commit 685b377e7e56ed6a046204baf73c43d76a87f4b4
author sridhar <sridhar.siricilla@intel.com> Thu Jun 13 14:26:00 2019 +0530
committer Martin Roth <martinroth@google.com> Wed Jun 19 19:35:56 2019 +0000
tree 362959e7de664be355a4e742c60297bdffff3313
parent ba5f318736d9ade42160932d4119c47867ae1f35

mb/intel/whl_rvp: Configure FSP UPDs of DDI ports for whlrvp

This patch configures FSP UPD values for HPD and DDC of DDI ports for
WHLRVP.

BUG=none
TEST=Tested that eDP & DP works on WHLRVP

Signed-off-by: Usha P <usha.p@intel.com>
Signed-off-by: sridhar <sridhar.siricilla@intel.com>
Change-Id: I576469f5564e3e56159762752dbe4557e9dc1912
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33435
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: Maulik V Vaghela <maulik.v.vaghela@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/intel/coffeelake_rvp/variants/whl_u/devicetree.cb

diff --git a/src/mainboard/intel/coffeelake_rvp/variants/whl_u/devicetree.cb b/src/mainboard/intel/coffeelake_rvp/variants/whl_u/devicetree.cb
index e30da3a..429d5da 100644
--- a/src/mainboard/intel/coffeelake_rvp/variants/whl_u/devicetree.cb
+++ b/src/mainboard/intel/coffeelake_rvp/variants/whl_u/devicetree.cb
@@ -9,6 +9,19 @@
 	register "ScsEmmcHs400Enabled" = "1"
 	register "HeciEnabled" = "1"
 
+        # Enable eDP device
+        register "DdiPortEdp" = "1"
+        # Enable HPD for DDI ports B/C/D/F
+        register "DdiPortBHpd" = "1"
+        register "DdiPortCHpd" = "1"
+        register "DdiPortDHpd" = "1"
+        register "DdiPortFHpd" = "1"
+        # Enable DDC for DDI ports B/C/D/F
+        register "DdiPortBDdc" = "1"
+        register "DdiPortCDdc" = "1"
+        register "DdiPortDDdc" = "1"
+        register "DdiPortFDdc" = "1"
+
 	register "usb2_ports[0]" = "USB2_PORT_TYPE_C(OC0)"
 	register "usb2_ports[1]" = "USB2_PORT_MID(OC0)"
 	register "usb2_ports[2]" = "USB2_PORT_MID(OC0)"