BIT & Hardware startup info

Robotics & Edge Computing Jetson & Embedded Systems Jetson Orin NX
1

Hi,
I have three questions regarding BITs and hardware information:

  1. Are there any known BITs for the SoM’s hardware?
  2. Are there any tools for testing and validating the hardware for example DDR ECC, PCIe/USB devices listing, etc?
  3. When the target boot’s up it performs several buses scans. For example it scan for usb devices, pcie devices, etc. Can I extract these scans information without performing additional scan by myself after system boot (for testing purposes)

Thanks

3

Hi,

  1. Please share what BIT stands for.
  2. For checking if the PCIe/USB devices are enumerated, you can check dmesg. And after booting to userspace, you can execute $ lspci -vvv and $ lsusb -vvv
  3. You can modify device tree to disable the PCIe/USB ports, replace the dtb and reboot the system. So that it does not do enumeration. However, it cannot be enabled in runtime. Would need to re-enable it in device tree, replace the dtb and reboot the system.
4

Hi @DaneLLL ,

  1. Built In Tests
  2. My goal is to verify the hardware valid operation. Are there any pre-made tests or tools for this goal?
5

Hi,
You may check this package:

Jetson Linux 36.3 | NVIDIA Developer
Bringup Framework

6

Thank you @DaneLLL .
Do you know maybe if there’s a ECC for LPDDR?
I didn’t find this kind of test in the bringup framework.

Thanks

7

Hi,
We support DRAM ECC on Orin Industrial. Looks like you are using Orin NX and this is not supported on the platform.

If you consider Orin Industrial, please check

DRAM-ECC — NVIDIA Jetson Linux Developer Guide 1 documentation

8

Thank you @DaneLLL .

10

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