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Diffstat (limited to 'src/mainboard/intel/tglrvp')
-rw-r--r--src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb3
-rw-r--r--src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb3
2 files changed, 6 insertions, 0 deletions
diff --git a/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb b/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
index a2d297dc79..84b965e605 100644
--- a/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
+++ b/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
@@ -115,6 +115,9 @@ chip soc/intel/tigerlake
register "TcssXhciEn" = "1"
register "TcssAuxOri" = "0"
+ # Enable "Intel Speed Shift Technology"
+ register "speed_shift_enable" = "1"
+
# Enable S0ix
register "s0ix_enable" = "1"
diff --git a/src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb b/src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb
index c381d2ef7d..417f23f83f 100644
--- a/src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb
+++ b/src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb
@@ -109,6 +109,9 @@ chip soc/intel/tigerlake
register "TcssXhciEn" = "1"
register "TcssAuxOri" = "0"
+ # Enable "Intel Speed Shift Technology"
+ register "speed_shift_enable" = "1"
+
# Enable S0ix
register "s0ix_enable" = "1"