mb/google/rex/variants/ovis: Add display configuration
Enable DDI on ports 1 to 4 for Type-C DisplayPort.
BUG=b:274421383
TEST=util/abuild/abuild -p none -t google/rex -x -a -b ovis
Change-Id: I40f967b12b11c10a1a9329bfb42ebec5a8d7738f
Signed-off-by: Jakub Czapiga <jacz@semihalf.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75579
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/rex/variants/ovis/overridetree.cb b/src/mainboard/google/rex/variants/ovis/overridetree.cb
index e15a7c4..1af0a0e 100644
--- a/src/mainboard/google/rex/variants/ovis/overridetree.cb
+++ b/src/mainboard/google/rex/variants/ovis/overridetree.cb
@@ -14,6 +14,14 @@
register "tcss_ports[1]" = "TCSS_PORT_DEFAULT(OC0)"
register "tcss_ports[2]" = "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,