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-rw-r--r--src/mainboard/google/dedede/variants/boxy/overridetree.cb3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/boxy/overridetree.cb b/src/mainboard/google/dedede/variants/boxy/overridetree.cb
index 8dca1da794..8b51432f80 100644
--- a/src/mainboard/google/dedede/variants/boxy/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/boxy/overridetree.cb
@@ -53,6 +53,9 @@ chip soc/intel/jasperlake
register "DdiPortAHpd" = "1"
register "DdiPortADdc" = "1"
+ # Does not support external vnn power rail
+ register "disable_external_bypass_vr" = "1"
+
# USB Port Configuration
register "usb2_ports[1]" = "USB2_PORT_MID(OC_SKIP)" # Type-A Port A0
register "usb2_ports[2]" = "USB2_PORT_MID(OC_SKIP)" # Type-A Port A1