Felix Held has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/45479 )
Change subject: soc/amd/picasso/acpi: add UART DMA controller devices ......................................................................
Patch Set 2:
(1 comment)
https://review.coreboot.org/c/coreboot/+/45479/1/src/soc/amd/picasso/acpi/sb... File src/soc/amd/picasso/acpi/sb_fch.asl:
https://review.coreboot.org/c/coreboot/+/45479/1/src/soc/amd/picasso/acpi/sb... PS1, Line 182: Device (DMA3) {
https://source.chromium.org/chromiumos/chromiumos/codesearch/+/master:src/th.... […]
as far as i know the linux-side code is still work in progress. I'm just upstreaming Julian's coreboot-side change for this