mainboard/hp: Use SPDX for GPL-2.0-only files

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

Change-Id: I42ab3846c75adca1fe74dfa5114c9b697127bb76
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40080
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

76 files changed, 152 insertions, 1012 deletions

diff --git a/src/mainboard/hp/abm/BiosCallOuts.c b/src/mainboard/hp/abm/BiosCallOuts.c
index 2ee00fc22e22..ae332ed7c8e4 100644
--- a/src/mainboard/hp/abm/BiosCallOuts.c
+++ b/src/mainboard/hp/abm/BiosCallOuts.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 <AGESA.h>
 #include <northbridge/amd/agesa/BiosCallOuts.h>
diff --git a/src/mainboard/hp/abm/OemCustomize.c b/src/mainboard/hp/abm/OemCustomize.c
index bc311cc457f3..205408197990 100644
--- a/src/mainboard/hp/abm/OemCustomize.c
+++ b/src/mainboard/hp/abm/OemCustomize.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 <AGESA.h>
 #include <PlatformMemoryConfiguration.h>
diff --git a/src/mainboard/hp/abm/OptionsIds.h b/src/mainboard/hp/abm/OptionsIds.h
index b796375146d1..43cfdd75d5a5 100644
--- a/src/mainboard/hp/abm/OptionsIds.h
+++ b/src/mainboard/hp/abm/OptionsIds.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. */
 
 /**
  * @file
diff --git a/src/mainboard/hp/abm/acpi/gpe.asl b/src/mainboard/hp/abm/acpi/gpe.asl
index 72bcf765c36e..4e66be0e9cb5 100644
--- a/src/mainboard/hp/abm/acpi/gpe.asl
+++ b/src/mainboard/hp/abm/acpi/gpe.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. */
 
 Scope(\_GPE) {	/* Start Scope GPE */
 
diff --git a/src/mainboard/hp/abm/acpi/ide.asl b/src/mainboard/hp/abm/acpi/ide.asl
index e17d93befd06..85237670a26c 100644
--- a/src/mainboard/hp/abm/acpi/ide.asl
+++ b/src/mainboard/hp/abm/acpi/ide.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. */
 
 /* No IDE functionality */
 
diff --git a/src/mainboard/hp/abm/acpi/mainboard.asl b/src/mainboard/hp/abm/acpi/mainboard.asl
index 993000d2c6df..e15ead22ae9e 100644
--- a/src/mainboard/hp/abm/acpi/mainboard.asl
+++ b/src/mainboard/hp/abm/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. */
 
 /* Memory related values */
 Name(LOMH, 0x0)	/* Start of unused memory in C0000-E0000 range */
diff --git a/src/mainboard/hp/abm/acpi/routing.asl b/src/mainboard/hp/abm/acpi/routing.asl
index 0411c2a6b7f7..7167de74773f 100644
--- a/src/mainboard/hp/abm/acpi/routing.asl
+++ b/src/mainboard/hp/abm/acpi/routing.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 <arch/acpi.h>
diff --git a/src/mainboard/hp/abm/acpi/sata.asl b/src/mainboard/hp/abm/acpi/sata.asl
index 00d855adb0ec..864eb9e07c97 100644
--- a/src/mainboard/hp/abm/acpi/sata.asl
+++ b/src/mainboard/hp/abm/acpi/sata.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. */
 
 /* No SATA functionality */
 
diff --git a/src/mainboard/hp/abm/acpi/si.asl b/src/mainboard/hp/abm/acpi/si.asl
index 0f8d8b1f7fd3..3a9e84f9042e 100644
--- a/src/mainboard/hp/abm/acpi/si.asl
+++ b/src/mainboard/hp/abm/acpi/si.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. */
 
 Scope(\_SI) {
 	Method(_SST, 1) {
diff --git a/src/mainboard/hp/abm/acpi/sleep.asl b/src/mainboard/hp/abm/acpi/sleep.asl
index 9f1f4c72de68..118e8b64392b 100644
--- a/src/mainboard/hp/abm/acpi/sleep.asl
+++ b/src/mainboard/hp/abm/acpi/sleep.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. */
 
 /* Wake status package */
 Name(WKST,Package(){Zero, Zero})
diff --git a/src/mainboard/hp/abm/acpi/usb_oc.asl b/src/mainboard/hp/abm/acpi/usb_oc.asl
index bf005459272b..db55264f911f 100644
--- a/src/mainboard/hp/abm/acpi/usb_oc.asl
+++ b/src/mainboard/hp/abm/acpi/usb_oc.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. */
 
 /* simple name description */
 /*
diff --git a/src/mainboard/hp/abm/acpi_tables.c b/src/mainboard/hp/abm/acpi_tables.c
index a40e86fe00f6..243a4a621d43 100644
--- a/src/mainboard/hp/abm/acpi_tables.c
+++ b/src/mainboard/hp/abm/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 */
+/* This file is part of the coreboot project. */
 
 #include <arch/acpi.h>
 #include <arch/ioapic.h>
diff --git a/src/mainboard/hp/abm/bootblock.c b/src/mainboard/hp/abm/bootblock.c
index a48ba772e114..7a08ae117e87 100644
--- a/src/mainboard/hp/abm/bootblock.c
+++ b/src/mainboard/hp/abm/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 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 <amdblocks/acpimmio.h>
 #include <bootblock_common.h>
diff --git a/src/mainboard/hp/abm/buildOpts.c b/src/mainboard/hp/abm/buildOpts.c
index 1b0e853ad636..786d9cb078bf 100644
--- a/src/mainboard/hp/abm/buildOpts.c
+++ b/src/mainboard/hp/abm/buildOpts.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. */
 
 /**
  * @file
diff --git a/src/mainboard/hp/abm/dsdt.asl b/src/mainboard/hp/abm/dsdt.asl
index 15b241f897fd..1b822e60ba46 100644
--- a/src/mainboard/hp/abm/dsdt.asl
+++ b/src/mainboard/hp/abm/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. */
 
 /* DefinitionBlock Statement */
 #include <arch/acpi.h>
diff --git a/src/mainboard/hp/abm/irq_tables.c b/src/mainboard/hp/abm/irq_tables.c
index 5f0654ad1e3e..b8077ff8c1d9 100644
--- a/src/mainboard/hp/abm/irq_tables.c
+++ b/src/mainboard/hp/abm/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; 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 <console/console.h>
 #include <device/pci_def.h>
diff --git a/src/mainboard/hp/abm/mainboard.c b/src/mainboard/hp/abm/mainboard.c
index 7a96b6dff18d..ed342ab34b5f 100644
--- a/src/mainboard/hp/abm/mainboard.c
+++ b/src/mainboard/hp/abm/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 <console/console.h>
 #include <device/device.h>
diff --git a/src/mainboard/hp/abm/mptable.c b/src/mainboard/hp/abm/mptable.c
index 6e1d402833cd..73e6cc4e7da7 100644
--- a/src/mainboard/hp/abm/mptable.c
+++ b/src/mainboard/hp/abm/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; 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/smp/mpspec.h>
 #include <arch/io.h>
diff --git a/src/mainboard/hp/compaq_8200_elite_sff/acpi/platform.asl b/src/mainboard/hp/compaq_8200_elite_sff/acpi/platform.asl
index 440ec7a71fda..fab68de5c619 100644
--- a/src/mainboard/hp/compaq_8200_elite_sff/acpi/platform.asl
+++ b/src/mainboard/hp/compaq_8200_elite_sff/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; 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. */
 
 Method(_WAK, 1, NotSerialized)
 {
diff --git a/src/mainboard/hp/compaq_8200_elite_sff/acpi/superio.asl b/src/mainboard/hp/compaq_8200_elite_sff/acpi/superio.asl
index 501cffb56680..c937af17a9a4 100644
--- a/src/mainboard/hp/compaq_8200_elite_sff/acpi/superio.asl
+++ b/src/mainboard/hp/compaq_8200_elite_sff/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.
- *
- * 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 <superio/nuvoton/npcd378/acpi/superio.asl>
 
diff --git a/src/mainboard/hp/compaq_8200_elite_sff/acpi_tables.c b/src/mainboard/hp/compaq_8200_elite_sff/acpi_tables.c
index 2b8c10087b9c..3851d04b22ec 100644
--- a/src/mainboard/hp/compaq_8200_elite_sff/acpi_tables.c
+++ b/src/mainboard/hp/compaq_8200_elite_sff/acpi_tables.c
@@ -1,17 +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 <southbridge/intel/bd82x6x/nvs.h>
 
diff --git a/src/mainboard/hp/compaq_8200_elite_sff/dsdt.asl b/src/mainboard/hp/compaq_8200_elite_sff/dsdt.asl
index 2ab4c15802b2..150bdcf05a56 100644
--- a/src/mainboard/hp/compaq_8200_elite_sff/dsdt.asl
+++ b/src/mainboard/hp/compaq_8200_elite_sff/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. */
 
 #define BRIGHTNESS_UP \_SB.PCI0.GFX0.INCB
 #define BRIGHTNESS_DOWN \_SB.PCI0.GFX0.DECB
diff --git a/src/mainboard/hp/compaq_8200_elite_sff/early_init.c b/src/mainboard/hp/compaq_8200_elite_sff/early_init.c
index 66f35dd136cd..70d055e8b219 100644
--- a/src/mainboard/hp/compaq_8200_elite_sff/early_init.c
+++ b/src/mainboard/hp/compaq_8200_elite_sff/early_init.c
@@ -1,17 +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 <bootblock_common.h>
 #include <stdint.h>
diff --git a/src/mainboard/hp/compaq_8200_elite_sff/gpio.c b/src/mainboard/hp/compaq_8200_elite_sff/gpio.c
index 0fbb24b749e8..6ea47183ff98 100644
--- a/src/mainboard/hp/compaq_8200_elite_sff/gpio.c
+++ b/src/mainboard/hp/compaq_8200_elite_sff/gpio.c
@@ -1,17 +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 <southbridge/intel/common/gpio.h>
 
diff --git a/src/mainboard/hp/compaq_8200_elite_sff/hda_verb.c b/src/mainboard/hp/compaq_8200_elite_sff/hda_verb.c
index 4813fa8cb408..0602fba4d387 100644
--- a/src/mainboard/hp/compaq_8200_elite_sff/hda_verb.c
+++ b/src/mainboard/hp/compaq_8200_elite_sff/hda_verb.c
@@ -1,17 +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 <device/azalia_device.h>
 
diff --git a/src/mainboard/hp/compaq_8200_elite_sff/mainboard.c b/src/mainboard/hp/compaq_8200_elite_sff/mainboard.c
index 68b60257bc92..634270e6f9a5 100644
--- a/src/mainboard/hp/compaq_8200_elite_sff/mainboard.c
+++ b/src/mainboard/hp/compaq_8200_elite_sff/mainboard.c
@@ -1,17 +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 <device/device.h>
 #include <drivers/intel/gma/int15.h>
 #include <southbridge/intel/bd82x6x/pch.h>
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/BiosCallOuts.c b/src/mainboard/hp/pavilion_m6_1035dx/BiosCallOuts.c
index f51a65ca3511..7ebcb99a2314 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/BiosCallOuts.c
+++ b/src/mainboard/hp/pavilion_m6_1035dx/BiosCallOuts.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 <AGESA.h>
 #include <northbridge/amd/agesa/BiosCallOuts.h>
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/OemCustomize.c b/src/mainboard/hp/pavilion_m6_1035dx/OemCustomize.c
index da11d010d347..3f0c21618ac4 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/OemCustomize.c
+++ b/src/mainboard/hp/pavilion_m6_1035dx/OemCustomize.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 <Porting.h>
 #include <AGESA.h>
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/OptionsIds.h b/src/mainboard/hp/pavilion_m6_1035dx/OptionsIds.h
index bf0588d00f84..a7e18bb65189 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/OptionsIds.h
+++ b/src/mainboard/hp/pavilion_m6_1035dx/OptionsIds.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. */
 
 /**
  * @file
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/acpi/gpe.asl b/src/mainboard/hp/pavilion_m6_1035dx/acpi/gpe.asl
index 869b6c0ac631..675ceaa851cd 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/acpi/gpe.asl
+++ b/src/mainboard/hp/pavilion_m6_1035dx/acpi/gpe.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. */
 
 Scope(\_GPE) {	/* Start Scope GPE */
 
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/acpi/mainboard.asl b/src/mainboard/hp/pavilion_m6_1035dx/acpi/mainboard.asl
index 3bbd215f8328..fc8fb72d9513 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/acpi/mainboard.asl
+++ b/src/mainboard/hp/pavilion_m6_1035dx/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. */
 
 	/* Data to be patched by the BIOS during POST */
 	/* FIXME the patching is not done yet! */
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/acpi/routing.asl b/src/mainboard/hp/pavilion_m6_1035dx/acpi/routing.asl
index 7b9534437eab..3c5d592ba6d7 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/acpi/routing.asl
+++ b/src/mainboard/hp/pavilion_m6_1035dx/acpi/routing.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. */
 
 	/* Routing is in System Bus scope */
 	Name(PR0, Package(){
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/acpi/si.asl b/src/mainboard/hp/pavilion_m6_1035dx/acpi/si.asl
index cc27e983e1ca..e46f26728421 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/acpi/si.asl
+++ b/src/mainboard/hp/pavilion_m6_1035dx/acpi/si.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. */
 	Scope(\_SI) {
 		Method(_SST, 1) {
 			/* DBGO("\\_SI\\_SST\n") */
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/acpi/sleep.asl b/src/mainboard/hp/pavilion_m6_1035dx/acpi/sleep.asl
index d5a1f683a85a..c65979df5571 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/acpi/sleep.asl
+++ b/src/mainboard/hp/pavilion_m6_1035dx/acpi/sleep.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. */
 
 /* Wake status package */
 Name(WKST,Package(){Zero, Zero})
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/acpi/usb_oc.asl b/src/mainboard/hp/pavilion_m6_1035dx/acpi/usb_oc.asl
index e1dc35d9692f..fb88faa56bd8 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/acpi/usb_oc.asl
+++ b/src/mainboard/hp/pavilion_m6_1035dx/acpi/usb_oc.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. */
 
 /* USB overcurrent mapping pins.   */
 Name(UOM0, 0)
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/acpi_tables.c b/src/mainboard/hp/pavilion_m6_1035dx/acpi_tables.c
index be2669eeb85b..3eb63c8920a7 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/acpi_tables.c
+++ b/src/mainboard/hp/pavilion_m6_1035dx/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 */
+/* This file is part of the coreboot project. */
 
 #include <arch/acpi.h>
 #include <arch/ioapic.h>
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/buildOpts.c b/src/mainboard/hp/pavilion_m6_1035dx/buildOpts.c
index 09a7825cfe0e..3e2931af95b0 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/buildOpts.c
+++ b/src/mainboard/hp/pavilion_m6_1035dx/buildOpts.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. */
 
 /**
  * @file
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/dsdt.asl b/src/mainboard/hp/pavilion_m6_1035dx/dsdt.asl
index 7b47a7646a2a..79f4b3f402b2 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/dsdt.asl
+++ b/src/mainboard/hp/pavilion_m6_1035dx/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 "mainboard.h"
 
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/irq_tables.c b/src/mainboard/hp/pavilion_m6_1035dx/irq_tables.c
index 7864872b4548..3ee0def02996 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/irq_tables.c
+++ b/src/mainboard/hp/pavilion_m6_1035dx/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; 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/pirq_routing.h>
 #include <console/console.h>
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/mainboard.c b/src/mainboard/hp/pavilion_m6_1035dx/mainboard.c
index bd1a671d507c..42af1b8efa7f 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/mainboard.c
+++ b/src/mainboard/hp/pavilion_m6_1035dx/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 "ec.h"
 
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/mptable.c b/src/mainboard/hp/pavilion_m6_1035dx/mptable.c
index e426b4d0e36c..159f26cc9802 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/mptable.c
+++ b/src/mainboard/hp/pavilion_m6_1035dx/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; 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/io.h>
 #include <arch/ioapic.h>
diff --git a/src/mainboard/hp/snb_ivb_laptops/acpi/ec.asl b/src/mainboard/hp/snb_ivb_laptops/acpi/ec.asl
index 86acea97150b..b559de2e4f88 100644
--- a/src/mainboard/hp/snb_ivb_laptops/acpi/ec.asl
+++ b/src/mainboard/hp/snb_ivb_laptops/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; 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 <ec/hp/kbc1126/acpi/ec.asl>
diff --git a/src/mainboard/hp/snb_ivb_laptops/acpi/platform.asl b/src/mainboard/hp/snb_ivb_laptops/acpi/platform.asl
index f7f8066ecfd4..68a709e0db12 100644
--- a/src/mainboard/hp/snb_ivb_laptops/acpi/platform.asl
+++ b/src/mainboard/hp/snb_ivb_laptops/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; 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. */
 
 Method(_WAK,1)
 {
diff --git a/src/mainboard/hp/snb_ivb_laptops/acpi/superio.asl b/src/mainboard/hp/snb_ivb_laptops/acpi/superio.asl
index 606085fafee0..1bc162898278 100644
--- a/src/mainboard/hp/snb_ivb_laptops/acpi/superio.asl
+++ b/src/mainboard/hp/snb_ivb_laptops/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; 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 <drivers/pc80/pc/ps2_controller.asl>
diff --git a/src/mainboard/hp/snb_ivb_laptops/acpi_tables.c b/src/mainboard/hp/snb_ivb_laptops/acpi_tables.c
index 831ec53c4426..07bc6acbf5a3 100644
--- a/src/mainboard/hp/snb_ivb_laptops/acpi_tables.c
+++ b/src/mainboard/hp/snb_ivb_laptops/acpi_tables.c
@@ -1,17 +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 <southbridge/intel/bd82x6x/nvs.h>
 
diff --git a/src/mainboard/hp/snb_ivb_laptops/dsdt.asl b/src/mainboard/hp/snb_ivb_laptops/dsdt.asl
index 2ab4c15802b2..150bdcf05a56 100644
--- a/src/mainboard/hp/snb_ivb_laptops/dsdt.asl
+++ b/src/mainboard/hp/snb_ivb_laptops/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. */
 
 #define BRIGHTNESS_UP \_SB.PCI0.GFX0.INCB
 #define BRIGHTNESS_DOWN \_SB.PCI0.GFX0.DECB
diff --git a/src/mainboard/hp/snb_ivb_laptops/mainboard.c b/src/mainboard/hp/snb_ivb_laptops/mainboard.c
index d1aad59d0126..97c7e7a333b7 100644
--- a/src/mainboard/hp/snb_ivb_laptops/mainboard.c
+++ b/src/mainboard/hp/snb_ivb_laptops/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 <device/device.h>
 #include <drivers/intel/gma/int15.h>
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/2570p/early_init.c b/src/mainboard/hp/snb_ivb_laptops/variants/2570p/early_init.c
index ef66127101bd..59048cf1238c 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/2570p/early_init.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/2570p/early_init.c
@@ -1,17 +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 <bootblock_common.h>
 #include <northbridge/intel/sandybridge/sandybridge.h>
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/2570p/gpio.c b/src/mainboard/hp/snb_ivb_laptops/variants/2570p/gpio.c
index 971d2fd866c3..49ca2ab3cbb0 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/2570p/gpio.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/2570p/gpio.c
@@ -1,17 +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 <southbridge/intel/common/gpio.h>
 
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/2570p/hda_verb.c b/src/mainboard/hp/snb_ivb_laptops/variants/2570p/hda_verb.c
index 0aabe19967dd..3e329c7aac0c 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/2570p/hda_verb.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/2570p/hda_verb.c
@@ -1,17 +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 <device/azalia_device.h>
 
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/2760p/early_init.c b/src/mainboard/hp/snb_ivb_laptops/variants/2760p/early_init.c
index b43815ca871d..0dab0e0af601 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/2760p/early_init.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/2760p/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; 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 <bootblock_common.h>
 #include <northbridge/intel/sandybridge/sandybridge.h>
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/2760p/gpio.c b/src/mainboard/hp/snb_ivb_laptops/variants/2760p/gpio.c
index b3a68a49c979..759c667641f1 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/2760p/gpio.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/2760p/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 <southbridge/intel/common/gpio.h>
 
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/2760p/hda_verb.c b/src/mainboard/hp/snb_ivb_laptops/variants/2760p/hda_verb.c
index 9b32e23c12ae..1ecdecf829ad 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/2760p/hda_verb.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/2760p/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.
- *
- * 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 <device/azalia_device.h>
 
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/8460p/early_init.c b/src/mainboard/hp/snb_ivb_laptops/variants/8460p/early_init.c
index 7bf19875ca64..5fa75ece2075 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/8460p/early_init.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/8460p/early_init.c
@@ -1,17 +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 <bootblock_common.h>
 #include <northbridge/intel/sandybridge/sandybridge.h>
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/8460p/gpio.c b/src/mainboard/hp/snb_ivb_laptops/variants/8460p/gpio.c
index 2a9bb1f40240..fd47cf0ee96b 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/8460p/gpio.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/8460p/gpio.c
@@ -1,17 +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 <southbridge/intel/common/gpio.h>
 
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/8460p/hda_verb.c b/src/mainboard/hp/snb_ivb_laptops/variants/8460p/hda_verb.c
index e954689f9f99..990d8baa8969 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/8460p/hda_verb.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/8460p/hda_verb.c
@@ -1,17 +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 <device/azalia_device.h>
 
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/8470p/early_init.c b/src/mainboard/hp/snb_ivb_laptops/variants/8470p/early_init.c
index a89741610dcc..800e992173fe 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/8470p/early_init.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/8470p/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; 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 <bootblock_common.h>
 #include <northbridge/intel/sandybridge/sandybridge.h>
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/8470p/gpio.c b/src/mainboard/hp/snb_ivb_laptops/variants/8470p/gpio.c
index ea8b74983d10..ab91d3a7d8e4 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/8470p/gpio.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/8470p/gpio.c
@@ -1,17 +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 <southbridge/intel/common/gpio.h>
 
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/8470p/hda_verb.c b/src/mainboard/hp/snb_ivb_laptops/variants/8470p/hda_verb.c
index 83b14891f5c9..d8e1fb7a9393 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/8470p/hda_verb.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/8470p/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.
- *
- * 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 <device/azalia_device.h>
 
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/8770w/early_init.c b/src/mainboard/hp/snb_ivb_laptops/variants/8770w/early_init.c
index 5e33cf1a8ad2..6b7bbb2312e5 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/8770w/early_init.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/8770w/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; 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 <bootblock_common.h>
 #include <northbridge/intel/sandybridge/sandybridge.h>
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/8770w/gpio.c b/src/mainboard/hp/snb_ivb_laptops/variants/8770w/gpio.c
index 8ed54a14199e..2f88c94cea5a 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/8770w/gpio.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/8770w/gpio.c
@@ -1,17 +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 <southbridge/intel/common/gpio.h>
 
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/8770w/hda_verb.c b/src/mainboard/hp/snb_ivb_laptops/variants/8770w/hda_verb.c
index 3eb82daf5d2c..431b5032cafa 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/8770w/hda_verb.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/8770w/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.
- *
- * 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 <device/azalia_device.h>
 
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/folio_9470m/early_init.c b/src/mainboard/hp/snb_ivb_laptops/variants/folio_9470m/early_init.c
index 1efdcde35581..46ed03ffeeac 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/folio_9470m/early_init.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/folio_9470m/early_init.c
@@ -1,17 +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 <bootblock_common.h>
 #include <northbridge/intel/sandybridge/sandybridge.h>
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/folio_9470m/gpio.c b/src/mainboard/hp/snb_ivb_laptops/variants/folio_9470m/gpio.c
index 7e50750dc46b..b2f470ac1cc1 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/folio_9470m/gpio.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/folio_9470m/gpio.c
@@ -1,17 +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 <southbridge/intel/common/gpio.h>
 
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/folio_9470m/hda_verb.c b/src/mainboard/hp/snb_ivb_laptops/variants/folio_9470m/hda_verb.c
index c32ea606d65a..652829989295 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/folio_9470m/hda_verb.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/folio_9470m/hda_verb.c
@@ -1,17 +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 <device/azalia_device.h>
 
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/revolve_810_g1/early_init.c b/src/mainboard/hp/snb_ivb_laptops/variants/revolve_810_g1/early_init.c
index 8b45b009cb16..eb62a9f48535 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/revolve_810_g1/early_init.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/revolve_810_g1/early_init.c
@@ -1,17 +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 <bootblock_common.h>
 #include <string.h>
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/revolve_810_g1/gpio.c b/src/mainboard/hp/snb_ivb_laptops/variants/revolve_810_g1/gpio.c
index 9cfab298488c..163e0dc2e467 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/revolve_810_g1/gpio.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/revolve_810_g1/gpio.c
@@ -1,17 +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 <southbridge/intel/common/gpio.h>
 
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/revolve_810_g1/hda_verb.c b/src/mainboard/hp/snb_ivb_laptops/variants/revolve_810_g1/hda_verb.c
index f353184c9712..2f1892e50e44 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/revolve_810_g1/hda_verb.c
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/revolve_810_g1/hda_verb.c
@@ -1,17 +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 <device/azalia_device.h>
 
diff --git a/src/mainboard/hp/z220_sff_workstation/acpi/platform.asl b/src/mainboard/hp/z220_sff_workstation/acpi/platform.asl
index 440ec7a71fda..fab68de5c619 100644
--- a/src/mainboard/hp/z220_sff_workstation/acpi/platform.asl
+++ b/src/mainboard/hp/z220_sff_workstation/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; 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. */
 
 Method(_WAK, 1, NotSerialized)
 {
diff --git a/src/mainboard/hp/z220_sff_workstation/acpi/superio.asl b/src/mainboard/hp/z220_sff_workstation/acpi/superio.asl
index 501cffb56680..c937af17a9a4 100644
--- a/src/mainboard/hp/z220_sff_workstation/acpi/superio.asl
+++ b/src/mainboard/hp/z220_sff_workstation/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.
- *
- * 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 <superio/nuvoton/npcd378/acpi/superio.asl>
 
diff --git a/src/mainboard/hp/z220_sff_workstation/acpi_tables.c b/src/mainboard/hp/z220_sff_workstation/acpi_tables.c
index 2b8c10087b9c..3851d04b22ec 100644
--- a/src/mainboard/hp/z220_sff_workstation/acpi_tables.c
+++ b/src/mainboard/hp/z220_sff_workstation/acpi_tables.c
@@ -1,17 +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 <southbridge/intel/bd82x6x/nvs.h>
 
diff --git a/src/mainboard/hp/z220_sff_workstation/dsdt.asl b/src/mainboard/hp/z220_sff_workstation/dsdt.asl
index 2ab4c15802b2..150bdcf05a56 100644
--- a/src/mainboard/hp/z220_sff_workstation/dsdt.asl
+++ b/src/mainboard/hp/z220_sff_workstation/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. */
 
 #define BRIGHTNESS_UP \_SB.PCI0.GFX0.INCB
 #define BRIGHTNESS_DOWN \_SB.PCI0.GFX0.DECB
diff --git a/src/mainboard/hp/z220_sff_workstation/early_init.c b/src/mainboard/hp/z220_sff_workstation/early_init.c
index d21eed740fad..71a2e952a151 100644
--- a/src/mainboard/hp/z220_sff_workstation/early_init.c
+++ b/src/mainboard/hp/z220_sff_workstation/early_init.c
@@ -1,17 +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 <bootblock_common.h>
 #include <stdint.h>
diff --git a/src/mainboard/hp/z220_sff_workstation/gpio.c b/src/mainboard/hp/z220_sff_workstation/gpio.c
index c79c285ca6ba..624226ec7ab7 100644
--- a/src/mainboard/hp/z220_sff_workstation/gpio.c
+++ b/src/mainboard/hp/z220_sff_workstation/gpio.c
@@ -1,17 +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 <southbridge/intel/common/gpio.h>
 
diff --git a/src/mainboard/hp/z220_sff_workstation/hda_verb.c b/src/mainboard/hp/z220_sff_workstation/hda_verb.c
index 40bc9e18b569..32a0f744c2f5 100644
--- a/src/mainboard/hp/z220_sff_workstation/hda_verb.c
+++ b/src/mainboard/hp/z220_sff_workstation/hda_verb.c
@@ -1,17 +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 <device/azalia_device.h>
 
diff --git a/src/mainboard/hp/z220_sff_workstation/mainboard.c b/src/mainboard/hp/z220_sff_workstation/mainboard.c
index 68b60257bc92..634270e6f9a5 100644
--- a/src/mainboard/hp/z220_sff_workstation/mainboard.c
+++ b/src/mainboard/hp/z220_sff_workstation/mainboard.c
@@ -1,17 +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 <device/device.h>
 #include <drivers/intel/gma/int15.h>
 #include <southbridge/intel/bd82x6x/pch.h>