[bayindirh]

> True opensource will maybe happen with RISC-V

...assuming that the particular processor you're using won't have any proprietary extensions or requirements to bootstrap during power on (with a closed source blob, not unlike onboard firmware).

[transpute]

It's an older device, but NanoPi R4S 2-port router has blob-free Arm RK3399 with OP-TEE support.

[bayindirh]

That's nice to hear. I don't think it's impossible, but regardless of the architecture, one needs to be diligent while selecting hardware.

Your comment is also parallel to what I tried to say.