5 files changed, 10 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/haswell/Makefile.inc b/src/mainboard/lenovo/haswell/Makefile.inc
index d1300f8f67..3861ea195d 100644
--- a/src/mainboard/lenovo/haswell/Makefile.inc
+++ b/src/mainboard/lenovo/haswell/Makefile.inc
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 romstage-y += variants/$(VARIANT_DIR)/gpio.c
 romstage-y += variants/$(VARIANT_DIR)/romstage.c
 
diff --git a/src/mainboard/lenovo/haswell/variants/t440p/Makefile.inc b/src/mainboard/lenovo/haswell/variants/t440p/Makefile.inc
index f3c87b2318..ffdfd17716 100644
--- a/src/mainboard/lenovo/haswell/variants/t440p/Makefile.inc
+++ b/src/mainboard/lenovo/haswell/variants/t440p/Makefile.inc
@@ -1 +1,3 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 ramstage-y += mainboard.c
diff --git a/src/mainboard/lenovo/s230u/Makefile.inc b/src/mainboard/lenovo/s230u/Makefile.inc
index 31bb642edf..073d8b2e90 100644
--- a/src/mainboard/lenovo/s230u/Makefile.inc
+++ b/src/mainboard/lenovo/s230u/Makefile.inc
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 bootblock-y += gpio.c
 romstage-y += gpio.c
 ramstage-y += ec.c
diff --git a/src/mainboard/lenovo/t430/Makefile.inc b/src/mainboard/lenovo/t430/Makefile.inc
index e402ffa605..e4b6fbf0f0 100644
--- a/src/mainboard/lenovo/t430/Makefile.inc
+++ b/src/mainboard/lenovo/t430/Makefile.inc
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 bootblock-y += gpio.c
 romstage-y += gpio.c
 
diff --git a/src/mainboard/lenovo/thinkcentre_a58/Makefile.inc b/src/mainboard/lenovo/thinkcentre_a58/Makefile.inc
index 4100476891..de8c51494d 100644
--- a/src/mainboard/lenovo/thinkcentre_a58/Makefile.inc
+++ b/src/mainboard/lenovo/thinkcentre_a58/Makefile.inc
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 ramstage-y += cstates.c
 romstage-y += gpio.c