The official Mender documentation explains how Mender works. This is a board-specific complement to the official documentation. Board description A development board to quickly prototype on-device ML products. Scale from prototype to production with a removable system-on-module (SoM). [unnamed] U…

Is yocto dunfell support planned for this device?

Is yocto dunfell support planned for this device? Yes, but need to do this one first Add dunfell support · Issue #40 · mirzak/meta-coral · GitHub

I have followed the instructions on this page, but the created yocto image doesn’t boot. Serial console shows: U-Boot SPL 2017.03.4-release-day+g8523a101cd (Mar 08 2021 - 17:58:12) power_bd71837_init pmic debug: name=BD71837 Board id: 0 start to config phy: p0=3200mts, p1=667mts with 1D2D training…

Yikes. That seems like a bad instruction set setting or something. I’ve never actually touched one of these boards so I can’t really help here.

I see the following warning: WARNING: u-boot-coral-2017.03-r0 do_provide_mender_defines: Detected missing fix for '=' sign in fw_setenv script files. You may need to include this patch from the U-Boot project: https://gitlab.denx.de/u-boot/u-boot/-/commit/cd655514aa044c77fe3b895a51677ba47b26ba89 c…

I suppose it’s possible but it seems unlikely.

The warrior branch of meta-coral boots up, where as the zeus branch doesn’t. With warrior branch, the “release-day” revision of u-boot is also working fine. The changes from warrior to zeus has caused some problem with the image packaging. Could any one help me out in figuring this out?

Hi, As far as I remember we had some problems with new version of fw_setenv and changed syntax (with and without = between key and value). Can you check if all u-boot variables are set correctly?

How can i check this during build time? On the device, i don’t even get the u-boot prompt. It is crashing somewhere in the fastboot initialisation stages. regards Arun

You can run strings on the u-boot binary as the default environment is embedded in there. It will be difficult to parse though since there are likely to be many pages of output.

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Board Integrations Yocto Project

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Toradex Verdin iMX8M Mini Yocto Project yocto , nxp , dunfell	11	3123	June 8, 2023
OrangePi Zero Yocto Project yocto , orange-pi	22	9665	May 17, 2021
Info on mender integration Yocto Project dunfell , imx8mm	16	3372	February 16, 2023
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