diff --git a/bsps/nios2/nios2_iss/btimer/btimer.c b/bsps/nios2/nios2_iss/btimer/btimer.c
index 7304e99eaf..44b681b804 100644
--- a/bsps/nios2/nios2_iss/btimer/btimer.c
+++ b/bsps/nios2/nios2_iss/btimer/btimer.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*
  * This file manages the benchmark timer used by the RTEMS Timing Test
  * Suite.  Each measured time period is demarcated by calls to
diff --git a/bsps/nios2/nios2_iss/console/console.c b/bsps/nios2/nios2_iss/console/console.c
index 9197c6486c..5cf1166592 100644
--- a/bsps/nios2/nios2_iss/console/console.c
+++ b/bsps/nios2/nios2_iss/console/console.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*
  *  This file implements simple console IO via JTAG UART.
  */
diff --git a/bsps/nios2/nios2_iss/start/bspstart.c b/bsps/nios2/nios2_iss/start/bspstart.c
index c619e583ae..8a964f1d87 100644
--- a/bsps/nios2/nios2_iss/start/bspstart.c
+++ b/bsps/nios2/nios2_iss/start/bspstart.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*
  *  This routine starts the application.  It includes application,
  *  board, and monitor specific initialization and configuration.
diff --git a/bsps/nios2/nios2_iss/start/crtnn.S b/bsps/nios2/nios2_iss/start/crtnn.S
index ae805bc967..6eb0d423c0 100644
--- a/bsps/nios2/nios2_iss/start/crtnn.S
+++ b/bsps/nios2/nios2_iss/start/crtnn.S
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*  NIOS2 crtn.asm fix
  *
  *  COPYRIGHT (c) 2005-2006 Kolja Waschk rtemsdev/ixo.de
diff --git a/bsps/nios2/nios2_iss/start/main.c b/bsps/nios2/nios2_iss/start/main.c
index 651b425b7c..adaacc6459 100644
--- a/bsps/nios2/nios2_iss/start/main.c
+++ b/bsps/nios2/nios2_iss/start/main.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*  main()
  *
  *  This is the entry point for the application.  It calls
diff --git a/bsps/nios2/nios2_iss/start/start.S b/bsps/nios2/nios2_iss/start/start.S
index 5caa441330..5fa741a23b 100644
--- a/bsps/nios2/nios2_iss/start/start.S
+++ b/bsps/nios2/nios2_iss/start/start.S
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*  NIOS2 startup code
  *
  *  This is the entry point on reset and when loading the