[coreboot-gerrit] Change in coreboot[master]: mb/google/volteer: Enable Xdci and Xhci for Volteer

[Nick Vaccaro (Code Review)]

Nick Vaccaro has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/39357 )

Change subject: mb/google/volteer: Enable Xdci and Xhci for Volteer
......................................................................

mb/google/volteer: Enable Xdci and Xhci for Volteer

For TCSS to enable USB3 functionality the Xhci and Xdci Tcss flags
need to be set in devicetree.

BUG=144874778
TEST=none

Change-Id: I6cbdbd8a4f65a0fe19e3fb8d7b60b8b849f104e7
Signed-off-by: Nick Vaccaro 
---
M src/mainboard/google/volteer/variants/baseboard/devicetree.cb
1 file changed, 3 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/57/39357/1

diff --git a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
index 65df68c..c93887f 100644
--- a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
@@ -121,6 +121,9 @@
         # Not disconnected/enumerable
    register "PchHdaIDispCodecDisconnect" = "0"

+	# TCSS USB3
+	register "TcssXhciEn" = "1"
+
    # DP port
    register "DdiPortAConfig" = "1"	# eDP
    register "DdiPortBConfig" = "0"