Matt DeVillier has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/39869 )
Change subject: payloads/seabios: Add Hardware IRQ Kconfig ......................................................................
Patch Set 1:
Patch Set 1:
I had a working SeaBIOS with hardware IRQs on Braswell and it didn't hang at all (default coreboot config for SeaBIOS + sercon port). Of course I had issues during the porting, but it was due to incorrect irqroutes at the beggining of porting IIRC. Minnowboard (Baytrail) also worked. I will revisit the bug I have encountered for Braswell to check what I did in order to get it working.
hmm, wonder if it's something specific to the Google boards then. I was testing current upstream master for coreboot and SeaBIOS, and both Baytrail/Braswell hung at the boot menu prompt without HARDWARE_IRQ deselected.