PCIe downgrading to Gen 2

[armbuilder]

Any fixes for this? Some rock chip ICs need custom PCie overlay to set pcie speeds, maybe the kernel just has it set to gen 2?

 

0001:11:00.0 Non-Volatile memory controller: Micron/Crucial Technology Device 5421 (rev 01) (prog-if 02 [NVM Express])

Subsystem: Micron/Crucial Technology Device 5021

Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+

Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

Latency: 0

Interrupt: pin A routed to IRQ 126

Region 0: Memory at f1200000 (64-bit, non-prefetchable) [size=16K]

Capabilities: [80] Express (v2) Endpoint, MSI 00

DevCap: MaxPayload 512 bytes, PhantFunc 0, Latency L0s unlimited, L1 unlimited

ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset+ SlotPowerLimit 0W

DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq-

RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+ FLReset-

MaxPayload 128 bytes, MaxReadReq 512 bytes

DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr- TransPend-

LnkCap: Port #1, Speed 16GT/s, Width x4, ASPM L1, Exit Latency L1 unlimited

ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp+

LnkCtl: ASPM Disabled; RCB 64 bytes, Disabled- CommClk+

ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-

LnkSta: Speed 8GT/s (downgraded), Width x2 (downgraded)

TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-

DevCap2: Completion Timeout: Range ABCD, TimeoutDis+ NROPrPrP- LTR+

10BitTagComp+ 10BitTagReq- OBFF Not Supported, ExtFmt+ EETLPPrefix-

EmergencyPowerReduction Not Supported, EmergencyPowerReductionInit-

FRS- TPHComp- ExtTPHComp-

AtomicOpsCap: 32bit- 64bit- 128bitCAS-

DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- LTR+ 10BitTagReq- OBFF Disabled,

AtomicOpsCtl: ReqEn-

LnkCap2: Supported Link Speeds: 2.5-16GT/s, Crosslink- Retimer+ 2Retimers+ DRS-

LnkCtl2: Target Link Speed: 16GT/s, EnterCompliance- SpeedDis-

Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS-

Compliance Preset/De-emphasis: -6dB de-emphasis, 0dB preshoot

LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete+ EqualizationPhase1+

EqualizationPhase2+ EqualizationPhase3+ LinkEqualizationRequest-

Retimer- 2Retimers- CrosslinkRes: Upstream Port

Capabilities: [d0] MSI-X: Enable+ Count=9 Masked-

Vector table: BAR=0 offset=00002000

PBA: BAR=0 offset=00003000

Capabilities: [e0] MSI: Enable- Count=1/8 Maskable+ 64bit+

Address: 0000000000000000  Data: 0000

Masking: 00000000  Pending: 00000000

Capabilities: [f8] Power Management version 3

Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)

Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-

Capabilities: [100 v1] Latency Tolerance Reporting

Max snoop latency: 0ns

Max no snoop latency: 0ns

Capabilities: [110 v1] L1 PM Substates

L1SubCap: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+ L1_PM_Substates+

  PortCommonModeRestoreTime=10us PortTPowerOnTime=300us

L1SubCtl1: PCI-PM_L1.2- PCI-PM_L1.1- ASPM_L1.2- ASPM_L1.1-

  T_CommonMode=0us LTR1.2_Threshold=0ns

L1SubCtl2: T_PwrOn=10us

Capabilities: [128 v1] Alternative Routing-ID Interpretation (ARI)

ARICap: MFVC- ACS-, Next Function: 0

ARICtl: MFVC- ACS-, Function Group: 0

Capabilities: [1e0 v1] Data Link Feature <?>

Capabilities: [200 v2] Advanced Error Reporting

UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-

UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-

UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-

CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr-

CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr+

AERCap: First Error Pointer: 00, ECRCGenCap- ECRCGenEn- ECRCChkCap+ ECRCChkEn-

MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap-

HeaderLog: 00000000 00000000 00000000 00000000

Capabilities: [300 v1] Secondary PCI Express

LnkCtl3: LnkEquIntrruptEn- PerformEqu-

LaneErrStat: 0

Capabilities: [340 v1] Physical Layer 16.0 GT/s <?>

Capabilities: [378 v1] Lane Margining at the Receiver <?>

Kernel driver in use: nvme