diff --git a/board/gaisler/grsim/Makefile b/board/gaisler/grsim/Makefile
index 67d3dd2..2c0119e 100644
--- a/board/gaisler/grsim/Makefile
+++ b/board/gaisler/grsim/Makefile
@@ -2,23 +2,7 @@
 # (C) Copyright 2003-2004
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 #
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
+# SPDX-License-Identifier:	GPL-2.0+
 #
 
 include $(TOPDIR)/config.mk
diff --git a/board/gaisler/grsim/config.mk b/board/gaisler/grsim/config.mk
index c2e8268..d98ed54 100644
--- a/board/gaisler/grsim/config.mk
+++ b/board/gaisler/grsim/config.mk
@@ -2,23 +2,7 @@
 # (C) Copyright 2007
 # Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
 #
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
+# SPDX-License-Identifier:	GPL-2.0+
 #
 
 #
diff --git a/board/gaisler/grsim/grsim.c b/board/gaisler/grsim/grsim.c
index deccd3d..fd73920 100644
--- a/board/gaisler/grsim/grsim.c
+++ b/board/gaisler/grsim/grsim.c
@@ -1,26 +1,10 @@
-/* GRSIM/TSIM board
+/*
+ * GRSIM/TSIM board
  *
  * (C) Copyright 2007
  * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/board/gaisler/grsim/u-boot.lds b/board/gaisler/grsim/u-boot.lds
index 8de272e..cdc8394 100644
--- a/board/gaisler/grsim/u-boot.lds
+++ b/board/gaisler/grsim/u-boot.lds
@@ -1,26 +1,10 @@
-/* Linker script for Gaisler Research AB's GRSIM LEON3 simulator.
+/*
+ * Linker script for Gaisler Research AB's GRSIM LEON3 simulator.
  *
  * (C) Copyright 2007
  * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc")