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-rw-r--r--src/mainboard/lenovo/x201/devicetree.cb4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/x201/devicetree.cb b/src/mainboard/lenovo/x201/devicetree.cb
index 7592cb06bd..3005077979 100644
--- a/src/mainboard/lenovo/x201/devicetree.cb
+++ b/src/mainboard/lenovo/x201/devicetree.cb
@@ -118,6 +118,10 @@ chip northbridge/intel/nehalem
register "gen3_dec" = "0x1c1681"
register "gen4_dec" = "0x040069"
+ register "p_cnt_throttling_supported" = "1"
+ register "c2_latency" = "1"
+ register "docking_supported" = "1"
+
device pci 16.2 on # IDE/SATA
subsystemid 0x17aa 0x2161
end