AFAIK older Talos Secure Workstation with Power CPUs was it. Everything open including CPU firmware.
Not sure about smartphones though - they mostly struggle with a fact there are no truly open source baseband.
AFAIK older Talos Secure Workstation with Power CPUs was it. Everything open including CPU firmware.
Not sure about smartphones though - they mostly struggle with a fact there are no truly open source baseband.
There is no smartphone fully powered by open firmware. Also keep in mind that the hardware itself is proprietary too.