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-rw-r--r--src/mainboard/lenovo/t520/devicetree.cb8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/t520/devicetree.cb b/src/mainboard/lenovo/t520/devicetree.cb
index a2e12c34d7f8..5edb63e95d35 100644
--- a/src/mainboard/lenovo/t520/devicetree.cb
+++ b/src/mainboard/lenovo/t520/devicetree.cb
@@ -15,6 +15,14 @@ chip northbridge/intel/sandybridge
register "gpu_cpu_backlight" = "0x1155"
register "gpu_pch_backlight" = "0x06100610"
+ chip cpu/intel/model_206ax
+ # Values obtained from vendor BIOS
+ register "pp0_psi[VR12_PSI2]" = "{VR12_ALL_PHASES, 5}"
+ register "pp0_psi[VR12_PSI3]" = "{VR12_ALL_PHASES, 1}"
+ register "pp1_psi[VR12_PSI2]" = "{VR12_ALL_PHASES, 5}"
+ register "pp1_psi[VR12_PSI3]" = "{VR12_ALL_PHASES, 1}"
+ device cpu_cluster 0 on end
+ end
device domain 0 on
subsystemid 0x17aa 0x21cf inherit