M.2 Key E PCie controller not detecting

Autonomous Machines Jetson & Embedded Systems Jetson TX2
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1

I am using the Jetson TX2 EVK boards (P2597) and Jetson Linux version - 32.4.3 and 32.6.1.
We have same response log to flashed with both variant of code setup.

We have connected the WI-FI module in M.2 Key E slot but we are not getting the PCIe controller node. Please suggest

root@ubuntu:/home/ubuntu# lspci
root@ubuntu:/home/ubuntu#
root@ubuntu:/home/ubuntu# dmesg | grep pci
[ 0.473413] iommu: Adding device 10003000.pcie-controller to group 51
[ 0.473429] arm-smmu: forcing sodev map for 10003000.pcie-controller
[ 0.942071] tegra-pcie 10003000.pcie-controller: 4x1, 1x1 configuration
[ 0.943049] tegra-pcie 10003000.pcie-controller: PCIE: Enable power rails
[ 0.943391] tegra-pcie 10003000.pcie-controller: probing port 0, using 4 lanes
[ 0.945741] tegra-pcie 10003000.pcie-controller: probing port 2, using 1 lanes
[ 1.040012] ehci-pci: EHCI PCI platform driver
[ 1.040047] ohci-pci: OHCI PCI platform driver
[ 1.367965] tegra-pcie 10003000.pcie-controller: link 0 down, retrying
[ 1.773589] tegra-pcie 10003000.pcie-controller: link 0 down, retrying
[ 2.175603] tegra-pcie 10003000.pcie-controller: link 0 down, retrying
[ 2.177489] tegra-pcie 10003000.pcie-controller: link 0 down, ignoring
[ 2.588381] tegra-pcie 10003000.pcie-controller: link 2 down, retrying
[ 2.993456] tegra-pcie 10003000.pcie-controller: link 2 down, retrying
[ 3.403322] tegra-pcie 10003000.pcie-controller: link 2 down, retrying
[ 3.405354] tegra-pcie 10003000.pcie-controller: link 2 down, ignoring
[ 3.609971] tegra-pcie 10003000.pcie-controller: PCIE: no end points detected
[ 3.610258] tegra-pcie 10003000.pcie-controller: PCIE: Disable power rails

3

Hi,
Please follow this to enable M.2 slot:
M.2 wifi does not work - #4 by WayneWWW

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