Maxim Polyakov has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/44465 )
Change subject: mb/supermicro/x11-lga1151: undo set DRIVER for GPO ......................................................................
Patch Set 1:
(1 comment)
https://review.coreboot.org/c/coreboot/+/44465/1//COMMIT_MSG Commit Message:
https://review.coreboot.org/c/coreboot/+/44465/1//COMMIT_MSG@10 PS1, Line 10: external devices through GPI. But there is no point in configuring : this for GPO.
Why? can you give any reference?
Please see page 73, document #549921 (Skylake/Kaby Lake H/LP Platform Controller Hub, BIOS Specification). Here you can see the algorithm for setting GPIO to GPIO driver mode:
Step 1: Configure the GPIO pin into GPI...
I looked at the docs again and unfortunately I didn't find any information about this for the GPO, info on how to do the same for a GPO.