mb/google/reef: Use SPDX for GPL-2.0-only files

Done with sed and God Lines. Only done for C-like code for now.

Change-Id: I57e6790e49032902703ba84b68f285749aab2573
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40192
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>

36 files changed, 72 insertions, 468 deletions

diff --git a/src/mainboard/google/reef/bootblock.c b/src/mainboard/google/reef/bootblock.c
index fe2513ba05..99d8202e43 100644
--- a/src/mainboard/google/reef/bootblock.c
+++ b/src/mainboard/google/reef/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; 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 */
+/* This file is part of the coreboot project. */
 
 #include <baseboard/variants.h>
 #include <bootblock_common.h>
diff --git a/src/mainboard/google/reef/chromeos.c b/src/mainboard/google/reef/chromeos.c
index c770b8cc6f..79c32e2bd7 100644
--- a/src/mainboard/google/reef/chromeos.c
+++ b/src/mainboard/google/reef/chromeos.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 */
+/* This file is part of the coreboot project. */
 
 #include <baseboard/variants.h>
 #include <boot/coreboot_tables.h>
diff --git a/src/mainboard/google/reef/dsdt.asl b/src/mainboard/google/reef/dsdt.asl
index 294e350a71..11313f9336 100644
--- a/src/mainboard/google/reef/dsdt.asl
+++ b/src/mainboard/google/reef/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; 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 */
+/* This file is part of the coreboot project. */
 
 #include <variant/ec.h>
 #include <variant/gpio.h>
diff --git a/src/mainboard/google/reef/ec.c b/src/mainboard/google/reef/ec.c
index ddcf6093df..0a86910063 100644
--- a/src/mainboard/google/reef/ec.c
+++ b/src/mainboard/google/reef/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.
- *
- * 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 file is part of the coreboot project. */
 
 #include <arch/acpi.h>
 #include <console/console.h>
diff --git a/src/mainboard/google/reef/mainboard.c b/src/mainboard/google/reef/mainboard.c
index ec09963bb3..b17bf90c2e 100644
--- a/src/mainboard/google/reef/mainboard.c
+++ b/src/mainboard/google/reef/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 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 */
+/* This file is part of the coreboot project. */
 
 #include <arch/acpi.h>
 #include <baseboard/variants.h>
diff --git a/src/mainboard/google/reef/romstage.c b/src/mainboard/google/reef/romstage.c
index c99b8cb20c..b6811fb572 100644
--- a/src/mainboard/google/reef/romstage.c
+++ b/src/mainboard/google/reef/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; 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 */
+/* This file is part of the coreboot project. */
 
 #include <baseboard/variants.h>
 #include <soc/meminit.h>
diff --git a/src/mainboard/google/reef/smihandler.c b/src/mainboard/google/reef/smihandler.c
index 2f019cf4c1..bde2e43e5a 100644
--- a/src/mainboard/google/reef/smihandler.c
+++ b/src/mainboard/google/reef/smihandler.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 */
+/* This file is part of the coreboot project. */
 
 #include <arch/acpi.h>
 #include <baseboard/variants.h>
diff --git a/src/mainboard/google/reef/variants/baseboard/gpio.c b/src/mainboard/google/reef/variants/baseboard/gpio.c
index 40aee4db2f..b9cf098824 100644
--- a/src/mainboard/google/reef/variants/baseboard/gpio.c
+++ b/src/mainboard/google/reef/variants/baseboard/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; 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 */
+/* This file is part of the coreboot project. */
 
 #include <baseboard/gpio.h>
 #include <baseboard/variants.h>
diff --git a/src/mainboard/google/reef/variants/baseboard/include/baseboard/acpi/dptf.asl b/src/mainboard/google/reef/variants/baseboard/include/baseboard/acpi/dptf.asl
index 7e04b5b463..70847fa232 100644
--- a/src/mainboard/google/reef/variants/baseboard/include/baseboard/acpi/dptf.asl
+++ b/src/mainboard/google/reef/variants/baseboard/include/baseboard/acpi/dptf.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.
- *
- * 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 file is part of the coreboot project. */
 
 #define DPTF_CPU_PASSIVE	95
 #define DPTF_CPU_CRITICAL	105
diff --git a/src/mainboard/google/reef/variants/baseboard/include/baseboard/ec.h b/src/mainboard/google/reef/variants/baseboard/include/baseboard/ec.h
index 4bd3103698..77c212b11f 100644
--- a/src/mainboard/google/reef/variants/baseboard/include/baseboard/ec.h
+++ b/src/mainboard/google/reef/variants/baseboard/include/baseboard/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.
- *
- * 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 file is part of the coreboot project. */
 
 #ifndef BASEBOARD_EC_H
 #define BASEBOARD_EC_H
diff --git a/src/mainboard/google/reef/variants/baseboard/include/baseboard/gpio.h b/src/mainboard/google/reef/variants/baseboard/include/baseboard/gpio.h
index 7fb9a7e26d..e380ce703a 100644
--- a/src/mainboard/google/reef/variants/baseboard/include/baseboard/gpio.h
+++ b/src/mainboard/google/reef/variants/baseboard/include/baseboard/gpio.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.
- *
- * 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 file is part of the coreboot project. */
 
 #ifndef BASEBOARD_GPIO_H
 #define BASEBOARD_GPIO_H
diff --git a/src/mainboard/google/reef/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/reef/variants/baseboard/include/baseboard/variants.h
index b93421fce4..3162892526 100644
--- a/src/mainboard/google/reef/variants/baseboard/include/baseboard/variants.h
+++ b/src/mainboard/google/reef/variants/baseboard/include/baseboard/variants.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.
- *
- * 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 file is part of the coreboot project. */
 
 #ifndef BASEBOARD_VARIANTS_H
 #define BASEBOARD_VARIANTS_H
diff --git a/src/mainboard/google/reef/variants/baseboard/memory.c b/src/mainboard/google/reef/variants/baseboard/memory.c
index 21844d5162..4da5cbfc6d 100644
--- a/src/mainboard/google/reef/variants/baseboard/memory.c
+++ b/src/mainboard/google/reef/variants/baseboard/memory.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 */
+/* This file is part of the coreboot project. */
 
 #include <baseboard/variants.h>
 #include <gpio.h>
diff --git a/src/mainboard/google/reef/variants/baseboard/nhlt.c b/src/mainboard/google/reef/variants/baseboard/nhlt.c
index f413d01237..7a0dccc1f8 100644
--- a/src/mainboard/google/reef/variants/baseboard/nhlt.c
+++ b/src/mainboard/google/reef/variants/baseboard/nhlt.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 */
+/* This file is part of the coreboot project. */
 
 #include <baseboard/variants.h>
 #include <console/console.h>
diff --git a/src/mainboard/google/reef/variants/coral/gpio.c b/src/mainboard/google/reef/variants/coral/gpio.c
index 25036f770a..3b3839ec9f 100644
--- a/src/mainboard/google/reef/variants/coral/gpio.c
+++ b/src/mainboard/google/reef/variants/coral/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; 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 */
+/* This file is part of the coreboot project. */
 
 #include <arch/acpi.h>
 #include <baseboard/gpio.h>
diff --git a/src/mainboard/google/reef/variants/coral/include/variant/acpi/dptf.asl b/src/mainboard/google/reef/variants/coral/include/variant/acpi/dptf.asl
index 2e6e9feadf..231ff1bb72 100644
--- a/src/mainboard/google/reef/variants/coral/include/variant/acpi/dptf.asl
+++ b/src/mainboard/google/reef/variants/coral/include/variant/acpi/dptf.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; 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 */
+/* This file is part of the coreboot project. */
 
 #include <baseboard/acpi/dptf.asl>
diff --git a/src/mainboard/google/reef/variants/coral/include/variant/ec.h b/src/mainboard/google/reef/variants/coral/include/variant/ec.h
index 4d96aec700..15a685204e 100644
--- a/src/mainboard/google/reef/variants/coral/include/variant/ec.h
+++ b/src/mainboard/google/reef/variants/coral/include/variant/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.
- *
- * 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 file is part of the coreboot project. */
 
 #ifndef MAINBOARD_EC_H
 #define MAINBOARD_EC_H
diff --git a/src/mainboard/google/reef/variants/coral/include/variant/gpio.h b/src/mainboard/google/reef/variants/coral/include/variant/gpio.h
index 3777fed07b..e6df66b293 100644
--- a/src/mainboard/google/reef/variants/coral/include/variant/gpio.h
+++ b/src/mainboard/google/reef/variants/coral/include/variant/gpio.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.
- *
- * 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 file is part of the coreboot project. */
 
 #ifndef MAINBOARD_GPIO_H
 #define MAINBOARD_GPIO_H
diff --git a/src/mainboard/google/reef/variants/coral/mainboard.c b/src/mainboard/google/reef/variants/coral/mainboard.c
index 0e21b87c2b..983eed3e42 100644
--- a/src/mainboard/google/reef/variants/coral/mainboard.c
+++ b/src/mainboard/google/reef/variants/coral/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 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 */
+/* This file is part of the coreboot project. */
 
 #include <stdint.h>
 #include <drivers/intel/gma/opregion.h>
diff --git a/src/mainboard/google/reef/variants/nasher/include/variant/acpi/dptf.asl b/src/mainboard/google/reef/variants/nasher/include/variant/acpi/dptf.asl
index f3723b0c40..7263428595 100644
--- a/src/mainboard/google/reef/variants/nasher/include/variant/acpi/dptf.asl
+++ b/src/mainboard/google/reef/variants/nasher/include/variant/acpi/dptf.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.
- *
- * 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 file is part of the coreboot project. */
 
 /* Use the one from baseboard for now until the real testing is done. */
 #include <baseboard/acpi/dptf.asl>
diff --git a/src/mainboard/google/reef/variants/nasher/include/variant/ec.h b/src/mainboard/google/reef/variants/nasher/include/variant/ec.h
index 1c26344731..c5bdd63884 100644
--- a/src/mainboard/google/reef/variants/nasher/include/variant/ec.h
+++ b/src/mainboard/google/reef/variants/nasher/include/variant/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.
- *
- * 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 file is part of the coreboot project. */
 
 /* Use the one from baseboard for now */
 #include <baseboard/ec.h>
diff --git a/src/mainboard/google/reef/variants/nasher/include/variant/gpio.h b/src/mainboard/google/reef/variants/nasher/include/variant/gpio.h
index 28a21f0014..b936561735 100644
--- a/src/mainboard/google/reef/variants/nasher/include/variant/gpio.h
+++ b/src/mainboard/google/reef/variants/nasher/include/variant/gpio.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.
- *
- * 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 file is part of the coreboot project. */
 
 /* Use the one from baseboard for now */
 #include <baseboard/gpio.h>
diff --git a/src/mainboard/google/reef/variants/pyro/include/variant/acpi/dptf.asl b/src/mainboard/google/reef/variants/pyro/include/variant/acpi/dptf.asl
index b8d5bf7454..5b805b8110 100644
--- a/src/mainboard/google/reef/variants/pyro/include/variant/acpi/dptf.asl
+++ b/src/mainboard/google/reef/variants/pyro/include/variant/acpi/dptf.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.
- *
- * 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 file is part of the coreboot project. */
 
 #define DPTF_CPU_PASSIVE	80
 #define DPTF_CPU_CRITICAL	90
diff --git a/src/mainboard/google/reef/variants/pyro/include/variant/ec.h b/src/mainboard/google/reef/variants/pyro/include/variant/ec.h
index 87f03b1ece..52e5f622c1 100644
--- a/src/mainboard/google/reef/variants/pyro/include/variant/ec.h
+++ b/src/mainboard/google/reef/variants/pyro/include/variant/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.
- *
- * 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 file is part of the coreboot project. */
 
 #ifndef MAINBOARD_EC_H
 #define MAINBOARD_EC_H
diff --git a/src/mainboard/google/reef/variants/pyro/include/variant/gpio.h b/src/mainboard/google/reef/variants/pyro/include/variant/gpio.h
index 3777fed07b..e6df66b293 100644
--- a/src/mainboard/google/reef/variants/pyro/include/variant/gpio.h
+++ b/src/mainboard/google/reef/variants/pyro/include/variant/gpio.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.
- *
- * 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 file is part of the coreboot project. */
 
 #ifndef MAINBOARD_GPIO_H
 #define MAINBOARD_GPIO_H
diff --git a/src/mainboard/google/reef/variants/pyro/memory.c b/src/mainboard/google/reef/variants/pyro/memory.c
index fe4b8c5afc..60646d04db 100644
--- a/src/mainboard/google/reef/variants/pyro/memory.c
+++ b/src/mainboard/google/reef/variants/pyro/memory.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 */
+/* This file is part of the coreboot project. */
 
 #include <baseboard/variants.h>
 #include <gpio.h>
diff --git a/src/mainboard/google/reef/variants/reef/include/variant/acpi/dptf.asl b/src/mainboard/google/reef/variants/reef/include/variant/acpi/dptf.asl
index 2e6e9feadf..231ff1bb72 100644
--- a/src/mainboard/google/reef/variants/reef/include/variant/acpi/dptf.asl
+++ b/src/mainboard/google/reef/variants/reef/include/variant/acpi/dptf.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; 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 */
+/* This file is part of the coreboot project. */
 
 #include <baseboard/acpi/dptf.asl>
diff --git a/src/mainboard/google/reef/variants/reef/include/variant/ec.h b/src/mainboard/google/reef/variants/reef/include/variant/ec.h
index 87f03b1ece..52e5f622c1 100644
--- a/src/mainboard/google/reef/variants/reef/include/variant/ec.h
+++ b/src/mainboard/google/reef/variants/reef/include/variant/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.
- *
- * 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 file is part of the coreboot project. */
 
 #ifndef MAINBOARD_EC_H
 #define MAINBOARD_EC_H
diff --git a/src/mainboard/google/reef/variants/reef/include/variant/gpio.h b/src/mainboard/google/reef/variants/reef/include/variant/gpio.h
index 3777fed07b..e6df66b293 100644
--- a/src/mainboard/google/reef/variants/reef/include/variant/gpio.h
+++ b/src/mainboard/google/reef/variants/reef/include/variant/gpio.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.
- *
- * 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 file is part of the coreboot project. */
 
 #ifndef MAINBOARD_GPIO_H
 #define MAINBOARD_GPIO_H
diff --git a/src/mainboard/google/reef/variants/sand/include/variant/acpi/dptf.asl b/src/mainboard/google/reef/variants/sand/include/variant/acpi/dptf.asl
index 4af1d3171a..5b97dba510 100644
--- a/src/mainboard/google/reef/variants/sand/include/variant/acpi/dptf.asl
+++ b/src/mainboard/google/reef/variants/sand/include/variant/acpi/dptf.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.
- *
- * 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 file is part of the coreboot project. */
 
 #define DPTF_CPU_PASSIVE	83
 #define DPTF_CPU_CRITICAL	99
diff --git a/src/mainboard/google/reef/variants/sand/include/variant/ec.h b/src/mainboard/google/reef/variants/sand/include/variant/ec.h
index cb4509f590..966e0f3fe5 100644
--- a/src/mainboard/google/reef/variants/sand/include/variant/ec.h
+++ b/src/mainboard/google/reef/variants/sand/include/variant/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.
- *
- * 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 file is part of the coreboot project. */
 
 #ifndef BASEBOARD_EC_H
 #define BASEBOARD_EC_H
diff --git a/src/mainboard/google/reef/variants/sand/include/variant/gpio.h b/src/mainboard/google/reef/variants/sand/include/variant/gpio.h
index 28a21f0014..b936561735 100644
--- a/src/mainboard/google/reef/variants/sand/include/variant/gpio.h
+++ b/src/mainboard/google/reef/variants/sand/include/variant/gpio.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.
- *
- * 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 file is part of the coreboot project. */
 
 /* Use the one from baseboard for now */
 #include <baseboard/gpio.h>
diff --git a/src/mainboard/google/reef/variants/snappy/include/variant/acpi/dptf.asl b/src/mainboard/google/reef/variants/snappy/include/variant/acpi/dptf.asl
index 81b167955d..0b17ca14b1 100644
--- a/src/mainboard/google/reef/variants/snappy/include/variant/acpi/dptf.asl
+++ b/src/mainboard/google/reef/variants/snappy/include/variant/acpi/dptf.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.
- *
- * 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 file is part of the coreboot project. */
 
 #define DPTF_CPU_PASSIVE	100
 #define DPTF_CPU_CRITICAL	105
diff --git a/src/mainboard/google/reef/variants/snappy/include/variant/ec.h b/src/mainboard/google/reef/variants/snappy/include/variant/ec.h
index 4d96aec700..15a685204e 100644
--- a/src/mainboard/google/reef/variants/snappy/include/variant/ec.h
+++ b/src/mainboard/google/reef/variants/snappy/include/variant/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.
- *
- * 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 file is part of the coreboot project. */
 
 #ifndef MAINBOARD_EC_H
 #define MAINBOARD_EC_H
diff --git a/src/mainboard/google/reef/variants/snappy/include/variant/gpio.h b/src/mainboard/google/reef/variants/snappy/include/variant/gpio.h
index 3777fed07b..e6df66b293 100644
--- a/src/mainboard/google/reef/variants/snappy/include/variant/gpio.h
+++ b/src/mainboard/google/reef/variants/snappy/include/variant/gpio.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.
- *
- * 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 file is part of the coreboot project. */
 
 #ifndef MAINBOARD_GPIO_H
 #define MAINBOARD_GPIO_H
diff --git a/src/mainboard/google/reef/variants/snappy/mainboard.c b/src/mainboard/google/reef/variants/snappy/mainboard.c
index 2ce262b974..dc10d35915 100644
--- a/src/mainboard/google/reef/variants/snappy/mainboard.c
+++ b/src/mainboard/google/reef/variants/snappy/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 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 */
+/* This file is part of the coreboot project. */
 
 #include <string.h>
 #include <baseboard/variants.h>