[_kbh_]

> AMD holds an arm license and uses them as part of the software tpu in the pro series processors as I understand.

AMD uses ARM for its PSP as well which is more than just a TPM.

But afaik it also matters what type of license AMD has.

AMD would be need an ARM architecture license (like Apple has). This license allows you to do whatever you want with the chip (such as adding a x86 style memory model).

The downside to the architecture license is you have clean room design the chip entirely.