4 files changed, 8 insertions, 0 deletions
diff --git a/src/flash/Makefile.am b/src/flash/Makefile.am
index 4c70702..c5eb248 100644
--- a/src/flash/Makefile.am
+++ b/src/flash/Makefile.am
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
 noinst_LTLIBRARIES += %D%/libflash.la
 %C%_libflash_la_SOURCES = \
 	%D%/common.c %D%/common.h
diff --git a/src/flash/nand/Makefile.am b/src/flash/nand/Makefile.am
index abe90f8..6a1a9b1 100644
--- a/src/flash/nand/Makefile.am
+++ b/src/flash/nand/Makefile.am
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
 noinst_LTLIBRARIES += %D%/libocdflashnand.la
 
 %C%_libocdflashnand_la_SOURCES = \
diff --git a/src/flash/nor/Makefile.am b/src/flash/nor/Makefile.am
index a5ef422..e3afc0d 100644
--- a/src/flash/nor/Makefile.am
+++ b/src/flash/nor/Makefile.am
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
 noinst_LTLIBRARIES += %D%/libocdflashnor.la
 %C%_libocdflashnor_la_SOURCES = \
 	%D%/core.c \
diff --git a/src/flash/startup.tcl b/src/flash/startup.tcl
index 16cbe19..654f201 100644
--- a/src/flash/startup.tcl
+++ b/src/flash/startup.tcl
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
 # Defines basic Tcl procs for OpenOCD flash module
 
 #