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

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

Change-Id: I3c90ef02041799954aa656924df8c07325b83431
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40175
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

30 files changed, 60 insertions, 389 deletions

diff --git a/src/mainboard/google/glados/variants/asuka/include/variant/acpi/dptf.asl b/src/mainboard/google/glados/variants/asuka/include/variant/acpi/dptf.asl
index c57935ab1c..273497902e 100644
--- a/src/mainboard/google/glados/variants/asuka/include/variant/acpi/dptf.asl
+++ b/src/mainboard/google/glados/variants/asuka/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	101
 #define DPTF_CPU_CRITICAL	106
diff --git a/src/mainboard/google/glados/variants/asuka/include/variant/gpio.h b/src/mainboard/google/glados/variants/asuka/include/variant/gpio.h
index ea04abe530..07bec37dbf 100644
--- a/src/mainboard/google/glados/variants/asuka/include/variant/gpio.h
+++ b/src/mainboard/google/glados/variants/asuka/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/glados/variants/asuka/variant.c b/src/mainboard/google/glados/variants/asuka/variant.c
index 4312dde3e6..0def99cf77 100644
--- a/src/mainboard/google/glados/variants/asuka/variant.c
+++ b/src/mainboard/google/glados/variants/asuka/variant.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 <string.h>
diff --git a/src/mainboard/google/glados/variants/baseboard/include/baseboard/variant.h b/src/mainboard/google/glados/variants/baseboard/include/baseboard/variant.h
index 45636acad2..27bafece2b 100644
--- a/src/mainboard/google/glados/variants/baseboard/include/baseboard/variant.h
+++ b/src/mainboard/google/glados/variants/baseboard/include/baseboard/variant.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 GLADOS_VARIANT_H
 #define GLADOS_VARIANT_H
diff --git a/src/mainboard/google/glados/variants/caroline/include/variant/acpi/dptf.asl b/src/mainboard/google/glados/variants/caroline/include/variant/acpi/dptf.asl
index f6e1400d44..30f0314a66 100644
--- a/src/mainboard/google/glados/variants/caroline/include/variant/acpi/dptf.asl
+++ b/src/mainboard/google/glados/variants/caroline/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	100
diff --git a/src/mainboard/google/glados/variants/caroline/include/variant/acpi/mainboard.asl b/src/mainboard/google/glados/variants/caroline/include/variant/acpi/mainboard.asl
index d4bc3507b4..72ebfb08bf 100644
--- a/src/mainboard/google/glados/variants/caroline/include/variant/acpi/mainboard.asl
+++ b/src/mainboard/google/glados/variants/caroline/include/variant/acpi/mainboard.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/gpio.h>
 
diff --git a/src/mainboard/google/glados/variants/caroline/include/variant/ec.h b/src/mainboard/google/glados/variants/caroline/include/variant/ec.h
index 04894b616e..a1ad66540b 100644
--- a/src/mainboard/google/glados/variants/caroline/include/variant/ec.h
+++ b/src/mainboard/google/glados/variants/caroline/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. */
 
 /* EC ENABLE MULTIPLE DPTF PROFILES */
 #define EC_ENABLE_MULTIPLE_DPTF_PROFILES
diff --git a/src/mainboard/google/glados/variants/caroline/include/variant/gpio.h b/src/mainboard/google/glados/variants/caroline/include/variant/gpio.h
index 1a74445b8f..223a4a5ef3 100644
--- a/src/mainboard/google/glados/variants/caroline/include/variant/gpio.h
+++ b/src/mainboard/google/glados/variants/caroline/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/glados/variants/caroline/variant.c b/src/mainboard/google/glados/variants/caroline/variant.c
index 5757cd15a9..a315f9e3e9 100644
--- a/src/mainboard/google/glados/variants/caroline/variant.c
+++ b/src/mainboard/google/glados/variants/caroline/variant.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/variant.h>
 #include <fsp/soc_binding.h>
diff --git a/src/mainboard/google/glados/variants/cave/include/variant/acpi/dptf.asl b/src/mainboard/google/glados/variants/cave/include/variant/acpi/dptf.asl
index 49321a65a5..924413651c 100644
--- a/src/mainboard/google/glados/variants/cave/include/variant/acpi/dptf.asl
+++ b/src/mainboard/google/glados/variants/cave/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       99
diff --git a/src/mainboard/google/glados/variants/cave/include/variant/ec.h b/src/mainboard/google/glados/variants/cave/include/variant/ec.h
index dfd09fdd61..2eb7a78837 100644
--- a/src/mainboard/google/glados/variants/cave/include/variant/ec.h
+++ b/src/mainboard/google/glados/variants/cave/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. */
 
 /* Enable EC backed ALS device in ACPI */
 #define EC_ENABLE_ALS_DEVICE
diff --git a/src/mainboard/google/glados/variants/cave/include/variant/gpio.h b/src/mainboard/google/glados/variants/cave/include/variant/gpio.h
index 2961588ec3..c3b44eefb8 100644
--- a/src/mainboard/google/glados/variants/cave/include/variant/gpio.h
+++ b/src/mainboard/google/glados/variants/cave/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/glados/variants/cave/variant.c b/src/mainboard/google/glados/variants/cave/variant.c
index a3a62bb9a8..00c2b51d76 100644
--- a/src/mainboard/google/glados/variants/cave/variant.c
+++ b/src/mainboard/google/glados/variants/cave/variant.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/variant.h>
 #include <fsp/soc_binding.h>
diff --git a/src/mainboard/google/glados/variants/chell/include/variant/acpi/dptf.asl b/src/mainboard/google/glados/variants/chell/include/variant/acpi/dptf.asl
index b3da88984b..eae05b0948 100644
--- a/src/mainboard/google/glados/variants/chell/include/variant/acpi/dptf.asl
+++ b/src/mainboard/google/glados/variants/chell/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       99
diff --git a/src/mainboard/google/glados/variants/chell/include/variant/acpi/mainboard.asl b/src/mainboard/google/glados/variants/chell/include/variant/acpi/mainboard.asl
index aa465fae4f..d5f628e31b 100644
--- a/src/mainboard/google/glados/variants/chell/include/variant/acpi/mainboard.asl
+++ b/src/mainboard/google/glados/variants/chell/include/variant/acpi/mainboard.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.
- *
- * 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. */
 
 Scope (\_SB.PCI0.XHCI.RHUB.HS01)
 {
diff --git a/src/mainboard/google/glados/variants/chell/include/variant/ec.h b/src/mainboard/google/glados/variants/chell/include/variant/ec.h
index 15b68189c4..1158f2f0e4 100644
--- a/src/mainboard/google/glados/variants/chell/include/variant/ec.h
+++ b/src/mainboard/google/glados/variants/chell/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. */
 
 /* Enable EC backed Keyboard Backlight in ACPI */
 #define EC_ENABLE_KEYBOARD_BACKLIGHT
diff --git a/src/mainboard/google/glados/variants/chell/include/variant/gpio.h b/src/mainboard/google/glados/variants/chell/include/variant/gpio.h
index da30cbdfd5..872d912c2b 100644
--- a/src/mainboard/google/glados/variants/chell/include/variant/gpio.h
+++ b/src/mainboard/google/glados/variants/chell/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/glados/variants/chell/variant.c b/src/mainboard/google/glados/variants/chell/variant.c
index 65ad017789..0a4955ef4d 100644
--- a/src/mainboard/google/glados/variants/chell/variant.c
+++ b/src/mainboard/google/glados/variants/chell/variant.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/variant.h>
 #include <fsp/soc_binding.h>
diff --git a/src/mainboard/google/glados/variants/glados/include/variant/acpi/dptf.asl b/src/mainboard/google/glados/variants/glados/include/variant/acpi/dptf.asl
index 90af48b68e..50aa06edfb 100644
--- a/src/mainboard/google/glados/variants/glados/include/variant/acpi/dptf.asl
+++ b/src/mainboard/google/glados/variants/glados/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/glados/variants/glados/include/variant/ec.h b/src/mainboard/google/glados/variants/glados/include/variant/ec.h
index ee4b415c66..1c458e9716 100644
--- a/src/mainboard/google/glados/variants/glados/include/variant/ec.h
+++ b/src/mainboard/google/glados/variants/glados/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. */
 
 /* Enable EC backed ALS device in ACPI */
 #define EC_ENABLE_ALS_DEVICE
diff --git a/src/mainboard/google/glados/variants/glados/include/variant/gpio.h b/src/mainboard/google/glados/variants/glados/include/variant/gpio.h
index 2d783ca5b1..a23e422d14 100644
--- a/src/mainboard/google/glados/variants/glados/include/variant/gpio.h
+++ b/src/mainboard/google/glados/variants/glados/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/glados/variants/glados/variant.c b/src/mainboard/google/glados/variants/glados/variant.c
index a3a62bb9a8..00c2b51d76 100644
--- a/src/mainboard/google/glados/variants/glados/variant.c
+++ b/src/mainboard/google/glados/variants/glados/variant.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/variant.h>
 #include <fsp/soc_binding.h>
diff --git a/src/mainboard/google/glados/variants/lars/include/variant/acpi/dptf.asl b/src/mainboard/google/glados/variants/lars/include/variant/acpi/dptf.asl
index ca776edfff..ab57de747a 100644
--- a/src/mainboard/google/glados/variants/lars/include/variant/acpi/dptf.asl
+++ b/src/mainboard/google/glados/variants/lars/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	94
 #define DPTF_CPU_CRITICAL       99
diff --git a/src/mainboard/google/glados/variants/lars/include/variant/ec.h b/src/mainboard/google/glados/variants/lars/include/variant/ec.h
index ee4b415c66..1c458e9716 100644
--- a/src/mainboard/google/glados/variants/lars/include/variant/ec.h
+++ b/src/mainboard/google/glados/variants/lars/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. */
 
 /* Enable EC backed ALS device in ACPI */
 #define EC_ENABLE_ALS_DEVICE
diff --git a/src/mainboard/google/glados/variants/lars/include/variant/gpio.h b/src/mainboard/google/glados/variants/lars/include/variant/gpio.h
index 1f390fc911..be03de3bbc 100644
--- a/src/mainboard/google/glados/variants/lars/include/variant/gpio.h
+++ b/src/mainboard/google/glados/variants/lars/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/glados/variants/lars/variant.c b/src/mainboard/google/glados/variants/lars/variant.c
index 5717484a90..5b7216c407 100644
--- a/src/mainboard/google/glados/variants/lars/variant.c
+++ b/src/mainboard/google/glados/variants/lars/variant.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 <string.h>
diff --git a/src/mainboard/google/glados/variants/sentry/include/variant/acpi/dptf.asl b/src/mainboard/google/glados/variants/sentry/include/variant/acpi/dptf.asl
index 2e99dd9da7..bc102ba5af 100644
--- a/src/mainboard/google/glados/variants/sentry/include/variant/acpi/dptf.asl
+++ b/src/mainboard/google/glados/variants/sentry/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	90
 #define DPTF_CPU_CRITICAL	98
diff --git a/src/mainboard/google/glados/variants/sentry/include/variant/ec.h b/src/mainboard/google/glados/variants/sentry/include/variant/ec.h
index fe31d0e653..aee92b0c45 100644
--- a/src/mainboard/google/glados/variants/sentry/include/variant/ec.h
+++ b/src/mainboard/google/glados/variants/sentry/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. */
 
 /* Enable EC backed ALS device in ACPI */
 #define EC_ENABLE_ALS_DEVICE
diff --git a/src/mainboard/google/glados/variants/sentry/include/variant/gpio.h b/src/mainboard/google/glados/variants/sentry/include/variant/gpio.h
index 5864469f35..399cc920cd 100644
--- a/src/mainboard/google/glados/variants/sentry/include/variant/gpio.h
+++ b/src/mainboard/google/glados/variants/sentry/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/glados/variants/sentry/variant.c b/src/mainboard/google/glados/variants/sentry/variant.c
index 126fc1515e..b2405ca892 100644
--- a/src/mainboard/google/glados/variants/sentry/variant.c
+++ b/src/mainboard/google/glados/variants/sentry/variant.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 <string.h>