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-rw-r--r--src/mainboard/lenovo/t430/devicetree.cb6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mainboard/lenovo/t430/devicetree.cb b/src/mainboard/lenovo/t430/devicetree.cb
index 35c23b82c8..73fd5b20cc 100644
--- a/src/mainboard/lenovo/t430/devicetree.cb
+++ b/src/mainboard/lenovo/t430/devicetree.cb
@@ -28,9 +28,11 @@ chip northbridge/intel/sandybridge
register "pcie_port_coalesce" = "true"
register "sata_interface_speed_support" = "0x3"
register "sata_port_map" = "0x17"
- register "superspeed_capable_ports" = "0x0000000f"
+
+ # Do not enable xHCI Port 4 since WWAN USB is EHCI-only
+ register "superspeed_capable_ports" = "0x7"
+ register "xhci_switchable_ports" = "0x7"
register "xhci_overcurrent_mapping" = "0x04000201"
- register "xhci_switchable_ports" = "0x0000000f"
# device specific SPI configuration
register "spi_uvscc" = "0x2005"