOOLEAN +MemNAfterSaveRestoreUnb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN OUT VOID *OptParam + ) +{ + // Sync. up DctCfgSel value with NBPtr->Dct + MemNSetBitFieldNb (NBPtr, BFDctCfgSel, NBPtr->Dct); + + return TRUE; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function performs the action before and after excluding dimms on CNB + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * @param[in,out] *IsBefore - If the function is called before excluding dimms + * + * @return TRUE + * + */ + +BOOLEAN +MemNBfAfExcludeDimmClientNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN OUT VOID *IsBefore + ) +{ + if (*(BOOLEAN *) IsBefore == TRUE) { + NBPtr->BrdcstSet (NBPtr, BFEnterSelfRef, 1); + NBPtr->PollBitField (NBPtr, BFEnterSelfRef, 0, PCI_ACCESS_TIMEOUT, TRUE); + } else { + NBPtr->BrdcstSet (NBPtr, BFExitSelfRef, 1); + NBPtr->PollBitField (NBPtr, BFExitSelfRef, 0, PCI_ACCESS_TIMEOUT, TRUE); + } + + return TRUE; +} + +/*---------------------------------------------------------------------------- + * LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ |