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-rw-r--r--src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb b/src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb
index b3649f906e..d1694dce5a 100644
--- a/src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb
+++ b/src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb
@@ -173,7 +173,10 @@ chip soc/intel/cannonlake
device pci 14.3 on end # CNVi wifi
end
- device pci 19.2 on end # UART #2
+ # This device does not have any function on CNP-H, but it needs
+ # to be here so that the resource allocator is aware of UART 2.
+ device pci 19.0 hidden end
+ device pci 19.2 hidden end # UART #2, in ACPI mode
device pci 1b.4 on
smbios_slot_desc "SlotTypePciExpressGen3X16" "SlotLengthOther" "SLOT1" "SlotDataBusWidth4X"