/**
* Should Low Power P-state be enabled
* If all processors support Low Power P-state, reture TRUE, otherwise reture FALSE
*
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config Handle for library, services.
*
* @retval TRUE Low Power P-state is supported.
* @retval FALSE Low Power P-state cannot be enabled.
*
*/
BOOLEAN
STATIC
IsLowPwrPstateFeatureSupported (
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 Socket;
BOOLEAN IsSupported;
LOW_PWR_PSTATE_FAMILY_SERVICES *FamilyServices;
IsSupported = FALSE;
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetFeatureServicesOfSocket (&LowPwrPstateFamilyServiceTable, Socket, (const VOID **)&FamilyServices, StdHeader);
if (FamilyServices != NULL) {
if (FamilyServices->IsLowPwrPstateSupported (FamilyServices, PlatformConfig, Socket, StdHeader)) {
IsSupported = TRUE;
} else {
IsSupported = FALSE;
break;
}
} else {
IsSupported = FALSE;
break;
}
}
}
IDS_OPTION_HOOK (IDS_LOW_POWER_PSTATE, &IsSupported, StdHeader);
return IsSupported;
}
/**
* Should CPB be enabled
*
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config Handle for library, services.
*
* @retval TRUE CPB is supported.
* @retval FALSE CPB cannot be enabled.
*
*/
BOOLEAN
STATIC
IsCpbFeatureEnabled (
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 Socket;
BOOLEAN IsEnabled;
CPB_FAMILY_SERVICES *FamilyServices;
IsEnabled = FALSE;
ASSERT (PlatformConfig->CpbMode < MaxCpbMode);
if (PlatformConfig->CpbMode == CpbModeAuto) {
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetFeatureServicesOfSocket (&CpbFamilyServiceTable, Socket, (const VOID **)&FamilyServices, StdHeader);
if (FamilyServices != NULL) {
if (FamilyServices->IsCpbSupported (FamilyServices, PlatformConfig, Socket, StdHeader)) {
IsEnabled = TRUE;
break;
}
}
}
}
}
return IsEnabled;
}
/**
* Should IO Cstate be enabled
* If all processors support IO Cstate, return TRUE. Otherwise, return FALSE
*
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config Handle for library, services.
*
* @retval TRUE IO Cstate is supported.
* @retval FALSE IO Cstate cannot be enabled.
*
*/
BOOLEAN
STATIC
IsIoCstateFeatureSupported (
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 Socket;
BOOLEAN IsSupported;
IO_CSTATE_FAMILY_SERVICES *IoCstateServices;
IsSupported = FALSE;
if ((PlatformConfig->CStateIoBaseAddress != 0) && (PlatformConfig->CStateIoBaseAddress <= 0xFFF8)) {
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetFeatureServicesOfSocket (&IoCstateFamilyServiceTable, Socket, (CONST VOID **)&IoCstateServices, StdHeader);
if (IoCstateServices != NULL) {
if (IoCstateServices->IsIoCstateSupported (IoCstateServices, Socket, StdHeader)) {
IsSupported = TRUE;
} else {
// Stop checking remaining socket(s) once we find one that does not support IO Cstates
IsSupported = FALSE;
break;
}
} else {
// Exit the for loop if we found a socket that does not have the IO Cstates feature installed
IsSupported = FALSE;
break;
}
}
}
}
return IsSupported;
}
/**
* Should L3 features be enabled
*
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config Handle for library, services.
*
* @retval TRUE L3 Features are supported
* @retval FALSE L3 Features are not supported
*
*/
BOOLEAN
STATIC
IsL3FeatureEnabled (
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
BOOLEAN IsEnabled;
UINT32 Socket;
L3_FEATURE_FAMILY_SERVICES *FamilyServices;
IsEnabled = FALSE;
if (PlatformConfig->PlatformProfile.UseHtAssist ||
PlatformConfig->PlatformProfile.UseAtmMode) {
IsEnabled = TRUE;
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetFeatureServicesOfSocket (&L3FeatureFamilyServiceTable, Socket, (const VOID **) &FamilyServices, StdHeader);
if ((FamilyServices == NULL) || !FamilyServices->IsL3FeatureSupported (FamilyServices, Socket, StdHeader)) {
IsEnabled = FALSE;
break;
}
}
}
}
return IsEnabled;
}
/**
* Enable core performance boost
*
* @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
InitializeCpbFeature (
IN UINT64 EntryPoint,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 Socket;
AGESA_STATUS AgesaStatus;
AGESA_STATUS CalledStatus;
CPB_FAMILY_SERVICES *FamilyServices;
AgesaStatus = AGESA_SUCCESS;
CalledStatus = AGESA_SUCCESS;
IDS_HDT_CONSOLE (CPU_TRACE, " Boost is enabled\n");
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetFeatureServicesOfSocket (&CpbFamilyServiceTable, Socket, (const VOID **)&FamilyServices, StdHeader);
if (FamilyServices != NULL) {
if (FamilyServices->IsCpbSupported (FamilyServices, PlatformConfig, Socket, StdHeader)) {
CalledStatus = FamilyServices->EnableCpbOnSocket (FamilyServices, PlatformConfig, EntryPoint, Socket, StdHeader);
if (CalledStatus > AgesaStatus) {
AgesaStatus = CalledStatus;
}
}
}
}
}
return AgesaStatus;
}
/**
* Should P-state HPC mode be enabled
* If PlatformConfig->PStatesInHpcMode is TRUE, return TRUE, otherwise reture FALSE
*
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config Handle for library, services.
*
* @retval TRUE P-state HPC mode is supported.
* @retval FALSE P-state HPC mode cannot be enabled.
*
*/
BOOLEAN
STATIC
IsPstateHpcModeFeatureSupported (
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
BOOLEAN IsEnabled;
UINT32 Socket;
PSTATE_HPC_MODE_FAMILY_SERVICES *FamilyServices;
IsEnabled = TRUE;
if (PlatformConfig->PStatesInHpcMode) {
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetFeatureServicesOfSocket (&PstateHpcModeFamilyServiceTable, Socket, (CONST VOID **)&FamilyServices, StdHeader);
if (FamilyServices == NULL) {
IsEnabled = FALSE;
break;
}
}
}
} else {
IsEnabled = FALSE;
}
return IsEnabled;
}
/**
* Should C6 be enabled
*
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config Handle for library, services.
*
* @retval TRUE C6 is supported.
* @retval FALSE C6 cannot be enabled.
*
*/
BOOLEAN
STATIC
IsC6FeatureEnabled (
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 Socket;
BOOLEAN IsEnabled;
C6_FAMILY_SERVICES *FamilyServices;
IsEnabled = FALSE;
if (PlatformConfig->CStateMode == CStateModeC6) {
IsEnabled = TRUE;
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetFeatureServicesOfSocket (&C6FamilyServiceTable, Socket, (CONST VOID **)&FamilyServices, StdHeader);
if ((FamilyServices == NULL) || !FamilyServices->IsC6Supported (FamilyServices, Socket, PlatformConfig, StdHeader)) {
IsEnabled = FALSE;
break;
}
}
}
}
return IsEnabled;
}
/**
* Should Application Power Management (APM) be enabled
*
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config Handle for library, services.
*
* @retval TRUE APM is supported.
* @retval FALSE APM cannot be enabled.
*
*/
STATIC BOOLEAN
IsApmFeatureEnabled (
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 Socket;
BOOLEAN IsEnabled;
APM_FAMILY_SERVICES *FamilyServices;
IsEnabled = FALSE;
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetFeatureServicesOfSocket (&ApmFamilyServiceTable, Socket, (CONST VOID **)&FamilyServices, StdHeader);
if (FamilyServices != NULL) {
if (FamilyServices->IsApmSupported (FamilyServices, PlatformConfig, Socket, StdHeader)) {
IsEnabled = TRUE;
break;
}
}
}
}
return IsEnabled;
}
/**
*
* InitializeCacheFlushOnHaltFeature
*
* CPU feature leveling. Enable Cpu Cache Flush On Halt Function
*
* @param[in] EntryPoint Timepoint designator.
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in,out] StdHeader Pointer to AMD_CONFIG_PARAMS struct.
*
* @return The most severe status of any family specific service.
*/
STATIC AGESA_STATUS
InitializeCacheFlushOnHaltFeature (
IN UINT64 EntryPoint,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN OUT AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 Socket;
UINT32 Module;
UINT32 AndMask;
UINT32 OrMask;
UINT32 PciRegister;
PCI_ADDR PciAddress;
PCI_ADDR CfohPciAddress;
AGESA_STATUS AgesaStatus;
CPU_CFOH_FAMILY_SERVICES *FamilySpecificServices;
ASSERT (IsBsp (StdHeader, &AgesaStatus));
FamilySpecificServices = NULL;
AndMask = 0xFFFFFFFF;
OrMask = 0x00000000;
PciRegister = 0;
AgesaStatus = AGESA_SUCCESS;
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
// Get services for the socket
GetFeatureServicesOfSocket (&CacheFlushOnHaltFamilyServiceTable, Socket, (CONST VOID **)&FamilySpecificServices, StdHeader);
if (FamilySpecificServices != NULL) {
FamilySpecificServices->GetCacheFlushOnHaltRegister (FamilySpecificServices, &CfohPciAddress, &AndMask, &OrMask, StdHeader);
// Get the Or Mask value from IDS
IDS_OPTION_HOOK (IDS_CACHE_FLUSH_HLT, &OrMask, StdHeader);
// Set Cache Flush On Halt register
for (Module = 0; Module < (UINT8)GetPlatformNumberOfModules (); Module++) {
if (GetPciAddress (StdHeader, Socket, Module, &PciAddress, &AgesaStatus)) {
PciAddress.Address.Function = CfohPciAddress.Address.Function;
PciAddress.Address.Register = CfohPciAddress.Address.Register;
LibAmdPciRead (AccessWidth32, PciAddress, &PciRegister, StdHeader);
PciRegister &= AndMask;
PciRegister |= OrMask;
LibAmdPciWrite (AccessWidth32, PciAddress, &PciRegister, StdHeader);
}
}
}
}
}
return AgesaStatus;
}
/**
*
* CpuPrefetchModeApTask
*
* Parameters:
* @param[in] ApExeParams Handle to config for library and services.
*
* @retval AGESA_STATUS
*
* Processing:
*
*/
AGESA_STATUS
CpuPrefetchModeApTask (
IN AP_EXE_PARAMS *ApExeParams
)
{
UINT32 Socket;
UINT32 Module;
UINT32 Core;
AGESA_STATUS IgnoredSts;
AGESA_STATUS CalledStatus;
PREFETCH_MODE_FAMILY_SERVICES *FamilyServices;
CalledStatus = AGESA_ERROR;
IdentifyCore (&(ApExeParams->StdHeader), &Socket, &Module, &Core, &IgnoredSts);
GetFeatureServicesOfSocket (&PrefetchModeFamilyServiceTable, Socket, (CONST VOID **)&FamilyServices, &(ApExeParams->StdHeader));
if (FamilyServices != NULL) {
CalledStatus = FamilyServices->PrefetchModeControlOnCore (FamilyServices, (PLATFORM_CONFIGURATION *) (ApExeParams->RelatedDataBlock), &(ApExeParams->StdHeader));
}
return CalledStatus;
}
/**
* 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
)
{
BOOLEAN IsEnabled;
UINT32 Socket;
MSG_BASED_C1E_FAMILY_SERVICES *FamilyServices;
ASSERT (PlatformConfig->C1eMode < MaxC1eMode);
IsEnabled = FALSE;
if ((PlatformConfig->C1eMode == C1eModeMsgBased) || (PlatformConfig->C1eMode == C1eModeAuto)) {
ASSERT (PlatformConfig->C1ePlatformData < 0x10000);
ASSERT (PlatformConfig->C1ePlatformData != 0);
if ((PlatformConfig->C1ePlatformData != 0) && (PlatformConfig->C1ePlatformData < 0xFFFE)) {
IsEnabled = TRUE;
if (IsNonCoherentHt1 (StdHeader)) {
IsEnabled = FALSE;
} else {
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;
}
}
}
}
}
}
return IsEnabled;
}
/**
* Should Power Status Indicator (PSI) be enabled
*
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config Handle for library, services.
*
* @retval TRUE PSI is supported.
* @retval FALSE PSI cannot be enabled.
*
*/
BOOLEAN
STATIC
IsPsiFeatureEnabled (
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 Socket;
BOOLEAN IsEnabled;
PSI_FAMILY_SERVICES *PsiFamilyServices;
UINT32 VrmType;
IsEnabled = FALSE;
for (VrmType = 0; VrmType < MaxVrmType; VrmType++) {
if (PlatformConfig->VrmProperties[VrmType].LowPowerThreshold != 0) {
IsEnabled = TRUE;
break;
}
}
if (!IsEnabled) {
return FALSE;
}
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetFeatureServicesOfSocket (&PsiFamilyServiceTable, Socket, (CONST VOID **)&PsiFamilyServices, StdHeader);
if ((PsiFamilyServices == NULL) || (!PsiFamilyServices->IsPsiSupported (PsiFamilyServices, Socket, PlatformConfig, StdHeader))) {
IsEnabled = FALSE;
break;
}
}
}
return IsEnabled;
}
/**
* 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);
}
/**
* 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 EnabledComputeUnit;
UINT32 SocketAndModule;
UINT32 LowCore;
UINT32 HighCore;
UINT32 LeveledCores;
UINT32 RequestedCores;
UINT32 TotalEnabledCoresOnNode;
BOOLEAN RegUpdated;
CORE_LEVELING_TYPE CoreLevelMode;
CPU_CORE_LEVELING_FAMILY_SERVICES *FamilySpecificServices;
WARM_RESET_REQUEST Request;
IDS_HDT_CONSOLE (CPU_TRACE, "CoreLevelingAtEarly\n CoreLevelMode: %d\n", PlatformConfig->CoreLevelingMode);
LeveledCores = 0;
SocketAndModule = 0;
ASSERT (PlatformConfig->CoreLevelingMode < CoreLevelModeMax);
// Get OEM IO core level mode
CoreLevelMode = (CORE_LEVELING_TYPE) PlatformConfig->CoreLevelingMode;
// Collect cpu core info
GetGivenModuleCoreRange (0, 0, &LowCore, &HighCore, StdHeader);
// Get the highest and lowest core count in all nodes
TotalEnabledCoresOnNode = HighCore - LowCore + 1;
switch (GetComputeUnitMapping (StdHeader)) {
case AllCoresMapping:
// All cores are in their own compute unit.
CoreNumPerComputeUnit = 1;
EnabledComputeUnit = TotalEnabledCoresOnNode;
break;
case EvenCoresMapping:
// Cores are paired in compute units.
CoreNumPerComputeUnit = 2;
EnabledComputeUnit = (TotalEnabledCoresOnNode / 2);
break;
case TripleCoresMapping:
// Three cores are grouped in compute units.
CoreNumPerComputeUnit = 3;
EnabledComputeUnit = (TotalEnabledCoresOnNode / 3);
break;
case QuadCoresMapping:
// Four cores are grouped in compute units.
CoreNumPerComputeUnit = 4;
EnabledComputeUnit = (TotalEnabledCoresOnNode / 4);
break;
default:
CoreNumPerComputeUnit = 1;
EnabledComputeUnit = TotalEnabledCoresOnNode;
ASSERT (FALSE);
}
IDS_HDT_CONSOLE (CPU_TRACE, " TotalEnabledCoresOnNode %d EnabledComputeUnit %d\n", \
TotalEnabledCoresOnNode, EnabledComputeUnit);
// Get LeveledCores
switch (CoreLevelMode) {
case CORE_LEVEL_LOWEST:
return (AGESA_SUCCESS);
break;
case CORE_LEVEL_TWO:
LeveledCores = 2;
LeveledCores = (LeveledCores <= TotalEnabledCoresOnNode) ? LeveledCores : TotalEnabledCoresOnNode;
if (LeveledCores != 2) {
PutEventLog (
AGESA_WARNING,
CPU_WARNING_ADJUSTED_LEVELING_MODE,
2, LeveledCores, 0, 0, StdHeader
);
}
break;
case CORE_LEVEL_POWER_OF_TWO:
// Level to power of 2 (1, 2, 4, 8...)
LeveledCores = 1;
while (TotalEnabledCoresOnNode >= (LeveledCores * 2)) {
LeveledCores = LeveledCores * 2;
}
break;
case CORE_LEVEL_COMPUTE_UNIT:
case CORE_LEVEL_COMPUTE_UNIT_TWO:
case CORE_LEVEL_COMPUTE_UNIT_THREE:
// Level cores to 1~3 core(s) 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.
return (AGESA_SUCCESS);
} else {
// If there are more than one core per compute unit, level to the number of compute units * cores per compute unit.
LeveledCores = EnabledComputeUnit * (CoreLevelMode - CORE_LEVEL_COMPUTE_UNIT + 1);
}
break;
case CORE_LEVEL_ONE:
LeveledCores = 1;
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:
// Processors with compute units disable all cores in an entire compute unit at a time
// For example, on a 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.
RequestedCores = CoreLevelMode - CORE_LEVEL_THREE + 3;
LeveledCores = RequestedCores;
LeveledCores = (LeveledCores / CoreNumPerComputeUnit) * CoreNumPerComputeUnit;
LeveledCores = (LeveledCores <= TotalEnabledCoresOnNode) ? LeveledCores : TotalEnabledCoresOnNode;
if (LeveledCores != 1) {
LeveledCores = (LeveledCores / CoreNumPerComputeUnit) * CoreNumPerComputeUnit;
}
if (LeveledCores != RequestedCores) {
PutEventLog (
AGESA_WARNING,
CPU_WARNING_ADJUSTED_LEVELING_MODE,
RequestedCores, LeveledCores, 0, 0, StdHeader
);
}
break;
default:
ASSERT (FALSE);
}
// Set down core register
GetFeatureServicesOfSocket (&CoreLevelingFamilyServiceTable, 0, (CONST VOID **)&FamilySpecificServices, StdHeader);
if (FamilySpecificServices != NULL) {
IDS_HDT_CONSOLE (CPU_TRACE, " SetDownCoreRegister: LeveledCores %d CoreLevelMode %d\n", LeveledCores, CoreLevelMode);
RegUpdated = FamilySpecificServices->SetDownCoreRegister (FamilySpecificServices, &SocketAndModule, &SocketAndModule, &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;
IDS_HDT_CONSOLE (CPU_TRACE, " Request a warm reset.\n");
SetWarmResetFlag (StdHeader, &Request);
}
}
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;
}
/**
* 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;
}
/**
* 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) &&
!(IsSecureS3 (StdHeader))) {
// 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;
}
/**
* Save and Restore or Initialize the content of the mailbox registers.
*
* The registers used for AP mailbox should have the content related to their function
* preserved.
*
* @param[in] EntryPoint Timepoint designator.
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config Handle for library, services.
*
* @return AGESA_SUCCESS Always succeeds.
*
*/
AGESA_STATUS
STATIC
PreserveMailboxes (
IN UINT64 EntryPoint,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
PRESERVE_MAILBOX_FAMILY_SERVICES *FamilySpecificServices;
UINT32 Socket;
UINT32 Module;
PCI_ADDR BaseAddress;
PCI_ADDR MailboxRegister;
PCI_ADDR *NextRegister;
AGESA_STATUS IgnoredStatus;
AGESA_STATUS HeapStatus;
UINT32 Value;
ALLOCATE_HEAP_PARAMS AllocateParams;
LOCATE_HEAP_PTR LocateParams;
UINT32 RegisterEntryIndex;
BaseAddress.AddressValue = ILLEGAL_SBDFO;
if (EntryPoint == CPU_FEAT_AFTER_COHERENT_DISCOVERY) {
// The save step. Save either the register content or zero (for cold boot, if family specifies that).
AllocateParams.BufferHandle = PRESERVE_MAIL_BOX_HANDLE;
AllocateParams.RequestedBufferSize = (sizeof (UINT32) * (MAX_PRESERVE_REGISTER_ENTRIES * (MAX_SOCKETS * MAX_DIES)));
AllocateParams.Persist = HEAP_SYSTEM_MEM;
HeapStatus = HeapAllocateBuffer (&AllocateParams, StdHeader);
ASSERT ((HeapStatus == AGESA_SUCCESS) && (AllocateParams.BufferPtr != NULL));
LibAmdMemFill (AllocateParams.BufferPtr, 0xFF, AllocateParams.RequestedBufferSize, StdHeader);
RegisterEntryIndex = 0;
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
for (Module = 0; Module < GetPlatformNumberOfModules (); Module++) {
if (GetPciAddress (StdHeader, Socket, Module, &BaseAddress, &IgnoredStatus)) {
GetFeatureServicesOfSocket (&PreserveMailboxFamilyServiceTable, Socket, (const VOID **)&FamilySpecificServices, StdHeader);
ASSERT (FamilySpecificServices != NULL);
NextRegister = FamilySpecificServices->RegisterList;
while (NextRegister->AddressValue != ILLEGAL_SBDFO) {
ASSERT (RegisterEntryIndex <
(MAX_PRESERVE_REGISTER_ENTRIES * GetPlatformNumberOfSockets () * GetPlatformNumberOfModules ()));
if (FamilySpecificServices->IsZeroOnCold && (!IsWarmReset (StdHeader))) {
Value = 0;
} else {
MailboxRegister = BaseAddress;
MailboxRegister.Address.Function = NextRegister->Address.Function;
MailboxRegister.Address.Register = NextRegister->Address.Register;
LibAmdPciRead (AccessWidth32, MailboxRegister, &Value, StdHeader);
}
(* (MAILBOX_REGISTER_SAVE_ENTRY) AllocateParams.BufferPtr) [RegisterEntryIndex] = Value;
RegisterEntryIndex++;
NextRegister++;
}
}
}
}
} else if ((EntryPoint == CPU_FEAT_INIT_LATE_END) || (EntryPoint == CPU_FEAT_AFTER_RESUME_MTRR_SYNC)) {
// The restore step. Just write out the saved content in the buffer.
LocateParams.BufferHandle = PRESERVE_MAIL_BOX_HANDLE;
HeapStatus = HeapLocateBuffer (&LocateParams, StdHeader);
ASSERT ((HeapStatus == AGESA_SUCCESS) && (LocateParams.BufferPtr != NULL));
RegisterEntryIndex = 0;
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
for (Module = 0; Module < GetPlatformNumberOfModules (); Module++) {
if (GetPciAddress (StdHeader, Socket, Module, &BaseAddress, &IgnoredStatus)) {
GetFeatureServicesOfSocket (&PreserveMailboxFamilyServiceTable, Socket, (const VOID **)&FamilySpecificServices, StdHeader);
NextRegister = FamilySpecificServices->RegisterList;
while (NextRegister->AddressValue != ILLEGAL_SBDFO) {
ASSERT (RegisterEntryIndex <
(MAX_PRESERVE_REGISTER_ENTRIES * GetPlatformNumberOfSockets () * GetPlatformNumberOfModules ()));
MailboxRegister = BaseAddress;
MailboxRegister.Address.Function = NextRegister->Address.Function;
MailboxRegister.Address.Register = NextRegister->Address.Register;
Value = (* (MAILBOX_REGISTER_SAVE_ENTRY) LocateParams.BufferPtr) [RegisterEntryIndex];
LibAmdPciWrite (AccessWidth32, MailboxRegister, &Value, StdHeader);
RegisterEntryIndex++;
NextRegister++;
}
}
}
}
HeapStatus = HeapDeallocateBuffer (PRESERVE_MAIL_BOX_HANDLE, StdHeader);
}
return AGESA_SUCCESS;
}
