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+/**
+* @file
+*
+* ALIB PSPP ASL library
+*
+*
+*
+* @xrefitem bom "File Content Label" "Release Content"
+* @e project: AGESA
+* @e sub-project: GNB
+* @e \$Revision: 49911 $ @e \$Date: 2011-03-30 17:43:29 +0800 (Wed, 30 Mar 2011) $
+*
+*/
+/*
+*****************************************************************************
+*
+* 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.
+* ***************************************************************************
+*
+*/
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * PCIe Performance Policy
+ *
+ * varPsppPolicy - 0 Disabled
+ * 1 Performance
+ * 2 Balance Hight
+ * 3 Balance Low
+ * 4 Power Saving
+ */
+ Name (
+ AD02,
+ 0x0
+ )
+
+ Alias (
+ AD02,
+ varPsppPolicy
+ )
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * GEN2 VID
+ *
+ */
+
+ Name (
+ AD03,
+ 0x0
+ )
+
+ Alias (
+ AD03,
+ varGen2Vid
+ )
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * GEN1 VID
+ *
+ */
+ Name (
+ AD04,
+ 0x0
+ )
+
+ Alias (
+ AD04,
+ varGen1Vid
+ )
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Boot VID
+ *
+ */
+
+ Name (
+ AD05,
+ 0x0
+ )
+
+ Alias (
+ AD05,
+ varBootVid
+ )
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Max Port link speed
+ *
+ */
+ Name (AD06, Package () {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})
+
+ Alias (AD06, varMaxLinkSpeed)
+
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Max link speed that was changed during runtime (hotplug for instance)
+ *
+ */
+
+ Name (AD08, Package () {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})
+
+ Alias (AD08, varOverrideLinkSpeed)
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Policy service status
+ *
+ * varPsppPolicyService - 0 (Stopped)
+ * 1 (Started)
+ */
+
+ Name (varPsppPolicyService, 0x0 )
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * AC DC state
+ *
+ * varPsppAcDcState - 0 (AC)
+ * 1 (DC)
+ */
+
+ Name (varPsppAcDcState, 0x0)
+ Name (varPsppAcDcOverride, 0x1)
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Client ID array
+ *
+ */
+
+ Name (varPsppClientIdArray,
+ Package () {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000}
+ )
+
+ Name (varDefaultPsppClientIdArray,
+ Package () {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000}
+ )
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * LInk speed requested by device driver
+ *
+ */
+
+ Name (varRequestedLinkSpeed, Package () {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Current link speed
+ *
+ */
+ Name (AD09, Package () {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 })
+ Alias (AD09, varCurrentLinkSpeed)
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Template link speed
+ *
+ */
+ Name (
+ varGen1LinkSpeedTemplate,
+ Package () {
+ DEF_LINK_SPEED_GEN1,
+ DEF_LINK_SPEED_GEN1,
+ DEF_LINK_SPEED_GEN1,
+ DEF_LINK_SPEED_GEN1,
+ DEF_LINK_SPEED_GEN1,
+ DEF_LINK_SPEED_GEN1,
+ DEF_LINK_SPEED_GEN1,
+ DEF_LINK_SPEED_GEN1
+ })
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Template link speed
+ *
+ */
+ Name (varLowVoltageRequest, Package () {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 })
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Global varuable
+ *
+ */
+ Name (varPortIndex, 0)
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Sclk VID that was changed during runtime
+ *
+ */
+
+ Name (AD10, Package () {0x00, 0x00, 0x00, 0x00})
+
+ Alias (AD10, varSclkVid)
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Report AC/DC state
+ *
+ * Arg0 - Data Buffer
+ */
+ Method (procPsppReportAcDsState, 1, Serialized) {
+ Store ("PsppReportAcDsState Enter", Debug)
+
+ Store (DeRefOf (Index (Arg0, 0x2)), varArgAcDcStateLocal1)
+ Store (Concatenate (" AC/DC state: ", ToHexString (varArgAcDcStateLocal1), varStringBuffer), Debug)
+
+ Store (procPsppGetAcDcState(), varCurrentAcDcStateLocal0)
+ Store (varArgAcDcStateLocal1, varPsppAcDcState)
+
+ Or (ShiftLeft (1, DEF_SCARTCH_PSPP_ACDC_OFFSET), ShiftLeft (1, DEF_SCARTCH_PSPP_ACDC_OVR_OFFSET), Local2)
+ Or (ShiftLeft (varPsppAcDcState, DEF_SCARTCH_PSPP_ACDC_OFFSET), ShiftLeft (varPsppAcDcOverride, DEF_SCARTCH_PSPP_ACDC_OVR_OFFSET), Local3)
+ procIndirectRegisterRMW (0x0, 0x60, 0xF4, Not (Local2), And (Local2, Local3))
+
+
+ if (LEqual (varArgAcDcStateLocal1, varCurrentAcDcStateLocal0)) {
+ Store (" No action. [AC/DC state not changed]", Debug)
+ Store ("PsppReportAcDsState Exit", Debug)
+ return (0)
+ }
+
+ // Disable both APM (boost) and PDM flow on DC event enable it on AC.
+ procApmPdmActivate(varPsppAcDcState)
+
+ // Set DPM state for Power Saving, due to this policy will not attend ApplyPsppState service.
+ if (LEqual (varPsppPolicy, DEF_PSPP_POLICY_POWERSAVING)) {
+ procNbLclkDpmActivate(DEF_LINK_SPEED_GEN1)
+#ifdef ALTVDDNB_SUPPORT
+ procNbAltVddNb (DEF_LINK_SPEED_GEN1)
+#endif
+ }
+ if (LOr (LLessEqual (varPsppPolicy, DEF_PSPP_POLICY_PERFORMANCE), LGreaterEqual (varPsppPolicy, DEF_PSPP_POLICY_POWERSAVING))) {
+ Store (" No action. [Policy type]", Debug)
+ Store ("PsppReportAcDsState Exit", Debug)
+ return (0)
+ }
+ if (LEqual (varPsppPolicyService, DEF_PSPP_POLICY_STOP)) {
+ Store (" No action. [Policy not started]", Debug)
+ Store ("PsppReportAcDsState Exit", Debug)
+ return (0)
+ }
+ procApplyPsppState ()
+ Store ("PsppReportAcDsState Exit", Debug)
+ return (0)
+ }
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * PCIe Performance Request
+ *
+ * Arg0 - Data Buffer
+ */
+ Method (procPsppPerformanceRequest, 1, NotSerialized) {
+ Store (procPsppProcessPerformanceRequest (Arg0), Local7)
+ Store (DeRefOf (Index (Local7, 2)), varReturnStatusLocal0)
+ if (LNotEqual (varReturnStatusLocal0, 2)) {
+ return (Local7)
+ }
+ procApplyPsppState ()
+ return (Local7)
+ }
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * PCIe Performance Request
+ *
+ * Arg0 - Data Buffer
+ */
+ Method (procPsppProcessPerformanceRequest, 1, NotSerialized) {
+ Store ("PsppProcessPerformanceRequest Enter", Debug)
+ Name (varClientBus, 0)
+ Store (0, varPortIndex)
+ Store (Buffer (10) {}, Local7)
+ CreateWordField (Local7, 0x0, varReturnBufferLength)
+ Store (3, varReturnBufferLength)
+ CreateByteField (Local7, 0x2, varReturnStatus)
+ Store (1, varReturnStatus)
+
+ if (LOr (LLessEqual (varPsppPolicy, DEF_PSPP_POLICY_PERFORMANCE), LGreaterEqual (varPsppPolicy, DEF_PSPP_POLICY_POWERSAVING))) {
+ Store (" No action. [Policy type]", Debug)
+ Store ("PsppPerformanceRequest Exit", Debug)
+ return (Local7)
+ }
+ if (LEqual (varPsppPolicyService, DEF_PSPP_POLICY_STOP)) {
+ Store (" No action. [Policy not started]", Debug)
+ Store ("PsppPerformanceRequest Exit", Debug)
+ return (Local7)
+ }
+ CreateWordField (Arg0, 0x2, varClientId)
+ CreateWordField (Arg0, 0x4, varValidFlag)
+ CreateWordField (Arg0, 0x6, varFlag)
+ CreateByteField (Arg0, 0x8, varRequestType)
+ CreateByteField (Arg0, 0x9, varRequestData)
+
+ Store (Concatenate (" Client ID : ", ToHexString (varClientId), varStringBuffer), Debug)
+ Store (Concatenate (" Valid Flags : ", ToHexString (varValidFlag), varStringBuffer), Debug)
+ Store (Concatenate (" Flags : ", ToHexString (varFlag), varStringBuffer), Debug)
+ Store (Concatenate (" Request Type: ", ToHexString (varRequestType), varStringBuffer), Debug)
+ Store (Concatenate (" Request Data: ", ToHexString (varRequestData), varStringBuffer), Debug)
+
+
+ And (ShiftRight (varClientId, 8), 0xff, varClientBus)
+ while (LLessEqual (varPortIndex, varMaxPortIndexNumber)) {
+ if (LEqual (procChecPortAllocated (varPortIndex), DEF_PORT_ALLOCATED)) {
+ Store (procPciDwordRead (ShiftLeft (Add( varPortIndex, 2), 3), 0x18), Local1)
+ And (ShiftRight (Local1, 16), 0xff, varSubordinateBusLocal2) //Local2 Port Subordinate Bus number
+ And (ShiftRight (Local1, 8), 0xff, varSecondaryBusLocal1) //Local1 Port Secondary Bus number
+ if (LAnd (LGreaterEqual (varClientBus, Local1), LLessEqual(varClientBus, Local2))) {
+ break
+ }
+ }
+ Increment (varPortIndex)
+ }
+ if (LGreater (varPortIndex, varMaxPortIndexNumber)) {
+ Store ("PsppPerformanceRequest Exit", Debug)
+ return (Local7)
+ }
+
+ Store (Concatenate (" Performance request for port index : ", ToHexString (varPortIndex), Local6), Debug)
+
+ if (LEqual (DeRefOf (Index (varPsppClientIdArray, varPortIndex)), 0x0000)) {
+ Store (varClientId, Index (varPsppClientIdArray, varPortIndex))
+ } ElseIf (LNotEqual (DeRefOf (Index (varPsppClientIdArray, varPortIndex)), varClientId)) {
+ // We already have registered client
+ Store (" No action. [Unsupported request]", Debug)
+ Store ("PsppPerformanceRequest Exit", Debug)
+ return (Local7)
+ }
+ Store (0, Index (varLowVoltageRequest, varPortIndex))
+ if (LEqual (varRequestData, 0)) {
+ Store (0x0000, Index (varPsppClientIdArray, varPortIndex))
+ }
+ if (LEqual (varRequestData, 1)) {
+ Store (1, Index (varLowVoltageRequest, varPortIndex))
+ }
+ if (LEqual (varRequestData, 2)) {
+ Store (DEF_LINK_SPEED_GEN1, Index (varRequestedLinkSpeed, varPortIndex))
+ }
+ if (LEqual (varRequestData, 3)) {
+ Store (DEF_LINK_SPEED_GEN2, Index (varRequestedLinkSpeed, varPortIndex))
+ }
+ if (LEqual (And (varValidFlag, varFlag), 0x1)) {
+ Store (DerefOf (Index (varMaxLinkSpeed, varPortIndex)), Index (varRequestedLinkSpeed, varPortIndex))
+ }
+ Store (2, varReturnStatus)
+ Store ("PsppProcessPerformanceRequest Exit", Debug)
+ return (Local7)
+ }
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * PSPP Start/Stop Management Request
+ *
+ * Arg0 - Data Buffer
+ */
+
+ Method (procChecPortAllocated, 1, Serialized) {
+ if (LEqual (DeRefOf (Index (varMaxLinkSpeed, Arg0)), 0)) {
+ return (DEF_PORT_NOT_ALLOCATED)
+ }
+ return (DEF_PORT_ALLOCATED)
+ }
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * PSPP Start/Stop Management Request
+ *
+ * Arg0 - Data Buffer
+ */
+ Method (procPsppControl, 1, Serialized) {
+ Store ("PsppControl Enter", Debug)
+ Store (Buffer (256) {}, Local7)
+ Store (3, Index (Local7, 0x0)) // Return Buffer Length
+ Store (0, Index (Local7, 0x1)) // Return Buffer Length
+ Store (0, Index (Local7, 0x2)) // Return Status
+
+ Store (DerefOf (Index (Arg0, 0x2)), varPsppPolicyService)
+
+ Store (procIndirectRegisterRead (0x0, 0x60, 0xF4), varPsppScratchLocal0)
+
+ if (LEqual (varPsppPolicyService, DEF_PSPP_POLICY_START)) {
+ if (LEqual (And (varPsppScratchLocal0, 1), DEF_PSPP_POLICY_START)) {
+ // Policy already started
+ Store (" No action. [Policy already started]", Debug)
+ Store ("PsppControl Exit", Debug)
+ return (Local7)
+ }
+ Or (varPsppScratchLocal0, DEF_PSPP_POLICY_START, varPsppScratchLocal0)
+ }
+ if (LEqual (varPsppPolicyService, DEF_PSPP_POLICY_STOP)) {
+ if (LEqual (And (varPsppScratchLocal0, 1), DEF_PSPP_POLICY_STOP)) {
+ // Policy already stopped
+ Store (" No action. [Policy already stopped]", Debug)
+ Store ("PsppControl Exit", Debug)
+ return (Local7)
+ }
+ And (varPsppScratchLocal0, Not (DEF_PSPP_POLICY_START), varPsppScratchLocal0)
+ }
+ Or (varPsppScratchLocal0, Shiftleft (varPsppPolicy, DEF_SCARTCH_PSPP_POLICY_OFFSET), varPsppScratchLocal0)
+ procIndirectRegisterWrite (0x0, 0x60, 0xF4, varPsppScratchLocal0)
+
+ procCopyPackage (RefOf (varDefaultPsppClientIdArray), RefOf (varPsppClientIdArray))
+
+ // Reevaluate APM/PDM state here on S3 resume while staying on DC.
+ procApmPdmActivate(varPsppAcDcState)
+
+ // Set DPM state for PSPP Power Saving, due to this policy will not attend ApplyPsppState service.
+ if (LEqual (varPsppPolicy, DEF_PSPP_POLICY_POWERSAVING)) {
+ procNbLclkDpmActivate(DEF_LINK_SPEED_GEN1)
+#ifdef ALTVDDNB_SUPPORT
+ procNbAltVddNb (DEF_LINK_SPEED_GEN1)
+#endif
+ }
+ //Reevaluate PCIe speed for all devices base on PSPP state switch to boot up voltage
+ if (LAnd (LGreater (varPsppPolicy, DEF_PSPP_POLICY_PERFORMANCE), LLess (varPsppPolicy, DEF_PSPP_POLICY_POWERSAVING))) {
+ // Load default speed capability state
+ if (LEqual (varPsppPolicy, DEF_PSPP_POLICY_BALANCEHIGH)) {
+ procCopyPackage (RefOf (varMaxLinkSpeed), RefOf (varCurrentLinkSpeed))
+ Store (0, varPortIndex)
+ while (LLessEqual (varPortIndex, varMaxPortIndexNumber)) {
+ if (LNotEqual (DeRefOf (Index (varOverrideLinkSpeed, varPortIndex)), 0)) {
+ Store (DeRefOf (Index (varOverrideLinkSpeed, varPortIndex)), Index (varCurrentLinkSpeed, varPortIndex))
+ }
+ Increment (varPortIndex)
+ }
+ } else {
+ procCopyPackage (RefOf (varGen1LinkSpeedTemplate), RefOf (varCurrentLinkSpeed))
+ }
+ procApplyPsppState ()
+ }
+ Store ("PsppControl Exit", Debug)
+ return (Local7)
+ }
+
+ Name (varNewLinkSpeed, Package () {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Evaluate PCIe speed on all links according to PSPP state and client requests
+ *
+ *
+ *
+ */
+ Method (procApplyPsppState, 0, Serialized) {
+ Store ("ApplyPsppState Enter", Debug)
+ Store (0, varPortIndex)
+
+ procCopyPackage (RefOf (varGen1LinkSpeedTemplate), RefOf (varNewLinkSpeed))
+ while (LLessEqual (varPortIndex, varMaxPortIndexNumber)) {
+ if (LEqual (procChecPortAllocated(varPortIndex), DEF_PORT_ALLOCATED)) {
+ Store (procGetPortRequestedCapability (varPortIndex), Index (varNewLinkSpeed, varPortIndex))
+ }
+ Increment (varPortIndex)
+ }
+ if (LNotEqual(Match (varLowVoltageRequest, MEQ, 0x01, MTR, 0, 0), ONES)) {
+ procCopyPackage (RefOf (varGen1LinkSpeedTemplate), RefOf (varNewLinkSpeed))
+ }
+ if (LNotEqual(Match (varNewLinkSpeed, MEQ, DEF_LINK_SPEED_GEN2, MTR, 0, 0), ONES)) {
+ // Set GEN2 voltage
+ Store ("Set GEN2 VID", Debug)
+#ifdef ALTVDDNB_SUPPORT
+ procNbAltVddNb (DEF_LINK_SPEED_GEN2)
+#endif
+ procPcieSetVoltage (varGen2Vid, 1)
+// procPcieAdjustPll (DEF_LINK_SPEED_GEN2)
+ procNbLclkDpmActivate(DEF_LINK_SPEED_GEN2)
+ }
+ Store (0, varPortIndex)
+ while (LLessEqual (varPortIndex, varMaxPortIndexNumber)) {
+ if (LEqual (procChecPortAllocated(varPortIndex), DEF_PORT_NOT_ALLOCATED)) {
+ Increment (varPortIndex)
+ continue
+ }
+ Store (DerefOf (Index (varCurrentLinkSpeed, varPortIndex)), varCurrentLinkSpeedLocal0)
+ Store (DerefOf (Index (varNewLinkSpeed, varPortIndex)), varNewLinkSpeedLocal2)
+ if (LEqual (varCurrentLinkSpeedLocal0, varNewLinkSpeedLocal2)) {
+ Increment (varPortIndex)
+ continue
+ }
+ Store (varNewLinkSpeedLocal2, Index (varCurrentLinkSpeed, varPortIndex))
+ procSetPortCapabilityAndSpeed (varPortIndex, varNewLinkSpeedLocal2)
+ Increment (varPortIndex)
+ }
+ if (LEqual(Match (varNewLinkSpeed, MEQ, DEF_LINK_SPEED_GEN2, MTR, 0, 0), ONES)) {
+ // Set GEN1 voltage
+ Store ("Set GEN1 VID", Debug)
+ procNbLclkDpmActivate(DEF_LINK_SPEED_GEN1)
+// procPcieAdjustPll (DEF_LINK_SPEED_GEN1)
+ procPcieSetVoltage (varGen1Vid, 0)
+#ifdef ALTVDDNB_SUPPORT
+ procNbAltVddNb (DEF_LINK_SPEED_GEN1)
+#endif
+ }
+#ifdef PHY_SPEED_REPORT_SUPPORT
+ procReportPhySpeedCap ()
+#endif
+ Store ("ApplyPsppState Exit", Debug)
+ }
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Read PCI config register
+ *
+ * Arg0 - Port Index
+ *
+ */
+ Method (procGetPortRequestedCapability, 1) {
+ Store (DEF_LINK_SPEED_GEN2, Local0)
+ if (LEqual (DerefOf (Index (varPsppClientIdArray, Arg0)), 0x0000)) {
+ if (LOr (LEqual (procPsppGetAcDcState(), DEF_PSPP_STATE_DC), LEqual (varPsppPolicy, DEF_PSPP_POLICY_BALANCELOW))) {
+ // Default policy cap to GEN1
+ Store (DEF_LINK_SPEED_GEN1, Local0)
+ }
+ if (LNotEqual (DerefOf (Index (varOverrideLinkSpeed, Arg0)), 0)) {
+ Store (DerefOf (Index (varOverrideLinkSpeed, Arg0)), Local0)
+ }
+ } else {
+ Store (DerefOf (Index (varRequestedLinkSpeed, Arg0)), Local0)
+ }
+ return (Local0)
+ }
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Set capability and speed
+ *
+ * Arg0 - Port Index
+ * Arg1 - Link speed
+ */
+ Method (procSetPortCapabilityAndSpeed, 2, NotSerialized) {
+ Store ("SetPortCapabilityAndSpeed Enter", Debug)
+ Store (Concatenate (" Port Index : ", ToHexString (Arg0), varStringBuffer), Debug)
+ Store (Concatenate (" Speed : ", ToHexString (Arg1), varStringBuffer), Debug)
+
+ //UnHide UMI port
+ if (LEqual (Arg0, 6)) {
+ procIndirectRegisterRMW (0x0, 0x60, 0x80, Not (0x40), 0x40);
+ }
+
+ procPcieSetLinkSpeed (Arg0, Arg1)
+
+ // Programming for LcInitSpdChgWithCsrEn
+ if (LNotEqual (DeRefOf (Index (varPsppClientIdArray, Arg0)), 0x0000)) {
+ // Registered port, LcInitSpdChgWithCsrEn = 0.
+ procPciePortIndirectRegisterRMW (Arg0, 0xA1, Not (0x00001000), 0x0)
+ } else {
+ procPciePortIndirectRegisterRMW (Arg0, 0xA1, Not (0x00001000), 0x00001000)
+ }
+
+ // Determine port PCI address and check port present
+ Store (ShiftLeft (Add( Arg0, 2), 3), varPortBdfLocal1)
+ And (procPciDwordRead (varPortBdfLocal1, 0x70), 0x400000, varPortPresentLocal3)
+ if (LNotEqual (varPortPresentLocal3, 0)) {
+ procDisableAndSaveAspm (Arg0)
+ Store (1, Local2)
+ while (Local2) {
+ //retrain port
+ procPciDwordRMW (varPortBdfLocal1, 0x68, Not (0x00000000), 0x20)
+ Sleep (30)
+ while (And (procPciDwordRead (varPortBdfLocal1, 0x68), 0x08000000)) {
+ Sleep (10)
+ }
+ Store (0, Local2)
+ if (LEqual (Arg1, DEF_LINK_SPEED_GEN1)) {
+ Store (procPciePortIndirectRegisterRead (Arg0, 0xA4), varLcCurrentDataRateLocal4)
+ if (LNotEqual (And (varLcCurrentDataRateLocal4, 0x800), 0)) {
+ Store (1, Local2)
+ }
+ }
+ }
+ procRestoreAspm (Arg0)
+ } else {
+ Store (" Device not present. Set capability and speed only", Debug)
+ }
+ //Hide UMI port
+ if (LEqual (Arg0, 6)) {
+ procIndirectRegisterRMW (0x0, 0x60, 0x80, Not (0x40), 0x00);
+ }
+ Store ("SetPortCapabilityAndSpeed Exit", Debug)
+ }
+
+ Name (varPcieLinkControlArray, Package () {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
+ Name (varPcieLinkControlOffset, 0)
+ Name (varPcieLinkControlData, 0)
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Disable and save ASPM state
+ *
+ * Arg0 - Port Index
+ */
+ Method (procDisableAndSaveAspm, 1, Serialized) {
+ Store (0, varPcieLinkControlOffset)
+ Store (0, varPcieLinkControlData)
+
+ Store (ShiftLeft (Add( Arg0, 2), 3), varPortBdfLocal1)
+ if (LEqual (Arg0, 6)) {
+ Store (" Disable SB ASPM", Debug)
+ Store (procPcieSbAspmControl (0, 0), Index (varPcieLinkControlArray, 0))
+ Store (Concatenate (" PcieLinkControl Data : ", ToHexString (DerefOf(Index (varPcieLinkControlArray, 0))), varStringBuffer), Debug)
+ procPcieSbAspmControl (0, 1)
+ return (0)
+ }
+
+ Store (procPciDwordRead (varPortBdfLocal1, 0x18), varTempLocal3)
+ Store (And (ShiftRight (varTempLocal3, 8), 0xFF), varTempLocal3)
+
+ Store (Concatenate (" Disable EP ASPM on Secondary Bus : ", ToHexString (varTempLocal3), varStringBuffer), Debug)
+
+ Store (ShiftLeft (varTempLocal3, 8), varEndpointBdfLocal2)
+ Store (procPciDwordRead (varEndpointBdfLocal2, 0xC), varTempLocal3)
+ Store (And (ShiftRight (varTempLocal3, 16), 0xFF), varTempLocal3)
+
+ Store (Concatenate (" EP Header type : ", ToHexString (varTempLocal3), varStringBuffer), Debug)
+
+ if (LNotEqual (And (varTempLocal3, 0x80), 0)) {
+ Store (0x7, varMaxFunctionLocal0)
+ } else {
+ Store (0x0, varMaxFunctionLocal0)
+ }
+ Store (0, varFunctionLocal4)
+ while (LLessEqual (varFunctionLocal4, varMaxFunctionLocal0)) {
+ //Find PcieLinkControl register offset = PcieCapPtr + 0x10
+ Store (procFindPciCapability (Add (varEndpointBdfLocal2, varFunctionLocal4), 0x10), varPcieLinkControlOffset)
+ if (LEqual (varPcieLinkControlOffset, 0)) {
+ Increment (varFunctionLocal4)
+ continue
+ }
+ Add (varPcieLinkControlOffset, 0x10, varPcieLinkControlOffset)
+
+ Store (Concatenate (" Function number of Secondary Bus : ", ToHexString (varFunctionLocal4), varStringBuffer), Debug)
+ Store (Concatenate (" PcieLinkControl register offset : ", ToHexString (varPcieLinkControlOffset), varStringBuffer), Debug)
+ // Save ASPM on EP
+ Store (procPciDwordRead (Add (varEndpointBdfLocal2, varFunctionLocal4) , varPcieLinkControlOffset), varPcieLinkControlData)
+ Store (And (varPcieLinkControlData, 0x3), Index (varPcieLinkControlArray, varFunctionLocal4))
+
+ Store (Concatenate (" PcieLinkControl Data : ", ToHexString (varPcieLinkControlData), varStringBuffer), Debug)
+
+ procPciDwordRMW (Add (varEndpointBdfLocal2, varFunctionLocal4), varPcieLinkControlOffset, Not (0x00000003), 0x00)
+ Store ("Disable ASPM on EP Complete!!", Debug)
+ Increment (varFunctionLocal4)
+ }
+ }
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Restore ASPM
+ *
+ * Arg0 - Port Index
+ */
+ Method (procRestoreAspm, 1, Serialized) {
+
+ Store (0, varPcieLinkControlOffset)
+ Store (0, varPcieLinkControlData)
+
+
+ // Restore SB ASPM
+ if (LEqual (Arg0, 6)) {
+ Store (" Restore SB ASPM", Debug)
+ Store (Concatenate (" PcieLinkControl Data : ", ToHexString (DerefOf(Index (varPcieLinkControlArray, 0))), varStringBuffer), Debug)
+ procPcieSbAspmControl (DerefOf(Index (varPcieLinkControlArray, 0)), 1)
+ return (0)
+ }
+ Store (ShiftLeft (Add( Arg0, 2), 3), varPortBdfLocal1)
+ // Restore EP ASPM
+ Store (procPciDwordRead (varPortBdfLocal1, 0x18), varTempLocal3)
+ Store (And (ShiftRight (varTempLocal3, 8), 0xFF), varTempLocal3)
+
+ Store (Concatenate (" Disable EP ASPM on SecondaryBus : ", ToHexString (varTempLocal3), varStringBuffer), Debug)
+
+ Store (ShiftLeft (varTempLocal3, 8), varEndpointBdfLocal2)
+ Store (procPciDwordRead (varEndpointBdfLocal2, 0xC), varTempLocal3)
+ Store (And (ShiftRight (varTempLocal3, 16), 0xFF), varTempLocal3)
+
+ Store (Concatenate (" EP Header type : ", ToHexString (varTempLocal3), varStringBuffer), Debug)
+
+ if (LNotEqual (And (varTempLocal3, 0x80), 0)) {
+ Store (0x7, varMaxFunctionLocal0)
+ } else {
+ Store (0x0, varMaxFunctionLocal0)
+ }
+ Store (0, varFunctionLocal4)
+ while (LLessEqual (varFunctionLocal4, varMaxFunctionLocal0)) {
+ //Find PcieLinkControl register offset = PcieCapPtr + 0x10
+ Store (procFindPciCapability (Add (varEndpointBdfLocal2, varFunctionLocal4), 0x10), varPcieLinkControlOffset)
+ if (LEqual (varPcieLinkControlOffset, 0)) {
+ Increment (varFunctionLocal4)
+ continue
+ }
+ Add (varPcieLinkControlOffset, 0x10, varPcieLinkControlOffset)
+
+ Store (Concatenate (" Restore Function number of SecondaryBus : ", ToHexString (varFunctionLocal4), varStringBuffer), Debug)
+ Store (Concatenate (" Restore PcieLinkControl register offset : ", ToHexString (varPcieLinkControlOffset), varStringBuffer), Debug)
+ Store (Concatenate (" PcieLinkControl Data : ", ToHexString (DerefOf (Index (varPcieLinkControlArray, varFunctionLocal4))), varStringBuffer), Debug)
+
+ procPciDwordWrite (Add (varEndpointBdfLocal2, varFunctionLocal4), varPcieLinkControlOffset, DerefOf (Index (varPcieLinkControlArray, varFunctionLocal4)))
+ Increment (varFunctionLocal4)
+ }
+ }
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Request VID
+ *
+ * Arg0 - Port Index
+ * Arg1 - PCIe speed
+ */
+
+ Method (procPcieSetLinkSpeed, 2) {
+ Store (ShiftLeft (Add( Arg0, 2), 3), Local0)
+ if (LEqual (Arg1, DEF_LINK_SPEED_GEN1)) {
+ procPciDwordRMW (Local0, 0x88, Not (0x0000002f), 0x21)
+ procPciePortIndirectRegisterRMW (Arg0, 0xA4, Not (0x20000001), 0x0)
+ } else {
+ procPciePortIndirectRegisterRMW (Arg0, 0xA4, Not (0x20000001), 0x20000001)
+ procPciDwordRMW (Local0, 0x88, Not (0x0000002f), 0x2)
+ }
+ }
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Read PCIe port indirect register
+ *
+ * Arg0 - Ref Source Pckage
+ * Arg1 - Ref to Destination Package
+ *
+ */
+ Method (procCopyPackage, 2, NotSerialized) {
+
+ Store (SizeOf (Arg0), Local1)
+ Store (0, Local0)
+ While (LLess (Local0, Local1)) {
+ Store (DerefOf(Index(DerefOf (Arg0), Local0)), Index(DerefOf (Arg1), Local0))
+ Increment (Local0)
+ }
+ }
+
+ /*----------------------------------------------------------------------------------------*/
+ /**
+ * Read PCIe port indirect register
+ *
+ * Arg0 - Ref Source Pckage
+ * Arg1 - Ref to Destination Package
+ *
+ */
+ Method (procPsppGetAcDcState, 0 , NotSerialized) {
+ Return (And (varPsppAcDcState, varPsppAcDcOverride))
+ }