There is no GPIO for system reset on the HiFive unmatched.
Patches for an SBI based sysreset driver have been sent to upstream U-Boot. https://lists.denx.de/pipermail/u-boot/2021-September/460291.html
The is an ongoing discussion about how UEFI runtime system reset drivers should be implemented. Some maintainers wish a driver model based solution and don't wont to follow the style of previous reset drivers like for PSCI.
There is no GPIO for system reset on the HiFive unmatched.
Patches for an SBI based sysreset driver have been sent to upstream U-Boot. /lists. denx.de/ pipermail/ u-boot/ 2021-September/ 460291. html
https:/
The is an ongoing discussion about how UEFI runtime system reset drivers should be implemented. Some maintainers wish a driver model based solution and don't wont to follow the style of previous reset drivers like for PSCI.