diff --git a/src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb b/src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb
index 33882393b5..93bae8031f 100644
--- a/src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb
+++ b/src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb
@@ -131,6 +131,9 @@ chip soc/intel/cannonlake
 	# Disable S0ix
 	register "s0ix_enable" = "0"
 
+	# Enable Turbo
+	register "eist_enable" = "1"
+
 	register "common_soc_config" = "{
 		.gspi[0] = {
 			.speed_mhz = 1,