| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * mpmaxfreq.c |
| * |
| * A sub-engine which extracts max. frequency limit value. |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: (Mem/Ps) |
| * @e \$Revision: 37655 $ @e \$Date: 2010-09-09 11:15:05 +0800 (Thu, 09 Sep 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 "AdvancedApi.h" |
| #include "amdlib.h" |
| #include "Ids.h" |
| #include "cpuFamRegisters.h" |
| #include "cpuRegisters.h" |
| #include "OptionMemory.h" |
| #include "PlatformMemoryConfiguration.h" |
| #include "mu.h" |
| #include "ma.h" |
| #include "mp.h" |
| #include "Filecode.h" |
| CODE_GROUP (G2_PEI) |
| RDATA_GROUP (G2_PEI) |
| #define FILECODE PROC_MEM_PS_MPMAXFREQ_FILECODE |
| |
| |
| /*---------------------------------------------------------------------------- |
| * DEFINITIONS AND MACROS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------- |
| * TYPEDEFS AND STRUCTURES |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| typedef struct { |
| UINT16 DimmPerCh:3; |
| UINT16 Dimms:3; |
| UINT16 SR:3; |
| UINT16 DR:3; |
| UINT16 QR:4; |
| } CDNMaxFreq; |
| |
| typedef struct { |
| UINT16 DimmPerCh:3; |
| UINT16 Dimms:3; |
| UINT16 LR:10; |
| } CDNLMaxFreq; |
| /*---------------------------------------------------------------------------- |
| * PROTOTYPES OF LOCAL FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| /*---------------------------------------------------------------------------- |
| * EXPORTED FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * A sub-function which extracts the value of max frequency supported from a input table and |
| * compares it with DCTPtr->Timings.TargetSpeed |
| * |
| * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| * @param[in] *EntryOfTables - Pointer to MEM_PSC_TABLE_BLOCK |
| * |
| * @return TRUE - Succeed in extracting the table value |
| * @return FALSE - Fail to extract the table value |
| * |
| */ |
| BOOLEAN |
| MemPGetMaxFreqSupported ( |
| IN OUT MEM_NB_BLOCK *NBPtr, |
| IN MEM_PSC_TABLE_BLOCK *EntryOfTables |
| ) |
| { |
| UINT8 i; |
| UINT8 MaxDimmPerCh; |
| UINT8 NOD; |
| UINT8 TableSize; |
| PSCFG_TYPE Type; |
| UINT16 CDN; |
| UINT16 MaxFreqSupported; |
| UINT16 *SpeedArray; |
| DIMM_VOLTAGE DDR3Voltage; |
| DIMM_VOLTAGE CurrentVoltage; |
| DIMM_VOLTAGE VoltageHighestFreq; |
| DIMM_TYPE DimmType; |
| CPU_LOGICAL_ID LogicalCpuid; |
| UINT8 PackageType; |
| PSCFG_MAXFREQ_ENTRY *TblPtr; |
| CH_DEF_STRUCT *CurrentChannel; |
| |
| CurrentChannel = NBPtr->ChannelPtr; |
| |
| Type = PSCFG_MAXFREQ; |
| TblPtr = NULL; |
| TableSize = 0; |
| PackageType = 0; |
| LogicalCpuid.Family = AMD_FAMILY_UNKNOWN; |
| |
| MaxDimmPerCh = GetMaxDimmsPerChannel (NBPtr->RefPtr->PlatformMemoryConfiguration, NBPtr->MCTPtr->SocketId, CurrentChannel->ChannelID); |
| NOD = (UINT8) 1 << (MaxDimmPerCh - 1); |
| |
| if (CurrentChannel->RegDimmPresent != 0) { |
| DimmType = RDIMM_TYPE; |
| } else if (CurrentChannel->SODimmPresent != 0) { |
| DimmType = SODIMM_TYPE; |
| //@todo LRDIMM |
| //} else if (CurrentChannel->LrDimmPresent) { |
| // DimmType = LRDIMM_TYPE; |
| } else { |
| DimmType = UDIMM_TYPE; |
| } |
| |
| i = 0; |
| // Obtain table pointer, table size, Logical Cpuid and PSC type according to Dimm, NB and package type. |
| while (EntryOfTables->TblEntryOfMaxFreq[i] != NULL) { |
| if (((EntryOfTables->TblEntryOfMaxFreq[i])->Header.DimmType & DimmType) != 0) { |
| if (((EntryOfTables->TblEntryOfMaxFreq[i])->Header.NumOfDimm & NOD) != 0) { |
| // |
| // Determine if this is the expected NB Type |
| // |
| LogicalCpuid = (EntryOfTables->TblEntryOfMaxFreq[i])->Header.LogicalCpuid; |
| PackageType = (EntryOfTables->TblEntryOfMaxFreq[i])->Header.PackageType; |
| if (MemPIsIdSupported (NBPtr, LogicalCpuid, PackageType)) { |
| TblPtr = (PSCFG_MAXFREQ_ENTRY *) ((EntryOfTables->TblEntryOfMaxFreq[i])->TBLPtr); |
| TableSize = (EntryOfTables->TblEntryOfMaxFreq[i])->TableSize; |
| Type = (EntryOfTables->TblEntryOfMaxFreq[i])->Header.PSCType; |
| break; |
| } |
| } |
| } |
| i++; |
| } |
| |
| // Check whether no table entry is found. |
| if (EntryOfTables->TblEntryOfMaxFreq[i] == NULL) { |
| IDS_HDT_CONSOLE (MEM_FLOW, "\nNo MaxFreq table\n"); |
| return FALSE; |
| } |
| |
| MaxFreqSupported = DDR1866_FREQUENCY; |
| CDN = 0; |
| DDR3Voltage = NBPtr->RefPtr->DDR3Voltage; |
| VoltageHighestFreq = DDR3Voltage; |
| |
| // Construct the condition value |
| ((CDNMaxFreq *)&CDN)->DimmPerCh = MaxDimmPerCh; |
| ((CDNMaxFreq *)&CDN)->Dimms = CurrentChannel->Dimms; |
| if (Type == PSCFG_MAXFREQ) { |
| for (i = 0; i < MAX_DIMMS_PER_CHANNEL; i++) { |
| if ((CurrentChannel->DimmSRPresent & (UINT8) (1 << i)) != 0) { |
| ((CDNMaxFreq *)&CDN)->SR += 1; |
| } |
| if ((CurrentChannel->DimmDrPresent & (UINT16) (1 << i)) != 0) { |
| ((CDNMaxFreq *)&CDN)->DR += 1; |
| } |
| if ((CurrentChannel->DimmQrPresent & (UINT16) (1 << i)) != 0) { |
| ((CDNMaxFreq *)&CDN)->QR += 1; |
| } |
| } |
| } else { |
| ((CDNLMaxFreq *)&CDN)->LR = CurrentChannel->Dimms; |
| } |
| |
| for (i = 0; i < TableSize; i++) { |
| if (CDN == ((Type == PSCFG_MAXFREQ) ? TblPtr->MAXFREQ_ENTRY.CDN : |
| ((PSCFG_LR_MAXFREQ_ENTRY *)TblPtr)->LR_MAXFREQ_ENTRY.CDN)) { |
| if (Type == PSCFG_MAXFREQ) { |
| SpeedArray = TblPtr->MAXFREQ_ENTRY.Speed; |
| } else { |
| SpeedArray = ((PSCFG_LR_MAXFREQ_ENTRY *)TblPtr)->LR_MAXFREQ_ENTRY.Speed; |
| } |
| if (NBPtr->SharedPtr->VoltageMap != VDDIO_DETERMINED) { |
| for (CurrentVoltage = VOLT1_5; CurrentVoltage <= VOLT1_25; CurrentVoltage ++) { |
| if (NBPtr->SharedPtr->VoltageMap & (1 << CurrentVoltage)) { |
| if (NBPtr->DCTPtr->Timings.TargetSpeed > SpeedArray[CurrentVoltage]) { |
| MaxFreqSupported = SpeedArray[CurrentVoltage]; |
| } else { |
| MaxFreqSupported = NBPtr->DCTPtr->Timings.TargetSpeed; |
| } |
| if (NBPtr->MaxFreqVDDIO[CurrentVoltage] > MaxFreqSupported) { |
| NBPtr->MaxFreqVDDIO[CurrentVoltage] = MaxFreqSupported; |
| } |
| } else { |
| NBPtr->MaxFreqVDDIO[CurrentVoltage] = 0; |
| } |
| } |
| } |
| MaxFreqSupported = SpeedArray[DDR3Voltage]; |
| break; |
| } |
| TblPtr++; |
| } |
| |
| if (NBPtr->DCTPtr->Timings.TargetSpeed > MaxFreqSupported) { |
| NBPtr->DCTPtr->Timings.TargetSpeed = MaxFreqSupported; |
| } |
| return TRUE; |
| } |