Pcie is not detecting in jetson tx2 with L4T 32.6.1 BSP

pcie is not detecting in jetson tx2 with L4T 32.6.1 BSP, where as same is detected in L4T 32.3.1

May I know what’ the PCIE device you used?
Are you using own designed carrier board ot devkit?

Hi Kayccc,

Thank you for the response.
I’m using PCIE based Wi-Fi device and I’m using devkit.

On L4T 32.3.1 with same Jetson-tx2 devkit PCIE will detect but it won’t detect on l4t 32.6.1

Please find the logs below

[ 0.462484] GPIO line 459 (pcie0_lane2_mux) hogged as output/low
[ 0.468291] iommu: Adding device 10003000.pcie-controller to group 50
[ 0.468305] arm-smmu: forcing sodev map for 10003000.pcie-controller
[ 1.021888] tegra-pcie 10003000.pcie-controller: 4x1, 1x1 configuration
[ 1.022866] tegra-pcie 10003000.pcie-controller: PCIE: Enable power rails
[ 1.023207] tegra-pcie 10003000.pcie-controller: probing port 0, using 4 lanes
[ 1.125426] tegra-pcie 10003000.pcie-controller: probing port 2, using 1 lanes
[ 1.671757] tegra-pcie 10003000.pcie-controller: link 0 down, retrying
[ 2.079711] tegra-pcie 10003000.pcie-controller: link 0 down, retrying
[ 2.489774] tegra-pcie 10003000.pcie-controller: link 0 down, retrying
[ 2.491804] tegra-pcie 10003000.pcie-controller: link 0 down, ignoring
[ 2.897759] tegra-pcie 10003000.pcie-controller: link 2 down, retrying
[ 3.309768] tegra-pcie 10003000.pcie-controller: link 2 down, retrying
[ 3.710309] tegra-pcie 10003000.pcie-controller: link 2 down, retrying
[ 3.712823] tegra-pcie 10003000.pcie-controller: link 2 down, ignoring
[ 3.920196] tegra-pcie 10003000.pcie-controller: PCIE: no end points detected
[ 3.920482] tegra-pcie 10003000.pcie-controller: PCIE: Disable power rails

Thanks,

Is it using the M.2 key E slot on the TX2 devkit?

yes its M.2 key E slot.

It is a little bit weird that we do have patch to “enable wifi” but we don’t have patch to disable it.

Could you also check rel-32.4.3 and rel-32.5.1 and see which BSP started to disable your wifi?

Sure WayneWWW
Thank you so much for the information. I’ll check and keep you posted.

Thanks,

Hi WayneWWW,

Can you please let me know the patch which is use to enable wifi.

I have tried with rel-32.4.3 but image is not booting up. now I’m trying with rel-32.5.1

That patch was for NX, not for TX2. Actually we don’t have any patch on TX2 for this.

That patch was to enable w-disable1 and w-disable2 gpio for the AC8265 wifi chip.