JETSON ORIN PCIE2 RESET signal not triggered

Autonomous Machines Jetson & Embedded Systems Jetson Orin NX
1

We are trying to use JETSON ORIN PCIE 2 interface. We are facing issue in PERST signal generation for this. It remains in low state. Please let me know if any configuration needs to be done

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Pin no : 221 | PCIE2_CLKREQ* - 3.2V Observed
Pin no : 52 | PCIE2_CLK_N - No clock signal noted
Pin no : 54 | PCIE2_CLK_P - No clock signal noted
Pin no : 219 | PCIE_RST - 0.07
Pin no : 179 | PCIE_WAKE - 3.2V Observed

2

Which jetpack release is in use?

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5.1.2-b104

5

please attach the full dmesg as text log file here.

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dmesg_log.log (65.0 KB)

7

Looks like PCIe C7 pcie@141e0000 is not enabled on jp5.1.2 by default.

If you don’t want to do the configuration, then directly upgrading to jp6.0GA would make it enabled.

8

Ok thanks for the update. Let me check the same