mb/google/rex/variants/deku: Add display configuration
Enable DDI on ports 1 to 4 for Type-C DisplayPort.
BUG=b:305793886
TEST=util/abuild/abuild -p none -t google/rex -x -a -b deku
Signed-off-by: Eran Mitrani <mitrani@google.com>
Change-Id: I3acaff4a9306f2d058ce9542e8956ee0acba94cf
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78498
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/rex/variants/deku/overridetree.cb b/src/mainboard/google/rex/variants/deku/overridetree.cb
index eb92fae..4dca7e2 100644
--- a/src/mainboard/google/rex/variants/deku/overridetree.cb
+++ b/src/mainboard/google/rex/variants/deku/overridetree.cb
@@ -19,6 +19,14 @@
register "tcss_ports[2]" = "TCSS_PORT_DEFAULT(OC0)"
register "tcss_ports[3]" = "TCSS_PORT_DEFAULT(OC0)"
+ # Enable Display Port Configuration
+ register "ddi_ports_config" = "{
+ [DDI_PORT_1] = DDI_ENABLE_HPD,
+ [DDI_PORT_2] = DDI_ENABLE_HPD,
+ [DDI_PORT_3] = DDI_ENABLE_HPD,
+ [DDI_PORT_4] = DDI_ENABLE_HPD,
+ }"
+
register "serial_io_i2c_mode" = "{
[PchSerialIoIndexI2C0] = PchSerialIoDisabled,
[PchSerialIoIndexI2C1] = PchSerialIoDisabled,