Pcie@14100000 not work

Autonomous Machines Jetson & Embedded Systems Jetson AGX Xavier
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1

Dear all:
1: Jetpack4.6 + our customed board in pcie@14100000, lspci can see it, it worked.

02b76ec56ddb93bed8e90b085edc3d0
02b76ec56ddb93bed8e90b085edc3d01706×1280 165 KB

2: Jetpack5.0.1 + our customed board in pcie@14100000, lspci have nothing.

pcie.log (9.6 KB)

3: we just change Jetpack4.6 to Jetpack5.0.2.

So, how to fix pcie@14100000, thank you very much.

Best regards to all !!!

3

Please at least use jp5.1.1. Jp5.0.1 is developer preview only

4

Jetpack5.1.1 is same too. Following is pcie log in JP5.1.1.
pcie_511.log (6.9 KB)

5

please refer to this guidance for debug.

https://docs.nvidia.com/jetson/archives/r35.3.1/DeveloperGuide/text/HR/JetsonModuleAdaptationAndBringUp/JetsonAgxOrinSeries.html#debug-pcie-link-up-failure

6

When I add nvidia,disable-power-down in pcie controller device tree,
With command: lspci -vvv, 0001 is pcie@14100000,but I can not find device which in pcie 0001.

0000:00:00.0 PCI bridge: NVIDIA Corporation Device 1ad0 (rev a1) (prog-if 00 [Normal decode])
	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 24
	Bus: primary=00, secondary=01, subordinate=ff, sec-latency=0
	I/O behind bridge: 0000f000-00000fff [disabled]
	Memory behind bridge: 40000000-400fffff [size=1M]
	Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff [disabled]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

0000:01:00.0 Non-Volatile memory controller: Kingston Technology Company, Inc. Device 5014 (rev 03) (prog-if 02 [NVM Express])
	Subsystem: Kingston Technology Company, Inc. Device 5014
	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 24
	Region 0: Memory at 1b40000000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: nvme

0001:00:00.0 PCI bridge: NVIDIA Corporation Device 1ad2 (rev a1) (prog-if 00 [Normal decode])
	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 26
	Bus: primary=00, secondary=01, subordinate=ff, sec-latency=0
	I/O behind bridge: 0000f000-00000fff [disabled]
	Memory behind bridge: fff00000-000fffff [disabled]
	Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff [disabled]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport
7

it work fine after add nvidia,disable-power-down ; thank you very much.

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9

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