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Sorry, I didn't notice my message didnt get through and was stuck in draft state. Just resend out
Thanks
Regards
Kian
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Hi Veerapan,
Apologies, on your question, this KDB might answer your questions even though it is based on Stratix 10, but it is also applicable for Agilex as well
https://www.intel.com/content/www/us/en/support/programmable/articles/000086394.html
As we are using das u-boot and linux kernel , more information can be obtain from their respective sites
https://docs.kernel.org/devicetree/index.html#devicetree-overlays
https://docs.u-boot.org/en/latest/build/index.html
Thanks
Regards
Kian