[coreboot-gerrit] Change in coreboot[master]: soc/intel/tigerlake: Add code for early tcss

[Brandon Breitenstein (Code Review)]

Hello build bot (Jenkins), Patrick Georgi, Martin Roth, Caveh Jalali, Duncan Laurie, Nick Vaccaro, Tim Wawrzynczak, Patrick Rudolph,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/42079

to look at the new patch set (#18).

Change subject: soc/intel/tigerlake: Add code for early tcss
......................................................................

soc/intel/tigerlake: Add code for early tcss

In order for USB Type-C to be detected prior to loading Kernel
PMC IPC driver is needed to communicate with PMC in order to
correctly set the USB Mux settings. This patch is adding in
support for early detection of both USB and Display Port.

BUG=b:151731851
BRANCH=NONE
TEST: built and verified that TCSS MUX is being set on Volteer

Change-Id: I58e66f21210d565fb8145d140d2fc7febecdd21a
Signed-off-by: Brandon Breitenstein 
---
M src/mainboard/google/volteer/Kconfig
M src/soc/intel/tigerlake/Kconfig
M src/soc/intel/tigerlake/Makefile.inc
A src/soc/intel/tigerlake/early_tcss.c
M src/soc/intel/tigerlake/fsp_params.c
A src/soc/intel/tigerlake/include/soc/early_tcss.h
6 files changed, 499 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/79/42079/18