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-rw-r--r--src/mainboard/lenovo/x220/devicetree.cb19
1 files changed, 19 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/x220/devicetree.cb b/src/mainboard/lenovo/x220/devicetree.cb
index 7a9959931e..049eea6d84 100644
--- a/src/mainboard/lenovo/x220/devicetree.cb
+++ b/src/mainboard/lenovo/x220/devicetree.cb
@@ -15,6 +15,25 @@ chip northbridge/intel/sandybridge
register "gpu_cpu_backlight" = "0x1155"
register "gpu_pch_backlight" = "0x06100610"
+ register "ec_present" = "1" # I have an embedded controller
+ register "max_mem_clock_mhz" = "666" # So DDR3 freq = 1333
+
+ register "usb_port_config" = "{
+ { 1, 0, 0x0040 },
+ { 1, 1, 0x0080 },
+ { 1, 3, 0x0080 },
+ { 1, 3, 0x0080 },
+ { 1, 0, 0x0080 },
+ { 1, 0, 0x0080 },
+ { 1, 2, 0x0040 },
+ { 1, 2, 0x0040 },
+ { 1, 6, 0x0080 },
+ { 1, 5, 0x0080 },
+ { 1, 6, 0x0080 },
+ { 1, 6, 0x0080 },
+ { 1, 7, 0x0080 },
+ { 1, 6, 0x0080 },}"
+
device domain 0 on
subsystemid 0x17aa 0x21db inherit