Guo Ren

> The problem is that upstream OpenSBI is missing a HSM driver for this SoC. With or without [zero_stage_boot](https://github.com/T-head-Semi/zero_stage_boot), a proper HSM driver is still needed for CPU power management...

> > @RevySR Do you know how to make use of the changes in [zero_stage_boot](https://github.com/T-head-Semi/zero_stage_boot)? I'm not sure about the steps to deploy it onto a board. > > I...