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How to update 3 imx6ull via SDP in parallel

Question asked by Christian Berger on Jun 13, 2019
Latest reply on Jun 25, 2019 by Aldo Gutierrez


I want to load SPL and uboot via serial downloader protocol (SDP) to 3 imx6ull devices in parallel. Each download must be independent from the other.

I got it running with the imx_usb tool. Unfortunately this tool works only under Linux, but I need to run it under windows.

I found out, that there is a tool called uuu which works on windows.

Downloading only the SPL works fine. Therefore I am using the following "script":

uuu_version 1.0.1

SDP: boot -f SPL-spi
# This command will be run when use SPL
SDPU: delay 1000
SDPU: write -f SPL-spi
SDPU: jump


Now I am trying to extend above "script" to also get the uboot downloaded via SDP and started.


Can anyone help me how to extend the script above?

Does uuu support updating 3 devices in parallel?