diff --git a/board/sandburst/karef/Makefile b/board/sandburst/karef/Makefile
index fe9b514..9cceb47 100644
--- a/board/sandburst/karef/Makefile
+++ b/board/sandburst/karef/Makefile
@@ -6,23 +6,7 @@
 # Sandburst Corporation
 # Travis B. Sawyer
 #
-# 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/sandburst/karef/config.mk b/board/sandburst/karef/config.mk
index 85fccd8..b73986d 100644
--- a/board/sandburst/karef/config.mk
+++ b/board/sandburst/karef/config.mk
@@ -2,23 +2,7 @@
 # (C) Copyright 2005
 # Sandburst Corporation
 #
-# 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/sandburst/karef/init.S b/board/sandburst/karef/init.S
index 11ab5af..61c5d07 100644
--- a/board/sandburst/karef/init.S
+++ b/board/sandburst/karef/init.S
@@ -1,23 +1,6 @@
 /*
 *  Copyright (C) 2005 Sandburst Corporation
-*
-* 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+
 */
 /*
  * Ported from Ebony init.S by Travis B. Sawyer
diff --git a/board/sandburst/karef/karef.c b/board/sandburst/karef/karef.c
index 6457f9b..93681c1 100644
--- a/board/sandburst/karef/karef.c
+++ b/board/sandburst/karef/karef.c
@@ -2,23 +2,7 @@
  *  Copyright (C) 2005 Sandburst Corporation
  *  Travis B. Sawyer
  *
- * 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 <config.h>
diff --git a/board/sandburst/karef/karef.h b/board/sandburst/karef/karef.h
index 5de7cb5..eb9c314 100644
--- a/board/sandburst/karef/karef.h
+++ b/board/sandburst/karef/karef.h
@@ -5,23 +5,7 @@
  * Sandburst Corporation
  * Travis B. Sawyer
  *
- * 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+
  */
 
 /* Ka Reference Design OFEM FPGA Registers & definitions */
diff --git a/board/sandburst/karef/karef_version.h b/board/sandburst/karef/karef_version.h
index 9960b9a..5226e7a 100644
--- a/board/sandburst/karef/karef_version.h
+++ b/board/sandburst/karef/karef_version.h
@@ -4,23 +4,7 @@
  *  Copyright (C) 2005 Sandburst Corporation
  *  Travis B. Sawyer
  *
- * 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+ 
  */
 #define KAREF_U_BOOT_REL_STR "Release 0.0.7"
 #endif
diff --git a/board/sandburst/karef/u-boot.lds.debug b/board/sandburst/karef/u-boot.lds.debug
index b3b365e..c17c8b9 100644
--- a/board/sandburst/karef/u-boot.lds.debug
+++ b/board/sandburst/karef/u-boot.lds.debug
@@ -3,23 +3,7 @@
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  * Travis B. Sawyer, Sandburst Corporation, tsawyer@sandburst.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_ARCH(powerpc)