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-rw-r--r--src/mainboard/lenovo/t530/devicetree.cb4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/t530/devicetree.cb b/src/mainboard/lenovo/t530/devicetree.cb
index 6b769b0397..d59524bf02 100644
--- a/src/mainboard/lenovo/t530/devicetree.cb
+++ b/src/mainboard/lenovo/t530/devicetree.cb
@@ -68,6 +68,10 @@ chip northbridge/intel/sandybridge
register "pcie_hotplug_map" = "{ 0, 0, 1, 0, 0, 0, 0, 0 }"
+ register "xhci_switchable_ports" = "0xf"
+ register "superspeed_capable_ports" = "0xf"
+ register "xhci_overcurrent_mapping" = "0x4000201"
+
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