/**
* Multisocket BSC call to determine the maximum number of steps that any single
* processor needs to execute.
*
* This function loops through all possible socket locations, gathering the number
* of power management steps each populated socket requires, and returns the
* highest number.
*
* @param[out] NumSystemSteps Maximum number of system steps required
* @param[in] StdHeader Config handle for library and services
*
*/
VOID
GetNumberOfSystemPmStepsPtrMulti (
OUT UINT8 *NumSystemSteps,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT8 NumberOfSteps;
UINT32 NumberOfSockets;
UINT32 Socket;
SYS_PM_TBL_STEP *Ignored;
CPU_SPECIFIC_SERVICES *FamilySpecificServices;
NumberOfSockets = GetPlatformNumberOfSockets ();
*NumSystemSteps = 0;
for (Socket = 0; Socket < NumberOfSockets; Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetCpuServicesOfSocket (Socket, (CONST CPU_SPECIFIC_SERVICES **)&FamilySpecificServices, StdHeader);
FamilySpecificServices->GetSysPmTableStruct (FamilySpecificServices, (CONST VOID **) &Ignored, &NumberOfSteps, StdHeader);
if (NumberOfSteps > *NumSystemSteps) {
*NumSystemSteps = NumberOfSteps;
}
}
}
}
/**
* Single socket BSC call to determine the maximum number of steps that any single
* processor needs to execute.
*
* This function simply returns the number of steps that the BSC needs.
*
* @param[out] NumSystemSteps Maximum number of system steps required
* @param[in] StdHeader Config handle for library and services
*
*/
VOID
GetNumberOfSystemPmStepsPtrSingle (
OUT UINT8 *NumSystemSteps,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
SYS_PM_TBL_STEP *Ignored;
CPU_SPECIFIC_SERVICES *FamilySpecificServices;
GetCpuServicesOfCurrentCore (&FamilySpecificServices, StdHeader);
FamilySpecificServices->GetSysPmTableStruct (FamilySpecificServices, (CONST VOID **) &Ignored, NumSystemSteps, StdHeader);
}
/**
* Performs the next step in the executing core 0's family specific power
* management table.
*
* This function determines if the input step is valid, and invokes the power
* management step if appropriate. This must be run by processor core 0s only.
*
* @param[in] Step Zero based step number
* @param[in] StdHeader Config handle for library and services
* @param[in] CpuEarlyParamsPtr Required input parameters for early CPU initialization
*
*/
VOID
STATIC
PerformThisPmStep (
IN VOID *Step,
IN AMD_CONFIG_PARAMS *StdHeader,
IN AMD_CPU_EARLY_PARAMS *CpuEarlyParamsPtr
)
{
UINT8 MyNumberOfSteps;
UINT32 ExeResetFlags;
SYS_PM_TBL_STEP *FamilyTablePtr;
CPU_SPECIFIC_SERVICES *FamilySpecificServices;
BOOLEAN ThisIsWarmReset;
BOOLEAN NoResetLimit;
BOOLEAN NotConflictResetLimit;
BOOLEAN WarmResetOnly;
BOOLEAN ColdResetOnly;
GetCpuServicesOfCurrentCore ((CONST CPU_SPECIFIC_SERVICES **)&FamilySpecificServices, StdHeader);
FamilySpecificServices->GetSysPmTableStruct (FamilySpecificServices, (CONST VOID **) &FamilyTablePtr, &MyNumberOfSteps, StdHeader);
if (*(UINT8 *)Step < MyNumberOfSteps) {
if (FamilyTablePtr[*(UINT8 *)Step].FuncPtr != NULL) {
ExeResetFlags = FamilyTablePtr[*(UINT8 *)Step].ExeFlags & (PM_EXEFLAGS_COLD_ONLY | PM_EXEFLAGS_WARM_ONLY);
ThisIsWarmReset = IsWarmReset (StdHeader);
NoResetLimit = (ExeResetFlags == 0) ? TRUE : FALSE;
NotConflictResetLimit = (BOOLEAN) (ExeResetFlags != (PM_EXEFLAGS_COLD_ONLY | PM_EXEFLAGS_WARM_ONLY));
WarmResetOnly = (BOOLEAN) ((ExeResetFlags & PM_EXEFLAGS_WARM_ONLY) == PM_EXEFLAGS_WARM_ONLY);
ColdResetOnly = (BOOLEAN) ((ExeResetFlags & PM_EXEFLAGS_COLD_ONLY) == PM_EXEFLAGS_COLD_ONLY);
IDS_HDT_CONSOLE (CPU_TRACE, " \tIsWarmReset = %d.\n", ThisIsWarmReset);
IDS_HDT_CONSOLE (CPU_TRACE, " \tNoResetLimit = %d\n", NoResetLimit);
IDS_HDT_CONSOLE (CPU_TRACE, " \tNotConflictResetLimit = %d\n", NotConflictResetLimit);
IDS_HDT_CONSOLE (CPU_TRACE, " \tWarmResetOnly = %d\n", WarmResetOnly);
IDS_HDT_CONSOLE (CPU_TRACE, " \tColdResetOnly = %d\n", ColdResetOnly);
ASSERT (NotConflictResetLimit);
if (NoResetLimit ||
(NotConflictResetLimit &&
((WarmResetOnly && ThisIsWarmReset) || (ColdResetOnly && !ThisIsWarmReset)))) {
FamilyTablePtr[*(UINT8 *)Step].FuncPtr (FamilySpecificServices, CpuEarlyParamsPtr, StdHeader);
} else {
IDS_HDT_CONSOLE (CPU_TRACE, " \t\tThis PM init step was skipped!\n");
}
}
}
}
/**
* Performs the next step in the executing core 0's family specific power
* management table.
*
* This function determines if the input step is valid, and invokes the power
* management step if appropriate. This must be run by processor core 0s only.
*
* @param[in] Step Zero based step number
* @param[in] StdHeader Config handle for library and services
* @param[in] CpuEarlyParamsPtr Required input parameters for early CPU initialization
*
*/
VOID
STATIC
PerformThisPmStep (
IN VOID *Step,
IN AMD_CONFIG_PARAMS *StdHeader,
IN AMD_CPU_EARLY_PARAMS *CpuEarlyParamsPtr
)
{
UINT8 MyNumberOfSteps;
SYS_PM_TBL_STEP *FamilyTablePtr;
CPU_SPECIFIC_SERVICES *FamilySpecificServices;
GetCpuServicesOfCurrentCore (&FamilySpecificServices, StdHeader);
FamilySpecificServices->GetSysPmTableStruct (FamilySpecificServices, &FamilyTablePtr, &MyNumberOfSteps, StdHeader);
if (*(UINT8 *)Step < MyNumberOfSteps) {
if (FamilyTablePtr[*(UINT8 *)Step].FuncPtr != NULL) {
if (!(BOOLEAN) (FamilyTablePtr[*(UINT8 *)Step].ExeFlags & PM_EXEFLAGS_WARM_ONLY) ||
IsWarmReset (StdHeader)) {
FamilyTablePtr[*(UINT8 *)Step].FuncPtr (FamilySpecificServices, CpuEarlyParamsPtr, StdHeader);
}
}
}
}