/**
* Enable DA-C Cpu Cache Flush On Halt Function
*
* @param[in] FamilySpecificServices The current Family Specific Services.
* @param[in] EntryPoint Timepoint designator.
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config Handle for library, services.
*/
VOID
SetF10DaCacheFlushOnHaltRegister (
IN CPU_CFOH_FAMILY_SERVICES *FamilySpecificServices,
IN UINT64 EntryPoint,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 CoreCount;
UINT32 AndMask;
UINT32 OrMask;
PCI_ADDR PciAddress;
CPU_LOGICAL_ID LogicalId;
if ((EntryPoint & CPU_FEAT_AFTER_POST_MTRR_SYNC) != 0) {
// F3xDC[25:19] = 04h
// F3xDC[18:16] = 111b
PciAddress.Address.Function = FUNC_3;
PciAddress.Address.Register = CLOCK_POWER_TIMING_CTRL2_REG;
AndMask = 0xFC00FFFF;
OrMask = 0x00270000;
GetLogicalIdOfCurrentCore (&LogicalId, StdHeader);
if (LogicalId.Revision == AMD_F10_DA_C2) {
//For DA_C2 single Core, F3xDC[18:16] = 0
GetActiveCoresInCurrentSocket (&CoreCount, StdHeader);
if (CoreCount == 1) {
OrMask = 0x00200000;
}
}
IDS_OPTION_HOOK (IDS_CACHE_FLUSH_HLT, &OrMask, StdHeader);
OptionMultiSocketConfiguration.ModifyCurrSocketPci (&PciAddress, AndMask, OrMask, StdHeader); // F3xDC
}
}
/**
* Entry point for enabling Application Power Management
*
* This function must be run after all P-State routines have been executed
*
* @param[in] ApmServices The current CPU's family services.
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config handle for library and services.
*
* @retval AGESA_SUCCESS Always succeeds.
*
*/
AGESA_STATUS
STATIC
F15InitializeApm (
IN APM_FAMILY_SERVICES *ApmServices,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 LocalPciRegister;
PCI_ADDR PciAddress;
PciAddress.Address.Function = FUNC_4;
PciAddress.Address.Register = CPB_CTRL_REG;
LocalPciRegister = 0;
((F15_CPB_CTRL_REGISTER *) (&LocalPciRegister))->ApmMasterEn = 1;
OptionMultiSocketConfiguration.ModifyCurrSocketPci (&PciAddress, 0xFFFFFFFF, LocalPciRegister, StdHeader);
return AGESA_SUCCESS;
}
/**
* Family 15h core 0 entry point for performing the family 15h Processor-
* Systemboard Power Delivery Check.
*
* The steps are as follows:
* 1. Starting with P0, loop through all P-states until a passing state is
* found. A passing state is one in which the current required by the
* CPU is less than the maximum amount of current that the system can
* provide to the CPU. If P0 is under the limit, no further action is
* necessary.
* 2. If at least one P-State is under the limit & at least one P-State is
* over the limit, the BIOS must:
* a. If the processor's current P-State is disabled by the power check,
* then the BIOS must request a transition to an enabled P-state
* using MSRC001_0062[PstateCmd] and wait for MSRC001_0063[CurPstate]
* to reflect the new value.
* b. Copy the contents of the enabled P-state MSRs to the highest
* performance P-state locations.
* c. Request a P-state transition to the P-state MSR containing the
* COF/VID values currently applied.
* d. If a subset of boosted P-states are disabled, then copy the contents
* of the highest performance boosted P-state still enabled to the
* boosted P-states that have been disabled.
* e. If all boosted P-states are disabled, then program D18F4x15C[BoostSrc]
* to zero.
* f. Adjust the following P-state parameters affected by the P-state
* MSR copy by subtracting the number of P-states that are disabled
* by the power check.
* 1. F3x64[HtcPstateLimit]
* 2. F3x68[SwPstateLimit]
* 3. F3xDC[PstateMaxVal]
* 3. If all P-States are over the limit, the BIOS must:
* a. If the processor's current P-State is !=F3xDC[PstateMaxVal], then
* write F3xDC[PstateMaxVal] to MSRC001_0062[PstateCmd] and wait for
* MSRC001_0063[CurPstate] to reflect the new value.
* b. If MSRC001_0061[PstateMaxVal]!=000b, copy the contents of the P-state
* MSR pointed to by F3xDC[PstateMaxVal] to the software P0 MSR.
* Write 000b to MSRC001_0062[PstateCmd] and wait for MSRC001_0063
* [CurPstate] to reflect the new value.
* c. Adjust the following P-state parameters to zero:
* 1. F3x64[HtcPstateLimit]
* 2. F3x68[SwPstateLimit]
* 3. F3xDC[PstateMaxVal]
* d. Program D18F4x15C[BoostSrc] to zero.
*
* @param[in] FamilySpecificServices The current Family Specific Services.
* @param[in] CpuEarlyParams Service parameters
* @param[in] StdHeader Config handle for library and services.
*
*/
VOID
F15PmPwrCheck (
IN CPU_SPECIFIC_SERVICES *FamilySpecificServices,
IN AMD_CPU_EARLY_PARAMS *CpuEarlyParams,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT8 DisPsNum;
UINT8 PsMaxVal;
UINT8 Pstate;
UINT32 ProcIddMax;
UINT32 LocalPciRegister;
UINT32 Socket;
UINT32 Module;
UINT32 Core;
UINT32 AndMask;
UINT32 OrMask;
UINT32 PstateLimit;
PCI_ADDR PciAddress;
UINT64 LocalMsrRegister;
AP_TASK TaskPtr;
AGESA_STATUS IgnoredSts;
PWRCHK_ERROR_DATA ErrorData;
UINT32 NumModules;
UINT32 HighCore;
UINT32 LowCore;
UINT32 ModuleIndex;
// get the socket number
IdentifyCore (StdHeader, &Socket, &Module, &Core, &IgnoredSts);
ErrorData.SocketNumber = (UINT8) Socket;
ASSERT (Core == 0);
// get the Max P-state value
for (PsMaxVal = NM_PS_REG - 1; PsMaxVal != 0; --PsMaxVal) {
LibAmdMsrRead (PS_REG_BASE + PsMaxVal, &LocalMsrRegister, StdHeader);
if (((F15_PSTATE_MSR *) &LocalMsrRegister)->PsEnable == 1) {
break;
}
}
ErrorData.HwPstateNumber = (UINT8) (PsMaxVal + 1);
// Starting with P0, loop through all P-states until a passing state is
// found. A passing state is one in which the current required by the
// CPU is less than the maximum amount of current that the system can
// provide to the CPU. If P0 is under the limit, no further action is
// necessary.
DisPsNum = 0;
for (Pstate = 0; Pstate < ErrorData.HwPstateNumber; Pstate++) {
if (FamilySpecificServices->GetProcIddMax (FamilySpecificServices, Pstate, &ProcIddMax, StdHeader)) {
if (ProcIddMax > CpuEarlyParams->PlatformConfig.VrmProperties[CoreVrm].CurrentLimit) {
// Add to event log the Pstate that exceeded the current limit
PutEventLog (AGESA_WARNING,
CPU_EVENT_PM_PSTATE_OVERCURRENT,
Socket, Pstate, 0, 0, StdHeader);
DisPsNum++;
} else {
break;
}
}
}
ErrorData.AllowablePstateNumber = ((PsMaxVal + 1) - DisPsNum);
if (ErrorData.AllowablePstateNumber == 0) {
PutEventLog (AGESA_FATAL,
CPU_EVENT_PM_ALL_PSTATE_OVERCURRENT,
Socket, 0, 0, 0, StdHeader);
}
if (DisPsNum != 0) {
GetPciAddress (StdHeader, Socket, Module, &PciAddress, &IgnoredSts);
PciAddress.Address.Function = FUNC_4;
PciAddress.Address.Register = CPB_CTRL_REG;
LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); // F4x15C
ErrorData.NumberOfBoostStates = (UINT8) ((F15_CPB_CTRL_REGISTER *) &LocalPciRegister)->NumBoostStates;
if (DisPsNum >= ErrorData.NumberOfBoostStates) {
// If all boosted P-states are disabled, then program D18F4x15C[BoostSrc] to zero.
AndMask = 0xFFFFFFFF;
((F15_CPB_CTRL_REGISTER *) &AndMask)->BoostSrc = 0;
OrMask = 0x00000000;
OptionMultiSocketConfiguration.ModifyCurrSocketPci (&PciAddress, AndMask, OrMask, StdHeader); // F4x15C
// Update the result of isFeatureEnabled in heap.
UpdateFeatureStatusInHeap (CoreBoost, FALSE, StdHeader);
ErrorData.NumberOfSwPstatesDisabled = DisPsNum - ErrorData.NumberOfBoostStates;
} else {
ErrorData.NumberOfSwPstatesDisabled = 0;
}
NumModules = GetPlatformNumberOfModules ();
// Only execute this loop if this is an MCM.
if (NumModules > 1) {
// Since the P-State MSRs are shared across a
// node, we only need to set one core in the node for the modified number of supported p-states
// to be reported across all of the cores in the module.
TaskPtr.FuncAddress.PfApTaskI = F15PmPwrCheckCore;
TaskPtr.DataTransfer.DataSizeInDwords = SIZE_IN_DWORDS (PWRCHK_ERROR_DATA);
TaskPtr.DataTransfer.DataPtr = &ErrorData;
TaskPtr.DataTransfer.DataTransferFlags = 0;
TaskPtr.ExeFlags = WAIT_FOR_CORE;
for (ModuleIndex = 0; ModuleIndex < NumModules; ModuleIndex++) {
// Execute the P-State reduction code on the module's primary core only.
// Skip this code for the BSC's module.
if (ModuleIndex != Module) {
if (GetGivenModuleCoreRange (Socket, ModuleIndex, &LowCore, &HighCore, StdHeader)) {
ApUtilRunCodeOnSocketCore ((UINT8)Socket, (UINT8)LowCore, &TaskPtr, StdHeader);
}
}
}
}
// Path for SCM and the BSC
F15PmPwrCheckCore (&ErrorData, StdHeader);
// Final Step
// F3x64[HtPstatelimit] -= disPsNum
// F3x68[SwPstateLimit] -= disPsNum
// F3xDC[PstateMaxVal] -= disPsNum
PciAddress.Address.Function = FUNC_3;
PciAddress.Address.Register = HTC_REG;
AndMask = 0xFFFFFFFF;
((HTC_REGISTER *) &AndMask)->HtcPstateLimit = 0;
OrMask = 0x00000000;
LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); // F3x64
PstateLimit = ((HTC_REGISTER *) &LocalPciRegister)->HtcPstateLimit;
if (PstateLimit > ErrorData.NumberOfSwPstatesDisabled) {
PstateLimit -= ErrorData.NumberOfSwPstatesDisabled;
((HTC_REGISTER *) &OrMask)->HtcPstateLimit = PstateLimit;
}
OptionMultiSocketConfiguration.ModifyCurrSocketPci (&PciAddress, AndMask, OrMask, StdHeader); // F3x64
PciAddress.Address.Register = SW_PS_LIMIT_REG;
AndMask = 0xFFFFFFFF;
((SW_PS_LIMIT_REGISTER *) &AndMask)->SwPstateLimit = 0;
OrMask = 0x00000000;
LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); // F3x68
PstateLimit = ((SW_PS_LIMIT_REGISTER *) &LocalPciRegister)->SwPstateLimit;
if (PstateLimit > ErrorData.NumberOfSwPstatesDisabled) {
PstateLimit -= ErrorData.NumberOfSwPstatesDisabled;
((SW_PS_LIMIT_REGISTER *) &OrMask)->SwPstateLimit = PstateLimit;
}
OptionMultiSocketConfiguration.ModifyCurrSocketPci (&PciAddress, AndMask, OrMask, StdHeader); // F3x68
PciAddress.Address.Register = CPTC2_REG;
AndMask = 0xFFFFFFFF;
((CLK_PWR_TIMING_CTRL2_REGISTER *) &AndMask)->PstateMaxVal = 0;
OrMask = 0x00000000;
LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); // F3xDC
PstateLimit = ((CLK_PWR_TIMING_CTRL2_REGISTER *) &LocalPciRegister)->PstateMaxVal;
if (PstateLimit > ErrorData.NumberOfSwPstatesDisabled) {
PstateLimit -= ErrorData.NumberOfSwPstatesDisabled;
((CLK_PWR_TIMING_CTRL2_REGISTER *) &OrMask)->PstateMaxVal = PstateLimit;
}
OptionMultiSocketConfiguration.ModifyCurrSocketPci (&PciAddress, AndMask, OrMask, StdHeader); // F3xDC
}
}
