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-rw-r--r--src/mainboard/kontron/ktqm77/devicetree.cb3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mainboard/kontron/ktqm77/devicetree.cb b/src/mainboard/kontron/ktqm77/devicetree.cb
index b916b0bdd0..ff5d012be4 100644
--- a/src/mainboard/kontron/ktqm77/devicetree.cb
+++ b/src/mainboard/kontron/ktqm77/devicetree.cb
@@ -44,6 +44,9 @@ chip northbridge/intel/sandybridge
register "c2_latency" = "101" # c2 not supported
register "p_cnt_throttling_supported" = "1"
+ register "xhci_switchable_ports" = "0x0f"
+ register "superspeed_capable_ports" = "0x0f"
+
device pci 14.0 on end # USB 3.0 Controller
device pci 16.0 on end # Management Engine Interface 1
device pci 16.1 off end # Management Engine Interface 2