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authorVladimir Serbinenko <phcoder@gmail.com>2015-01-31 17:46:29 +0100
committerVladimir Serbinenko <phcoder@gmail.com>2015-02-01 10:12:12 +0100
commitac1b6def75e8dd3cd792a55d85451fa6b43e472e (patch)
treea8acd55cf9f3ab8906dd57bae9ad74530230a2f7 /src/mainboard/lenovo
parentb26156ec65f1622f97d4439b3977c7880f234054 (diff)
downloadcoreboot-ac1b6def75e8dd3cd792a55d85451fa6b43e472e.tar.xz
lenovo/x230: Set xhci_switchable_ports and superspeed_capable_ports.
Fixes USB3 ports degraded to USB2 speeds. Change-Id: Ie71c9fb6e52a3e72bb1e61351ad1cc0492d93cbc Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-on: http://review.coreboot.org/8313 Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/mainboard/lenovo')
-rw-r--r--src/mainboard/lenovo/x230/devicetree.cb3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/x230/devicetree.cb b/src/mainboard/lenovo/x230/devicetree.cb
index 5130410e90..3a05b5a89a 100644
--- a/src/mainboard/lenovo/x230/devicetree.cb
+++ b/src/mainboard/lenovo/x230/devicetree.cb
@@ -67,6 +67,9 @@ 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"
+
# Enable zero-based linear PCIe root port functions
register "pcie_port_coalesce" = "1"
register "c2_latency" = "101" # c2 not supported