treewide: replace GPLv2 long form headers with SPDX header

This replaces GPLv2-or-later and GPLv2-only long form text with the
short SPDX identifiers.

Commands used:
perl -i -p0e 's|/\*[*\n\t ]*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.*or.*(at.*your.*option).*any.*later.*version.+This.*program.*is.*distributed.*in.*the.*hope.*that.*it.*will.*be.*useful,.*but.*;.*without.*even.*the.*implied.*warranty.*of.*MERCHANTABILITY.*or.*FITNESS.*FOR.*A.*PARTICULAR.*PURPOSE..*.*See.*the.*GNU.*General.*Public.*License for more details.[\n\t ]*\*/|/* SPDX-License-Identifier: GPL-2.0-or-later */|s' $(cat filelist)

perl -i -p0e 's|/\*[*\n\t ]*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.+This.*program.*is.*distributed.*in.*the.*hope.*that.*it.*will.*be.*useful,.*but.*;.*without.*even.*the.*implied.*warranty.*of.*MERCHANTABILITY.*or.*FITNESS.*FOR.*A.*PARTICULAR.*PURPOSE..*.*See.*the.*GNU.*General.*Public.*License for more details.[\n\t ]*\*/|/* SPDX-License-Identifier: GPL-2.0-only */|s' $(cat filelist)

perl -i -p0e 's|/\*[*\n\t ]*This program is free software[:;].*you.*can.*redistribute.*it.*and/or.*modify.*it.*under.*the.*terms.*of.*the.*GNU.*General.*Public.*License.*version.*2.*as.*published.*by.*the.*Free.*Software.*Foundation[.;,].+This.*program.*is.*distributed.*in.*the.*hope.*that.*it.*will.*be.*useful,.*but.*;.*without.*even.*the.*implied.*warranty.*of.*MERCHANTABILITY.*or.*FITNESS.*FOR.*A.*PARTICULAR.*PURPOSE..*.*See.*the.*GNU.*General.*Public.*License for more details.[\n\t ]*\*/|/* SPDX-License-Identifier: GPL-2.0-only */|s' $(cat filelist)

perl -i -p0e 's|/\*[*\n\t ]*This software is licensed under.*the.*terms.*of.*the.*GNU.*General.*Public.*License.*version.*2.*as.*published.*by.*the.*Free.*Software.*Foundation,.+This.*program.*is.*distributed.*in.*the.*hope.*that.*it.*will.*be.*useful,.*but.*;.*without.*even.*the.*implied.*warranty.*of.*MERCHANTABILITY.*or.*FITNESS.*FOR.*A.*PARTICULAR.*PURPOSE..*.*See.*the.*GNU.*General.*Public.*License for more details.[\n\t ]*\*/|/* SPDX-License-Identifier: GPL-2.0-only */|s' $(cat filelist)

Change-Id: I7a746088a35633c11fc7ebe86006e96458a1abf8
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41066
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>

138 files changed, 138 insertions, 1626 deletions

diff --git a/src/mainboard/amd/padmelon/hda_verb.c b/src/mainboard/amd/padmelon/hda_verb.c
index 4e1418c0a6..de192a393a 100644
--- a/src/mainboard/amd/padmelon/hda_verb.c
+++ b/src/mainboard/amd/padmelon/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/azalia_device.h>
 
diff --git a/src/mainboard/apple/macbook21/hda_verb.c b/src/mainboard/apple/macbook21/hda_verb.c
index cfd6e0bef3..a7e1138931 100644
--- a/src/mainboard/apple/macbook21/hda_verb.c
+++ b/src/mainboard/apple/macbook21/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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 */
 
 #include <device/azalia_device.h>
 
diff --git a/src/mainboard/asrock/b75pro3-m/mainboard.c b/src/mainboard/asrock/b75pro3-m/mainboard.c
index ef929669f3..53ca822c09 100644
--- a/src/mainboard/asrock/b75pro3-m/mainboard.c
+++ b/src/mainboard/asrock/b75pro3-m/mainboard.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/device.h>
 #include <drivers/intel/gma/int15.h>
diff --git a/src/mainboard/asrock/g41c-gs/early_init.c b/src/mainboard/asrock/g41c-gs/early_init.c
index 88fe3fb090..9f811a430e 100644
--- a/src/mainboard/asrock/g41c-gs/early_init.c
+++ b/src/mainboard/asrock/g41c-gs/early_init.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <bootblock_common.h>
 #include <device/pnp_ops.h>
diff --git a/src/mainboard/asrock/g41c-gs/hda_verb.c b/src/mainboard/asrock/g41c-gs/hda_verb.c
index 661f6c45ef..33b1027ab7 100644
--- a/src/mainboard/asrock/g41c-gs/hda_verb.c
+++ b/src/mainboard/asrock/g41c-gs/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/azalia_device.h>
 
diff --git a/src/mainboard/asrock/h110m/mainboard.c b/src/mainboard/asrock/h110m/mainboard.c
index 01b70e0fad..fe670efe47 100644
--- a/src/mainboard/asrock/h110m/mainboard.c
+++ b/src/mainboard/asrock/h110m/mainboard.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/device.h>
 #include <drivers/intel/gma/int15.h>
diff --git a/src/mainboard/asrock/h81m-hds/acpi/platform.asl b/src/mainboard/asrock/h81m-hds/acpi/platform.asl
index 81591d6ece..2238209f21 100644
--- a/src/mainboard/asrock/h81m-hds/acpi/platform.asl
+++ b/src/mainboard/asrock/h81m-hds/acpi/platform.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 Method(_WAK, 1)
 {
diff --git a/src/mainboard/asrock/h81m-hds/acpi/superio.asl b/src/mainboard/asrock/h81m-hds/acpi/superio.asl
index 43ab19a9e1..8cb29eacad 100644
--- a/src/mainboard/asrock/h81m-hds/acpi/superio.asl
+++ b/src/mainboard/asrock/h81m-hds/acpi/superio.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #define SUPERIO_DEV		SIO0
 #define SUPERIO_PNP_BASE	0x2e
diff --git a/src/mainboard/asrock/h81m-hds/acpi_tables.c b/src/mainboard/asrock/h81m-hds/acpi_tables.c
index 4c600616b4..b40bb95725 100644
--- a/src/mainboard/asrock/h81m-hds/acpi_tables.c
+++ b/src/mainboard/asrock/h81m-hds/acpi_tables.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <southbridge/intel/lynxpoint/nvs.h>
 
diff --git a/src/mainboard/asrock/h81m-hds/dsdt.asl b/src/mainboard/asrock/h81m-hds/dsdt.asl
index 9e40cfc043..e8335d54a9 100644
--- a/src/mainboard/asrock/h81m-hds/dsdt.asl
+++ b/src/mainboard/asrock/h81m-hds/dsdt.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <acpi/acpi.h>
 DefinitionBlock(
diff --git a/src/mainboard/asrock/h81m-hds/gpio.c b/src/mainboard/asrock/h81m-hds/gpio.c
index 6610ab1dfa..85277661ef 100644
--- a/src/mainboard/asrock/h81m-hds/gpio.c
+++ b/src/mainboard/asrock/h81m-hds/gpio.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <southbridge/intel/common/gpio.h>
 
diff --git a/src/mainboard/asrock/h81m-hds/hda_verb.c b/src/mainboard/asrock/h81m-hds/hda_verb.c
index a07ca8c5dc..8ac0e7e651 100644
--- a/src/mainboard/asrock/h81m-hds/hda_verb.c
+++ b/src/mainboard/asrock/h81m-hds/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <stdint.h>
 #include <device/azalia_device.h>
diff --git a/src/mainboard/asrock/h81m-hds/mainboard.c b/src/mainboard/asrock/h81m-hds/mainboard.c
index 01b70e0fad..fe670efe47 100644
--- a/src/mainboard/asrock/h81m-hds/mainboard.c
+++ b/src/mainboard/asrock/h81m-hds/mainboard.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/device.h>
 #include <drivers/intel/gma/int15.h>
diff --git a/src/mainboard/asus/h61m-cs/acpi/platform.asl b/src/mainboard/asus/h61m-cs/acpi/platform.asl
index 89f8f7362a..17460c7082 100644
--- a/src/mainboard/asus/h61m-cs/acpi/platform.asl
+++ b/src/mainboard/asus/h61m-cs/acpi/platform.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 Method(_WAK,1)
 {
diff --git a/src/mainboard/asus/h61m-cs/dsdt.asl b/src/mainboard/asus/h61m-cs/dsdt.asl
index b8e4df30f3..cabf179029 100644
--- a/src/mainboard/asus/h61m-cs/dsdt.asl
+++ b/src/mainboard/asus/h61m-cs/dsdt.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <acpi/acpi.h>
 DefinitionBlock(
diff --git a/src/mainboard/asus/maximus_iv_gene-z/acpi/platform.asl b/src/mainboard/asus/maximus_iv_gene-z/acpi/platform.asl
index 81591d6ece..2238209f21 100644
--- a/src/mainboard/asus/maximus_iv_gene-z/acpi/platform.asl
+++ b/src/mainboard/asus/maximus_iv_gene-z/acpi/platform.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 Method(_WAK, 1)
 {
diff --git a/src/mainboard/asus/maximus_iv_gene-z/acpi/superio.asl b/src/mainboard/asus/maximus_iv_gene-z/acpi/superio.asl
index a6fe5a788c..490e449e89 100644
--- a/src/mainboard/asus/maximus_iv_gene-z/acpi/superio.asl
+++ b/src/mainboard/asus/maximus_iv_gene-z/acpi/superio.asl
@@ -1,15 +1,4 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <drivers/pc80/pc/ps2_controller.asl>
diff --git a/src/mainboard/asus/maximus_iv_gene-z/acpi_tables.c b/src/mainboard/asus/maximus_iv_gene-z/acpi_tables.c
index f97249d9e4..66cd5fcdd4 100644
--- a/src/mainboard/asus/maximus_iv_gene-z/acpi_tables.c
+++ b/src/mainboard/asus/maximus_iv_gene-z/acpi_tables.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <southbridge/intel/bd82x6x/nvs.h>
 
diff --git a/src/mainboard/asus/maximus_iv_gene-z/dsdt.asl b/src/mainboard/asus/maximus_iv_gene-z/dsdt.asl
index eec65b8bf5..9e787cedb8 100644
--- a/src/mainboard/asus/maximus_iv_gene-z/dsdt.asl
+++ b/src/mainboard/asus/maximus_iv_gene-z/dsdt.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <acpi/acpi.h>
 DefinitionBlock(
diff --git a/src/mainboard/asus/maximus_iv_gene-z/early_init.c b/src/mainboard/asus/maximus_iv_gene-z/early_init.c
index aae5ee60e3..e71f2336f4 100644
--- a/src/mainboard/asus/maximus_iv_gene-z/early_init.c
+++ b/src/mainboard/asus/maximus_iv_gene-z/early_init.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <bootblock_common.h>
 #include <device/pnp_ops.h>
diff --git a/src/mainboard/asus/maximus_iv_gene-z/gpio.c b/src/mainboard/asus/maximus_iv_gene-z/gpio.c
index 4b8462ddad..ad567baf47 100644
--- a/src/mainboard/asus/maximus_iv_gene-z/gpio.c
+++ b/src/mainboard/asus/maximus_iv_gene-z/gpio.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <southbridge/intel/common/gpio.h>
 
diff --git a/src/mainboard/asus/maximus_iv_gene-z/hda_verb.c b/src/mainboard/asus/maximus_iv_gene-z/hda_verb.c
index 0fd8d7862d..c41035acc9 100644
--- a/src/mainboard/asus/maximus_iv_gene-z/hda_verb.c
+++ b/src/mainboard/asus/maximus_iv_gene-z/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <stdint.h>
 #include <device/azalia_device.h>
diff --git a/src/mainboard/asus/maximus_iv_gene-z/mainboard.c b/src/mainboard/asus/maximus_iv_gene-z/mainboard.c
index 01b70e0fad..fe670efe47 100644
--- a/src/mainboard/asus/maximus_iv_gene-z/mainboard.c
+++ b/src/mainboard/asus/maximus_iv_gene-z/mainboard.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/device.h>
 #include <drivers/intel/gma/int15.h>
diff --git a/src/mainboard/asus/p2b/variants/p2b-d/irq_tables.c b/src/mainboard/asus/p2b/variants/p2b-d/irq_tables.c
index 8822035ce2..29442c845a 100644
--- a/src/mainboard/asus/p2b/variants/p2b-d/irq_tables.c
+++ b/src/mainboard/asus/p2b/variants/p2b-d/irq_tables.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <arch/pirq_routing.h>
 
diff --git a/src/mainboard/asus/p2b/variants/p2b-d/mptable.c b/src/mainboard/asus/p2b/variants/p2b-d/mptable.c
index 2c7ac6023e..463ca6cc00 100644
--- a/src/mainboard/asus/p2b/variants/p2b-d/mptable.c
+++ b/src/mainboard/asus/p2b/variants/p2b-d/mptable.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <arch/smp/mpspec.h>
 #include <arch/ioapic.h>
diff --git a/src/mainboard/asus/p2b/variants/p2b-ds/irq_tables.c b/src/mainboard/asus/p2b/variants/p2b-ds/irq_tables.c
index 84cd1373a0..7d2c567ae1 100644
--- a/src/mainboard/asus/p2b/variants/p2b-ds/irq_tables.c
+++ b/src/mainboard/asus/p2b/variants/p2b-ds/irq_tables.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <arch/pirq_routing.h>
 
diff --git a/src/mainboard/asus/p2b/variants/p2b-ds/mptable.c b/src/mainboard/asus/p2b/variants/p2b-ds/mptable.c
index 0c09233e87..bd1891defa 100644
--- a/src/mainboard/asus/p2b/variants/p2b-ds/mptable.c
+++ b/src/mainboard/asus/p2b/variants/p2b-ds/mptable.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <arch/smp/mpspec.h>
 #include <arch/ioapic.h>
diff --git a/src/mainboard/asus/p2b/variants/p2b-f/irq_tables.c b/src/mainboard/asus/p2b/variants/p2b-f/irq_tables.c
index eab90868f5..4bd2c982cd 100644
--- a/src/mainboard/asus/p2b/variants/p2b-f/irq_tables.c
+++ b/src/mainboard/asus/p2b/variants/p2b-f/irq_tables.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <arch/pirq_routing.h>
 
diff --git a/src/mainboard/asus/p2b/variants/p2b-ls/irq_tables.c b/src/mainboard/asus/p2b/variants/p2b-ls/irq_tables.c
index d4b9272d68..04b6ed2a6d 100644
--- a/src/mainboard/asus/p2b/variants/p2b-ls/irq_tables.c
+++ b/src/mainboard/asus/p2b/variants/p2b-ls/irq_tables.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <arch/pirq_routing.h>
 
diff --git a/src/mainboard/asus/p2b/variants/p2b/irq_tables.c b/src/mainboard/asus/p2b/variants/p2b/irq_tables.c
index d0360d9c90..578ee093e1 100644
--- a/src/mainboard/asus/p2b/variants/p2b/irq_tables.c
+++ b/src/mainboard/asus/p2b/variants/p2b/irq_tables.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <arch/pirq_routing.h>
 
diff --git a/src/mainboard/asus/p3b-f/irq_tables.c b/src/mainboard/asus/p3b-f/irq_tables.c
index 5c10ec4be8..c0c5aa25da 100644
--- a/src/mainboard/asus/p3b-f/irq_tables.c
+++ b/src/mainboard/asus/p3b-f/irq_tables.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <arch/pirq_routing.h>
 
diff --git a/src/mainboard/asus/p3b-f/romstage.c b/src/mainboard/asus/p3b-f/romstage.c
index 56f5253905..475da286d0 100644
--- a/src/mainboard/asus/p3b-f/romstage.c
+++ b/src/mainboard/asus/p3b-f/romstage.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <arch/io.h>
 #include <southbridge/intel/i82371eb/i82371eb.h>
diff --git a/src/mainboard/asus/p5qc/early_init.c b/src/mainboard/asus/p5qc/early_init.c
index 5b0539d4a2..bab5b1c16a 100644
--- a/src/mainboard/asus/p5qc/early_init.c
+++ b/src/mainboard/asus/p5qc/early_init.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <bootblock_common.h>
 #include <southbridge/intel/i82801jx/i82801jx.h>
diff --git a/src/mainboard/asus/p5qc/hda_verb.c b/src/mainboard/asus/p5qc/hda_verb.c
index b7607499b0..cec9bd5eb2 100644
--- a/src/mainboard/asus/p5qc/hda_verb.c
+++ b/src/mainboard/asus/p5qc/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/azalia_device.h>
 
diff --git a/src/mainboard/asus/p5ql-em/early_init.c b/src/mainboard/asus/p5ql-em/early_init.c
index 4585a98456..99a0f6ecc1 100644
--- a/src/mainboard/asus/p5ql-em/early_init.c
+++ b/src/mainboard/asus/p5ql-em/early_init.c
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <bootblock_common.h>
 #include <device/pnp_ops.h>
diff --git a/src/mainboard/asus/p5ql-em/hda_verb.c b/src/mainboard/asus/p5ql-em/hda_verb.c
index 8dbf431f13..5178d3fd1c 100644
--- a/src/mainboard/asus/p5ql-em/hda_verb.c
+++ b/src/mainboard/asus/p5ql-em/hda_verb.c
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/azalia_device.h>
 
diff --git a/src/mainboard/asus/p5qpl-am/early_init.c b/src/mainboard/asus/p5qpl-am/early_init.c
index 5556536e6b..66efd527e4 100644
--- a/src/mainboard/asus/p5qpl-am/early_init.c
+++ b/src/mainboard/asus/p5qpl-am/early_init.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <bootblock_common.h>
 #include <cf9_reset.h>
diff --git a/src/mainboard/asus/p5qpl-am/hda_verb.c b/src/mainboard/asus/p5qpl-am/hda_verb.c
index cca113c8a9..126c5560b5 100644
--- a/src/mainboard/asus/p5qpl-am/hda_verb.c
+++ b/src/mainboard/asus/p5qpl-am/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/azalia_device.h>
 
diff --git a/src/mainboard/asus/p8h61-m_lx/acpi/platform.asl b/src/mainboard/asus/p8h61-m_lx/acpi/platform.asl
index 81591d6ece..2238209f21 100644
--- a/src/mainboard/asus/p8h61-m_lx/acpi/platform.asl
+++ b/src/mainboard/asus/p8h61-m_lx/acpi/platform.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 Method(_WAK, 1)
 {
diff --git a/src/mainboard/asus/p8h61-m_lx/acpi/superio.asl b/src/mainboard/asus/p8h61-m_lx/acpi/superio.asl
index 43ab19a9e1..8cb29eacad 100644
--- a/src/mainboard/asus/p8h61-m_lx/acpi/superio.asl
+++ b/src/mainboard/asus/p8h61-m_lx/acpi/superio.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #define SUPERIO_DEV		SIO0
 #define SUPERIO_PNP_BASE	0x2e
diff --git a/src/mainboard/asus/p8h61-m_lx/acpi_tables.c b/src/mainboard/asus/p8h61-m_lx/acpi_tables.c
index f97249d9e4..66cd5fcdd4 100644
--- a/src/mainboard/asus/p8h61-m_lx/acpi_tables.c
+++ b/src/mainboard/asus/p8h61-m_lx/acpi_tables.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <southbridge/intel/bd82x6x/nvs.h>
 
diff --git a/src/mainboard/asus/p8h61-m_lx/dsdt.asl b/src/mainboard/asus/p8h61-m_lx/dsdt.asl
index eec65b8bf5..9e787cedb8 100644
--- a/src/mainboard/asus/p8h61-m_lx/dsdt.asl
+++ b/src/mainboard/asus/p8h61-m_lx/dsdt.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <acpi/acpi.h>
 DefinitionBlock(
diff --git a/src/mainboard/asus/p8h61-m_lx/early_init.c b/src/mainboard/asus/p8h61-m_lx/early_init.c
index 4021781d10..970b8e96aa 100644
--- a/src/mainboard/asus/p8h61-m_lx/early_init.c
+++ b/src/mainboard/asus/p8h61-m_lx/early_init.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <bootblock_common.h>
 #include <device/dram/ddr3.h>
diff --git a/src/mainboard/asus/p8h61-m_lx/gpio.c b/src/mainboard/asus/p8h61-m_lx/gpio.c
index e02359f1d2..6bcab020b6 100644
--- a/src/mainboard/asus/p8h61-m_lx/gpio.c
+++ b/src/mainboard/asus/p8h61-m_lx/gpio.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <southbridge/intel/common/gpio.h>
 
diff --git a/src/mainboard/asus/p8h61-m_lx/hda_verb.c b/src/mainboard/asus/p8h61-m_lx/hda_verb.c
index 417ae1b720..d99291e427 100644
--- a/src/mainboard/asus/p8h61-m_lx/hda_verb.c
+++ b/src/mainboard/asus/p8h61-m_lx/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <stdint.h>
 #include <device/azalia_device.h>
diff --git a/src/mainboard/asus/p8h61-m_lx/mainboard.c b/src/mainboard/asus/p8h61-m_lx/mainboard.c
index 01b70e0fad..fe670efe47 100644
--- a/src/mainboard/asus/p8h61-m_lx/mainboard.c
+++ b/src/mainboard/asus/p8h61-m_lx/mainboard.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/device.h>
 #include <drivers/intel/gma/int15.h>
diff --git a/src/mainboard/asus/p8h61-m_pro/acpi/superio.asl b/src/mainboard/asus/p8h61-m_pro/acpi/superio.asl
index a6fe5a788c..490e449e89 100644
--- a/src/mainboard/asus/p8h61-m_pro/acpi/superio.asl
+++ b/src/mainboard/asus/p8h61-m_pro/acpi/superio.asl
@@ -1,15 +1,4 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <drivers/pc80/pc/ps2_controller.asl>
diff --git a/src/mainboard/asus/p8z77-m_pro/acpi/platform.asl b/src/mainboard/asus/p8z77-m_pro/acpi/platform.asl
index 89f8f7362a..17460c7082 100644
--- a/src/mainboard/asus/p8z77-m_pro/acpi/platform.asl
+++ b/src/mainboard/asus/p8z77-m_pro/acpi/platform.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 Method(_WAK,1)
 {
diff --git a/src/mainboard/asus/p8z77-m_pro/acpi/superio.asl b/src/mainboard/asus/p8z77-m_pro/acpi/superio.asl
index a6fe5a788c..490e449e89 100644
--- a/src/mainboard/asus/p8z77-m_pro/acpi/superio.asl
+++ b/src/mainboard/asus/p8z77-m_pro/acpi/superio.asl
@@ -1,15 +1,4 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <drivers/pc80/pc/ps2_controller.asl>
diff --git a/src/mainboard/asus/p8z77-m_pro/acpi_tables.c b/src/mainboard/asus/p8z77-m_pro/acpi_tables.c
index 3f69f12f9a..65b59e8fda 100644
--- a/src/mainboard/asus/p8z77-m_pro/acpi_tables.c
+++ b/src/mainboard/asus/p8z77-m_pro/acpi_tables.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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 <southbridge/intel/bd82x6x/nvs.h>
 
diff --git a/src/mainboard/biostar/am1ml/irq_tables.c b/src/mainboard/biostar/am1ml/irq_tables.c
index b4f09f971a..29c79a98c8 100644
--- a/src/mainboard/biostar/am1ml/irq_tables.c
+++ b/src/mainboard/biostar/am1ml/irq_tables.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 
 #include <arch/pirq_routing.h>
diff --git a/src/mainboard/emulation/qemu-armv7/mainboard.c b/src/mainboard/emulation/qemu-armv7/mainboard.c
index b7d339725b..f591410f41 100644
--- a/src/mainboard/emulation/qemu-armv7/mainboard.c
+++ b/src/mainboard/emulation/qemu-armv7/mainboard.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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-only */
 
 #include <console/console.h>
 #include <device/device.h>
diff --git a/src/mainboard/emulation/qemu-i440fx/fw_cfg_if.h b/src/mainboard/emulation/qemu-i440fx/fw_cfg_if.h
index d089898f5d..d4aae59943 100644
--- a/src/mainboard/emulation/qemu-i440fx/fw_cfg_if.h
+++ b/src/mainboard/emulation/qemu-i440fx/fw_cfg_if.h
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot 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; 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 */
 
 /*
  * These are the qemu firmware config interface defines and structs.
diff --git a/src/mainboard/foxconn/d41s/early_init.c b/src/mainboard/foxconn/d41s/early_init.c
index c31860db80..ba0b7ee994 100644
--- a/src/mainboard/foxconn/d41s/early_init.c
+++ b/src/mainboard/foxconn/d41s/early_init.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <bootblock_common.h>
 #include <southbridge/intel/i82801gx/i82801gx.h>
diff --git a/src/mainboard/foxconn/g41s-k/early_init.c b/src/mainboard/foxconn/g41s-k/early_init.c
index 731f622dc7..3b412322b7 100644
--- a/src/mainboard/foxconn/g41s-k/early_init.c
+++ b/src/mainboard/foxconn/g41s-k/early_init.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <bootblock_common.h>
 #include <northbridge/intel/x4x/x4x.h>
diff --git a/src/mainboard/foxconn/g41s-k/hda_verb.c b/src/mainboard/foxconn/g41s-k/hda_verb.c
index 98bce49e6b..08cff2ff3c 100644
--- a/src/mainboard/foxconn/g41s-k/hda_verb.c
+++ b/src/mainboard/foxconn/g41s-k/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/azalia_device.h>
 
diff --git a/src/mainboard/foxconn/g41s-k/variants/g41m/acpi/ich7_pci_irqs.asl b/src/mainboard/foxconn/g41s-k/variants/g41m/acpi/ich7_pci_irqs.asl
index ac6fcbe3f6..9410dd737c 100644
--- a/src/mainboard/foxconn/g41s-k/variants/g41m/acpi/ich7_pci_irqs.asl
+++ b/src/mainboard/foxconn/g41s-k/variants/g41m/acpi/ich7_pci_irqs.asl
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot 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; version 2 of the License.
-m *
- * 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 */
 
 /*
  * This is board specific information:
diff --git a/src/mainboard/gigabyte/ga-g41m-es2l/early_init.c b/src/mainboard/gigabyte/ga-g41m-es2l/early_init.c
index 476a1aa7a4..f343bb7bca 100644
--- a/src/mainboard/gigabyte/ga-g41m-es2l/early_init.c
+++ b/src/mainboard/gigabyte/ga-g41m-es2l/early_init.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <bootblock_common.h>
 #include <device/pci_ops.h>
diff --git a/src/mainboard/gigabyte/ga-g41m-es2l/hda_verb.c b/src/mainboard/gigabyte/ga-g41m-es2l/hda_verb.c
index bea28ed05a..86339d38fd 100644
--- a/src/mainboard/gigabyte/ga-g41m-es2l/hda_verb.c
+++ b/src/mainboard/gigabyte/ga-g41m-es2l/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/azalia_device.h>
 
diff --git a/src/mainboard/google/cheza/board.h b/src/mainboard/google/cheza/board.h
index 528096f59e..62d176e52f 100644
--- a/src/mainboard/google/cheza/board.h
+++ b/src/mainboard/google/cheza/board.h
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot project. */
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 */
 
 #ifndef __COREBOOT_SRC_MAINBOARD_GOOGLE_CHEZA_BOARD_H
 #define __COREBOOT_SRC_MAINBOARD_GOOGLE_CHEZA_BOARD_H
diff --git a/src/mainboard/google/cheza/bootblock.c b/src/mainboard/google/cheza/bootblock.c
index b6f99126c1..f056fc4877 100644
--- a/src/mainboard/google/cheza/bootblock.c
+++ b/src/mainboard/google/cheza/bootblock.c
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot project. */
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <bootblock_common.h>
 #include "board.h"
diff --git a/src/mainboard/google/cheza/chromeos.c b/src/mainboard/google/cheza/chromeos.c
index 227370cbdd..12ee07f04c 100644
--- a/src/mainboard/google/cheza/chromeos.c
+++ b/src/mainboard/google/cheza/chromeos.c
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot project. */
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <boot/coreboot_tables.h>
 #include <bootmode.h>
diff --git a/src/mainboard/google/cheza/mainboard.c b/src/mainboard/google/cheza/mainboard.c
index 1e3803443e..601cff1597 100644
--- a/src/mainboard/google/cheza/mainboard.c
+++ b/src/mainboard/google/cheza/mainboard.c
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot project. */
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <device/device.h>
 #include <gpio.h>
diff --git a/src/mainboard/google/cheza/memlayout.ld b/src/mainboard/google/cheza/memlayout.ld
index 6bb1739fe6..24c698faff 100644
--- a/src/mainboard/google/cheza/memlayout.ld
+++ b/src/mainboard/google/cheza/memlayout.ld
@@ -1,14 +1,4 @@
 /* This file is part of the coreboot project. */
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <soc/memlayout.ld>
diff --git a/src/mainboard/google/cheza/romstage.c b/src/mainboard/google/cheza/romstage.c
index bcb65d5d08..0ca987c285 100644
--- a/src/mainboard/google/cheza/romstage.c
+++ b/src/mainboard/google/cheza/romstage.c
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot project. */
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <arch/stages.h>
 #include <soc/usb.h>
diff --git a/src/mainboard/google/gale/bootblock.c b/src/mainboard/google/gale/bootblock.c
index d919839401..343fe65784 100644
--- a/src/mainboard/google/gale/bootblock.c
+++ b/src/mainboard/google/gale/bootblock.c
@@ -1,14 +1,4 @@
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <bootblock_common.h>
 #include <console/console.h>
diff --git a/src/mainboard/google/gale/mmu.c b/src/mainboard/google/gale/mmu.c
index 94c5fa6e86..3b9917c9a9 100644
--- a/src/mainboard/google/gale/mmu.c
+++ b/src/mainboard/google/gale/mmu.c
@@ -1,14 +1,4 @@
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <arch/cache.h>
 #include <symbols.h>
diff --git a/src/mainboard/google/gale/mmu.h b/src/mainboard/google/gale/mmu.h
index a07e4bc784..8f6b547f19 100644
--- a/src/mainboard/google/gale/mmu.h
+++ b/src/mainboard/google/gale/mmu.h
@@ -1,14 +1,4 @@
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <types.h>
 
diff --git a/src/mainboard/google/mistral/bootblock.c b/src/mainboard/google/mistral/bootblock.c
index bbf5d68a99..302ef4f6a8 100644
--- a/src/mainboard/google/mistral/bootblock.c
+++ b/src/mainboard/google/mistral/bootblock.c
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot project. */
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <bootblock_common.h>
 
diff --git a/src/mainboard/google/mistral/chromeos.c b/src/mainboard/google/mistral/chromeos.c
index 34354ae05f..ce0d0c3fb8 100644
--- a/src/mainboard/google/mistral/chromeos.c
+++ b/src/mainboard/google/mistral/chromeos.c
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot project. */
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <boot/coreboot_tables.h>
 
diff --git a/src/mainboard/google/mistral/mainboard.c b/src/mainboard/google/mistral/mainboard.c
index 63095dede3..f85353086a 100644
--- a/src/mainboard/google/mistral/mainboard.c
+++ b/src/mainboard/google/mistral/mainboard.c
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot project. */
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <device/device.h>
 #include <vendorcode/google/chromeos/chromeos.h>
diff --git a/src/mainboard/google/mistral/memlayout.ld b/src/mainboard/google/mistral/memlayout.ld
index 6cd2717891..e2e5f15929 100644
--- a/src/mainboard/google/mistral/memlayout.ld
+++ b/src/mainboard/google/mistral/memlayout.ld
@@ -1,14 +1,4 @@
 /* This file is part of the coreboot project. */
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <soc/memlayout.ld>
diff --git a/src/mainboard/google/mistral/romstage.c b/src/mainboard/google/mistral/romstage.c
index 1dc7c6c14c..1da791b483 100644
--- a/src/mainboard/google/mistral/romstage.c
+++ b/src/mainboard/google/mistral/romstage.c
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot project. */
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <arch/stages.h>
 #include <soc/usb.h>
diff --git a/src/mainboard/google/storm/bootblock.c b/src/mainboard/google/storm/bootblock.c
index 186673c4af..e7ff6a3ee3 100644
--- a/src/mainboard/google/storm/bootblock.c
+++ b/src/mainboard/google/storm/bootblock.c
@@ -1,14 +1,4 @@
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <bootblock_common.h>
 #include <console/console.h>
diff --git a/src/mainboard/google/storm/mmu.c b/src/mainboard/google/storm/mmu.c
index 8d0a166cd3..37b4654b1b 100644
--- a/src/mainboard/google/storm/mmu.c
+++ b/src/mainboard/google/storm/mmu.c
@@ -1,14 +1,4 @@
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <arch/cache.h>
 #include <soc/soc_services.h>
diff --git a/src/mainboard/google/storm/mmu.h b/src/mainboard/google/storm/mmu.h
index 1bf7e4f5fa..49f3b48e48 100644
--- a/src/mainboard/google/storm/mmu.h
+++ b/src/mainboard/google/storm/mmu.h
@@ -1,14 +1,4 @@
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <types.h>
 
diff --git a/src/mainboard/google/trogdor/board.h b/src/mainboard/google/trogdor/board.h
index aef11d603a..8d03551c4a 100644
--- a/src/mainboard/google/trogdor/board.h
+++ b/src/mainboard/google/trogdor/board.h
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot project. */
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 */
 
 #ifndef _COREBOOT_SRC_MAINBOARD_GOOGLE_TROGDOR_BOARD_H_
 #define _COREBOOT_SRC_MAINBOARD_GOOGLE_TROGDOR_BOARD_H_
diff --git a/src/mainboard/google/trogdor/bootblock.c b/src/mainboard/google/trogdor/bootblock.c
index b6f99126c1..f056fc4877 100644
--- a/src/mainboard/google/trogdor/bootblock.c
+++ b/src/mainboard/google/trogdor/bootblock.c
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot project. */
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <bootblock_common.h>
 #include "board.h"
diff --git a/src/mainboard/google/trogdor/chromeos.c b/src/mainboard/google/trogdor/chromeos.c
index 227370cbdd..12ee07f04c 100644
--- a/src/mainboard/google/trogdor/chromeos.c
+++ b/src/mainboard/google/trogdor/chromeos.c
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot project. */
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <boot/coreboot_tables.h>
 #include <bootmode.h>
diff --git a/src/mainboard/google/trogdor/mainboard.c b/src/mainboard/google/trogdor/mainboard.c
index 61fb19093e..9da62bba84 100644
--- a/src/mainboard/google/trogdor/mainboard.c
+++ b/src/mainboard/google/trogdor/mainboard.c
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot project. */
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <device/device.h>
 #include <device/mmio.h>
diff --git a/src/mainboard/google/trogdor/memlayout.ld b/src/mainboard/google/trogdor/memlayout.ld
index 6cd2717891..e2e5f15929 100644
--- a/src/mainboard/google/trogdor/memlayout.ld
+++ b/src/mainboard/google/trogdor/memlayout.ld
@@ -1,14 +1,4 @@
 /* This file is part of the coreboot project. */
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <soc/memlayout.ld>
diff --git a/src/mainboard/google/trogdor/romstage.c b/src/mainboard/google/trogdor/romstage.c
index 226546ad68..cf3e08a031 100644
--- a/src/mainboard/google/trogdor/romstage.c
+++ b/src/mainboard/google/trogdor/romstage.c
@@ -1,15 +1,5 @@
 /* This file is part of the coreboot project. */
-/*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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 <arch/stages.h>
 #include <soc/usb.h>
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/acpi/ec.asl b/src/mainboard/hp/pavilion_m6_1035dx/acpi/ec.asl
index 3dc2ef2cdd..0c112614a2 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/acpi/ec.asl
+++ b/src/mainboard/hp/pavilion_m6_1035dx/acpi/ec.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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 */
 
 /* Defines EC bits specific to the mainboard, needed by EC ASL */
 #include "mainboard.h"
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/ec.c b/src/mainboard/hp/pavilion_m6_1035dx/ec.c
index 3dd7f9aad3..50f5dd384a 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/ec.c
+++ b/src/mainboard/hp/pavilion_m6_1035dx/ec.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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 */
 
 #include "ec.h"
 #include <ec/compal/ene932/ec.h>
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/ec.h b/src/mainboard/hp/pavilion_m6_1035dx/ec.h
index aab96f4cd1..b8920be1c4 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/ec.h
+++ b/src/mainboard/hp/pavilion_m6_1035dx/ec.h
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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 */
 
 #ifndef _MAINBOARD_HP_PAVILION_M6_1035DX_EC_H
 #define _MAINBOARD_HP_PAVILION_M6_1035DX_EC_H
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/mainboard.h b/src/mainboard/hp/pavilion_m6_1035dx/mainboard.h
index 6ff3c1e225..07074e6380 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/mainboard.h
+++ b/src/mainboard/hp/pavilion_m6_1035dx/mainboard.h
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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 */
 
 /*
  * "The way things are connected" and a few setup options
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/mainboard_smi.c b/src/mainboard/hp/pavilion_m6_1035dx/mainboard_smi.c
index 0e23b1db70..5a79d36867 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/mainboard_smi.c
+++ b/src/mainboard/hp/pavilion_m6_1035dx/mainboard_smi.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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 */
 
 /*
  * SMI handler -- mostly takes care of SMIs from the EC
diff --git a/src/mainboard/intel/apollolake_rvp/dsdt.asl b/src/mainboard/intel/apollolake_rvp/dsdt.asl
index 648e9f9e05..e63de17d65 100644
--- a/src/mainboard/intel/apollolake_rvp/dsdt.asl
+++ b/src/mainboard/intel/apollolake_rvp/dsdt.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <acpi/acpi.h>
 DefinitionBlock(
diff --git a/src/mainboard/intel/apollolake_rvp/romstage.c b/src/mainboard/intel/apollolake_rvp/romstage.c
index 7d625c15de..328087440b 100644
--- a/src/mainboard/intel/apollolake_rvp/romstage.c
+++ b/src/mainboard/intel/apollolake_rvp/romstage.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <soc/romstage.h>
 #include <string.h>
diff --git a/src/mainboard/intel/d510mo/early_init.c b/src/mainboard/intel/d510mo/early_init.c
index 29f00b35de..2f07a7033e 100644
--- a/src/mainboard/intel/d510mo/early_init.c
+++ b/src/mainboard/intel/d510mo/early_init.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <bootblock_common.h>
 #include <device/pci_ops.h>
diff --git a/src/mainboard/intel/dg41wv/early_init.c b/src/mainboard/intel/dg41wv/early_init.c
index 035ad9b435..342adf4aac 100644
--- a/src/mainboard/intel/dg41wv/early_init.c
+++ b/src/mainboard/intel/dg41wv/early_init.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <bootblock_common.h>
 #include <device/pnp_ops.h>
diff --git a/src/mainboard/intel/dg41wv/hda_verb.c b/src/mainboard/intel/dg41wv/hda_verb.c
index 4e1418c0a6..de192a393a 100644
--- a/src/mainboard/intel/dg41wv/hda_verb.c
+++ b/src/mainboard/intel/dg41wv/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/azalia_device.h>
 
diff --git a/src/mainboard/intel/dg43gt/early_init.c b/src/mainboard/intel/dg43gt/early_init.c
index fbec787342..cb93ed8af1 100644
--- a/src/mainboard/intel/dg43gt/early_init.c
+++ b/src/mainboard/intel/dg43gt/early_init.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <bootblock_common.h>
 #include <southbridge/intel/i82801jx/i82801jx.h>
diff --git a/src/mainboard/intel/dg43gt/hda_verb.c b/src/mainboard/intel/dg43gt/hda_verb.c
index a7bd2799ba..ba95df7b15 100644
--- a/src/mainboard/intel/dg43gt/hda_verb.c
+++ b/src/mainboard/intel/dg43gt/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/azalia_device.h>
 
diff --git a/src/mainboard/intel/galileo/vboot.c b/src/mainboard/intel/galileo/vboot.c
index b0f8ae207b..4a7f424cd2 100644
--- a/src/mainboard/intel/galileo/vboot.c
+++ b/src/mainboard/intel/galileo/vboot.c
@@ -1,14 +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 */
 
 #include <bootmode.h>
 #include <device/i2c_simple.h>
diff --git a/src/mainboard/intel/harcuvar/romstage.c b/src/mainboard/intel/harcuvar/romstage.c
index 4331805749..f01e2c8268 100644
--- a/src/mainboard/intel/harcuvar/romstage.c
+++ b/src/mainboard/intel/harcuvar/romstage.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include "harcuvar_boardid.h"
 #include "gpio.h"
diff --git a/src/mainboard/lenovo/g505s/acpi/ec.asl b/src/mainboard/lenovo/g505s/acpi/ec.asl
index 3dc2ef2cdd..0c112614a2 100644
--- a/src/mainboard/lenovo/g505s/acpi/ec.asl
+++ b/src/mainboard/lenovo/g505s/acpi/ec.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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 */
 
 /* Defines EC bits specific to the mainboard, needed by EC ASL */
 #include "mainboard.h"
diff --git a/src/mainboard/lenovo/g505s/acpi/superio.asl b/src/mainboard/lenovo/g505s/acpi/superio.asl
index 85a0894fdd..264c0932d8 100644
--- a/src/mainboard/lenovo/g505s/acpi/superio.asl
+++ b/src/mainboard/lenovo/g505s/acpi/superio.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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 */
 
 /* Defines EC bits specific to the mainboard, needed by EC ASL */
 #include "mainboard.h"
diff --git a/src/mainboard/lenovo/g505s/ec.c b/src/mainboard/lenovo/g505s/ec.c
index 9ddccb839d..2a723901d9 100644
--- a/src/mainboard/lenovo/g505s/ec.c
+++ b/src/mainboard/lenovo/g505s/ec.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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 */
 
 #include "ec.h"
 #include <ec/compal/ene932/ec.h>
diff --git a/src/mainboard/lenovo/g505s/ec.h b/src/mainboard/lenovo/g505s/ec.h
index f615fccf69..dadb971fd2 100644
--- a/src/mainboard/lenovo/g505s/ec.h
+++ b/src/mainboard/lenovo/g505s/ec.h
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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 */
 
 #ifndef _MAINBOARD_LENOVO_G505S_EC_H
 #define _MAINBOARD_LENOVO_G505S_EC_H
diff --git a/src/mainboard/lenovo/g505s/mainboard.h b/src/mainboard/lenovo/g505s/mainboard.h
index 02ddb279c6..6646b6219b 100644
--- a/src/mainboard/lenovo/g505s/mainboard.h
+++ b/src/mainboard/lenovo/g505s/mainboard.h
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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 */
 
 /*
  * "The way things are connected" and a few setup options
diff --git a/src/mainboard/lenovo/g505s/mainboard_smi.c b/src/mainboard/lenovo/g505s/mainboard_smi.c
index 0e23b1db70..5a79d36867 100644
--- a/src/mainboard/lenovo/g505s/mainboard_smi.c
+++ b/src/mainboard/lenovo/g505s/mainboard_smi.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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 */
 
 /*
  * SMI handler -- mostly takes care of SMIs from the EC
diff --git a/src/mainboard/lenovo/s230u/ec.h b/src/mainboard/lenovo/s230u/ec.h
index 836b2d8234..dfb7e8f39e 100644
--- a/src/mainboard/lenovo/s230u/ec.h
+++ b/src/mainboard/lenovo/s230u/ec.h
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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 */
 
 #ifndef _MAINBOARD_LENOVO_S230U_EC_H
 #define _MAINBOARD_LENOVO_S230U_EC_H
diff --git a/src/mainboard/lenovo/t410/hda_verb.c b/src/mainboard/lenovo/t410/hda_verb.c
index 828a13ff41..d1d3654bf0 100644
--- a/src/mainboard/lenovo/t410/hda_verb.c
+++ b/src/mainboard/lenovo/t410/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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 */
 
 #include <device/azalia_device.h>
 
diff --git a/src/mainboard/lenovo/t440p/acpi/ec.asl b/src/mainboard/lenovo/t440p/acpi/ec.asl
index 3dbe6fe882..8b7af641af 100644
--- a/src/mainboard/lenovo/t440p/acpi/ec.asl
+++ b/src/mainboard/lenovo/t440p/acpi/ec.asl
@@ -1,15 +1,4 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <ec/lenovo/h8/acpi/ec.asl>
diff --git a/src/mainboard/lenovo/t440p/acpi/platform.asl b/src/mainboard/lenovo/t440p/acpi/platform.asl
index a2c2e002f9..79be356051 100644
--- a/src/mainboard/lenovo/t440p/acpi/platform.asl
+++ b/src/mainboard/lenovo/t440p/acpi/platform.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 Method(_WAK,1)
 {
diff --git a/src/mainboard/lenovo/t440p/acpi/superio.asl b/src/mainboard/lenovo/t440p/acpi/superio.asl
index a6fe5a788c..490e449e89 100644
--- a/src/mainboard/lenovo/t440p/acpi/superio.asl
+++ b/src/mainboard/lenovo/t440p/acpi/superio.asl
@@ -1,15 +1,4 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <drivers/pc80/pc/ps2_controller.asl>
diff --git a/src/mainboard/lenovo/t440p/dsdt.asl b/src/mainboard/lenovo/t440p/dsdt.asl
index 718cad1dab..c59c119e56 100644
--- a/src/mainboard/lenovo/t440p/dsdt.asl
+++ b/src/mainboard/lenovo/t440p/dsdt.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #define BRIGHTNESS_UP \_SB.PCI0.GFX0.INCB
 #define BRIGHTNESS_DOWN \_SB.PCI0.GFX0.DECB
diff --git a/src/mainboard/lenovo/t440p/mainboard.c b/src/mainboard/lenovo/t440p/mainboard.c
index 31552b8407..27d4abb527 100644
--- a/src/mainboard/lenovo/t440p/mainboard.c
+++ b/src/mainboard/lenovo/t440p/mainboard.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/device.h>
 #include <drivers/intel/gma/int15.h>
diff --git a/src/mainboard/lenovo/thinkcentre_a58/early_init.c b/src/mainboard/lenovo/thinkcentre_a58/early_init.c
index 70d70f7880..1ab26859a6 100644
--- a/src/mainboard/lenovo/thinkcentre_a58/early_init.c
+++ b/src/mainboard/lenovo/thinkcentre_a58/early_init.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <bootblock_common.h>
 #include <northbridge/intel/x4x/x4x.h>
diff --git a/src/mainboard/lenovo/thinkcentre_a58/hda_verb.c b/src/mainboard/lenovo/thinkcentre_a58/hda_verb.c
index 6074f5f350..357de1e192 100644
--- a/src/mainboard/lenovo/thinkcentre_a58/hda_verb.c
+++ b/src/mainboard/lenovo/thinkcentre_a58/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/azalia_device.h>
 
diff --git a/src/mainboard/lenovo/x201/hda_verb.c b/src/mainboard/lenovo/x201/hda_verb.c
index fa01ebf8e8..a8e9b3890b 100644
--- a/src/mainboard/lenovo/x201/hda_verb.c
+++ b/src/mainboard/lenovo/x201/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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 */
 
 #include <device/azalia_device.h>
 
diff --git a/src/mainboard/msi/ms7707/acpi/platform.asl b/src/mainboard/msi/ms7707/acpi/platform.asl
index 89f8f7362a..17460c7082 100644
--- a/src/mainboard/msi/ms7707/acpi/platform.asl
+++ b/src/mainboard/msi/ms7707/acpi/platform.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 Method(_WAK,1)
 {
diff --git a/src/mainboard/msi/ms7707/dsdt.asl b/src/mainboard/msi/ms7707/dsdt.asl
index 7432de8311..7a4e8c5eee 100644
--- a/src/mainboard/msi/ms7707/dsdt.asl
+++ b/src/mainboard/msi/ms7707/dsdt.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <acpi/acpi.h>
 DefinitionBlock(
diff --git a/src/mainboard/ocp/tiogapass/acpi/platform.asl b/src/mainboard/ocp/tiogapass/acpi/platform.asl
index 312ae70ff8..ec6772b322 100644
--- a/src/mainboard/ocp/tiogapass/acpi/platform.asl
+++ b/src/mainboard/ocp/tiogapass/acpi/platform.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 /* Enable ACPI _SWS methods */
 #include <soc/intel/common/acpi/acpi_wake_source.asl>
diff --git a/src/mainboard/ocp/tiogapass/dsdt.asl b/src/mainboard/ocp/tiogapass/dsdt.asl
index fe52ea1e9b..f2386acaca 100644
--- a/src/mainboard/ocp/tiogapass/dsdt.asl
+++ b/src/mainboard/ocp/tiogapass/dsdt.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 
 #include <acpi/acpi.h>
diff --git a/src/mainboard/ocp/tiogapass/fadt.c b/src/mainboard/ocp/tiogapass/fadt.c
index 1036b02008..a440e0df20 100644
--- a/src/mainboard/ocp/tiogapass/fadt.c
+++ b/src/mainboard/ocp/tiogapass/fadt.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <acpi/acpi.h>
 #include <soc/acpi.h>
diff --git a/src/mainboard/ocp/tiogapass/include/skxsp_tp_iio.h b/src/mainboard/ocp/tiogapass/include/skxsp_tp_iio.h
index b43260fc27..b81a8f8a15 100644
--- a/src/mainboard/ocp/tiogapass/include/skxsp_tp_iio.h
+++ b/src/mainboard/ocp/tiogapass/include/skxsp_tp_iio.h
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #ifndef _SKXSP_TP_IIO_H_
 #define _SKXSP_TP_IIO_H_
diff --git a/src/mainboard/ocp/tiogapass/ramstage.c b/src/mainboard/ocp/tiogapass/ramstage.c
index 27d2a17509..0a32b722e2 100644
--- a/src/mainboard/ocp/tiogapass/ramstage.c
+++ b/src/mainboard/ocp/tiogapass/ramstage.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 #include <soc/ramstage.h>
 #include <bootstate.h>
 #include <gpio.h>
diff --git a/src/mainboard/ocp/tiogapass/romstage.c b/src/mainboard/ocp/tiogapass/romstage.c
index 3af6a2e9ed..597475d1a3 100644
--- a/src/mainboard/ocp/tiogapass/romstage.c
+++ b/src/mainboard/ocp/tiogapass/romstage.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <fsp/api.h>
 #include <FspmUpd.h>
diff --git a/src/mainboard/packardbell/ms2290/hda_verb.c b/src/mainboard/packardbell/ms2290/hda_verb.c
index 8121f874cb..1697cded54 100644
--- a/src/mainboard/packardbell/ms2290/hda_verb.c
+++ b/src/mainboard/packardbell/ms2290/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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; 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 */
 
 #include <device/azalia_device.h>
 
diff --git a/src/mainboard/sapphire/pureplatinumh61/acpi_tables.c b/src/mainboard/sapphire/pureplatinumh61/acpi_tables.c
index 436930a83b..cdc3d9962a 100644
--- a/src/mainboard/sapphire/pureplatinumh61/acpi_tables.c
+++ b/src/mainboard/sapphire/pureplatinumh61/acpi_tables.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <southbridge/intel/bd82x6x/nvs.h>
 
diff --git a/src/mainboard/sapphire/pureplatinumh61/dsdt.asl b/src/mainboard/sapphire/pureplatinumh61/dsdt.asl
index 9e704c870f..0a05ca28a7 100644
--- a/src/mainboard/sapphire/pureplatinumh61/dsdt.asl
+++ b/src/mainboard/sapphire/pureplatinumh61/dsdt.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <acpi/acpi.h>
 DefinitionBlock(
diff --git a/src/mainboard/sapphire/pureplatinumh61/early_init.c b/src/mainboard/sapphire/pureplatinumh61/early_init.c
index 39ca7e781a..5f6e266c0c 100644
--- a/src/mainboard/sapphire/pureplatinumh61/early_init.c
+++ b/src/mainboard/sapphire/pureplatinumh61/early_init.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <stdint.h>
 #include <device/pci_ops.h>
diff --git a/src/mainboard/sapphire/pureplatinumh61/gpio.c b/src/mainboard/sapphire/pureplatinumh61/gpio.c
index c4d456d308..9841c38f04 100644
--- a/src/mainboard/sapphire/pureplatinumh61/gpio.c
+++ b/src/mainboard/sapphire/pureplatinumh61/gpio.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <southbridge/intel/common/gpio.h>
 
diff --git a/src/mainboard/sapphire/pureplatinumh61/hda_verb.c b/src/mainboard/sapphire/pureplatinumh61/hda_verb.c
index c0467950f6..2e851d96f0 100644
--- a/src/mainboard/sapphire/pureplatinumh61/hda_verb.c
+++ b/src/mainboard/sapphire/pureplatinumh61/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/azalia_device.h>
 
diff --git a/src/mainboard/sapphire/pureplatinumh61/mainboard.c b/src/mainboard/sapphire/pureplatinumh61/mainboard.c
index 290c55fb25..371c525b5b 100644
--- a/src/mainboard/sapphire/pureplatinumh61/mainboard.c
+++ b/src/mainboard/sapphire/pureplatinumh61/mainboard.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/device.h>
 #include <drivers/intel/gma/int15.h>
diff --git a/src/mainboard/scaleway/tagada/romstage.c b/src/mainboard/scaleway/tagada/romstage.c
index c02a7b9bb9..9fbbc3821e 100644
--- a/src/mainboard/scaleway/tagada/romstage.c
+++ b/src/mainboard/scaleway/tagada/romstage.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include "gpio.h"
 #include <console/console.h>
diff --git a/src/mainboard/supermicro/x10slm-f/acpi/platform.asl b/src/mainboard/supermicro/x10slm-f/acpi/platform.asl
index 81591d6ece..2238209f21 100644
--- a/src/mainboard/supermicro/x10slm-f/acpi/platform.asl
+++ b/src/mainboard/supermicro/x10slm-f/acpi/platform.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 Method(_WAK, 1)
 {
diff --git a/src/mainboard/supermicro/x10slm-f/acpi/superio.asl b/src/mainboard/supermicro/x10slm-f/acpi/superio.asl
index 0c9f46b78c..318b6bf73a 100644
--- a/src/mainboard/supermicro/x10slm-f/acpi/superio.asl
+++ b/src/mainboard/supermicro/x10slm-f/acpi/superio.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #define SUPERIO_DEV		SIO0
 #define SUPERIO_PNP_BASE	0x2e
diff --git a/src/mainboard/supermicro/x10slm-f/acpi_tables.c b/src/mainboard/supermicro/x10slm-f/acpi_tables.c
index 4c600616b4..b40bb95725 100644
--- a/src/mainboard/supermicro/x10slm-f/acpi_tables.c
+++ b/src/mainboard/supermicro/x10slm-f/acpi_tables.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <southbridge/intel/lynxpoint/nvs.h>
 
diff --git a/src/mainboard/supermicro/x10slm-f/bootblock.c b/src/mainboard/supermicro/x10slm-f/bootblock.c
index ff09a11726..8019ecb2b0 100644
--- a/src/mainboard/supermicro/x10slm-f/bootblock.c
+++ b/src/mainboard/supermicro/x10slm-f/bootblock.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <device/pnp_ops.h>
 #include <superio/nuvoton/common/nuvoton.h>
diff --git a/src/mainboard/supermicro/x10slm-f/dsdt.asl b/src/mainboard/supermicro/x10slm-f/dsdt.asl
index 96e6227ce7..f3a3bebffc 100644
--- a/src/mainboard/supermicro/x10slm-f/dsdt.asl
+++ b/src/mainboard/supermicro/x10slm-f/dsdt.asl
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <acpi/acpi.h>
 
diff --git a/src/mainboard/supermicro/x10slm-f/gpio.c b/src/mainboard/supermicro/x10slm-f/gpio.c
index 8758fab19f..deaad67f03 100644
--- a/src/mainboard/supermicro/x10slm-f/gpio.c
+++ b/src/mainboard/supermicro/x10slm-f/gpio.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <southbridge/intel/common/gpio.h>
 
diff --git a/src/mainboard/supermicro/x10slm-f/hda_verb.c b/src/mainboard/supermicro/x10slm-f/hda_verb.c
index 35c420ca68..72b34e3a59 100644
--- a/src/mainboard/supermicro/x10slm-f/hda_verb.c
+++ b/src/mainboard/supermicro/x10slm-f/hda_verb.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <stdint.h>
 #include <device/azalia_device.h>
diff --git a/src/mainboard/supermicro/x10slm-f/mainboard.c b/src/mainboard/supermicro/x10slm-f/mainboard.c
index 27d9ec7594..1380cd16cf 100644
--- a/src/mainboard/supermicro/x10slm-f/mainboard.c
+++ b/src/mainboard/supermicro/x10slm-f/mainboard.c
@@ -1,16 +1,5 @@
 /* This file is part of the coreboot 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <console/console.h>
 #include <device/device.h>
diff --git a/src/mainboard/ti/beaglebone/leds.c b/src/mainboard/ti/beaglebone/leds.c
index abad71867a..99ae6d934a 100644
--- a/src/mainboard/ti/beaglebone/leds.c
+++ b/src/mainboard/ti/beaglebone/leds.c
@@ -1,14 +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 */
 
 #include <assert.h>
 #include <cpu/ti/am335x/gpio.h>
diff --git a/src/mainboard/ti/beaglebone/leds.h b/src/mainboard/ti/beaglebone/leds.h
index 6a2d3ecb76..49404f66d6 100644
--- a/src/mainboard/ti/beaglebone/leds.h
+++ b/src/mainboard/ti/beaglebone/leds.h
@@ -1,14 +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 */
 
 #ifndef __MAINBOARD_TI_BEAGLEBONE_LEDS_H__
 #define __MAINBOARD_TI_BEAGLEBONE_LEDS_H__