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

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

Change-Id: Iaabbc58a7089b28ebe23df3a04464234ff465486
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40063
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

155 files changed, 310 insertions, 2012 deletions

diff --git a/src/mainboard/amd/gardenia/BiosCallOuts.c b/src/mainboard/amd/gardenia/BiosCallOuts.c
index 06185ec6bf..9da7a55138 100644
--- a/src/mainboard/amd/gardenia/BiosCallOuts.c
+++ b/src/mainboard/amd/gardenia/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 <amdblocks/agesawrapper.h>
 #include <amdblocks/BiosCallOuts.h>
diff --git a/src/mainboard/amd/gardenia/OemCustomize.c b/src/mainboard/amd/gardenia/OemCustomize.c
index 0bb9658541..88507a6d91 100644
--- a/src/mainboard/amd/gardenia/OemCustomize.c
+++ b/src/mainboard/amd/gardenia/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 <chip.h>
 #include <amdblocks/agesawrapper.h>
diff --git a/src/mainboard/amd/gardenia/acpi/gpe.asl b/src/mainboard/amd/gardenia/acpi/gpe.asl
index 63cbd02780..a4aed9a7d9 100644
--- a/src/mainboard/amd/gardenia/acpi/gpe.asl
+++ b/src/mainboard/amd/gardenia/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/amd/gardenia/acpi/mainboard.asl b/src/mainboard/amd/gardenia/acpi/mainboard.asl
index b74b07c2be..30299db10e 100644
--- a/src/mainboard/amd/gardenia/acpi/mainboard.asl
+++ b/src/mainboard/amd/gardenia/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/amd/gardenia/acpi/routing.asl b/src/mainboard/amd/gardenia/acpi/routing.asl
index 7c120dde2b..642ef8f8ad 100644
--- a/src/mainboard/amd/gardenia/acpi/routing.asl
+++ b/src/mainboard/amd/gardenia/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/amd/gardenia/acpi/sleep.asl b/src/mainboard/amd/gardenia/acpi/sleep.asl
index b23f09d779..9b0e09597b 100644
--- a/src/mainboard/amd/gardenia/acpi/sleep.asl
+++ b/src/mainboard/amd/gardenia/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/amd/gardenia/acpi/usb_oc.asl b/src/mainboard/amd/gardenia/acpi/usb_oc.asl
index 69c42c0af7..8a4df6fbb5 100644
--- a/src/mainboard/amd/gardenia/acpi/usb_oc.asl
+++ b/src/mainboard/amd/gardenia/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/amd/gardenia/bootblock/OemCustomize.c b/src/mainboard/amd/gardenia/bootblock/OemCustomize.c
index 710ff78275..fdf3956a8a 100644
--- a/src/mainboard/amd/gardenia/bootblock/OemCustomize.c
+++ b/src/mainboard/amd/gardenia/bootblock/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 <amdblocks/agesawrapper.h>
 
diff --git a/src/mainboard/amd/gardenia/bootblock/bootblock.c b/src/mainboard/amd/gardenia/bootblock/bootblock.c
index c3833f7aca..27bdc0a384 100644
--- a/src/mainboard/amd/gardenia/bootblock/bootblock.c
+++ b/src/mainboard/amd/gardenia/bootblock/bootblock.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <bootblock_common.h>
 #include <soc/southbridge.h>
diff --git a/src/mainboard/amd/gardenia/dsdt.asl b/src/mainboard/amd/gardenia/dsdt.asl
index 6ecea61936..4f861cbd04 100644
--- a/src/mainboard/amd/gardenia/dsdt.asl
+++ b/src/mainboard/amd/gardenia/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 MAINBOARD_HAS_SPEAKER 1
 
diff --git a/src/mainboard/amd/gardenia/gpio.c b/src/mainboard/amd/gardenia/gpio.c
index 1d58a604d1..b1c61064eb 100644
--- a/src/mainboard/amd/gardenia/gpio.c
+++ b/src/mainboard/amd/gardenia/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 <soc/southbridge.h>
 #include <soc/gpio.h>
diff --git a/src/mainboard/amd/gardenia/gpio.h b/src/mainboard/amd/gardenia/gpio.h
index da75c10895..08cf106c9c 100644
--- a/src/mainboard/amd/gardenia/gpio.h
+++ b/src/mainboard/amd/gardenia/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/amd/gardenia/irq_tables.c b/src/mainboard/amd/gardenia/irq_tables.c
index 761fd060a3..8a8cacf0f4 100644
--- a/src/mainboard/amd/gardenia/irq_tables.c
+++ b/src/mainboard/amd/gardenia/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/amd/gardenia/mainboard.c b/src/mainboard/amd/gardenia/mainboard.c
index 01c7061607..fcbac2fb9f 100644
--- a/src/mainboard/amd/gardenia/mainboard.c
+++ b/src/mainboard/amd/gardenia/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/amd/gardenia/mptable.c b/src/mainboard/amd/gardenia/mptable.c
index 130a728483..008639a2cf 100644
--- a/src/mainboard/amd/gardenia/mptable.c
+++ b/src/mainboard/amd/gardenia/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/ioapic.h>
diff --git a/src/mainboard/amd/gardenia/romstage.c b/src/mainboard/amd/gardenia/romstage.c
index 979facc851..9f66ee0731 100644
--- a/src/mainboard/amd/gardenia/romstage.c
+++ b/src/mainboard/amd/gardenia/romstage.c
@@ -1,13 +1,2 @@
-/*
- * This file is part of the 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. */
diff --git a/src/mainboard/amd/inagua/BiosCallOuts.c b/src/mainboard/amd/inagua/BiosCallOuts.c
index f88929a94c..1efe3621d7 100644
--- a/src/mainboard/amd/inagua/BiosCallOuts.c
+++ b/src/mainboard/amd/inagua/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 <amdlib.h>
diff --git a/src/mainboard/amd/inagua/OemCustomize.c b/src/mainboard/amd/inagua/OemCustomize.c
index 4e02ba0155..ae52246ffd 100644
--- a/src/mainboard/amd/inagua/OemCustomize.c
+++ b/src/mainboard/amd/inagua/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>
diff --git a/src/mainboard/amd/inagua/OptionsIds.h b/src/mainboard/amd/inagua/OptionsIds.h
index b4fe940569..076c1c292d 100644
--- a/src/mainboard/amd/inagua/OptionsIds.h
+++ b/src/mainboard/amd/inagua/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/amd/inagua/acpi/gpe.asl b/src/mainboard/amd/inagua/acpi/gpe.asl
index af4e2e48b7..5788140112 100644
--- a/src/mainboard/amd/inagua/acpi/gpe.asl
+++ b/src/mainboard/amd/inagua/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/amd/inagua/acpi/ide.asl b/src/mainboard/amd/inagua/acpi/ide.asl
index 6286ade685..c5f09809bd 100644
--- a/src/mainboard/amd/inagua/acpi/ide.asl
+++ b/src/mainboard/amd/inagua/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. */
 
 /*
 Scope (_SB) {
diff --git a/src/mainboard/amd/inagua/acpi/mainboard.asl b/src/mainboard/amd/inagua/acpi/mainboard.asl
index 3d4abb5d7b..86d8e53910 100644
--- a/src/mainboard/amd/inagua/acpi/mainboard.asl
+++ b/src/mainboard/amd/inagua/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/amd/inagua/acpi/routing.asl b/src/mainboard/amd/inagua/acpi/routing.asl
index 51215f5de6..88024a73f2 100644
--- a/src/mainboard/amd/inagua/acpi/routing.asl
+++ b/src/mainboard/amd/inagua/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/amd/inagua/acpi/sata.asl b/src/mainboard/amd/inagua/acpi/sata.asl
index 9729500d48..04d1b75395 100644
--- a/src/mainboard/amd/inagua/acpi/sata.asl
+++ b/src/mainboard/amd/inagua/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. */
 
 /* simple name description */
 
diff --git a/src/mainboard/amd/inagua/acpi/sleep.asl b/src/mainboard/amd/inagua/acpi/sleep.asl
index 08144ff427..0c973a4a0c 100644
--- a/src/mainboard/amd/inagua/acpi/sleep.asl
+++ b/src/mainboard/amd/inagua/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/amd/inagua/acpi/usb_oc.asl b/src/mainboard/amd/inagua/acpi/usb_oc.asl
index 5b22875dd1..27a737c730 100644
--- a/src/mainboard/amd/inagua/acpi/usb_oc.asl
+++ b/src/mainboard/amd/inagua/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/amd/inagua/acpi_tables.c b/src/mainboard/amd/inagua/acpi_tables.c
index 9e3032474e..02afbdbc5a 100644
--- a/src/mainboard/amd/inagua/acpi_tables.c
+++ b/src/mainboard/amd/inagua/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/amd/inagua/bootblock.c b/src/mainboard/amd/inagua/bootblock.c
index 711d075e19..0a18ca9826 100644
--- a/src/mainboard/amd/inagua/bootblock.c
+++ b/src/mainboard/amd/inagua/bootblock.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <bootblock_common.h>
 #include <superio/smsc/kbc1100/kbc1100.h>
diff --git a/src/mainboard/amd/inagua/buildOpts.c b/src/mainboard/amd/inagua/buildOpts.c
index 6ef93c750d..512c22446b 100644
--- a/src/mainboard/amd/inagua/buildOpts.c
+++ b/src/mainboard/amd/inagua/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/amd/inagua/dsdt.asl b/src/mainboard/amd/inagua/dsdt.asl
index 13df85b261..ca149ba600 100644
--- a/src/mainboard/amd/inagua/dsdt.asl
+++ b/src/mainboard/amd/inagua/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/amd/inagua/irq_tables.c b/src/mainboard/amd/inagua/irq_tables.c
index f962314546..c9f8f2776b 100644
--- a/src/mainboard/amd/inagua/irq_tables.c
+++ b/src/mainboard/amd/inagua/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/amd/inagua/mainboard.c b/src/mainboard/amd/inagua/mainboard.c
index 87c26024b2..140528ddd8 100644
--- a/src/mainboard/amd/inagua/mainboard.c
+++ b/src/mainboard/amd/inagua/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 <amdblocks/acpimmio.h>
 #include <console/console.h>
diff --git a/src/mainboard/amd/inagua/mptable.c b/src/mainboard/amd/inagua/mptable.c
index e49ccf172f..20e249df83 100644
--- a/src/mainboard/amd/inagua/mptable.c
+++ b/src/mainboard/amd/inagua/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/amd/inagua/platform_cfg.h b/src/mainboard/amd/inagua/platform_cfg.h
index f1898e257d..28b8df077c 100644
--- a/src/mainboard/amd/inagua/platform_cfg.h
+++ b/src/mainboard/amd/inagua/platform_cfg.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 _PLATFORM_CFG_H_
diff --git a/src/mainboard/amd/olivehill/BiosCallOuts.c b/src/mainboard/amd/olivehill/BiosCallOuts.c
index c86a22722c..5202c4360f 100644
--- a/src/mainboard/amd/olivehill/BiosCallOuts.c
+++ b/src/mainboard/amd/olivehill/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/amd/olivehill/OemCustomize.c b/src/mainboard/amd/olivehill/OemCustomize.c
index e207c0303a..e261171cb2 100644
--- a/src/mainboard/amd/olivehill/OemCustomize.c
+++ b/src/mainboard/amd/olivehill/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/amd/olivehill/OptionsIds.h b/src/mainboard/amd/olivehill/OptionsIds.h
index bf0588d00f..a7e18bb651 100644
--- a/src/mainboard/amd/olivehill/OptionsIds.h
+++ b/src/mainboard/amd/olivehill/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/amd/olivehill/acpi/gpe.asl b/src/mainboard/amd/olivehill/acpi/gpe.asl
index 72bcf765c3..4e66be0e9c 100644
--- a/src/mainboard/amd/olivehill/acpi/gpe.asl
+++ b/src/mainboard/amd/olivehill/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/amd/olivehill/acpi/ide.asl b/src/mainboard/amd/olivehill/acpi/ide.asl
index e17d93befd..85237670a2 100644
--- a/src/mainboard/amd/olivehill/acpi/ide.asl
+++ b/src/mainboard/amd/olivehill/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/amd/olivehill/acpi/mainboard.asl b/src/mainboard/amd/olivehill/acpi/mainboard.asl
index 837292b76d..e94c9f593c 100644
--- a/src/mainboard/amd/olivehill/acpi/mainboard.asl
+++ b/src/mainboard/amd/olivehill/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/amd/olivehill/acpi/routing.asl b/src/mainboard/amd/olivehill/acpi/routing.asl
index 0411c2a6b7..7167de7477 100644
--- a/src/mainboard/amd/olivehill/acpi/routing.asl
+++ b/src/mainboard/amd/olivehill/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/amd/olivehill/acpi/sata.asl b/src/mainboard/amd/olivehill/acpi/sata.asl
index 00d855adb0..864eb9e07c 100644
--- a/src/mainboard/amd/olivehill/acpi/sata.asl
+++ b/src/mainboard/amd/olivehill/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/amd/olivehill/acpi/si.asl b/src/mainboard/amd/olivehill/acpi/si.asl
index 0f8d8b1f7f..3a9e84f904 100644
--- a/src/mainboard/amd/olivehill/acpi/si.asl
+++ b/src/mainboard/amd/olivehill/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/amd/olivehill/acpi/sleep.asl b/src/mainboard/amd/olivehill/acpi/sleep.asl
index 9f1f4c72de..118e8b6439 100644
--- a/src/mainboard/amd/olivehill/acpi/sleep.asl
+++ b/src/mainboard/amd/olivehill/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/amd/olivehill/acpi/usb_oc.asl b/src/mainboard/amd/olivehill/acpi/usb_oc.asl
index 7ceb70ce04..4ea18f54b8 100644
--- a/src/mainboard/amd/olivehill/acpi/usb_oc.asl
+++ b/src/mainboard/amd/olivehill/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/amd/olivehill/acpi_tables.c b/src/mainboard/amd/olivehill/acpi_tables.c
index a40e86fe00..243a4a621d 100644
--- a/src/mainboard/amd/olivehill/acpi_tables.c
+++ b/src/mainboard/amd/olivehill/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/amd/olivehill/bootblock.c b/src/mainboard/amd/olivehill/bootblock.c
index d1f8d606e4..8a8a319629 100644
--- a/src/mainboard/amd/olivehill/bootblock.c
+++ b/src/mainboard/amd/olivehill/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/amd/olivehill/buildOpts.c b/src/mainboard/amd/olivehill/buildOpts.c
index 0b89298b9d..335d759a13 100644
--- a/src/mainboard/amd/olivehill/buildOpts.c
+++ b/src/mainboard/amd/olivehill/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/amd/olivehill/dsdt.asl b/src/mainboard/amd/olivehill/dsdt.asl
index 15b241f897..1b822e60ba 100644
--- a/src/mainboard/amd/olivehill/dsdt.asl
+++ b/src/mainboard/amd/olivehill/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/amd/olivehill/irq_tables.c b/src/mainboard/amd/olivehill/irq_tables.c
index 5f0654ad1e..b8077ff8c1 100644
--- a/src/mainboard/amd/olivehill/irq_tables.c
+++ b/src/mainboard/amd/olivehill/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/amd/olivehill/mainboard.c b/src/mainboard/amd/olivehill/mainboard.c
index b3e47f8ec3..963f8949f3 100644
--- a/src/mainboard/amd/olivehill/mainboard.c
+++ b/src/mainboard/amd/olivehill/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/amd/olivehill/mptable.c b/src/mainboard/amd/olivehill/mptable.c
index 6e1d402833..73e6cc4e7d 100644
--- a/src/mainboard/amd/olivehill/mptable.c
+++ b/src/mainboard/amd/olivehill/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/amd/padmelon/BiosCallOuts.c b/src/mainboard/amd/padmelon/BiosCallOuts.c
index 9ba0a63c8f..c50fefdf17 100644
--- a/src/mainboard/amd/padmelon/BiosCallOuts.c
+++ b/src/mainboard/amd/padmelon/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 <amdblocks/BiosCallOuts.h>
 
diff --git a/src/mainboard/amd/padmelon/BiosCallOuts.h b/src/mainboard/amd/padmelon/BiosCallOuts.h
index 661aa5a7ed..48e42ce85c 100644
--- a/src/mainboard/amd/padmelon/BiosCallOuts.h
+++ b/src/mainboard/amd/padmelon/BiosCallOuts.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. */
 
 #define FAN_INPUT_INTERNAL_DIODE	0
 #define FAN_INPUT_TEMP0			1
diff --git a/src/mainboard/amd/padmelon/OemCustomize.c b/src/mainboard/amd/padmelon/OemCustomize.c
index 099f41f6d6..074fbffa69 100644
--- a/src/mainboard/amd/padmelon/OemCustomize.c
+++ b/src/mainboard/amd/padmelon/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 <chip.h>
 #include <amdblocks/agesawrapper.h>
diff --git a/src/mainboard/amd/padmelon/acpi/gpe.asl b/src/mainboard/amd/padmelon/acpi/gpe.asl
index e306202b07..3fd653ed40 100644
--- a/src/mainboard/amd/padmelon/acpi/gpe.asl
+++ b/src/mainboard/amd/padmelon/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/amd/padmelon/acpi/mainboard.asl b/src/mainboard/amd/padmelon/acpi/mainboard.asl
index b74b07c2be..30299db10e 100644
--- a/src/mainboard/amd/padmelon/acpi/mainboard.asl
+++ b/src/mainboard/amd/padmelon/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/amd/padmelon/acpi/routing.asl b/src/mainboard/amd/padmelon/acpi/routing.asl
index b99befab25..fcc65a68b9 100644
--- a/src/mainboard/amd/padmelon/acpi/routing.asl
+++ b/src/mainboard/amd/padmelon/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/amd/padmelon/acpi/sleep.asl b/src/mainboard/amd/padmelon/acpi/sleep.asl
index b23f09d779..9b0e09597b 100644
--- a/src/mainboard/amd/padmelon/acpi/sleep.asl
+++ b/src/mainboard/amd/padmelon/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/amd/padmelon/acpi/usb_oc.asl b/src/mainboard/amd/padmelon/acpi/usb_oc.asl
index e1dc35d969..fb88faa56b 100644
--- a/src/mainboard/amd/padmelon/acpi/usb_oc.asl
+++ b/src/mainboard/amd/padmelon/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/amd/padmelon/bootblock/OemCustomize.c b/src/mainboard/amd/padmelon/bootblock/OemCustomize.c
index 469b93733c..3a16d56f1d 100644
--- a/src/mainboard/amd/padmelon/bootblock/OemCustomize.c
+++ b/src/mainboard/amd/padmelon/bootblock/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 <amdblocks/agesawrapper.h>
 
diff --git a/src/mainboard/amd/padmelon/bootblock/bootblock.c b/src/mainboard/amd/padmelon/bootblock/bootblock.c
index e6bd7d792b..df6e5919ec 100644
--- a/src/mainboard/amd/padmelon/bootblock/bootblock.c
+++ b/src/mainboard/amd/padmelon/bootblock/bootblock.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <bootblock_common.h>
 #include <soc/southbridge.h>
diff --git a/src/mainboard/amd/padmelon/dsdt.asl b/src/mainboard/amd/padmelon/dsdt.asl
index 0e45e0784d..aa8c2c3009 100644
--- a/src/mainboard/amd/padmelon/dsdt.asl
+++ b/src/mainboard/amd/padmelon/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/amd/padmelon/fan_init.c b/src/mainboard/amd/padmelon/fan_init.c
index b6cfd230d3..398057c953 100644
--- a/src/mainboard/amd/padmelon/fan_init.c
+++ b/src/mainboard/amd/padmelon/fan_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 <bootstate.h>
 #include <superio/fintek/common/fan_control.h>
diff --git a/src/mainboard/amd/padmelon/gpio.c b/src/mainboard/amd/padmelon/gpio.c
index ea031bd074..81602313ed 100644
--- a/src/mainboard/amd/padmelon/gpio.c
+++ b/src/mainboard/amd/padmelon/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 <amdblocks/agesawrapper.h>
 #include <amdblocks/BiosCallOuts.h>
diff --git a/src/mainboard/amd/padmelon/gpio.h b/src/mainboard/amd/padmelon/gpio.h
index d95390c352..774502a96f 100644
--- a/src/mainboard/amd/padmelon/gpio.h
+++ b/src/mainboard/amd/padmelon/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/amd/padmelon/mainboard.c b/src/mainboard/amd/padmelon/mainboard.c
index 4aae6c44de..7edd3bef45 100644
--- a/src/mainboard/amd/padmelon/mainboard.c
+++ b/src/mainboard/amd/padmelon/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/amd/parmer/BiosCallOuts.c b/src/mainboard/amd/parmer/BiosCallOuts.c
index 690dcb294c..7020c6546d 100644
--- a/src/mainboard/amd/parmer/BiosCallOuts.c
+++ b/src/mainboard/amd/parmer/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/amd/parmer/OemCustomize.c b/src/mainboard/amd/parmer/OemCustomize.c
index 2ca9481a67..208f8b0919 100644
--- a/src/mainboard/amd/parmer/OemCustomize.c
+++ b/src/mainboard/amd/parmer/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/amd/parmer/OptionsIds.h b/src/mainboard/amd/parmer/OptionsIds.h
index bf0588d00f..a7e18bb651 100644
--- a/src/mainboard/amd/parmer/OptionsIds.h
+++ b/src/mainboard/amd/parmer/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/amd/parmer/acpi/gpe.asl b/src/mainboard/amd/parmer/acpi/gpe.asl
index f8e34a8995..2e62f8e10c 100644
--- a/src/mainboard/amd/parmer/acpi/gpe.asl
+++ b/src/mainboard/amd/parmer/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/amd/parmer/acpi/mainboard.asl b/src/mainboard/amd/parmer/acpi/mainboard.asl
index e97cdecfcc..f4330cd21f 100644
--- a/src/mainboard/amd/parmer/acpi/mainboard.asl
+++ b/src/mainboard/amd/parmer/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/amd/parmer/acpi/routing.asl b/src/mainboard/amd/parmer/acpi/routing.asl
index 10b197221a..6c5acf3b04 100644
--- a/src/mainboard/amd/parmer/acpi/routing.asl
+++ b/src/mainboard/amd/parmer/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/amd/parmer/acpi/si.asl b/src/mainboard/amd/parmer/acpi/si.asl
index cc27e983e1..e46f267284 100644
--- a/src/mainboard/amd/parmer/acpi/si.asl
+++ b/src/mainboard/amd/parmer/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/amd/parmer/acpi/sleep.asl b/src/mainboard/amd/parmer/acpi/sleep.asl
index d5a1f683a8..c65979df55 100644
--- a/src/mainboard/amd/parmer/acpi/sleep.asl
+++ b/src/mainboard/amd/parmer/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/amd/parmer/acpi/usb_oc.asl b/src/mainboard/amd/parmer/acpi/usb_oc.asl
index e1dc35d969..fb88faa56b 100644
--- a/src/mainboard/amd/parmer/acpi/usb_oc.asl
+++ b/src/mainboard/amd/parmer/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/amd/parmer/acpi_tables.c b/src/mainboard/amd/parmer/acpi_tables.c
index be2669eeb8..3eb63c8920 100644
--- a/src/mainboard/amd/parmer/acpi_tables.c
+++ b/src/mainboard/amd/parmer/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/amd/parmer/bootblock.c b/src/mainboard/amd/parmer/bootblock.c
index 01587d079c..78141dc9e2 100644
--- a/src/mainboard/amd/parmer/bootblock.c
+++ b/src/mainboard/amd/parmer/bootblock.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <bootblock_common.h>
 #include <device/pci_ops.h>
diff --git a/src/mainboard/amd/parmer/buildOpts.c b/src/mainboard/amd/parmer/buildOpts.c
index 6f74eac801..f3ed24ff75 100644
--- a/src/mainboard/amd/parmer/buildOpts.c
+++ b/src/mainboard/amd/parmer/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/amd/parmer/dsdt.asl b/src/mainboard/amd/parmer/dsdt.asl
index 459d18f05f..20e550f157 100644
--- a/src/mainboard/amd/parmer/dsdt.asl
+++ b/src/mainboard/amd/parmer/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/amd/parmer/irq_tables.c b/src/mainboard/amd/parmer/irq_tables.c
index 5f0654ad1e..b8077ff8c1 100644
--- a/src/mainboard/amd/parmer/irq_tables.c
+++ b/src/mainboard/amd/parmer/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/amd/parmer/mainboard.c b/src/mainboard/amd/parmer/mainboard.c
index 79954aceef..ee8f49f7a7 100644
--- a/src/mainboard/amd/parmer/mainboard.c
+++ b/src/mainboard/amd/parmer/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/amd/parmer/mptable.c b/src/mainboard/amd/parmer/mptable.c
index 8ffd517fe7..38009d0a50 100644
--- a/src/mainboard/amd/parmer/mptable.c
+++ b/src/mainboard/amd/parmer/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/amd/persimmon/BiosCallOuts.c b/src/mainboard/amd/persimmon/BiosCallOuts.c
index 152860fad2..8734bfe625 100644
--- a/src/mainboard/amd/persimmon/BiosCallOuts.c
+++ b/src/mainboard/amd/persimmon/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 <amdlib.h>
diff --git a/src/mainboard/amd/persimmon/OemCustomize.c b/src/mainboard/amd/persimmon/OemCustomize.c
index 7249a16a56..3ed6e3652f 100644
--- a/src/mainboard/amd/persimmon/OemCustomize.c
+++ b/src/mainboard/amd/persimmon/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>
diff --git a/src/mainboard/amd/persimmon/OptionsIds.h b/src/mainboard/amd/persimmon/OptionsIds.h
index b4fe940569..076c1c292d 100644
--- a/src/mainboard/amd/persimmon/OptionsIds.h
+++ b/src/mainboard/amd/persimmon/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/amd/persimmon/acpi/gpe.asl b/src/mainboard/amd/persimmon/acpi/gpe.asl
index af4e2e48b7..5788140112 100644
--- a/src/mainboard/amd/persimmon/acpi/gpe.asl
+++ b/src/mainboard/amd/persimmon/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/amd/persimmon/acpi/ide.asl b/src/mainboard/amd/persimmon/acpi/ide.asl
index 6286ade685..c5f09809bd 100644
--- a/src/mainboard/amd/persimmon/acpi/ide.asl
+++ b/src/mainboard/amd/persimmon/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. */
 
 /*
 Scope (_SB) {
diff --git a/src/mainboard/amd/persimmon/acpi/mainboard.asl b/src/mainboard/amd/persimmon/acpi/mainboard.asl
index 3d4abb5d7b..86d8e53910 100644
--- a/src/mainboard/amd/persimmon/acpi/mainboard.asl
+++ b/src/mainboard/amd/persimmon/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/amd/persimmon/acpi/routing.asl b/src/mainboard/amd/persimmon/acpi/routing.asl
index 70c5da5ef0..d7dc69a34d 100644
--- a/src/mainboard/amd/persimmon/acpi/routing.asl
+++ b/src/mainboard/amd/persimmon/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/amd/persimmon/acpi/sata.asl b/src/mainboard/amd/persimmon/acpi/sata.asl
index 9729500d48..04d1b75395 100644
--- a/src/mainboard/amd/persimmon/acpi/sata.asl
+++ b/src/mainboard/amd/persimmon/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. */
 
 /* simple name description */
 
diff --git a/src/mainboard/amd/persimmon/acpi/sleep.asl b/src/mainboard/amd/persimmon/acpi/sleep.asl
index 08144ff427..0c973a4a0c 100644
--- a/src/mainboard/amd/persimmon/acpi/sleep.asl
+++ b/src/mainboard/amd/persimmon/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/amd/persimmon/acpi/superio.asl b/src/mainboard/amd/persimmon/acpi/superio.asl
index daf6e9177b..21fdfe9e95 100644
--- a/src/mainboard/amd/persimmon/acpi/superio.asl
+++ b/src/mainboard/amd/persimmon/acpi/superio.asl
@@ -1,14 +1,4 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License 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 Super I/O device or functionality yet */
diff --git a/src/mainboard/amd/persimmon/acpi/usb_oc.asl b/src/mainboard/amd/persimmon/acpi/usb_oc.asl
index 5b22875dd1..27a737c730 100644
--- a/src/mainboard/amd/persimmon/acpi/usb_oc.asl
+++ b/src/mainboard/amd/persimmon/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/amd/persimmon/acpi_tables.c b/src/mainboard/amd/persimmon/acpi_tables.c
index 9e3032474e..02afbdbc5a 100644
--- a/src/mainboard/amd/persimmon/acpi_tables.c
+++ b/src/mainboard/amd/persimmon/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/amd/persimmon/bootblock.c b/src/mainboard/amd/persimmon/bootblock.c
index 4afb0970c5..b0bb317799 100644
--- a/src/mainboard/amd/persimmon/bootblock.c
+++ b/src/mainboard/amd/persimmon/bootblock.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <bootblock_common.h>
 #include <superio/fintek/common/fintek.h>
diff --git a/src/mainboard/amd/persimmon/buildOpts.c b/src/mainboard/amd/persimmon/buildOpts.c
index ceb6b8869b..8c97f07cf3 100644
--- a/src/mainboard/amd/persimmon/buildOpts.c
+++ b/src/mainboard/amd/persimmon/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/amd/persimmon/dsdt.asl b/src/mainboard/amd/persimmon/dsdt.asl
index 13df85b261..ca149ba600 100644
--- a/src/mainboard/amd/persimmon/dsdt.asl
+++ b/src/mainboard/amd/persimmon/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/amd/persimmon/irq_tables.c b/src/mainboard/amd/persimmon/irq_tables.c
index f962314546..c9f8f2776b 100644
--- a/src/mainboard/amd/persimmon/irq_tables.c
+++ b/src/mainboard/amd/persimmon/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/amd/persimmon/mainboard.c b/src/mainboard/amd/persimmon/mainboard.c
index 218024134a..c3df3213a3 100644
--- a/src/mainboard/amd/persimmon/mainboard.c
+++ b/src/mainboard/amd/persimmon/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 <amdblocks/acpimmio.h>
 #include <console/console.h>
diff --git a/src/mainboard/amd/persimmon/mptable.c b/src/mainboard/amd/persimmon/mptable.c
index 7b8476db20..e932f93257 100644
--- a/src/mainboard/amd/persimmon/mptable.c
+++ b/src/mainboard/amd/persimmon/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 <stdint.h>
diff --git a/src/mainboard/amd/persimmon/platform_cfg.h b/src/mainboard/amd/persimmon/platform_cfg.h
index 212c4bdcae..8e78f480bd 100644
--- a/src/mainboard/amd/persimmon/platform_cfg.h
+++ b/src/mainboard/amd/persimmon/platform_cfg.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 _PLATFORM_CFG_H_
diff --git a/src/mainboard/amd/south_station/BiosCallOuts.c b/src/mainboard/amd/south_station/BiosCallOuts.c
index 751822b682..acdbb62ab9 100644
--- a/src/mainboard/amd/south_station/BiosCallOuts.c
+++ b/src/mainboard/amd/south_station/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 <amdlib.h>
diff --git a/src/mainboard/amd/south_station/OemCustomize.c b/src/mainboard/amd/south_station/OemCustomize.c
index 722d74976d..7887402526 100644
--- a/src/mainboard/amd/south_station/OemCustomize.c
+++ b/src/mainboard/amd/south_station/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>
diff --git a/src/mainboard/amd/south_station/OptionsIds.h b/src/mainboard/amd/south_station/OptionsIds.h
index b4fe940569..076c1c292d 100644
--- a/src/mainboard/amd/south_station/OptionsIds.h
+++ b/src/mainboard/amd/south_station/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/amd/south_station/acpi/gpe.asl b/src/mainboard/amd/south_station/acpi/gpe.asl
index c8ff6ea30c..fb0db3ab8b 100644
--- a/src/mainboard/amd/south_station/acpi/gpe.asl
+++ b/src/mainboard/amd/south_station/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/amd/south_station/acpi/ide.asl b/src/mainboard/amd/south_station/acpi/ide.asl
index 6286ade685..c5f09809bd 100644
--- a/src/mainboard/amd/south_station/acpi/ide.asl
+++ b/src/mainboard/amd/south_station/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. */
 
 /*
 Scope (_SB) {
diff --git a/src/mainboard/amd/south_station/acpi/mainboard.asl b/src/mainboard/amd/south_station/acpi/mainboard.asl
index 3d4abb5d7b..86d8e53910 100644
--- a/src/mainboard/amd/south_station/acpi/mainboard.asl
+++ b/src/mainboard/amd/south_station/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/amd/south_station/acpi/routing.asl b/src/mainboard/amd/south_station/acpi/routing.asl
index 51215f5de6..88024a73f2 100644
--- a/src/mainboard/amd/south_station/acpi/routing.asl
+++ b/src/mainboard/amd/south_station/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/amd/south_station/acpi/sata.asl b/src/mainboard/amd/south_station/acpi/sata.asl
index 9729500d48..04d1b75395 100644
--- a/src/mainboard/amd/south_station/acpi/sata.asl
+++ b/src/mainboard/amd/south_station/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. */
 
 /* simple name description */
 
diff --git a/src/mainboard/amd/south_station/acpi/sleep.asl b/src/mainboard/amd/south_station/acpi/sleep.asl
index f54fe2a9b7..5b059d4cbe 100644
--- a/src/mainboard/amd/south_station/acpi/sleep.asl
+++ b/src/mainboard/amd/south_station/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/amd/south_station/acpi/usb_oc.asl b/src/mainboard/amd/south_station/acpi/usb_oc.asl
index 8112d85ee3..b38f7fd2a6 100644
--- a/src/mainboard/amd/south_station/acpi/usb_oc.asl
+++ b/src/mainboard/amd/south_station/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/amd/south_station/acpi_tables.c b/src/mainboard/amd/south_station/acpi_tables.c
index 9e3032474e..02afbdbc5a 100644
--- a/src/mainboard/amd/south_station/acpi_tables.c
+++ b/src/mainboard/amd/south_station/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/amd/south_station/bootblock.c b/src/mainboard/amd/south_station/bootblock.c
index 4afb0970c5..b0bb317799 100644
--- a/src/mainboard/amd/south_station/bootblock.c
+++ b/src/mainboard/amd/south_station/bootblock.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <bootblock_common.h>
 #include <superio/fintek/common/fintek.h>
diff --git a/src/mainboard/amd/south_station/buildOpts.c b/src/mainboard/amd/south_station/buildOpts.c
index e6e3e8e9d4..7bcb93b59a 100644
--- a/src/mainboard/amd/south_station/buildOpts.c
+++ b/src/mainboard/amd/south_station/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/amd/south_station/dsdt.asl b/src/mainboard/amd/south_station/dsdt.asl
index 13df85b261..ca149ba600 100644
--- a/src/mainboard/amd/south_station/dsdt.asl
+++ b/src/mainboard/amd/south_station/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/amd/south_station/irq_tables.c b/src/mainboard/amd/south_station/irq_tables.c
index f962314546..c9f8f2776b 100644
--- a/src/mainboard/amd/south_station/irq_tables.c
+++ b/src/mainboard/amd/south_station/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/amd/south_station/mainboard.c b/src/mainboard/amd/south_station/mainboard.c
index 0e86c739d7..7fc3a9092e 100644
--- a/src/mainboard/amd/south_station/mainboard.c
+++ b/src/mainboard/amd/south_station/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 <amdblocks/acpimmio.h>
 #include <console/console.h>
diff --git a/src/mainboard/amd/south_station/mptable.c b/src/mainboard/amd/south_station/mptable.c
index 5f1413dc37..87747b76aa 100644
--- a/src/mainboard/amd/south_station/mptable.c
+++ b/src/mainboard/amd/south_station/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/amd/south_station/platform_cfg.h b/src/mainboard/amd/south_station/platform_cfg.h
index f1898e257d..28b8df077c 100644
--- a/src/mainboard/amd/south_station/platform_cfg.h
+++ b/src/mainboard/amd/south_station/platform_cfg.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 _PLATFORM_CFG_H_
diff --git a/src/mainboard/amd/thatcher/BiosCallOuts.c b/src/mainboard/amd/thatcher/BiosCallOuts.c
index 77ae68a2a8..21ffa05395 100644
--- a/src/mainboard/amd/thatcher/BiosCallOuts.c
+++ b/src/mainboard/amd/thatcher/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/amd/thatcher/OemCustomize.c b/src/mainboard/amd/thatcher/OemCustomize.c
index 3133c9ef99..69a8528556 100644
--- a/src/mainboard/amd/thatcher/OemCustomize.c
+++ b/src/mainboard/amd/thatcher/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/amd/thatcher/OptionsIds.h b/src/mainboard/amd/thatcher/OptionsIds.h
index bf0588d00f..a7e18bb651 100644
--- a/src/mainboard/amd/thatcher/OptionsIds.h
+++ b/src/mainboard/amd/thatcher/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/amd/thatcher/acpi/cpstate.asl b/src/mainboard/amd/thatcher/acpi/cpstate.asl
index 4a49f6baf2..86361521a2 100644
--- a/src/mainboard/amd/thatcher/acpi/cpstate.asl
+++ b/src/mainboard/amd/thatcher/acpi/cpstate.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. */
 
 /* This file defines the processor and performance state capability
  * for each core in the system.  It is included into the DSDT for each
diff --git a/src/mainboard/amd/thatcher/acpi/gpe.asl b/src/mainboard/amd/thatcher/acpi/gpe.asl
index f8e34a8995..2e62f8e10c 100644
--- a/src/mainboard/amd/thatcher/acpi/gpe.asl
+++ b/src/mainboard/amd/thatcher/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/amd/thatcher/acpi/mainboard.asl b/src/mainboard/amd/thatcher/acpi/mainboard.asl
index e97cdecfcc..f4330cd21f 100644
--- a/src/mainboard/amd/thatcher/acpi/mainboard.asl
+++ b/src/mainboard/amd/thatcher/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/amd/thatcher/acpi/routing.asl b/src/mainboard/amd/thatcher/acpi/routing.asl
index 10b197221a..6c5acf3b04 100644
--- a/src/mainboard/amd/thatcher/acpi/routing.asl
+++ b/src/mainboard/amd/thatcher/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/amd/thatcher/acpi/si.asl b/src/mainboard/amd/thatcher/acpi/si.asl
index cc27e983e1..e46f267284 100644
--- a/src/mainboard/amd/thatcher/acpi/si.asl
+++ b/src/mainboard/amd/thatcher/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/amd/thatcher/acpi/sleep.asl b/src/mainboard/amd/thatcher/acpi/sleep.asl
index 1d86801d94..46fd0c7e63 100644
--- a/src/mainboard/amd/thatcher/acpi/sleep.asl
+++ b/src/mainboard/amd/thatcher/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/amd/thatcher/acpi/usb_oc.asl b/src/mainboard/amd/thatcher/acpi/usb_oc.asl
index e1dc35d969..fb88faa56b 100644
--- a/src/mainboard/amd/thatcher/acpi/usb_oc.asl
+++ b/src/mainboard/amd/thatcher/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/amd/thatcher/acpi_tables.c b/src/mainboard/amd/thatcher/acpi_tables.c
index be2669eeb8..3eb63c8920 100644
--- a/src/mainboard/amd/thatcher/acpi_tables.c
+++ b/src/mainboard/amd/thatcher/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/amd/thatcher/bootblock.c b/src/mainboard/amd/thatcher/bootblock.c
index d25102541c..9afafaf6ca 100644
--- a/src/mainboard/amd/thatcher/bootblock.c
+++ b/src/mainboard/amd/thatcher/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/amd/thatcher/buildOpts.c b/src/mainboard/amd/thatcher/buildOpts.c
index 417548bf78..23eb0a1716 100644
--- a/src/mainboard/amd/thatcher/buildOpts.c
+++ b/src/mainboard/amd/thatcher/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/amd/thatcher/dsdt.asl b/src/mainboard/amd/thatcher/dsdt.asl
index 459d18f05f..20e550f157 100644
--- a/src/mainboard/amd/thatcher/dsdt.asl
+++ b/src/mainboard/amd/thatcher/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/amd/thatcher/irq_tables.c b/src/mainboard/amd/thatcher/irq_tables.c
index 5f0654ad1e..b8077ff8c1 100644
--- a/src/mainboard/amd/thatcher/irq_tables.c
+++ b/src/mainboard/amd/thatcher/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/amd/thatcher/mainboard.c b/src/mainboard/amd/thatcher/mainboard.c
index 7218afabea..b481c09f07 100644
--- a/src/mainboard/amd/thatcher/mainboard.c
+++ b/src/mainboard/amd/thatcher/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/amd/thatcher/mptable.c b/src/mainboard/amd/thatcher/mptable.c
index e23b0171da..7d15eb3d80 100644
--- a/src/mainboard/amd/thatcher/mptable.c
+++ b/src/mainboard/amd/thatcher/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/amd/union_station/BiosCallOuts.c b/src/mainboard/amd/union_station/BiosCallOuts.c
index 3175f4c3e8..fc31ed023d 100644
--- a/src/mainboard/amd/union_station/BiosCallOuts.c
+++ b/src/mainboard/amd/union_station/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 <amdlib.h>
diff --git a/src/mainboard/amd/union_station/OemCustomize.c b/src/mainboard/amd/union_station/OemCustomize.c
index 8192510da4..57004f13b9 100644
--- a/src/mainboard/amd/union_station/OemCustomize.c
+++ b/src/mainboard/amd/union_station/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/amd/union_station/OptionsIds.h b/src/mainboard/amd/union_station/OptionsIds.h
index b4fe940569..076c1c292d 100644
--- a/src/mainboard/amd/union_station/OptionsIds.h
+++ b/src/mainboard/amd/union_station/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/amd/union_station/acpi/gpe.asl b/src/mainboard/amd/union_station/acpi/gpe.asl
index c8ff6ea30c..fb0db3ab8b 100644
--- a/src/mainboard/amd/union_station/acpi/gpe.asl
+++ b/src/mainboard/amd/union_station/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/amd/union_station/acpi/ide.asl b/src/mainboard/amd/union_station/acpi/ide.asl
index 6286ade685..c5f09809bd 100644
--- a/src/mainboard/amd/union_station/acpi/ide.asl
+++ b/src/mainboard/amd/union_station/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. */
 
 /*
 Scope (_SB) {
diff --git a/src/mainboard/amd/union_station/acpi/mainboard.asl b/src/mainboard/amd/union_station/acpi/mainboard.asl
index 3d4abb5d7b..86d8e53910 100644
--- a/src/mainboard/amd/union_station/acpi/mainboard.asl
+++ b/src/mainboard/amd/union_station/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/amd/union_station/acpi/routing.asl b/src/mainboard/amd/union_station/acpi/routing.asl
index 51215f5de6..88024a73f2 100644
--- a/src/mainboard/amd/union_station/acpi/routing.asl
+++ b/src/mainboard/amd/union_station/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/amd/union_station/acpi/sata.asl b/src/mainboard/amd/union_station/acpi/sata.asl
index 9729500d48..04d1b75395 100644
--- a/src/mainboard/amd/union_station/acpi/sata.asl
+++ b/src/mainboard/amd/union_station/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. */
 
 /* simple name description */
 
diff --git a/src/mainboard/amd/union_station/acpi/sleep.asl b/src/mainboard/amd/union_station/acpi/sleep.asl
index f54fe2a9b7..5b059d4cbe 100644
--- a/src/mainboard/amd/union_station/acpi/sleep.asl
+++ b/src/mainboard/amd/union_station/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/amd/union_station/acpi/usb_oc.asl b/src/mainboard/amd/union_station/acpi/usb_oc.asl
index 8112d85ee3..b38f7fd2a6 100644
--- a/src/mainboard/amd/union_station/acpi/usb_oc.asl
+++ b/src/mainboard/amd/union_station/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/amd/union_station/acpi_tables.c b/src/mainboard/amd/union_station/acpi_tables.c
index 9e3032474e..02afbdbc5a 100644
--- a/src/mainboard/amd/union_station/acpi_tables.c
+++ b/src/mainboard/amd/union_station/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/amd/union_station/bootblock.c b/src/mainboard/amd/union_station/bootblock.c
index ec565a8c7f..fea6a69264 100644
--- a/src/mainboard/amd/union_station/bootblock.c
+++ b/src/mainboard/amd/union_station/bootblock.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <bootblock_common.h>
 
diff --git a/src/mainboard/amd/union_station/buildOpts.c b/src/mainboard/amd/union_station/buildOpts.c
index e6e3e8e9d4..7bcb93b59a 100644
--- a/src/mainboard/amd/union_station/buildOpts.c
+++ b/src/mainboard/amd/union_station/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/amd/union_station/dsdt.asl b/src/mainboard/amd/union_station/dsdt.asl
index 13df85b261..ca149ba600 100644
--- a/src/mainboard/amd/union_station/dsdt.asl
+++ b/src/mainboard/amd/union_station/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/amd/union_station/irq_tables.c b/src/mainboard/amd/union_station/irq_tables.c
index f962314546..c9f8f2776b 100644
--- a/src/mainboard/amd/union_station/irq_tables.c
+++ b/src/mainboard/amd/union_station/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/amd/union_station/mainboard.c b/src/mainboard/amd/union_station/mainboard.c
index 2c7626a5d1..c649ef6ad2 100644
--- a/src/mainboard/amd/union_station/mainboard.c
+++ b/src/mainboard/amd/union_station/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 <amdblocks/acpimmio.h>
 #include <console/console.h>
diff --git a/src/mainboard/amd/union_station/mptable.c b/src/mainboard/amd/union_station/mptable.c
index 5f1413dc37..87747b76aa 100644
--- a/src/mainboard/amd/union_station/mptable.c
+++ b/src/mainboard/amd/union_station/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/amd/union_station/platform_cfg.h b/src/mainboard/amd/union_station/platform_cfg.h
index f1898e257d..28b8df077c 100644
--- a/src/mainboard/amd/union_station/platform_cfg.h
+++ b/src/mainboard/amd/union_station/platform_cfg.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 _PLATFORM_CFG_H_