Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/43781 )
Change subject: soc/amd/picasso: don't apply unconfigured USB2 PHY tune parameters ......................................................................
Patch Set 1: Code-Review+2
(1 comment)
https://review.coreboot.org/c/coreboot/+/43781/1//COMMIT_MSG Commit Message:
https://review.coreboot.org/c/coreboot/+/43781/1//COMMIT_MSG@11 PS1, Line 11: configured in the board's devicetree. Since all parameters being zero is
I do agree that just using defaults and hoping for the best isn't good practice and that boards shou […]
For retrofitted coreboot ports (if that would be doable with picasso), determining the correct tuning settings is a bit hard. While defaults may not be the best, they're less likely to break something than all zeroes.