treewide: Convert more license headers to SPDX style

Change-Id: Ia3de79c7d71049da00ed108829eac6cb49ff3ed6
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41205
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

39 files changed, 45 insertions, 734 deletions

diff --git a/src/drivers/aspeed/common/ast_drv.h b/src/drivers/aspeed/common/ast_drv.h
index 7d7d0745ab..e275108602 100644
--- a/src/drivers/aspeed/common/ast_drv.h
+++ b/src/drivers/aspeed/common/ast_drv.h
@@ -1,26 +1,4 @@
-/*
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
- * USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- */
+/* SPDX-License-Identifier: MIT */
 /*
  * Authors: Dave Airlie <airlied@redhat.com>
  */
diff --git a/src/drivers/aspeed/common/ast_i2c.c b/src/drivers/aspeed/common/ast_i2c.c
index a8cfc54a91..b4ee0180b2 100644
--- a/src/drivers/aspeed/common/ast_i2c.c
+++ b/src/drivers/aspeed/common/ast_i2c.c
@@ -1,27 +1,4 @@
-/*
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
- * USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- */
-
+/* SPDX-License-Identifier: MIT */
 /*
  * Copied from Linux drivers/gpu/drm/ast/ast_mode.c
  */
diff --git a/src/drivers/aspeed/common/ast_main.c b/src/drivers/aspeed/common/ast_main.c
index de68de77d8..5143e6d0eb 100644
--- a/src/drivers/aspeed/common/ast_main.c
+++ b/src/drivers/aspeed/common/ast_main.c
@@ -1,26 +1,4 @@
-/*
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
- * USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- */
+/* SPDX-License-Identifier: MIT */
 /*
  * Authors: Dave Airlie <airlied@redhat.com>
  */
diff --git a/src/drivers/aspeed/common/ast_mode.c b/src/drivers/aspeed/common/ast_mode.c
index ef76ab3a77..465d8866a9 100644
--- a/src/drivers/aspeed/common/ast_mode.c
+++ b/src/drivers/aspeed/common/ast_mode.c
@@ -1,25 +1,4 @@
-/*
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
- * USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- */
-
+/* SPDX-License-Identifier: MIT */
 /*
  * Copied from Linux drivers/gpu/drm/ast/ast_mode.c
  * Please try to keep as close as possible to the upstream source.
diff --git a/src/drivers/aspeed/common/ast_mode_corebootfb.c b/src/drivers/aspeed/common/ast_mode_corebootfb.c
index 071ff7f0ff..2a033a028b 100644
--- a/src/drivers/aspeed/common/ast_mode_corebootfb.c
+++ b/src/drivers/aspeed/common/ast_mode_corebootfb.c
@@ -1,26 +1,4 @@
-/*
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
- * USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- */
-
+/* SPDX-License-Identifier: MIT */
 /*
  * Copied from Linux drivers/gpu/drm/ast/ast_mode.c
  */
diff --git a/src/drivers/aspeed/common/ast_post.c b/src/drivers/aspeed/common/ast_post.c
index 2695b51199..b3b7d6196c 100644
--- a/src/drivers/aspeed/common/ast_post.c
+++ b/src/drivers/aspeed/common/ast_post.c
@@ -1,26 +1,4 @@
-/*
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
- * USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- */
+/* SPDX-License-Identifier: MIT */
 
 #define COREBOOT_AST_FAILOVER_TIMEOUT	10000000
 
diff --git a/src/drivers/aspeed/common/ast_tables.h b/src/drivers/aspeed/common/ast_tables.h
index eeb1997a1a..fb13da803f 100644
--- a/src/drivers/aspeed/common/ast_tables.h
+++ b/src/drivers/aspeed/common/ast_tables.h
@@ -1,23 +1,4 @@
-/*
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of the authors not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission.  The authors makes no representations
- * about the suitability of this software for any purpose.  It is provided
- * "as is" without express or implied warranty.
- *
- * THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
+/* SPDX-License-Identifier: HPND-sell-variant */
 /* Ported from xf86-video-ast driver */
 
 #ifndef AST_TABLES_H
diff --git a/src/drivers/crb/tpm.c b/src/drivers/crb/tpm.c
index 964ccf9f95..6436725d69 100644
--- a/src/drivers/crb/tpm.c
+++ b/src/drivers/crb/tpm.c
@@ -1,7 +1,5 @@
-/*.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- *
+/* SPDX-License-Identifier: BSD-3-Clause */
+/*
  * This is a driver for a CRB Interface.
  *
  * The general flow looks like this:
diff --git a/src/drivers/crb/tpm.h b/src/drivers/crb/tpm.h
index 9bbed198f0..449d02fb6b 100644
--- a/src/drivers/crb/tpm.h
+++ b/src/drivers/crb/tpm.h
@@ -1,10 +1,5 @@
-/*
- * Copyright 2016 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- *
- * This is a driver for a Command Response Buffer Interface
- */
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* This is a driver for a Command Response Buffer Interface */
 
 /* CRB driver */
 /* address of locality 0 (CRB) */
diff --git a/src/drivers/intel/fsp1_1/temp_ram_exit.c b/src/drivers/intel/fsp1_1/temp_ram_exit.c
index 28bc94037f..08324eb8cf 100644
--- a/src/drivers/intel/fsp1_1/temp_ram_exit.c
+++ b/src/drivers/intel/fsp1_1/temp_ram_exit.c
@@ -1,9 +1,4 @@
-/*
- * 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <console/console.h>
 #include <fsp/util.h>
diff --git a/src/drivers/intel/gma/i915_reg.h b/src/drivers/intel/gma/i915_reg.h
index b37471d7bb..af5aca8852 100644
--- a/src/drivers/intel/gma/i915_reg.h
+++ b/src/drivers/intel/gma/i915_reg.h
@@ -1,24 +1,4 @@
-/*
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
+/* SPDX-License-Identifier: MIT */
 
 #ifndef _I915_REG_H_
 #define _I915_REG_H_
diff --git a/src/drivers/intel/gma/intel_bios.h b/src/drivers/intel/gma/intel_bios.h
index b71fd70b28..3df72c71fb 100644
--- a/src/drivers/intel/gma/intel_bios.h
+++ b/src/drivers/intel/gma/intel_bios.h
@@ -1,23 +1,4 @@
-/*
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
+/* SPDX-License-Identifier: MIT */
 /*
  * Authors:
  *    Eric Anholt <eric@anholt.net>
diff --git a/src/drivers/intel/gma/intel_ddi.c b/src/drivers/intel/gma/intel_ddi.c
index 5c55597ecc..87b768c783 100644
--- a/src/drivers/intel/gma/intel_ddi.c
+++ b/src/drivers/intel/gma/intel_ddi.c
@@ -1,23 +1,4 @@
-/*
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
+/* SPDX-License-Identifier: MIT */
 
 #include <types.h>
 #include <device/device.h>
diff --git a/src/drivers/spi/tpm/tis.c b/src/drivers/spi/tpm/tis.c
index 60dc705bee..6849ea7bf0 100644
--- a/src/drivers/spi/tpm/tis.c
+++ b/src/drivers/spi/tpm/tis.c
@@ -1,8 +1,4 @@
-/*
- * Copyright 2016 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
+/* SPDX-License-Identifier: BSD-3-Clause */
 
 #include <console/console.h>
 #include <security/tpm/tis.h>
diff --git a/src/drivers/spi/tpm/tpm.c b/src/drivers/spi/tpm/tpm.c
index c47aed312c..24851d1c86 100644
--- a/src/drivers/spi/tpm/tpm.c
+++ b/src/drivers/spi/tpm/tpm.c
@@ -1,9 +1,5 @@
-/*
- * Copyright 2016 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- *
- * This is a driver for a SPI interfaced TPM2 device.
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* This is a driver for a SPI interfaced TPM2 device.
  *
  * It assumes that the required SPI interface has been initialized before the
  * driver is started. A 'sruct spi_slave' pointer passed at initialization is
diff --git a/src/drivers/spi/tpm/tpm.h b/src/drivers/spi/tpm/tpm.h
index 214d3bd2df..be98ed05df 100644
--- a/src/drivers/spi/tpm/tpm.h
+++ b/src/drivers/spi/tpm/tpm.h
@@ -1,8 +1,4 @@
-/*
- * Copyright 2016 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
+/* SPDX-License-Identifier: BSD-3-Clause */
 
 #ifndef __COREBOOT_SRC_DRIVERS_SPI_TPM_TPM_H
 #define __COREBOOT_SRC_DRIVERS_SPI_TPM_TPM_H
diff --git a/src/drivers/ti/tps65090/tps65090.c b/src/drivers/ti/tps65090/tps65090.c
index 6eae6fb1ae..4f9005bb5c 100644
--- a/src/drivers/ti/tps65090/tps65090.c
+++ b/src/drivers/ti/tps65090/tps65090.c
@@ -1,37 +1,4 @@
-/*
- * Copyright 2012, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *    * Redistributions of source code must retain the above copyright
- *      notice, this list of conditions and the following disclaimer.
- *    * Redistributions in binary form must reproduce the above
- *      copyright notice, this list of conditions and the following
- *      disclaimer in the documentation and/or other materials provided
- *      with the distribution.
- *    * Neither the name of Google Inc. nor the names of its
- *      contributors may be used to endorse or promote products derived
- *      from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- */
+/* SPDX-License-Identifier: BSD-3-Clause or GPL-2.0-only */
 
 #include <delay.h>
 #include <types.h>
diff --git a/src/drivers/ti/tps65090/tps65090.h b/src/drivers/ti/tps65090/tps65090.h
index a79158b697..f1ca727eba 100644
--- a/src/drivers/ti/tps65090/tps65090.h
+++ b/src/drivers/ti/tps65090/tps65090.h
@@ -1,37 +1,4 @@
-/*
- * Copyright 2012, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *    * Redistributions of source code must retain the above copyright
- *      notice, this list of conditions and the following disclaimer.
- *    * Redistributions in binary form must reproduce the above
- *      copyright notice, this list of conditions and the following
- *      disclaimer in the documentation and/or other materials provided
- *      with the distribution.
- *    * Neither the name of Google Inc. nor the names of its
- *      contributors may be used to endorse or promote products derived
- *      from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- */
+/* SPDX-License-Identifier: BSD-3-Clause or GPL-2.0-only */
 
 #ifndef __TPS65090_H_
 #define __TPS65090_H_
diff --git a/src/drivers/vpd/vpd_cbmem.c b/src/drivers/vpd/vpd_cbmem.c
index a0bb161287..eadda525d6 100644
--- a/src/drivers/vpd/vpd_cbmem.c
+++ b/src/drivers/vpd/vpd_cbmem.c
@@ -1,8 +1,4 @@
-/*
- * Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
+/* SPDX-License-Identifier: BSD-3-Clause */
 
 #include <console/console.h>
 #include <cbmem.h>
diff --git a/src/ec/google/chromeec/ec_commands.h b/src/ec/google/chromeec/ec_commands.h
index d642d9eb64..62761a29ad 100644
--- a/src/ec/google/chromeec/ec_commands.h
+++ b/src/ec/google/chromeec/ec_commands.h
@@ -1,30 +1,4 @@
-// Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//    * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//    * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//    * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause */
 
 /* Host communication command constants for Chrome EC */
 
diff --git a/src/lib/edid.c b/src/lib/edid.c
index 748f3d63fd..decc077042 100644
--- a/src/lib/edid.c
+++ b/src/lib/edid.c
@@ -1,22 +1,4 @@
-/*
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * on the rights to use, copy, modify, merge, publish, distribute, sub
- * license, and/or sell copies of the Software, and to permit persons to whom
- * the Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
+/* SPDX-License-Identifier: MIT */
 
 /* this is a pretty robust parser for EDID, and we're tasked with parsing
  * an arbitrary panel. We will pass it a raw EDID block and a struct which
diff --git a/src/lib/edid_fill_fb.c b/src/lib/edid_fill_fb.c
index 31ee6d1f8f..422feaf9e7 100644
--- a/src/lib/edid_fill_fb.c
+++ b/src/lib/edid_fill_fb.c
@@ -1,22 +1,4 @@
-/*
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * on the rights to use, copy, modify, merge, publish, distribute, sub
- * license, and/or sell copies of the Software, and to permit persons to whom
- * the Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
+/* SPDX-License-Identifier: MIT */
 
 #include <console/console.h>
 #include <edid.h>
diff --git a/src/lib/hexstrtobin.c b/src/lib/hexstrtobin.c
index f0d3e9daba..58dea8e349 100644
--- a/src/lib/hexstrtobin.c
+++ b/src/lib/hexstrtobin.c
@@ -1,15 +1,4 @@
-/*
- * Copyright 2016 Google Inc.
- *
- * 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; version 2 of the License.
- *
- * 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <ctype.h>
 #include <lib.h>
diff --git a/src/lib/ubsan.c b/src/lib/ubsan.c
index b91dac2636..8c1f64d427 100644
--- a/src/lib/ubsan.c
+++ b/src/lib/ubsan.c
@@ -1,16 +1,4 @@
-/*
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
+/* SPDX-License-Identifier: ISC */
 /* ubsan/ubsan.c
  * Undefined behavior sanitizer runtime support.
  *
diff --git a/src/mainboard/cavium/cn8100_sff_evb/cn81xx-linux.dtsi b/src/mainboard/cavium/cn8100_sff_evb/cn81xx-linux.dtsi
index d82b5ac05e..965fd6f052 100644
--- a/src/mainboard/cavium/cn8100_sff_evb/cn81xx-linux.dtsi
+++ b/src/mainboard/cavium/cn8100_sff_evb/cn81xx-linux.dtsi
@@ -1,45 +1,5 @@
-/*
- * Cavium Thunder DTS file - Thunder SoC description
- *
- * Copyright (C) 2016, Cavium Inc.
- *
- * This file is dual-licensed: you can use it either under the terms
- * of the GPL or the X11 license, at your option. Note that this dual
- * licensing only applies to this file, and not this project as a
- * whole.
- *
- * a) 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; version 2 of the License.
- *
- *    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.
- *
- * Or, alternatively,
- *
- *  b) Permission is hereby granted, free of charge, to any person
- *     obtaining a copy of this software and associated documentation
- *     files (the "Software"), to deal in the Software without
- *     restriction, including without limitation the rights to use,
- *     copy, modify, merge, publish, distribute, sublicense, and/or
- *     sell copies of the Software, and to permit persons to whom the
- *     Software is furnished to do so, subject to the following
- *     conditions:
- *
- *     The above copyright notice and this permission notice shall be
- *     included in all copies or substantial portions of the Software.
- *
- *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- *     OTHER DEALINGS IN THE SOFTWARE.
- */
+/* SPDX-License-Identifier: GPL-2.0-only OR X11 */
+/* Cavium Thunder DTS file - Thunder SoC description */
 
 / {
 	model = "Cavium ThunderX CN81XX board";
diff --git a/src/mainboard/cavium/cn8100_sff_evb/ddr4-common.dtsi b/src/mainboard/cavium/cn8100_sff_evb/ddr4-common.dtsi
index 72ff649014..2566b2d9f9 100644
--- a/src/mainboard/cavium/cn8100_sff_evb/ddr4-common.dtsi
+++ b/src/mainboard/cavium/cn8100_sff_evb/ddr4-common.dtsi
@@ -1,41 +1,5 @@
-/***********************license start***********************************
-* Copyright (c) 2003-2016  Cavium Inc. (support@cavium.com). All rights
-* reserved.
-*
-*
-* Redistribution and use in source and binary forms, with or without
-* modification, are permitted provided that the following conditions are
-* met:
-*
-*   * Redistributions of source code must retain the above copyright
-*     notice, this list of conditions and the following disclaimer.
-*
-*   * Redistributions in binary form must reproduce the above
-*     copyright notice, this list of conditions and the following
-*     disclaimer in the documentation and/or other materials provided
-*     with the distribution.
-*
-*   * Neither the name of Cavium Inc. nor the names of
-*     its contributors may be used to endorse or promote products
-*     derived from this software without specific prior written
-*     permission.
-*
-* This Software, including technical data, may be subject to U.S. export
-* control laws, including the U.S. Export Administration Act and its
-* associated regulations, and may be subject to export or import
-* regulations in other countries.
-*
-* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
-* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
-* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT
-* TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
-* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
-* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
-* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
-* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT,
-* QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE  RISK
-* ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
-***********************license end**************************************/
+/* SPDX-License-Identifier: BSD-3-Clause */
+
 / {
 cavium,bdk {
 	/* Speed grade to use for DRAM in MT/s. Hardware may adjust this value
diff --git a/src/mainboard/cavium/cn8100_sff_evb/sff8104-linux.dts b/src/mainboard/cavium/cn8100_sff_evb/sff8104-linux.dts
index 1448ee6220..beba36f3f8 100644
--- a/src/mainboard/cavium/cn8100_sff_evb/sff8104-linux.dts
+++ b/src/mainboard/cavium/cn8100_sff_evb/sff8104-linux.dts
@@ -1,45 +1,5 @@
-/*
- * Cavium Thunder DTS file - Thunder board description
- *
- * Copyright (C) 2016, Cavium Inc.
- *
- * This file is dual-licensed: you can use it either under the terms
- * of the GPL or the X11 license, at your option. Note that this dual
- * licensing only applies to this file, and not this project as a
- * whole.
- *
- * a) 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; version 2 of the License.
- *
- *    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.
- *
- * Or, alternatively,
- *
- *  b) Permission is hereby granted, free of charge, to any person
- *     obtaining a copy of this software and associated documentation
- *     files (the "Software"), to deal in the Software without
- *     restriction, including without limitation the rights to use,
- *     copy, modify, merge, publish, distribute, sublicense, and/or
- *     sell copies of the Software, and to permit persons to whom the
- *     Software is furnished to do so, subject to the following
- *     conditions:
- *
- *     The above copyright notice and this permission notice shall be
- *     included in all copies or substantial portions of the Software.
- *
- *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- *     OTHER DEALINGS IN THE SOFTWARE.
- */
+/* SPDX-License-Identifier: GPL-2.0-only OR X11 */
+/* Cavium Thunder DTS file - Thunder board description */
 
 /dts-v1/;
 
diff --git a/src/security/intel/stm/SmmStm.c b/src/security/intel/stm/SmmStm.c
index f23be70217..87873f5a69 100644
--- a/src/security/intel/stm/SmmStm.c
+++ b/src/security/intel/stm/SmmStm.c
@@ -1,18 +1,4 @@
-/* @file
- * SMM STM support
- *
- * Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.
- *
- * This program and the accompanying materials are licensed and made available
- * under the terms and conditions of the BSD License which accompanies this
- * distribution.  The full text of the license may be found at
- * http://opensource.org/licenses/bsd-license.php.
- *
- * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
- * IMPLIED.
- *
- */
+/* SPDX-License-Identifier: BSD-2-Clause */
 
 #include <console/console.h>
 #include <cpu/x86/cr.h>
diff --git a/src/security/intel/stm/SmmStm.h b/src/security/intel/stm/SmmStm.h
index 169025553a..c12b0347af 100644
--- a/src/security/intel/stm/SmmStm.h
+++ b/src/security/intel/stm/SmmStm.h
@@ -1,16 +1,4 @@
-/* @file
- *  SMM STM support
- *
- *  Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.
- *  This program and the accompanying materials are licensed and made
- *  available under the terms and conditions of the BSD License which
- *  accompanies this distribution.  The full text of the license may
- *  be found at http://opensource.org/licenses/bsd-license.php.
- *
- * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED
- *
- */
+/* SPDX-License-Identifier: BSD-2-Clause */
 
 #ifndef _SMM_STM_H_
 #define _SMM_STM_H_
diff --git a/src/security/intel/stm/StmApi.h b/src/security/intel/stm/StmApi.h
index 342ceeacf6..af57341fc9 100644
--- a/src/security/intel/stm/StmApi.h
+++ b/src/security/intel/stm/StmApi.h
@@ -1,17 +1,4 @@
-/* @file
- * STM API definition
- *
- * Copyright (c) 2015, Intel Corporation. All rights reserved.
- * This program and the accompanying materials are licensed and made available
- * under the terms and conditions of the BSD License which accompanies this
- * distribution.  The full text of the license may be found at
- * http://opensource.org/licenses/bsd-license.php.
- *
- * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND,
- * EITHER EXPRESS OR IMPLIED.
- *
- */
+/* SPDX-License-Identifier: BSD-2-Clause */
 
 #ifndef _STM_API_H_
 #define _STM_API_H_
diff --git a/src/security/intel/stm/StmPlatformResource.c b/src/security/intel/stm/StmPlatformResource.c
index 6fef515052..08b0bce1e9 100644
--- a/src/security/intel/stm/StmPlatformResource.c
+++ b/src/security/intel/stm/StmPlatformResource.c
@@ -1,16 +1,4 @@
-/* @file
- * STM platform SMM resource
- *
- * Copyright (c) 2015, Intel Corporation. All rights reserved.
- * This program and the accompanying materials are licensed and made
- * available under the terms and conditions of the BSD License which
- * accompanies this distribution.  The full text of the license may be found
- * at http://opensource.org/licenses/bsd-license.php.
- *
- * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
- * IMPLIED.
- */
+/* SPDX-License-Identifier: BSD-2-Clause */
 
 #include <stdint.h>
 #include <security/intel/stm/StmApi.h>
diff --git a/src/security/intel/stm/StmPlatformResource.h b/src/security/intel/stm/StmPlatformResource.h
index 7db2fc0330..eaadab739e 100644
--- a/src/security/intel/stm/StmPlatformResource.h
+++ b/src/security/intel/stm/StmPlatformResource.h
@@ -1,16 +1,4 @@
-/* @file
- * STM platform SMM resource
- *
- * Copyright (c) 2015, Intel Corporation. All rights reserved.
- * This program and the accompanying materials are licensed and made available
- * under the terms and conditions of the BSD License which accompanies this
- * distribution.  The full text of the license may be found at
- * http://opensource.org/licenses/bsd-license.php.
- *
- * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
- * IMPLIED.
- */
+/* SPDX-License-Identifier: BSD-2-Clause */
 
 #ifndef _STM_PLATFORM_RESOURCE_H_
 #define _STM_PLATFORM_RESOURCE_H_
diff --git a/src/security/intel/stm/StmPlatformSmm.c b/src/security/intel/stm/StmPlatformSmm.c
index b9d2686f35..de41f418bd 100644
--- a/src/security/intel/stm/StmPlatformSmm.c
+++ b/src/security/intel/stm/StmPlatformSmm.c
@@ -1,17 +1,4 @@
-/* @file
- * STM platform SMM API
- *
- * Copyright (c) 2015, Intel Corporation. All rights reserved.
- * This program and the accompanying materials are licensed and made
- * available under the terms and conditions of the BSD License which
- * accompanies this distribution.  The full text of the license may be found
- * at http://opensource.org/licenses/bsd-license.php.
- *
- * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
- * IMPLIED.
- *
- */
+/* SPDX-License-Identifier: BSD-2-Clause */
 
 #include <security/intel/stm/StmApi.h>
 #include <security/intel/stm/SmmStm.h>
diff --git a/src/security/vboot/antirollback.h b/src/security/vboot/antirollback.h
index 6bc020d208..595205da29 100644
--- a/src/security/vboot/antirollback.h
+++ b/src/security/vboot/antirollback.h
@@ -1,31 +1,4 @@
-/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *    * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *    * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *    * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
+/* SPDX-License-Identifier: BSD-3-Clause */
 
 /*
  * Functions for querying, manipulating and locking rollback indices
diff --git a/src/security/vboot/secdata_mock.c b/src/security/vboot/secdata_mock.c
index edb6739653..ae124dadf4 100644
--- a/src/security/vboot/secdata_mock.c
+++ b/src/security/vboot/secdata_mock.c
@@ -1,31 +1,4 @@
-/* Copyright (c) 2015 The Chromium OS Authors. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *    * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *    * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *    * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
+/* SPDX-License-Identifier: BSD-3-Clause */
 
 /*
  * Functions for querying, manipulating and locking rollback indices
diff --git a/src/security/vboot/secdata_tpm.c b/src/security/vboot/secdata_tpm.c
index 37665bc23d..6a4dc712e2 100644
--- a/src/security/vboot/secdata_tpm.c
+++ b/src/security/vboot/secdata_tpm.c
@@ -1,31 +1,4 @@
-/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *    * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *    * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *    * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
+/* SPDX-License-Identifier: BSD-3-Clause */
 
 /*
  * Functions for querying, manipulating and locking rollback indices
diff --git a/util/intelmetool/Makefile b/util/intelmetool/Makefile
index 4bf3c345e2..a97f380d60 100644
--- a/util/intelmetool/Makefile
+++ b/util/intelmetool/Makefile
@@ -1,14 +1,4 @@
-# intelmetool
-
-# 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.
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 PROGRAM = intelmetool
 
diff --git a/util/inteltool/Makefile b/util/inteltool/Makefile
index 75daef0cef..1ae04d4fc7 100644
--- a/util/inteltool/Makefile
+++ b/util/inteltool/Makefile
@@ -1,13 +1,4 @@
-# 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.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 PROGRAM = inteltool
 
diff --git a/util/inteltool/ivy_memory.c b/util/inteltool/ivy_memory.c
index 2893c70121..7a81a92dba 100644
--- a/util/inteltool/ivy_memory.c
+++ b/util/inteltool/ivy_memory.c
@@ -1,13 +1,4 @@
-/*
- * 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; version 2 or (at your option) any later version of the License.
- *
- * 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <stdio.h>
 #include <stdlib.h>