Add a new driver which enables basic TBT support for the Alpine Ridge,
Titan Ridge, and Maple Ridge discrete Thunderbolt controllers.
This driver will initially be used on the Lenovo T480/T480s and
System76 RPL-HX platform boards.
Ref: edk2-platforms KabylakeOpenBoardPkg reference implementation
Ref: Titan Ridge BIOS Implementation Guide v1.4
Ref: Maple Ridge BIOS Implementation Guide v1.6 (#632472)
Change-Id: Ib78ce43740956fa2c93b9ebddb0eeb319dcc0364
Signed-off-by: Jeremy Soller <jeremy@system76.com>
Signed-off-by: Tim Crawford <tcrawford@system76.com>
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75286
Reviewed-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
5d084f533f