diff --git a/arch/nds32/cpu/n1213/Makefile b/arch/nds32/cpu/n1213/Makefile
index 3a9ada1..0b8ce7b 100644
--- a/arch/nds32/cpu/n1213/Makefile
+++ b/arch/nds32/cpu/n1213/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0+
 #
 # (C) Copyright 2000-2006
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
@@ -5,9 +6,6 @@
 # Copyright (C) 2011 Andes Technology Corporation
 # Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
 # Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
 
 extra-y	= start.o
 
diff --git a/arch/nds32/cpu/n1213/ae3xx/Makefile b/arch/nds32/cpu/n1213/ae3xx/Makefile
index 07fa942..721a9ff 100644
--- a/arch/nds32/cpu/n1213/ae3xx/Makefile
+++ b/arch/nds32/cpu/n1213/ae3xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0+
 #
 # (C) Copyright 2009
 # Marvell Semiconductor <www.marvell.com>
@@ -6,9 +7,6 @@
 # Copyright (C) 2011 Andes Technology Corporation
 # Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
 # Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
 
 obj-y	:= cpu.o timer.o
 obj-y	+= lowlevel_init.o
diff --git a/arch/nds32/cpu/n1213/ae3xx/cpu.c b/arch/nds32/cpu/n1213/ae3xx/cpu.c
index 26f878f..c5a7a3f 100644
--- a/arch/nds32/cpu/n1213/ae3xx/cpu.c
+++ b/arch/nds32/cpu/n1213/ae3xx/cpu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2002
  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
@@ -9,8 +10,6 @@
  * Copyright (C) 2011 Andes Technology Corporation
  * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /* CPU specific code */
diff --git a/arch/nds32/cpu/n1213/ae3xx/lowlevel_init.S b/arch/nds32/cpu/n1213/ae3xx/lowlevel_init.S
index d4bc2bc..507d79e 100644
--- a/arch/nds32/cpu/n1213/ae3xx/lowlevel_init.S
+++ b/arch/nds32/cpu/n1213/ae3xx/lowlevel_init.S
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (C) 2011 Andes Technology Corporation
  * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 .pic
diff --git a/arch/nds32/cpu/n1213/ae3xx/timer.c b/arch/nds32/cpu/n1213/ae3xx/timer.c
index a284bf5..23cc767 100644
--- a/arch/nds32/cpu/n1213/ae3xx/timer.c
+++ b/arch/nds32/cpu/n1213/ae3xx/timer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2009 Faraday Technology
  * Po-Yu Chuang <ratbert@faraday-tech.com>
@@ -5,8 +6,6 @@
  * Copyright (C) 2011 Andes Technology Corporation
  * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 #ifndef CONFIG_TIMER
 #include <common.h>
diff --git a/arch/nds32/cpu/n1213/ae3xx/watchdog.S b/arch/nds32/cpu/n1213/ae3xx/watchdog.S
index 956c5f8..e46bcfb 100644
--- a/arch/nds32/cpu/n1213/ae3xx/watchdog.S
+++ b/arch/nds32/cpu/n1213/ae3xx/watchdog.S
@@ -1,8 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (C) 2011 Andes Technology Corporation
  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <asm/arch-ag101/ag101.h>
diff --git a/arch/nds32/cpu/n1213/ag101/Makefile b/arch/nds32/cpu/n1213/ag101/Makefile
index 07fa942..721a9ff 100644
--- a/arch/nds32/cpu/n1213/ag101/Makefile
+++ b/arch/nds32/cpu/n1213/ag101/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0+
 #
 # (C) Copyright 2009
 # Marvell Semiconductor <www.marvell.com>
@@ -6,9 +7,6 @@
 # Copyright (C) 2011 Andes Technology Corporation
 # Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
 # Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
 
 obj-y	:= cpu.o timer.o
 obj-y	+= lowlevel_init.o
diff --git a/arch/nds32/cpu/n1213/ag101/cpu.c b/arch/nds32/cpu/n1213/ag101/cpu.c
index 9da0b31..c9cb433 100644
--- a/arch/nds32/cpu/n1213/ag101/cpu.c
+++ b/arch/nds32/cpu/n1213/ag101/cpu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2002
  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
@@ -9,8 +10,6 @@
  * Copyright (C) 2011 Andes Technology Corporation
  * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /* CPU specific code */
diff --git a/arch/nds32/cpu/n1213/ag101/lowlevel_init.S b/arch/nds32/cpu/n1213/ag101/lowlevel_init.S
index 452d814..73f1f52 100644
--- a/arch/nds32/cpu/n1213/ag101/lowlevel_init.S
+++ b/arch/nds32/cpu/n1213/ag101/lowlevel_init.S
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (C) 2011 Andes Technology Corporation
  * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 .pic
diff --git a/arch/nds32/cpu/n1213/ag101/timer.c b/arch/nds32/cpu/n1213/ag101/timer.c
index 0c03a10..dfec5b3 100644
--- a/arch/nds32/cpu/n1213/ag101/timer.c
+++ b/arch/nds32/cpu/n1213/ag101/timer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2009 Faraday Technology
  * Po-Yu Chuang <ratbert@faraday-tech.com>
@@ -5,8 +6,6 @@
  * Copyright (C) 2011 Andes Technology Corporation
  * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 #ifndef CONFIG_TIMER
 #include <common.h>
diff --git a/arch/nds32/cpu/n1213/ag101/watchdog.S b/arch/nds32/cpu/n1213/ag101/watchdog.S
index 8442241..243096a 100644
--- a/arch/nds32/cpu/n1213/ag101/watchdog.S
+++ b/arch/nds32/cpu/n1213/ag101/watchdog.S
@@ -1,8 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (C) 2011 Andes Technology Corporation
  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <asm/arch-ag101/ag101.h>
diff --git a/arch/nds32/cpu/n1213/start.S b/arch/nds32/cpu/n1213/start.S
index 0d98d03..aa9457f 100644
--- a/arch/nds32/cpu/n1213/start.S
+++ b/arch/nds32/cpu/n1213/start.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  *	Andesboot - Startup Code for Whitiger core
  *
@@ -5,8 +6,6 @@
  *	Copyright (C) 2006	Shawn Lin <nobuhiro@andestech.com>
  *	Copyright (C) 2011	Macpaul Lin <macpaul@andestech.com>
  *				Greentime Hu <greentime@andestech.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 .pic
diff --git a/arch/nds32/cpu/n1213/u-boot.lds b/arch/nds32/cpu/n1213/u-boot.lds
index 40db0e6..4abaf0a 100644
--- a/arch/nds32/cpu/n1213/u-boot.lds
+++ b/arch/nds32/cpu/n1213/u-boot.lds
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2000
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
@@ -5,8 +6,6 @@
  * Copyright (C) 2011 Andes Technology Corporation
  * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 OUTPUT_FORMAT("elf32-nds32", "elf32-nds32", "elf32-nds32")