diff --git a/devicemodel/hw/platform/cmos_io.c b/devicemodel/hw/platform/cmos_io.c
index 9054b3db7..77a327a30 100644
--- a/devicemodel/hw/platform/cmos_io.c
+++ b/devicemodel/hw/platform/cmos_io.c
@@ -1,25 +1,8 @@
-/*************************************************************************
- *                          INTEL CONFIDENTIAL
- *                  Copyright 2018 Intel Corporation
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
  *
- * The source code contained or described herein and all documents related to
- * the source code ("Material") are owned by Intel Corporation or its
- * suppliers or licensors. Title to the Material remains with Intel
- * Corporation or its suppliers and licensors. The Material contains trade
- * secrets and proprietary and confidential information of Intel or its
- * suppliers and licensors. The Material is protected by worldwide copyright
- * and trade secret laws and treaty provisions. No part of the Material may
- * be used, copied, reproduced, modified, published, uploaded, posted,
- * transmitted, distributed, or disclosed in any way without Intel's prior
- * express written permission.
- *
- * No license under any patent, copyright, trade secret or other
- * intellectual property right is granted to or conferred upon you by
- * disclosure or delivery of the Materials, either expressly, by
- * implication, inducement, estoppel or otherwise. Any license under such
- * intellectual property rights must be express and approved by Intel in
- * writing.
- *************************************************************************/
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 
 /* cmos io device
  * - nvram 0x10 ~ 0x1F is used for android device reboot to bootloader or