/**
* Performs core leveling for the system.
*
* This function implements the AMD_CPU_EARLY_PARAMS.CoreLevelingMode parameter.
* The possible modes are:
* -0 CORE_LEVEL_LOWEST Level to lowest common denominator
* -1 CORE_LEVEL_TWO Level to 2 cores
* -2 CORE_LEVEL_POWER_OF_TWO Level to 1,2,4 or 8
* -3 CORE_LEVEL_NONE Do no leveling
* -4 CORE_LEVEL_COMPUTE_UNIT Level cores to one core per compute unit
*
* @param[in] EntryPoint Timepoint designator.
* @param[in] PlatformConfig Contains the leveling mode parameter
* @param[in] StdHeader Config handle for library and services
*
* @return The most severe status of any family specific service.
*
*/
AGESA_STATUS
CoreLevelingAtEarly (
IN UINT64 EntryPoint,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 CoreNumPerComputeUnit;
UINT32 MinNumOfComputeUnit;
UINT32 EnabledComputeUnit;
UINT32 Socket;
UINT32 Module;
UINT32 NumberOfSockets;
UINT32 NumberOfModules;
UINT32 MinCoreCountOnNode;
UINT32 MaxCoreCountOnNode;
UINT32 LowCore;
UINT32 HighCore;
UINT32 LeveledCores;
UINT32 RequestedCores;
UINT32 TotalEnabledCoresOnNode;
BOOLEAN RegUpdated;
AP_MAIL_INFO ApMailboxInfo;
CORE_LEVELING_TYPE CoreLevelMode;
CPU_CORE_LEVELING_FAMILY_SERVICES *FamilySpecificServices;
WARM_RESET_REQUEST Request;
MaxCoreCountOnNode = 0;
MinCoreCountOnNode = 0xFFFFFFFF;
LeveledCores = 0;
CoreNumPerComputeUnit = 1;
MinNumOfComputeUnit = 0xFF;
ASSERT (PlatformConfig->CoreLevelingMode < CoreLevelModeMax);
// Get OEM IO core level mode
CoreLevelMode = (CORE_LEVELING_TYPE) PlatformConfig->CoreLevelingMode;
// Get socket count
NumberOfSockets = GetPlatformNumberOfSockets ();
GetApMailbox (&ApMailboxInfo.Info, StdHeader);
NumberOfModules = ApMailboxInfo.Fields.ModuleType + 1;
// Collect cpu core info
for (Socket = 0; Socket < NumberOfSockets; Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
for (Module = 0; Module < NumberOfModules; Module++) {
if (GetGivenModuleCoreRange (Socket, Module, &LowCore, &HighCore, StdHeader)) {
// Get the highest and lowest core count in all nodes
TotalEnabledCoresOnNode = HighCore - LowCore + 1;
if (TotalEnabledCoresOnNode < MinCoreCountOnNode) {
MinCoreCountOnNode = TotalEnabledCoresOnNode;
}
if (TotalEnabledCoresOnNode > MaxCoreCountOnNode) {
MaxCoreCountOnNode = TotalEnabledCoresOnNode;
}
EnabledComputeUnit = TotalEnabledCoresOnNode;
switch (GetComputeUnitMapping (StdHeader)) {
case AllCoresMapping:
// All cores are in their own compute unit.
break;
case EvenCoresMapping:
// Cores are paired in compute units.
CoreNumPerComputeUnit = 2;
EnabledComputeUnit = (TotalEnabledCoresOnNode / 2);
break;
default:
ASSERT (FALSE);
}
// Get minimum of compute unit. This will either be the minimum number of cores (AllCoresMapping),
// or less (EvenCoresMapping).
if (EnabledComputeUnit < MinNumOfComputeUnit) {
MinNumOfComputeUnit = EnabledComputeUnit;
}
}
}
}
}
// Get LeveledCores
switch (CoreLevelMode) {
case CORE_LEVEL_LOWEST:
if (MinCoreCountOnNode == MaxCoreCountOnNode) {
return (AGESA_SUCCESS);
}
LeveledCores = (MinCoreCountOnNode / CoreNumPerComputeUnit) * CoreNumPerComputeUnit;
break;
case CORE_LEVEL_TWO:
LeveledCores = 2 / NumberOfModules;
if (LeveledCores != 0) {
LeveledCores = (LeveledCores <= MinCoreCountOnNode) ? LeveledCores : MinCoreCountOnNode;
} else {
return (AGESA_WARNING);
}
if ((LeveledCores * NumberOfModules) != 2) {
PutEventLog (
AGESA_WARNING,
CPU_WARNING_ADJUSTED_LEVELING_MODE,
2, (LeveledCores * NumberOfModules), 0, 0, StdHeader
);
}
break;
case CORE_LEVEL_POWER_OF_TWO:
// Level to power of 2 (1, 2, 4, 8...)
LeveledCores = 1;
while (MinCoreCountOnNode >= (LeveledCores * 2)) {
LeveledCores = LeveledCores * 2;
}
break;
case CORE_LEVEL_COMPUTE_UNIT:
// Level cores to one core per compute unit, with additional reduction to level
// all processors to match the processor with the minimum number of cores.
if (CoreNumPerComputeUnit == 1) {
// If there is one core per compute unit, this is the same as CORE_LEVEL_LOWEST.
if (MinCoreCountOnNode == MaxCoreCountOnNode) {
return (AGESA_SUCCESS);
}
LeveledCores = MinCoreCountOnNode;
} else {
// If there are more than one core per compute unit, level to the number of compute units.
LeveledCores = MinNumOfComputeUnit;
}
break;
case CORE_LEVEL_ONE:
LeveledCores = 1;
if (NumberOfModules > 1) {
PutEventLog (
AGESA_WARNING,
CPU_WARNING_ADJUSTED_LEVELING_MODE,
1, NumberOfModules, 0, 0, StdHeader
);
}
break;
case CORE_LEVEL_THREE:
case CORE_LEVEL_FOUR:
case CORE_LEVEL_FIVE:
case CORE_LEVEL_SIX:
case CORE_LEVEL_SEVEN:
case CORE_LEVEL_EIGHT:
case CORE_LEVEL_NINE:
case CORE_LEVEL_TEN:
case CORE_LEVEL_ELEVEN:
case CORE_LEVEL_TWELVE:
case CORE_LEVEL_THIRTEEN:
case CORE_LEVEL_FOURTEEN:
case CORE_LEVEL_FIFTEEN:
// MCM processors can not have an odd number of cores. For an odd CORE_LEVEL_N, MCM processors will be
// leveled as though CORE_LEVEL_N+1 was chosen.
// Processors with compute units disable all cores in an entire compute unit at a time, or on an MCM processor,
// two compute units at a time. For example, on an SCM processor with two cores per compute unit, the effective
// explicit levels are CORE_LEVEL_ONE, CORE_LEVEL_TWO, CORE_LEVEL_FOUR, CORE_LEVEL_SIX, and
// CORE_LEVEL_EIGHT. The same example for an MCM processor with two cores per compute unit has effective
// explicit levels of CORE_LEVEL_TWO, CORE_LEVEL_FOUR, CORE_LEVEL_EIGHT, and CORE_LEVEL_TWELVE.
RequestedCores = CoreLevelMode - CORE_LEVEL_THREE + 3;
LeveledCores = (RequestedCores + NumberOfModules - 1) / NumberOfModules;
LeveledCores = (LeveledCores / CoreNumPerComputeUnit) * CoreNumPerComputeUnit;
LeveledCores = (LeveledCores <= MinCoreCountOnNode) ? LeveledCores : MinCoreCountOnNode;
if (LeveledCores != 1) {
LeveledCores = (LeveledCores / CoreNumPerComputeUnit) * CoreNumPerComputeUnit;
}
if ((LeveledCores * NumberOfModules * CoreNumPerComputeUnit) != RequestedCores) {
PutEventLog (
AGESA_WARNING,
CPU_WARNING_ADJUSTED_LEVELING_MODE,
RequestedCores, (LeveledCores * NumberOfModules * CoreNumPerComputeUnit), 0, 0, StdHeader
);
}
break;
default:
ASSERT (FALSE);
}
// Set down core register
for (Socket = 0; Socket < NumberOfSockets; Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetFeatureServicesOfSocket (&CoreLevelingFamilyServiceTable, Socket, &FamilySpecificServices, StdHeader);
if (FamilySpecificServices != NULL) {
for (Module = 0; Module < NumberOfModules; Module++) {
RegUpdated = FamilySpecificServices->SetDownCoreRegister (FamilySpecificServices, &Socket, &Module, &LeveledCores, CoreLevelMode, StdHeader);
// If the down core register is updated, trigger a warm reset.
if (RegUpdated) {
GetWarmResetFlag (StdHeader, &Request);
Request.RequestBit = TRUE;
Request.StateBits = Request.PostStage - 1;
SetWarmResetFlag (StdHeader, &Request);
}
}
}
}
}
return (AGESA_SUCCESS);
}
/**
* Multisocket call to determine the frequency that the northbridges must run.
*
* This function loops through all possible socket locations, comparing the
* maximum NB frequencies to determine the slowest. This function also
* determines if all coherent NB frequencies are equivalent.
*
* @param[in] NbPstate NB P-state number to check (0 = fastest)
* @param[in] PlatformConfig Platform profile/build option config structure.
* @param[out] SystemNbCofNumerator NB frequency numerator for the system in MHz
* @param[out] SystemNbCofDenominator NB frequency denominator for the system
* @param[out] SystemNbCofsMatch Whether or not all NB frequencies are equivalent
* @param[out] NbPstateIsEnabledOnAllCPUs Whether or not NbPstate is valid on all CPUs
* @param[in] StdHeader Config handle for library and services
*
* @retval TRUE At least one processor has NbPstate enabled.
* @retval FALSE NbPstate is disabled on all CPUs
*
*/
BOOLEAN
GetSystemNbCofMulti (
IN UINT32 NbPstate,
IN PLATFORM_CONFIGURATION *PlatformConfig,
OUT UINT32 *SystemNbCofNumerator,
OUT UINT32 *SystemNbCofDenominator,
OUT BOOLEAN *SystemNbCofsMatch,
OUT BOOLEAN *NbPstateIsEnabledOnAllCPUs,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 Socket;
UINT8 Module;
UINT32 CurrentNbCof;
UINT32 CurrentDivisor;
UINT32 CurrentFreq;
UINT32 LowFrequency;
UINT32 Ignored32;
BOOLEAN FirstCofNotFound;
BOOLEAN NbPstateDisabled;
BOOLEAN IsNbPstateEnabledOnAny;
PCI_ADDR PciAddress;
AGESA_STATUS Ignored;
CPU_SPECIFIC_SERVICES *FamilySpecificServices;
// Find the slowest NB COF in the system & whether or not all are equivalent
LowFrequency = 0xFFFFFFFF;
*SystemNbCofsMatch = TRUE;
*NbPstateIsEnabledOnAllCPUs = FALSE;
IsNbPstateEnabledOnAny = FALSE;
FirstCofNotFound = TRUE;
NbPstateDisabled = FALSE;
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetCpuServicesOfSocket (Socket, (CONST CPU_SPECIFIC_SERVICES **)&FamilySpecificServices, StdHeader);
for (Module = 0; Module < GetPlatformNumberOfModules (); Module++) {
if (GetPciAddress (StdHeader, Socket, Module, &PciAddress, &Ignored)) {
break;
}
}
if (FamilySpecificServices->GetNbPstateInfo (FamilySpecificServices,
PlatformConfig,
&PciAddress,
NbPstate,
&CurrentNbCof,
&CurrentDivisor,
&Ignored32,
StdHeader)) {
ASSERT (CurrentDivisor != 0);
CurrentFreq = (CurrentNbCof / CurrentDivisor);
if (FirstCofNotFound) {
*SystemNbCofNumerator = CurrentNbCof;
*SystemNbCofDenominator = CurrentDivisor;
LowFrequency = CurrentFreq;
IsNbPstateEnabledOnAny = TRUE;
if (!NbPstateDisabled) {
*NbPstateIsEnabledOnAllCPUs = TRUE;
}
FirstCofNotFound = FALSE;
} else {
if (CurrentFreq != LowFrequency) {
*SystemNbCofsMatch = FALSE;
if (CurrentFreq < LowFrequency) {
LowFrequency = CurrentFreq;
*SystemNbCofNumerator = CurrentNbCof;
*SystemNbCofDenominator = CurrentDivisor;
}
}
}
} else {
NbPstateDisabled = TRUE;
*NbPstateIsEnabledOnAllCPUs = FALSE;
}
}
}
return IsNbPstateEnabledOnAny;
}
/**
* Enable the C6 C-state
*
* @param[in] EntryPoint Timepoint designator.
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config Handle for library, services.
*
* @retval AGESA_SUCCESS Always succeeds.
*
*/
AGESA_STATUS
STATIC
InitializeC6Feature (
IN UINT64 EntryPoint,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 BscSocket;
UINT32 Ignored;
UINT32 BscCoreNum;
UINT32 Core;
UINT32 Socket;
UINT32 NumberOfSockets;
UINT32 NumberOfCores;
AP_TASK TaskPtr;
AMD_CPU_EARLY_PARAMS CpuEarlyParams;
C6_FAMILY_SERVICES *C6FamilyServices;
AGESA_STATUS IgnoredSts;
CpuEarlyParams.PlatformConfig = *PlatformConfig;
TaskPtr.FuncAddress.PfApTaskIC = EnableC6OnSocket;
TaskPtr.DataTransfer.DataSizeInDwords = 2;
TaskPtr.DataTransfer.DataPtr = &EntryPoint;
TaskPtr.DataTransfer.DataTransferFlags = 0;
TaskPtr.ExeFlags = PASS_EARLY_PARAMS;
OptionMultiSocketConfiguration.BscRunCodeOnAllSystemCore0s (&TaskPtr, StdHeader, &CpuEarlyParams);
if ((EntryPoint & (CPU_FEAT_AFTER_POST_MTRR_SYNC | CPU_FEAT_AFTER_RESUME_MTRR_SYNC)) != 0) {
// Load any required microcode patches on both normal boot and resume from S3.
IdentifyCore (StdHeader, &BscSocket, &Ignored, &BscCoreNum, &IgnoredSts);
GetFeatureServicesOfSocket (&C6FamilyServiceTable, BscSocket, (const VOID **)&C6FamilyServices, StdHeader);
if (C6FamilyServices != NULL) {
C6FamilyServices->ReloadMicrocodePatchAfterMemInit (StdHeader);
}
// run code on all APs
TaskPtr.DataTransfer.DataSizeInDwords = 0;
TaskPtr.ExeFlags = 0;
NumberOfSockets = GetPlatformNumberOfSockets ();
for (Socket = 0; Socket < NumberOfSockets; Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetFeatureServicesOfSocket (&C6FamilyServiceTable, Socket, (const VOID **)&C6FamilyServices, StdHeader);
if (C6FamilyServices != NULL) {
// run code on all APs
TaskPtr.FuncAddress.PfApTask = C6FamilyServices->ReloadMicrocodePatchAfterMemInit;
if (GetActiveCoresInGivenSocket (Socket, &NumberOfCores, StdHeader)) {
for (Core = 0; Core < NumberOfCores; Core++) {
if ((Socket != BscSocket) || (Core != BscCoreNum)) {
ApUtilRunCodeOnSocketCore ((UINT8) Socket, (UINT8) Core, &TaskPtr, StdHeader);
}
}
}
}
}
}
}
return AGESA_SUCCESS;
}
/**
* Should message-based C1e be enabled
*
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config Handle for library, services.
*
* @retval TRUE Message-based C1e is supported.
* @retval FALSE Message-based C1e cannot be enabled.
*
*/
BOOLEAN
STATIC
IsMsgBasedC1eFeatureEnabled (
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINTN Link;
UINTN LinkCount;
UINT32 Socket;
UINT32 Module;
BOOLEAN IsEnabled;
PCI_ADDR PciAddress;
AGESA_STATUS AgesaStatus;
HT_HOST_FEATS HtHostFeats;
CPU_SPECIFIC_SERVICES *CpuServices;
MSG_BASED_C1E_FAMILY_SERVICES *FamilyServices;
ASSERT (PlatformConfig->C1eMode < MaxC1eMode);
IsEnabled = FALSE;
if (PlatformConfig->C1eMode == C1eModeMsgBased) {
ASSERT (PlatformConfig->C1ePlatformData < 0x10000);
ASSERT (PlatformConfig->C1ePlatformData != 0);
if ((PlatformConfig->C1ePlatformData != 0) && (PlatformConfig->C1ePlatformData < 0xFFFE)) {
IsEnabled = TRUE;
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetFeatureServicesOfSocket (&MsgBasedC1eFamilyServiceTable, Socket, (CONST VOID **)&FamilyServices, StdHeader);
if ((FamilyServices == NULL) || !FamilyServices->IsMsgBasedC1eSupported (FamilyServices, Socket, StdHeader)) {
IsEnabled = FALSE;
break;
} else {
// If the CPU revision supports message-based C1e, check whether the feature should
// be disabled based on the speed of ncHT links (HT1).
GetCpuServicesOfSocket (Socket, &CpuServices, StdHeader);
for (Module = 0; Module < GetPlatformNumberOfModules (); Module++) {
if (GetPciAddress (StdHeader, Socket, Module, &PciAddress, &AgesaStatus)) {
HtHostFeats.HtHostValue = 0;
for (LinkCount = 0; LinkCount < 8; LinkCount++) {
if (FindHtHostCapability (LinkCount, &PciAddress, StdHeader)) {
CpuServices->GetHtLinkFeatures (CpuServices, &Link, &PciAddress, &HtHostFeats, StdHeader);
if ((HtHostFeats.HtHostFeatures.NonCoherent == 1) && (HtHostFeats.HtHostFeatures.Ht1 == 1)) {
IsEnabled = FALSE;
break;
}
}
}
}
// Exit for (Module = 0; Module < GetPlatformNumberOfModules; Module++)
if (!IsEnabled) {
break;
}
}
}
}
// Exit for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++)
if (!IsEnabled) {
break;
}
}
}
}
return IsEnabled;
}
/**
* Multisocket call to determine the most severe AGESA_STATUS return value after
* processing the power management initialization tables.
*
* This function loops through all possible socket locations, collecting any
* power management initialization errors that may have occurred. These errors
* are transferred from the core 0s of the socket in which the errors occurred
* to the BSC's heap. The BSC's heap is then searched for the most severe error
* that occurred, and returns it. This function must be called by the BSC only.
*
* @param[in] StdHeader Config handle for library and services
*
* @return The most severe error code from power management init
*
*/
AGESA_STATUS
GetEarlyPmErrorsMulti (
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT16 i;
UINT32 BscSocket;
UINT32 BscModule;
UINT32 BscCoreNum;
UINT32 Socket;
UINT32 NumberOfSockets;
AP_TASK TaskPtr;
AGESA_EVENT EventLogEntry;
AGESA_STATUS ReturnCode;
AGESA_STATUS DummyStatus;
ASSERT (IsBsp (StdHeader, &ReturnCode));
ReturnCode = AGESA_SUCCESS;
EventLogEntry.EventClass = AGESA_SUCCESS;
EventLogEntry.EventInfo = 0;
EventLogEntry.DataParam1 = 0;
EventLogEntry.DataParam2 = 0;
EventLogEntry.DataParam3 = 0;
EventLogEntry.DataParam4 = 0;
NumberOfSockets = GetPlatformNumberOfSockets ();
IdentifyCore (StdHeader, &BscSocket, &BscModule, &BscCoreNum, &DummyStatus);
TaskPtr.FuncAddress.PfApTaskI = GetNextEvent;
TaskPtr.DataTransfer.DataSizeInDwords = SIZE_IN_DWORDS (AGESA_EVENT);
TaskPtr.DataTransfer.DataPtr = &EventLogEntry;
TaskPtr.DataTransfer.DataTransferFlags = 0;
TaskPtr.ExeFlags = WAIT_FOR_CORE | RETURN_PARAMS;
for (Socket = 0; Socket < NumberOfSockets; Socket++) {
if (Socket != BscSocket) {
if (IsProcessorPresent (Socket, StdHeader)) {
do {
ApUtilRunCodeOnSocketCore ((UINT8)Socket, (UINT8) 0, &TaskPtr, StdHeader);
if ((EventLogEntry.EventInfo & CPU_EVENT_PM_EVENT_MASK) == CPU_EVENT_PM_EVENT_CLASS) {
PutEventLog (
EventLogEntry.EventClass,
EventLogEntry.EventInfo,
EventLogEntry.DataParam1,
EventLogEntry.DataParam2,
EventLogEntry.DataParam3,
EventLogEntry.DataParam4,
StdHeader
);
}
} while (EventLogEntry.EventInfo != 0);
}
}
}
for (i = 0; PeekEventLog (&EventLogEntry, i, StdHeader); i++) {
if ((EventLogEntry.EventInfo & CPU_EVENT_PM_EVENT_MASK) == CPU_EVENT_PM_EVENT_CLASS) {
if (EventLogEntry.EventClass > ReturnCode) {
ReturnCode = EventLogEntry.EventClass;
}
}
}
return (ReturnCode);
}
AGESA_STATUS
PcieConfigurationInit (
IN AMD_CONFIG_PARAMS *StdHeader
)
{
AGESA_STATUS Status;
PCIe_PLATFORM_CONFIG *Pcie;
PCIe_SILICON_CONFIG *Silicon;
UINT8 SocketId;
UINTN CurrentComplexesDataLength;
UINTN ComplexesDataLength;
UINT8 ComplexIndex;
VOID *Buffer;
ComplexesDataLength = 0;
Status = AGESA_SUCCESS;
IDS_HDT_CONSOLE (GNB_TRACE, "PcieConfigurationInit Enter\n");
for (SocketId = 0; SocketId < GetPlatformNumberOfSockets (); SocketId++) {
if (IsProcessorPresent (SocketId, StdHeader)) {
Status = PcieFmGetComplexDataLength (SocketId, &CurrentComplexesDataLength, StdHeader);
ASSERT (Status == AGESA_SUCCESS);
ComplexesDataLength += CurrentComplexesDataLength;
}
}
ComplexIndex = 0;
Pcie = GnbAllocateHeapBufferAndClear (AMD_PCIE_COMPLEX_DATA_HANDLE, sizeof (PCIe_PLATFORM_CONFIG) + ComplexesDataLength, StdHeader);
ASSERT (Pcie != NULL);
if (Pcie != NULL) {
PcieConfigAttachChild (&Pcie->Header, &Pcie->ComplexList[ComplexIndex].Header);
PcieConfigSetDescriptorFlags (Pcie, DESCRIPTOR_PLATFORM | DESCRIPTOR_TERMINATE_LIST | DESCRIPTOR_TERMINATE_TOPOLOGY);
Buffer = (UINT8 *) (Pcie) + sizeof (PCIe_PLATFORM_CONFIG);
for (SocketId = 0; SocketId < GetPlatformNumberOfSockets (); SocketId++) {
if (IsProcessorPresent (SocketId, StdHeader)) {
Pcie->ComplexList[ComplexIndex].SocketId = SocketId;
//Attache Comples to Silicon which will be created by PcieFmBuildComplexConfiguration
PcieConfigAttachChild (&Pcie->ComplexList[ComplexIndex].Header, &((PCIe_SILICON_CONFIG *) Buffer)->Header);
//Attach Comples to Pcie
PcieConfigAttachParent (&Pcie->Header, &Pcie->ComplexList[ComplexIndex].Header);
PcieConfigSetDescriptorFlags (&Pcie->ComplexList[ComplexIndex], DESCRIPTOR_COMPLEX | DESCRIPTOR_TERMINATE_LIST | DESCRIPTOR_TERMINATE_GNB | DESCRIPTOR_TERMINATE_TOPOLOGY);
PcieFmBuildComplexConfiguration (SocketId, Buffer, StdHeader);
Silicon = PcieConfigGetChildSilicon (&Pcie->ComplexList[ComplexIndex]);
while (Silicon != NULL) {
PcieConfigAttachParent (&Pcie->ComplexList[ComplexIndex].Header, &Silicon->Header);
GetNodeId (SocketId, Silicon->SiliconId, &Silicon->NodeId, StdHeader);
GnbFmGetLinkId ((GNB_HANDLE*) Silicon, &Silicon->LinkId, StdHeader);
Silicon = (PCIe_SILICON_CONFIG *) PcieConfigGetNextTopologyDescriptor (Silicon, DESCRIPTOR_TERMINATE_TOPOLOGY);
}
if (ComplexIndex > 0) {
PcieConfigAttachComplexes (&Pcie->ComplexList[ComplexIndex - 1], &Pcie->ComplexList[ComplexIndex]);
}
PcieFmGetComplexDataLength (SocketId, &CurrentComplexesDataLength, StdHeader);
Buffer = (VOID *) ((UINT8 *) Buffer + CurrentComplexesDataLength);
ComplexIndex++;
}
}
} else {
Status = AGESA_FATAL;
}
IDS_HDT_CONSOLE (GNB_TRACE, "PcieConfigurationInit Exit [0x%x]\n", Status);
return Status;
}
/**
* Enable L3 dependent features.
*
* L3 features initialization requires the following series of steps.
* 1. Disable L3 and DRAM scrubbers on all nodes
* 2. Wait 40us for outstanding scrub results to complete
* 3. Disable all cache activity in the system
* 4. Issue WBINVD on all active cores
* 5. Initialize Probe Filter, if supported
* 6. Initialize ATM Mode, if supported
* 7. Enable all cache activity in the system
* 8. Restore L3 and DRAM scrubber register values
*
* @param[in] EntryPoint Timepoint designator.
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config Handle for library, services.
*
* @retval AGESA_SUCCESS Always succeeds.
*
*/
AGESA_STATUS
STATIC
InitializeL3Feature (
IN UINT64 EntryPoint,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 CpuCount;
UINT32 Socket;
BOOLEAN HtAssistEnabled;
BOOLEAN AtmModeEnabled;
AGESA_STATUS AgesaStatus;
AP_MAILBOXES ApMailboxes;
AP_EXE_PARAMS ApParams;
UINT32 Scrubbers[MAX_SOCKETS_SUPPORTED][L3_SCRUBBER_CONTEXT_ARRAY_SIZE];
L3_FEATURE_FAMILY_SERVICES *FamilyServices[MAX_SOCKETS_SUPPORTED];
AgesaStatus = AGESA_SUCCESS;
HtAssistEnabled = TRUE;
AtmModeEnabled = TRUE;
IDS_HDT_CONSOLE (CPU_TRACE, " Enabling L3 dependent features\n");
// There are many family service call outs. Initialize the family service array while
// cache is still enabled.
for (Socket = 0; Socket < MAX_SOCKETS_SUPPORTED; Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetFeatureServicesOfSocket (&L3FeatureFamilyServiceTable, Socket, (const VOID **) &FamilyServices[Socket], StdHeader);
} else {
FamilyServices[Socket] = NULL;
}
}
if (EntryPoint == CPU_FEAT_AFTER_POST_MTRR_SYNC) {
// Check for optimal settings
GetApMailbox (&ApMailboxes.ApMailInfo.Info, StdHeader);
CpuCount = GetNumberOfProcessors (StdHeader);
if (((CpuCount == 1) && (ApMailboxes.ApMailInfo.Fields.ModuleType == 1)) ||
((CpuCount == 2) && (ApMailboxes.ApMailInfo.Fields.ModuleType == 0))) {
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
// Only check for non-optimal HT Assist setting is if's supported.
if ((FamilyServices[Socket] != NULL) &&
(FamilyServices[Socket]->IsHtAssistSupported (FamilyServices[Socket], PlatformConfig, StdHeader))) {
if (FamilyServices[Socket]->IsNonOptimalConfig (FamilyServices[Socket], Socket, StdHeader)) {
// Non-optimal settings. Log an event.
AgesaStatus = AGESA_WARNING;
PutEventLog (AgesaStatus, CPU_WARNING_NONOPTIMAL_HT_ASSIST_CFG, 0, 0, 0, 0, StdHeader);
break;
}
}
}
}
} else {
// Disable the scrubbers.
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (FamilyServices[Socket] != NULL) {
FamilyServices[Socket]->GetL3ScrubCtrl (FamilyServices[Socket], Socket, &Scrubbers[Socket][0], StdHeader);
// If any node in the system does not support Probe Filter, disable it on the system
if (!FamilyServices[Socket]->IsHtAssistSupported (FamilyServices[Socket], PlatformConfig, StdHeader)) {
HtAssistEnabled = FALSE;
}
// If any node in the system does not support ATM mode, disable it on the system
if (!FamilyServices[Socket]->IsAtmModeSupported (FamilyServices[Socket], PlatformConfig, StdHeader)) {
AtmModeEnabled = FALSE;
}
}
}
// Wait for 40us
WaitMicroseconds ((UINT32) 40, StdHeader);
// Run DisableAllCaches on AP cores.
ApParams.StdHeader = *StdHeader;
ApParams.FunctionNumber = AP_LATE_TASK_DISABLE_CACHE;
ApParams.RelatedDataBlock = (VOID *) &HtAssistEnabled;
ApParams.RelatedBlockLength = sizeof (BOOLEAN);
RunLateApTaskOnAllAPs (&ApParams, StdHeader);
// Run DisableAllCaches on core 0.
DisableAllCaches (&ApParams);
// Family hook before initialization.
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (FamilyServices[Socket] != NULL) {
FamilyServices[Socket]->HookBeforeInit (FamilyServices[Socket], Socket, StdHeader);
}
}
// Activate Probe Filter & ATM mode.
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (FamilyServices[Socket] != NULL) {
if (HtAssistEnabled) {
FamilyServices[Socket]->HtAssistInit (FamilyServices[Socket], Socket, StdHeader);
}
if (AtmModeEnabled) {
FamilyServices[Socket]->AtmModeInit (FamilyServices[Socket], Socket, StdHeader);
}
}
}
// Family hook after initialization.
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (FamilyServices[Socket] != NULL) {
FamilyServices[Socket]->HookAfterInit (FamilyServices[Socket], Socket, StdHeader);
}
}
// Run EnableAllCaches on core 0.
EnableAllCaches (&ApParams);
// Run EnableAllCaches on every core.
ApParams.FunctionNumber = AP_LATE_TASK_ENABLE_CACHE;
RunLateApTaskOnAllAPs (&ApParams, StdHeader);
// Restore the scrubbers.
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (FamilyServices[Socket] != NULL) {
FamilyServices[Socket]->SetL3ScrubCtrl (FamilyServices[Socket], Socket, &Scrubbers[Socket][0], StdHeader);
}
}
}
return AgesaStatus;
}
