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RGoem
New Contributor
New ContributorUndefined pin state prior to loading rbf
Hello everyone, I'm using a de0-nano-soc development board which has a Cyclone V including a HPS. I'm running U-Boot to load an rbf file at boot and then linux is ran. However when powering on the b...
FawazJ_Altera
Frequent Contributor
Frequent ContributorHello,
it seems there is a limitation here.
The uboot will freeze all the pins, configure the FPGA, then unfreeze and apply the pins settings. Before that, there is no function that can be done on FPGA.
Arria 10 SoC might support your need, since you can let uboot configure the pins before configuring the FPGA.
Thanks
