Em 12/09/2020 18:08, Sebastian Antonio Jorquera Tapia escreveu:
> When I was playing trying to make a netbooting with the ROACH2 and I
> issue the command: "run tftpuboot" and making the story short I ended up
> with no uboot :(

I was able to successfully update the U-Boot on a ROACH2 by following
these instructions:

https://casper.ssl.berkeley.edu/wiki/ROACH-2_Revision_2#Testing.2FBringup_Status

... which point to this document:

https://docs.google.com/a/ska.ac.za/document/d/1tqw4C6uZ6EULl1OykTFL_vQTnK52UBr0aYqTg44E5wg/edit

... which point to this repository:

https://github.com/ska-sa/roach2_testing

.. which has the following bring-up script:

https://github.com/ska-sa/roach2_testing/blob/master/roach2_production_test/roach2_ats.py

... which has some low level commands:

https://github.com/ska-sa/roach2_testing/blob/master/roach2_production_test/roach2_ats.py#L1034

Interestingly, you only need a USB cable, since the FTDI chip is
connected to the JTAG chain internally.

Having said that, the road was not smooth. And, in the end, updating
UBoot did not solve the root problem we had (DRAM check in U-Boot). We
ended up shipping the ROACH2 back to Digicom, where they restored it to
factory condition.

Regards,

Cesar

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