11 files changed, 33 insertions, 0 deletions
diff --git a/src/mainboard/google/chell/devicetree.cb b/src/mainboard/google/chell/devicetree.cb
index 4d4d0aff1d..f8c3054012 100644
--- a/src/mainboard/google/chell/devicetree.cb
+++ b/src/mainboard/google/chell/devicetree.cb
@@ -190,6 +190,9 @@ chip soc/intel/skylake
 	# Send an extra VR mailbox command for the supported MPS IMVP8 model
 	register "SendVrMbxCmd" = "1"
 
+	# Lock Down
+	register "chipset_lockdown" = "CHIPSET_LOCKDOWN_COREBOOT"
+
 	device cpu_cluster 0 on
 		device lapic 0 on end
 	end
diff --git a/src/mainboard/google/eve/devicetree.cb b/src/mainboard/google/eve/devicetree.cb
index b6cb848b40..2e017f8dcd 100644
--- a/src/mainboard/google/eve/devicetree.cb
+++ b/src/mainboard/google/eve/devicetree.cb
@@ -218,6 +218,9 @@ chip soc/intel/skylake
 	register "tdp_pl2_override" = "15"
 	register "tcc_offset" = "10"
 
+	# Lock Down
+	register "chipset_lockdown" = "CHIPSET_LOCKDOWN_COREBOOT"
+
 	device cpu_cluster 0 on
 		device lapic 0 on end
 	end
diff --git a/src/mainboard/google/fizz/devicetree.cb b/src/mainboard/google/fizz/devicetree.cb
index bf9f0c9ef9..a771380238 100644
--- a/src/mainboard/google/fizz/devicetree.cb
+++ b/src/mainboard/google/fizz/devicetree.cb
@@ -216,6 +216,9 @@ chip soc/intel/skylake
 	# Use default SD card detect GPIO configuration
 	register "sdcard_cd_gpio_default" = "GPP_A7"
 
+	# Lock Down
+	register "chipset_lockdown" = "CHIPSET_LOCKDOWN_COREBOOT"
+
 	device cpu_cluster 0 on
 		device lapic 0 on end
 	end
diff --git a/src/mainboard/google/glados/devicetree.cb b/src/mainboard/google/glados/devicetree.cb
index d4155ea6b8..0dff3d95dd 100644
--- a/src/mainboard/google/glados/devicetree.cb
+++ b/src/mainboard/google/glados/devicetree.cb
@@ -188,6 +188,9 @@ chip soc/intel/skylake
 	# Send an extra VR mailbox command for the supported MPS IMVP8 model
 	register "SendVrMbxCmd" = "1"
 
+	# Lock Down
+	register "chipset_lockdown" = "CHIPSET_LOCKDOWN_COREBOOT"
+
 	device cpu_cluster 0 on
 		device lapic 0 on end
 	end
diff --git a/src/mainboard/google/lars/devicetree.cb b/src/mainboard/google/lars/devicetree.cb
index ed1de93258..99522cbe3e 100644
--- a/src/mainboard/google/lars/devicetree.cb
+++ b/src/mainboard/google/lars/devicetree.cb
@@ -184,6 +184,9 @@ chip soc/intel/skylake
 	# Send an extra VR mailbox command for the PS4 exit issue
 	register "SendVrMbxCmd" = "2"
 
+	# Lock Down
+	register "chipset_lockdown" = "CHIPSET_LOCKDOWN_COREBOOT"
+
 	device cpu_cluster 0 on
 		device lapic 0 on end
 	end
diff --git a/src/mainboard/google/poppy/variants/baseboard/devicetree.cb b/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
index d67c9c0ae4..2324557320 100644
--- a/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
@@ -208,6 +208,9 @@ chip soc/intel/skylake
 	# Use default SD card detect GPIO configuration
 	register "sdcard_cd_gpio_default" = "GPP_E15"
 
+	# Lock Down
+	register "chipset_lockdown" = "CHIPSET_LOCKDOWN_COREBOOT"
+
 	device cpu_cluster 0 on
 		device lapic 0 on end
 	end
diff --git a/src/mainboard/google/poppy/variants/soraka/devicetree.cb b/src/mainboard/google/poppy/variants/soraka/devicetree.cb
index b874093b26..88c7c7dbeb 100644
--- a/src/mainboard/google/poppy/variants/soraka/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/soraka/devicetree.cb
@@ -208,6 +208,9 @@ chip soc/intel/skylake
 	# Use default SD card detect GPIO configuration
 	register "sdcard_cd_gpio_default" = "GPP_E15"
 
+	# Lock Down
+	register "chipset_lockdown" = "CHIPSET_LOCKDOWN_COREBOOT"
+
 	device cpu_cluster 0 on
 		device lapic 0 on end
 	end
diff --git a/src/mainboard/intel/kblrvp/variants/rvp3/devicetree.cb b/src/mainboard/intel/kblrvp/variants/rvp3/devicetree.cb
index c1974ad718..0d2bd0f397 100644
--- a/src/mainboard/intel/kblrvp/variants/rvp3/devicetree.cb
+++ b/src/mainboard/intel/kblrvp/variants/rvp3/devicetree.cb
@@ -205,6 +205,9 @@ chip soc/intel/skylake
 	# Enable/Disable VMX feature
 	register "VmxEnable" = "0"
 
+	# Lock Down
+	register "chipset_lockdown" = "CHIPSET_LOCKDOWN_COREBOOT"
+
 	device cpu_cluster 0 on
 		device lapic 0 on end
 	end
diff --git a/src/mainboard/intel/kblrvp/variants/rvp7/devicetree.cb b/src/mainboard/intel/kblrvp/variants/rvp7/devicetree.cb
index a56345c00d..6f45a46a7d 100644
--- a/src/mainboard/intel/kblrvp/variants/rvp7/devicetree.cb
+++ b/src/mainboard/intel/kblrvp/variants/rvp7/devicetree.cb
@@ -200,6 +200,9 @@ chip soc/intel/skylake
 	# Use default SD card detect GPIO configuration
 	register "sdcard_cd_gpio_default" = "GPP_G5"
 
+	# Lock Down
+	register "chipset_lockdown" = "CHIPSET_LOCKDOWN_COREBOOT"
+
 	device cpu_cluster 0 on
 		device lapic 0 on end
 	end
diff --git a/src/mainboard/intel/kunimitsu/devicetree.cb b/src/mainboard/intel/kunimitsu/devicetree.cb
index 17e8e27606..aec57b1ffa 100644
--- a/src/mainboard/intel/kunimitsu/devicetree.cb
+++ b/src/mainboard/intel/kunimitsu/devicetree.cb
@@ -194,6 +194,9 @@ chip soc/intel/skylake
 	# Use default SD card detect GPIO configuration
 	register "sdcard_cd_gpio_default" = "GPP_A7"
 
+	# Lock Down
+	register "chipset_lockdown" = "CHIPSET_LOCKDOWN_COREBOOT"
+
 	device cpu_cluster 0 on
 		device lapic 0 on end
 	end
diff --git a/src/mainboard/purism/librem13v2/devicetree.cb b/src/mainboard/purism/librem13v2/devicetree.cb
index e113b3ffa4..29d35afd23 100644
--- a/src/mainboard/purism/librem13v2/devicetree.cb
+++ b/src/mainboard/purism/librem13v2/devicetree.cb
@@ -171,6 +171,9 @@ chip soc/intel/skylake
 	# Send an extra VR mailbox command for the PS4 exit issue
 	register "SendVrMbxCmd" = "2"
 
+	# Lock Down
+	register "chipset_lockdown" = "CHIPSET_LOCKDOWN_COREBOOT"
+
 	device cpu_cluster 0 on
 		device lapic 0 on end
 	end