src/southbridge: Use SPDX for GPL-2.0-only files

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

Change-Id: I5b00b3e38edda90f35f0679cd4171a3499288f24
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40059
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>

108 files changed, 216 insertions, 1422 deletions

diff --git a/src/southbridge/amd/agesa/hudson/acpi/AmdImc.asl b/src/southbridge/amd/agesa/hudson/acpi/AmdImc.asl
index 89189b8de9..4571314c66 100644
--- a/src/southbridge/amd/agesa/hudson/acpi/AmdImc.asl
+++ b/src/southbridge/amd/agesa/hudson/acpi/AmdImc.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. */
 
 OperationRegion(IMIO, SystemIO, 0x3E, 0x02)
 Field(IMIO , ByteAcc, NoLock, Preserve) {
diff --git a/src/southbridge/amd/agesa/hudson/acpi/audio.asl b/src/southbridge/amd/agesa/hudson/acpi/audio.asl
index bac56b0d50..2c27046353 100644
--- a/src/southbridge/amd/agesa/hudson/acpi/audio.asl
+++ b/src/southbridge/amd/agesa/hudson/acpi/audio.asl
@@ -1,17 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 Device(AZHD) {	/* 0:14.2 - HD Audio */
 	Name(_ADR, 0x00140002)
diff --git a/src/southbridge/amd/agesa/hudson/acpi/fch.asl b/src/southbridge/amd/agesa/hudson/acpi/fch.asl
index d77503281e..1c0b0b8084 100644
--- a/src/southbridge/amd/agesa/hudson/acpi/fch.asl
+++ b/src/southbridge/amd/agesa/hudson/acpi/fch.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. */
 
 /* System Bus */
 /*  _SB.PCI0 */
diff --git a/src/southbridge/amd/agesa/hudson/acpi/lpc.asl b/src/southbridge/amd/agesa/hudson/acpi/lpc.asl
index adb98ffc89..a09f166cda 100644
--- a/src/southbridge/amd/agesa/hudson/acpi/lpc.asl
+++ b/src/southbridge/amd/agesa/hudson/acpi/lpc.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. */
 
 /* 0:14.3 - LPC */
 Device(LIBR) {
diff --git a/src/southbridge/amd/agesa/hudson/acpi/pci_int.asl b/src/southbridge/amd/agesa/hudson/acpi/pci_int.asl
index 17e1deaf57..e326063918 100644
--- a/src/southbridge/amd/agesa/hudson/acpi/pci_int.asl
+++ b/src/southbridge/amd/agesa/hudson/acpi/pci_int.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. */
 
 	/* PCIe Configuration Space for CONFIG_MMCONF_BUS_NUMBER busses */
 	OperationRegion(PCFG, SystemMemory, PCBA, PCLN) /* Each bus consumes 1MB */
diff --git a/src/southbridge/amd/agesa/hudson/acpi/pcie.asl b/src/southbridge/amd/agesa/hudson/acpi/pcie.asl
index 9faee36194..fb25373a69 100644
--- a/src/southbridge/amd/agesa/hudson/acpi/pcie.asl
+++ b/src/southbridge/amd/agesa/hudson/acpi/pcie.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. */
 
 	/* PCI IRQ mapping registers, C00h-C01h. */
 	OperationRegion(PRQM, SystemIO, 0x00000C00, 0x00000002)
diff --git a/src/southbridge/amd/agesa/hudson/acpi/usb.asl b/src/southbridge/amd/agesa/hudson/acpi/usb.asl
index 0e0f982611..51b8afb804 100644
--- a/src/southbridge/amd/agesa/hudson/acpi/usb.asl
+++ b/src/southbridge/amd/agesa/hudson/acpi/usb.asl
@@ -1,17 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 /* 0:12.0 - OHCI */
 Device(UOH1) {
diff --git a/src/southbridge/amd/agesa/hudson/amd_pci_int_defs.h b/src/southbridge/amd/agesa/hudson/amd_pci_int_defs.h
index 9385088789..f5e01dd70f 100644
--- a/src/southbridge/amd/agesa/hudson/amd_pci_int_defs.h
+++ b/src/southbridge/amd/agesa/hudson/amd_pci_int_defs.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 AMD_PCI_INT_DEFS_H
 #define AMD_PCI_INT_DEFS_H
diff --git a/src/southbridge/amd/agesa/hudson/amd_pci_int_types.h b/src/southbridge/amd/agesa/hudson/amd_pci_int_types.h
index 5fb231610a..32a7d47d69 100644
--- a/src/southbridge/amd/agesa/hudson/amd_pci_int_types.h
+++ b/src/southbridge/amd/agesa/hudson/amd_pci_int_types.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 AMD_PCI_INT_TYPES_H
 #define AMD_PCI_INT_TYPES_H
diff --git a/src/southbridge/amd/agesa/hudson/bootblock.c b/src/southbridge/amd/agesa/hudson/bootblock.c
index c8605fecd7..e103bc4325 100644
--- a/src/southbridge/amd/agesa/hudson/bootblock.c
+++ b/src/southbridge/amd/agesa/hudson/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 <stdint.h>
 #include <arch/bootblock.h>
diff --git a/src/southbridge/amd/agesa/hudson/chip.h b/src/southbridge/amd/agesa/hudson/chip.h
index 926f88f620..36c4e86289 100644
--- a/src/southbridge/amd/agesa/hudson/chip.h
+++ b/src/southbridge/amd/agesa/hudson/chip.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 HUDSON_CHIP_H
 #define HUDSON_CHIP_H
diff --git a/src/southbridge/amd/agesa/hudson/early_setup.c b/src/southbridge/amd/agesa/hudson/early_setup.c
index c83fe535b8..a4399c9b2d 100644
--- a/src/southbridge/amd/agesa/hudson/early_setup.c
+++ b/src/southbridge/amd/agesa/hudson/early_setup.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. */
 
 #ifndef _HUDSON_EARLY_SETUP_C_
 #define _HUDSON_EARLY_SETUP_C_
diff --git a/src/southbridge/amd/agesa/hudson/enable_usbdebug.c b/src/southbridge/amd/agesa/hudson/enable_usbdebug.c
index 067ba9b880..58c2d05a45 100644
--- a/src/southbridge/amd/agesa/hudson/enable_usbdebug.c
+++ b/src/southbridge/amd/agesa/hudson/enable_usbdebug.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. */
 
 // Use simple device model for this file even in ramstage
 #define __SIMPLE_DEVICE__
diff --git a/src/southbridge/amd/agesa/hudson/fadt.c b/src/southbridge/amd/agesa/hudson/fadt.c
index 4fe7f91458..0baaa9c5c8 100644
--- a/src/southbridge/amd/agesa/hudson/fadt.c
+++ b/src/southbridge/amd/agesa/hudson/fadt.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 /*
  * ACPI - create the Fixed ACPI Description Tables (FADT)
diff --git a/src/southbridge/amd/agesa/hudson/hda.c b/src/southbridge/amd/agesa/hudson/hda.c
index 3acbdf0fc4..d03694c2ab 100644
--- a/src/southbridge/amd/agesa/hudson/hda.c
+++ b/src/southbridge/amd/agesa/hudson/hda.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/device.h>
 #include <device/pci.h>
diff --git a/src/southbridge/amd/agesa/hudson/hudson.c b/src/southbridge/amd/agesa/hudson/hudson.c
index 99f581f2e2..ca6b46b58a 100644
--- a/src/southbridge/amd/agesa/hudson/hudson.c
+++ b/src/southbridge/amd/agesa/hudson/hudson.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/southbridge/amd/agesa/hudson/hudson.h b/src/southbridge/amd/agesa/hudson/hudson.h
index bd9250a42b..9377c97d45 100644
--- a/src/southbridge/amd/agesa/hudson/hudson.h
+++ b/src/southbridge/amd/agesa/hudson/hudson.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 HUDSON_H
 #define HUDSON_H
diff --git a/src/southbridge/amd/agesa/hudson/ide.c b/src/southbridge/amd/agesa/hudson/ide.c
index 69d95912d8..76e5ead8e4 100644
--- a/src/southbridge/amd/agesa/hudson/ide.c
+++ b/src/southbridge/amd/agesa/hudson/ide.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/device.h>
 #include <device/pci.h>
diff --git a/src/southbridge/amd/agesa/hudson/imc.c b/src/southbridge/amd/agesa/hudson/imc.c
index 9bc12eba9d..cbad2c969a 100644
--- a/src/southbridge/amd/agesa/hudson/imc.c
+++ b/src/southbridge/amd/agesa/hudson/imc.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 "imc.h"
 #include <amdblocks/acpimmio.h>
diff --git a/src/southbridge/amd/agesa/hudson/imc.h b/src/southbridge/amd/agesa/hudson/imc.h
index 434bd28226..33c46d6840 100644
--- a/src/southbridge/amd/agesa/hudson/imc.h
+++ b/src/southbridge/amd/agesa/hudson/imc.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 HUDSON_IMC_H
 #define HUDSON_IMC_H
diff --git a/src/southbridge/amd/agesa/hudson/lpc.c b/src/southbridge/amd/agesa/hudson/lpc.c
index b6a8494362..0b579842a6 100644
--- a/src/southbridge/amd/agesa/hudson/lpc.c
+++ b/src/southbridge/amd/agesa/hudson/lpc.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/southbridge/amd/agesa/hudson/pci.c b/src/southbridge/amd/agesa/hudson/pci.c
index e8f316a1dd..cacc59d926 100644
--- a/src/southbridge/amd/agesa/hudson/pci.c
+++ b/src/southbridge/amd/agesa/hudson/pci.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/device.h>
 #include <device/pci.h>
diff --git a/src/southbridge/amd/agesa/hudson/pci_devs.h b/src/southbridge/amd/agesa/hudson/pci_devs.h
index 97892db9c9..ff38669195 100644
--- a/src/southbridge/amd/agesa/hudson/pci_devs.h
+++ b/src/southbridge/amd/agesa/hudson/pci_devs.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 _AGESA_HUDSON_PCI_DEVS_H_
 #define _AGESA_HUDSON_PCI_DEVS_H_
diff --git a/src/southbridge/amd/agesa/hudson/pcie.c b/src/southbridge/amd/agesa/hudson/pcie.c
index b4329639ec..ccd687abea 100644
--- a/src/southbridge/amd/agesa/hudson/pcie.c
+++ b/src/southbridge/amd/agesa/hudson/pcie.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/device.h>
 #include <device/pci.h>
diff --git a/src/southbridge/amd/agesa/hudson/ramtop.c b/src/southbridge/amd/agesa/hudson/ramtop.c
index 33ffb9ae4c..46ce0cf07b 100644
--- a/src/southbridge/amd/agesa/hudson/ramtop.c
+++ b/src/southbridge/amd/agesa/hudson/ramtop.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <stdint.h>
 #include <arch/io.h>
diff --git a/src/southbridge/amd/agesa/hudson/reset.c b/src/southbridge/amd/agesa/hudson/reset.c
index c1043342d7..2d90ae2aca 100644
--- a/src/southbridge/amd/agesa/hudson/reset.c
+++ b/src/southbridge/amd/agesa/hudson/reset.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. */
 
 // Use simple device model for this file even in ramstage
 #define __SIMPLE_DEVICE__
diff --git a/src/southbridge/amd/agesa/hudson/resume.c b/src/southbridge/amd/agesa/hudson/resume.c
index 7f2c06d21d..99c94b6da7 100644
--- a/src/southbridge/amd/agesa/hudson/resume.c
+++ b/src/southbridge/amd/agesa/hudson/resume.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 <Proc/Fch/FchPlatform.h>
 #include <Proc/Fch/Fch.h>
diff --git a/src/southbridge/amd/agesa/hudson/sata.c b/src/southbridge/amd/agesa/hudson/sata.c
index 2ca85913f3..fcf27c63c8 100644
--- a/src/southbridge/amd/agesa/hudson/sata.c
+++ b/src/southbridge/amd/agesa/hudson/sata.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/device.h>
 #include <device/pci.h>
diff --git a/src/southbridge/amd/agesa/hudson/sd.c b/src/southbridge/amd/agesa/hudson/sd.c
index 0da763172f..3d5eb29f50 100644
--- a/src/southbridge/amd/agesa/hudson/sd.c
+++ b/src/southbridge/amd/agesa/hudson/sd.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/device.h>
 #include <device/pci.h>
diff --git a/src/southbridge/amd/agesa/hudson/sm.c b/src/southbridge/amd/agesa/hudson/sm.c
index ec10a41647..f4e2652cdc 100644
--- a/src/southbridge/amd/agesa/hudson/sm.c
+++ b/src/southbridge/amd/agesa/hudson/sm.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/device.h>
 #include <device/pci.h>
diff --git a/src/southbridge/amd/agesa/hudson/smbus.c b/src/southbridge/amd/agesa/hudson/smbus.c
index 8a97667c31..1c71c87948 100644
--- a/src/southbridge/amd/agesa/hudson/smbus.c
+++ b/src/southbridge/amd/agesa/hudson/smbus.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. */
 
 #ifndef _HUDSON_SMBUS_C_
 #define _HUDSON_SMBUS_C_
diff --git a/src/southbridge/amd/agesa/hudson/smbus.h b/src/southbridge/amd/agesa/hudson/smbus.h
index 555210410f..5b7621e43f 100644
--- a/src/southbridge/amd/agesa/hudson/smbus.h
+++ b/src/southbridge/amd/agesa/hudson/smbus.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 HUDSON_SMBUS_H
 #define HUDSON_SMBUS_H
diff --git a/src/southbridge/amd/agesa/hudson/smbus_spd.c b/src/southbridge/amd/agesa/hudson/smbus_spd.c
index 7adee8a399..14bec8c3ab 100644
--- a/src/southbridge/amd/agesa/hudson/smbus_spd.c
+++ b/src/southbridge/amd/agesa/hudson/smbus_spd.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 <device/pci_def.h>
diff --git a/src/southbridge/amd/agesa/hudson/spi.c b/src/southbridge/amd/agesa/hudson/spi.c
index a2b5a559e5..f6625b944d 100644
--- a/src/southbridge/amd/agesa/hudson/spi.c
+++ b/src/southbridge/amd/agesa/hudson/spi.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 #include <stdint.h>
 #include <device/mmio.h>
 #include <console/console.h>
diff --git a/src/southbridge/amd/agesa/hudson/usb.c b/src/southbridge/amd/agesa/hudson/usb.c
index c634830064..2657555964 100644
--- a/src/southbridge/amd/agesa/hudson/usb.c
+++ b/src/southbridge/amd/agesa/hudson/usb.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/device.h>
 #include <device/pci.h>
diff --git a/src/southbridge/amd/cimx/sb800/Amd.h b/src/southbridge/amd/cimx/sb800/Amd.h
index 47afc33889..8f91863e9b 100644
--- a/src/southbridge/amd/cimx/sb800/Amd.h
+++ b/src/southbridge/amd/cimx/sb800/Amd.h
@@ -8,24 +8,8 @@
  * Contains AMD AGESA/CIMx core interface
  *
  */
-/*
- *****************************************************************************
- *
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  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 _AMD_H_
 #define _AMD_H_
diff --git a/src/southbridge/amd/cimx/sb800/AmdSbLib.h b/src/southbridge/amd/cimx/sb800/AmdSbLib.h
index 82485b9b04..30cd71e3c3 100644
--- a/src/southbridge/amd/cimx/sb800/AmdSbLib.h
+++ b/src/southbridge/amd/cimx/sb800/AmdSbLib.h
@@ -1,20 +1,5 @@
-/*
- *****************************************************************************
- *
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  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 _AMD_SB_LIB_H_
 #define _AMD_SB_LIB_H_
diff --git a/src/southbridge/amd/cimx/sb800/SBPLATFORM.h b/src/southbridge/amd/cimx/sb800/SBPLATFORM.h
index 596f711d4c..1addeea00c 100644
--- a/src/southbridge/amd/cimx/sb800/SBPLATFORM.h
+++ b/src/southbridge/amd/cimx/sb800/SBPLATFORM.h
@@ -1,20 +1,5 @@
-/*
- *****************************************************************************
- *
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  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 _AMD_SBPLATFORM_H_
 #define _AMD_SBPLATFORM_H_
diff --git a/src/southbridge/amd/cimx/sb800/acpi/audio.asl b/src/southbridge/amd/cimx/sb800/acpi/audio.asl
index 79490883f0..bca944cc08 100644
--- a/src/southbridge/amd/cimx/sb800/acpi/audio.asl
+++ b/src/southbridge/amd/cimx/sb800/acpi/audio.asl
@@ -1,17 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 Device(AZHD) {
 	Name(_ADR, 0x00140002)
diff --git a/src/southbridge/amd/cimx/sb800/acpi/fch.asl b/src/southbridge/amd/cimx/sb800/acpi/fch.asl
index 4c11644fc4..af9d491e31 100644
--- a/src/southbridge/amd/cimx/sb800/acpi/fch.asl
+++ b/src/southbridge/amd/cimx/sb800/acpi/fch.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. */
 
 /* System Bus */
 /*  _SB.PCI0 */
diff --git a/src/southbridge/amd/cimx/sb800/acpi/lpc.asl b/src/southbridge/amd/cimx/sb800/acpi/lpc.asl
index 7d602ba214..41e77646d5 100644
--- a/src/southbridge/amd/cimx/sb800/acpi/lpc.asl
+++ b/src/southbridge/amd/cimx/sb800/acpi/lpc.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. */
 
 Device(LIBR) {
 	Name(_ADR, 0x00140003)
diff --git a/src/southbridge/amd/cimx/sb800/acpi/pcie.asl b/src/southbridge/amd/cimx/sb800/acpi/pcie.asl
index c341e2335d..45b2821aef 100644
--- a/src/southbridge/amd/cimx/sb800/acpi/pcie.asl
+++ b/src/southbridge/amd/cimx/sb800/acpi/pcie.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(\) {
 	/* PCI IRQ mapping registers, C00h-C01h. */
diff --git a/src/southbridge/amd/cimx/sb800/acpi/smbus.asl b/src/southbridge/amd/cimx/sb800/acpi/smbus.asl
index 206ee05ce5..2d9fd3c29d 100644
--- a/src/southbridge/amd/cimx/sb800/acpi/smbus.asl
+++ b/src/southbridge/amd/cimx/sb800/acpi/smbus.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. */
 
 /* SMBUS Support */
 Mutex (SBX0, 0x00)
diff --git a/src/southbridge/amd/cimx/sb800/acpi/usb.asl b/src/southbridge/amd/cimx/sb800/acpi/usb.asl
index a7a702d09c..1d555d8785 100644
--- a/src/southbridge/amd/cimx/sb800/acpi/usb.asl
+++ b/src/southbridge/amd/cimx/sb800/acpi/usb.asl
@@ -1,17 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 Device(UOH1) {
 	Name(_ADR, 0x00120000)
diff --git a/src/southbridge/amd/cimx/sb800/amd_pci_int_defs.h b/src/southbridge/amd/cimx/sb800/amd_pci_int_defs.h
index e312d1fd6b..6f7393b529 100644
--- a/src/southbridge/amd/cimx/sb800/amd_pci_int_defs.h
+++ b/src/southbridge/amd/cimx/sb800/amd_pci_int_defs.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 AMD_PCI_INT_DEFS_H
 #define AMD_PCI_INT_DEFS_H
diff --git a/src/southbridge/amd/cimx/sb800/amd_pci_int_types.h b/src/southbridge/amd/cimx/sb800/amd_pci_int_types.h
index d7072dcdd2..db6015e305 100644
--- a/src/southbridge/amd/cimx/sb800/amd_pci_int_types.h
+++ b/src/southbridge/amd/cimx/sb800/amd_pci_int_types.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 AMD_PCI_INT_TYPES_H
 #define AMD_PCI_INT_TYPES_H
diff --git a/src/southbridge/amd/cimx/sb800/bootblock.c b/src/southbridge/amd/cimx/sb800/bootblock.c
index 45a861b297..7a1d05bf17 100644
--- a/src/southbridge/amd/cimx/sb800/bootblock.c
+++ b/src/southbridge/amd/cimx/sb800/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 <amdblocks/acpimmio.h>
 #include <arch/bootblock.h>
diff --git a/src/southbridge/amd/cimx/sb800/cfg.c b/src/southbridge/amd/cimx/sb800/cfg.c
index 8d815366fa..cf7f3f5fa5 100644
--- a/src/southbridge/amd/cimx/sb800/cfg.c
+++ b/src/southbridge/amd/cimx/sb800/cfg.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 "SBPLATFORM.h"
 #include "cfg.h"
diff --git a/src/southbridge/amd/cimx/sb800/cfg.h b/src/southbridge/amd/cimx/sb800/cfg.h
index b169648bf3..514755c3f6 100644
--- a/src/southbridge/amd/cimx/sb800/cfg.h
+++ b/src/southbridge/amd/cimx/sb800/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 _SB800_CFG_H_
diff --git a/src/southbridge/amd/cimx/sb800/chip.h b/src/southbridge/amd/cimx/sb800/chip.h
index 9bd0c54599..bb4b2dbf15 100644
--- a/src/southbridge/amd/cimx/sb800/chip.h
+++ b/src/southbridge/amd/cimx/sb800/chip.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 _CIMX_SB800_CHIP_H_
 #define _CIMX_SB800_CHIP_H_
diff --git a/src/southbridge/amd/cimx/sb800/early.c b/src/southbridge/amd/cimx/sb800/early.c
index d5d0ab04dc..7399b0f595 100644
--- a/src/southbridge/amd/cimx/sb800/early.c
+++ b/src/southbridge/amd/cimx/sb800/early.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <stdint.h>
 #include <amdblocks/acpimmio.h>
diff --git a/src/southbridge/amd/cimx/sb800/fadt.c b/src/southbridge/amd/cimx/sb800/fadt.c
index 08fbecb554..5cb1695c85 100644
--- a/src/southbridge/amd/cimx/sb800/fadt.c
+++ b/src/southbridge/amd/cimx/sb800/fadt.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  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/southbridge/amd/cimx/sb800/fan.c b/src/southbridge/amd/cimx/sb800/fan.c
index 2da6716901..48aeddbae5 100644
--- a/src/southbridge/amd/cimx/sb800/fan.c
+++ b/src/southbridge/amd/cimx/sb800/fan.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 <device/device.h>
diff --git a/src/southbridge/amd/cimx/sb800/fan.h b/src/southbridge/amd/cimx/sb800/fan.h
index b2a3556dc3..523d63690b 100644
--- a/src/southbridge/amd/cimx/sb800/fan.h
+++ b/src/southbridge/amd/cimx/sb800/fan.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 _SB800_FAN_H_
 #define _SB800_FAN_H_
diff --git a/src/southbridge/amd/cimx/sb800/gpio_oem.h b/src/southbridge/amd/cimx/sb800/gpio_oem.h
index 9063b2b36b..3313a0fc27 100644
--- a/src/southbridge/amd/cimx/sb800/gpio_oem.h
+++ b/src/southbridge/amd/cimx/sb800/gpio_oem.h
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  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 _CIMX_SB_GPIO_OEM_H_
 #define _CIMX_SB_GPIO_OEM_H_
diff --git a/src/southbridge/amd/cimx/sb800/late.c b/src/southbridge/amd/cimx/sb800/late.c
index f8773fcd10..babc21ef3f 100644
--- a/src/southbridge/amd/cimx/sb800/late.c
+++ b/src/southbridge/amd/cimx/sb800/late.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 <device/mmio.h>
diff --git a/src/southbridge/amd/cimx/sb800/lpc.c b/src/southbridge/amd/cimx/sb800/lpc.c
index cb2b266f95..3f0ff7fea3 100644
--- a/src/southbridge/amd/cimx/sb800/lpc.c
+++ b/src/southbridge/amd/cimx/sb800/lpc.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.h>
diff --git a/src/southbridge/amd/cimx/sb800/lpc.h b/src/southbridge/amd/cimx/sb800/lpc.h
index f992e2d60e..bab25b1918 100644
--- a/src/southbridge/amd/cimx/sb800/lpc.h
+++ b/src/southbridge/amd/cimx/sb800/lpc.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 _SB800_LPC_H_
 #define _SB800_LPC_H_
diff --git a/src/southbridge/amd/cimx/sb800/pci_devs.h b/src/southbridge/amd/cimx/sb800/pci_devs.h
index 38faff6384..5122179b5a 100644
--- a/src/southbridge/amd/cimx/sb800/pci_devs.h
+++ b/src/southbridge/amd/cimx/sb800/pci_devs.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 _CIMX_SB800_PCI_DEVS_H_
 #define _CIMX_SB800_PCI_DEVS_H_
diff --git a/src/southbridge/amd/cimx/sb800/ramtop.c b/src/southbridge/amd/cimx/sb800/ramtop.c
index 76e5d674e1..25259eeacf 100644
--- a/src/southbridge/amd/cimx/sb800/ramtop.c
+++ b/src/southbridge/amd/cimx/sb800/ramtop.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <stdint.h>
 #include <arch/io.h>
diff --git a/src/southbridge/amd/cimx/sb800/reset.c b/src/southbridge/amd/cimx/sb800/reset.c
index 7ea6e6f9ab..8c2a2ed58f 100644
--- a/src/southbridge/amd/cimx/sb800/reset.c
+++ b/src/southbridge/amd/cimx/sb800/reset.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. */
 
 // Use simple device model for this file even in ramstage
 #define __SIMPLE_DEVICE__
diff --git a/src/southbridge/amd/cimx/sb800/sb_cimx.h b/src/southbridge/amd/cimx/sb800/sb_cimx.h
index 62d76a7e4d..c1e9808631 100644
--- a/src/southbridge/amd/cimx/sb800/sb_cimx.h
+++ b/src/southbridge/amd/cimx/sb800/sb_cimx.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 _CIMX_H_
diff --git a/src/southbridge/amd/cimx/sb800/smbus.c b/src/southbridge/amd/cimx/sb800/smbus.c
index 4e9f7b68e4..c3183951f7 100644
--- a/src/southbridge/amd/cimx/sb800/smbus.c
+++ b/src/southbridge/amd/cimx/sb800/smbus.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 
 #include <arch/io.h>
diff --git a/src/southbridge/amd/cimx/sb800/smbus.h b/src/southbridge/amd/cimx/sb800/smbus.h
index 6bfb8e9ca4..8db378ca23 100644
--- a/src/southbridge/amd/cimx/sb800/smbus.h
+++ b/src/southbridge/amd/cimx/sb800/smbus.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 _SB800_SMBUS_H_
 #define _SB800_SMBUS_H_
diff --git a/src/southbridge/amd/cimx/sb800/smbus_spd.c b/src/southbridge/amd/cimx/sb800/smbus_spd.c
index e1bcb50615..0644b67fb4 100644
--- a/src/southbridge/amd/cimx/sb800/smbus_spd.c
+++ b/src/southbridge/amd/cimx/sb800/smbus_spd.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/pci_def.h>
 #include <device/device.h>
diff --git a/src/southbridge/amd/cimx/sb800/smbus_spd.h b/src/southbridge/amd/cimx/sb800/smbus_spd.h
index 20d57c2917..d9e20b91ef 100644
--- a/src/southbridge/amd/cimx/sb800/smbus_spd.h
+++ b/src/southbridge/amd/cimx/sb800/smbus_spd.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 _SMBUS_SPD_H_
 #define _SMBUS_SPD_H_
diff --git a/src/southbridge/amd/cimx/sb800/spi.c b/src/southbridge/amd/cimx/sb800/spi.c
index 7e30e75ac5..db2cbfbac1 100644
--- a/src/southbridge/amd/cimx/sb800/spi.c
+++ b/src/southbridge/amd/cimx/sb800/spi.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/mmio.h>
 #include <console/console.h>
diff --git a/src/southbridge/amd/common/acpi/sleepstates.asl b/src/southbridge/amd/common/acpi/sleepstates.asl
index 8de2108e84..26bf51eec8 100644
--- a/src/southbridge/amd/common/acpi/sleepstates.asl
+++ b/src/southbridge/amd/common/acpi/sleepstates.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. */
 
 /* S1 support: bit 0, S2 Support: bit 1, etc. S0 & S5 assumed */
 #if CONFIG(HAVE_ACPI_RESUME)
diff --git a/src/southbridge/amd/common/amd_defs.h b/src/southbridge/amd/common/amd_defs.h
index 52f9ad72d6..c5156f6eda 100644
--- a/src/southbridge/amd/common/amd_defs.h
+++ b/src/southbridge/amd/common/amd_defs.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 _AMD_SB_DEFS_H_
diff --git a/src/southbridge/amd/common/amd_pci_util.c b/src/southbridge/amd/common/amd_pci_util.c
index 3cd725e74a..33d4033bfe 100644
--- a/src/southbridge/amd/common/amd_pci_util.c
+++ b/src/southbridge/amd/common/amd_pci_util.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.h>
diff --git a/src/southbridge/amd/common/amd_pci_util.h b/src/southbridge/amd/common/amd_pci_util.h
index c665ace5d1..7e7e8a93f8 100644
--- a/src/southbridge/amd/common/amd_pci_util.h
+++ b/src/southbridge/amd/common/amd_pci_util.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 AMD_PCI_UTIL_H
 #define AMD_PCI_UTIL_H
diff --git a/src/southbridge/amd/common/reset.h b/src/southbridge/amd/common/reset.h
index 006dd8c04d..65badc588d 100644
--- a/src/southbridge/amd/common/reset.h
+++ b/src/southbridge/amd/common/reset.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 _AMD_SB_RESET_H_
 #define _AMD_SB_RESET_H_
diff --git a/src/southbridge/amd/pi/hudson/acpi/AmdImc.asl b/src/southbridge/amd/pi/hudson/acpi/AmdImc.asl
index 89189b8de9..4571314c66 100644
--- a/src/southbridge/amd/pi/hudson/acpi/AmdImc.asl
+++ b/src/southbridge/amd/pi/hudson/acpi/AmdImc.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. */
 
 OperationRegion(IMIO, SystemIO, 0x3E, 0x02)
 Field(IMIO , ByteAcc, NoLock, Preserve) {
diff --git a/src/southbridge/amd/pi/hudson/acpi/audio.asl b/src/southbridge/amd/pi/hudson/acpi/audio.asl
index bac56b0d50..2c27046353 100644
--- a/src/southbridge/amd/pi/hudson/acpi/audio.asl
+++ b/src/southbridge/amd/pi/hudson/acpi/audio.asl
@@ -1,17 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 Device(AZHD) {	/* 0:14.2 - HD Audio */
 	Name(_ADR, 0x00140002)
diff --git a/src/southbridge/amd/pi/hudson/acpi/fch.asl b/src/southbridge/amd/pi/hudson/acpi/fch.asl
index f0eb1fd1ec..8051442d34 100644
--- a/src/southbridge/amd/pi/hudson/acpi/fch.asl
+++ b/src/southbridge/amd/pi/hudson/acpi/fch.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. */
 
 /* System Bus */
 /*  _SB.PCI0 */
diff --git a/src/southbridge/amd/pi/hudson/acpi/lpc.asl b/src/southbridge/amd/pi/hudson/acpi/lpc.asl
index 001dd766cf..bc6003bc29 100644
--- a/src/southbridge/amd/pi/hudson/acpi/lpc.asl
+++ b/src/southbridge/amd/pi/hudson/acpi/lpc.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. */
 
 /* 0:14.3 - LPC */
 Device(LIBR) {
diff --git a/src/southbridge/amd/pi/hudson/acpi/pci_int.asl b/src/southbridge/amd/pi/hudson/acpi/pci_int.asl
index 17e1deaf57..e326063918 100644
--- a/src/southbridge/amd/pi/hudson/acpi/pci_int.asl
+++ b/src/southbridge/amd/pi/hudson/acpi/pci_int.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. */
 
 	/* PCIe Configuration Space for CONFIG_MMCONF_BUS_NUMBER busses */
 	OperationRegion(PCFG, SystemMemory, PCBA, PCLN) /* Each bus consumes 1MB */
diff --git a/src/southbridge/amd/pi/hudson/acpi/pcie.asl b/src/southbridge/amd/pi/hudson/acpi/pcie.asl
index bffae17969..e5ccca24ef 100644
--- a/src/southbridge/amd/pi/hudson/acpi/pcie.asl
+++ b/src/southbridge/amd/pi/hudson/acpi/pcie.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. */
 
 	/* PCI IRQ mapping registers, C00h-C01h. */
 	OperationRegion(PRQM, SystemIO, 0x00000C00, 0x00000002)
diff --git a/src/southbridge/amd/pi/hudson/acpi/usb.asl b/src/southbridge/amd/pi/hudson/acpi/usb.asl
index 914d9ae607..6463ec3412 100644
--- a/src/southbridge/amd/pi/hudson/acpi/usb.asl
+++ b/src/southbridge/amd/pi/hudson/acpi/usb.asl
@@ -1,17 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 /* 0:12.0 - OHCI */
 Device(UOH1) {
diff --git a/src/southbridge/amd/pi/hudson/amd_pci_int_defs.h b/src/southbridge/amd/pi/hudson/amd_pci_int_defs.h
index fd630ce13f..8bd67ed103 100644
--- a/src/southbridge/amd/pi/hudson/amd_pci_int_defs.h
+++ b/src/southbridge/amd/pi/hudson/amd_pci_int_defs.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 AMD_PCI_INT_DEFS_H
 #define AMD_PCI_INT_DEFS_H
diff --git a/src/southbridge/amd/pi/hudson/amd_pci_int_types.h b/src/southbridge/amd/pi/hudson/amd_pci_int_types.h
index 5682e88e29..57e143c3e0 100644
--- a/src/southbridge/amd/pi/hudson/amd_pci_int_types.h
+++ b/src/southbridge/amd/pi/hudson/amd_pci_int_types.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 AMD_PCI_INT_TYPES_H
 #define AMD_PCI_INT_TYPES_H
diff --git a/src/southbridge/amd/pi/hudson/bootblock.c b/src/southbridge/amd/pi/hudson/bootblock.c
index 9b71c7d47e..d0c3646fd5 100644
--- a/src/southbridge/amd/pi/hudson/bootblock.c
+++ b/src/southbridge/amd/pi/hudson/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 <stdint.h>
 #include <arch/bootblock.h>
diff --git a/src/southbridge/amd/pi/hudson/chip.h b/src/southbridge/amd/pi/hudson/chip.h
index 9de5cd1856..080ffa9dec 100644
--- a/src/southbridge/amd/pi/hudson/chip.h
+++ b/src/southbridge/amd/pi/hudson/chip.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 HUDSON_CHIP_H
 #define HUDSON_CHIP_H
diff --git a/src/southbridge/amd/pi/hudson/early_setup.c b/src/southbridge/amd/pi/hudson/early_setup.c
index 9d04d2775d..126a85c5da 100644
--- a/src/southbridge/amd/pi/hudson/early_setup.c
+++ b/src/southbridge/amd/pi/hudson/early_setup.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. */
 
 #ifndef _HUDSON_EARLY_SETUP_C_
 #define _HUDSON_EARLY_SETUP_C_
diff --git a/src/southbridge/amd/pi/hudson/enable_usbdebug.c b/src/southbridge/amd/pi/hudson/enable_usbdebug.c
index 8d9d7b8b22..c0f1fafa3d 100644
--- a/src/southbridge/amd/pi/hudson/enable_usbdebug.c
+++ b/src/southbridge/amd/pi/hudson/enable_usbdebug.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. */
 
 // Use simple device model for this file even in ramstage
 #define __SIMPLE_DEVICE__
diff --git a/src/southbridge/amd/pi/hudson/fadt.c b/src/southbridge/amd/pi/hudson/fadt.c
index 8573c8bf4c..15fd6bb0c9 100644
--- a/src/southbridge/amd/pi/hudson/fadt.c
+++ b/src/southbridge/amd/pi/hudson/fadt.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 /*
  * ACPI - create the Fixed ACPI Description Tables (FADT)
diff --git a/src/southbridge/amd/pi/hudson/fchec.h b/src/southbridge/amd/pi/hudson/fchec.h
index 04d0610a4b..1378c40e80 100644
--- a/src/southbridge/amd/pi/hudson/fchec.h
+++ b/src/southbridge/amd/pi/hudson/fchec.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 __AMD_HUDSON_FCHEC__
 #define __AMD_HUDSON_FCHEC__
diff --git a/src/southbridge/amd/pi/hudson/gpio.c b/src/southbridge/amd/pi/hudson/gpio.c
index fc8e60bae3..03f63dac37 100644
--- a/src/southbridge/amd/pi/hudson/gpio.c
+++ b/src/southbridge/amd/pi/hudson/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 <device/mmio.h>
 #include "gpio.h"
diff --git a/src/southbridge/amd/pi/hudson/gpio.h b/src/southbridge/amd/pi/hudson/gpio.h
index 0e3785a872..51dfe12870 100644
--- a/src/southbridge/amd/pi/hudson/gpio.h
+++ b/src/southbridge/amd/pi/hudson/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 _HUDSON_GPIO_H_
 #define _HUDSON_GPIO_H_
diff --git a/src/southbridge/amd/pi/hudson/hda.c b/src/southbridge/amd/pi/hudson/hda.c
index 49d1ddf9ff..ef2a341ea6 100644
--- a/src/southbridge/amd/pi/hudson/hda.c
+++ b/src/southbridge/amd/pi/hudson/hda.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/device.h>
 #include <device/pci.h>
diff --git a/src/southbridge/amd/pi/hudson/hudson.c b/src/southbridge/amd/pi/hudson/hudson.c
index 74020555a2..3a6b541733 100644
--- a/src/southbridge/amd/pi/hudson/hudson.c
+++ b/src/southbridge/amd/pi/hudson/hudson.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/southbridge/amd/pi/hudson/hudson.h b/src/southbridge/amd/pi/hudson/hudson.h
index 7c1044a006..c3d90341e0 100644
--- a/src/southbridge/amd/pi/hudson/hudson.h
+++ b/src/southbridge/amd/pi/hudson/hudson.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 HUDSON_H
 #define HUDSON_H
diff --git a/src/southbridge/amd/pi/hudson/ide.c b/src/southbridge/amd/pi/hudson/ide.c
index 69d95912d8..76e5ead8e4 100644
--- a/src/southbridge/amd/pi/hudson/ide.c
+++ b/src/southbridge/amd/pi/hudson/ide.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/device.h>
 #include <device/pci.h>
diff --git a/src/southbridge/amd/pi/hudson/imc.c b/src/southbridge/amd/pi/hudson/imc.c
index 8ae0b084ec..461dcb1cd6 100644
--- a/src/southbridge/amd/pi/hudson/imc.c
+++ b/src/southbridge/amd/pi/hudson/imc.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. */
 
 #define __SIMPLE_DEVICE__
 
diff --git a/src/southbridge/amd/pi/hudson/imc.h b/src/southbridge/amd/pi/hudson/imc.h
index 434bd28226..33c46d6840 100644
--- a/src/southbridge/amd/pi/hudson/imc.h
+++ b/src/southbridge/amd/pi/hudson/imc.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 HUDSON_IMC_H
 #define HUDSON_IMC_H
diff --git a/src/southbridge/amd/pi/hudson/lpc.c b/src/southbridge/amd/pi/hudson/lpc.c
index 239dda8e74..c50758256b 100644
--- a/src/southbridge/amd/pi/hudson/lpc.c
+++ b/src/southbridge/amd/pi/hudson/lpc.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/southbridge/amd/pi/hudson/pci.c b/src/southbridge/amd/pi/hudson/pci.c
index eec0180676..af5ebdb61d 100644
--- a/src/southbridge/amd/pi/hudson/pci.c
+++ b/src/southbridge/amd/pi/hudson/pci.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/device.h>
 #include <device/pci.h>
diff --git a/src/southbridge/amd/pi/hudson/pci_devs.h b/src/southbridge/amd/pi/hudson/pci_devs.h
index 7069fef55c..0a51a4f253 100644
--- a/src/southbridge/amd/pi/hudson/pci_devs.h
+++ b/src/southbridge/amd/pi/hudson/pci_devs.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 _PI_HUDSON_PCI_DEVS_H_
 #define _PI_HUDSON_PCI_DEVS_H_
diff --git a/src/southbridge/amd/pi/hudson/pcie.c b/src/southbridge/amd/pi/hudson/pcie.c
index b4329639ec..ccd687abea 100644
--- a/src/southbridge/amd/pi/hudson/pcie.c
+++ b/src/southbridge/amd/pi/hudson/pcie.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/device.h>
 #include <device/pci.h>
diff --git a/src/southbridge/amd/pi/hudson/reset.c b/src/southbridge/amd/pi/hudson/reset.c
index c1043342d7..2d90ae2aca 100644
--- a/src/southbridge/amd/pi/hudson/reset.c
+++ b/src/southbridge/amd/pi/hudson/reset.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. */
 
 // Use simple device model for this file even in ramstage
 #define __SIMPLE_DEVICE__
diff --git a/src/southbridge/amd/pi/hudson/sata.c b/src/southbridge/amd/pi/hudson/sata.c
index 58e0c57e5a..4a210d709d 100644
--- a/src/southbridge/amd/pi/hudson/sata.c
+++ b/src/southbridge/amd/pi/hudson/sata.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/device.h>
 #include <device/pci.h>
diff --git a/src/southbridge/amd/pi/hudson/sd.c b/src/southbridge/amd/pi/hudson/sd.c
index 01a23430ba..0a9baffdda 100644
--- a/src/southbridge/amd/pi/hudson/sd.c
+++ b/src/southbridge/amd/pi/hudson/sd.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/device.h>
 #include <device/pci.h>
diff --git a/src/southbridge/amd/pi/hudson/sm.c b/src/southbridge/amd/pi/hudson/sm.c
index fd36a6fcf1..7564008998 100644
--- a/src/southbridge/amd/pi/hudson/sm.c
+++ b/src/southbridge/amd/pi/hudson/sm.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/device.h>
 #include <device/pci.h>
diff --git a/src/southbridge/amd/pi/hudson/smbus.c b/src/southbridge/amd/pi/hudson/smbus.c
index 8a97667c31..1c71c87948 100644
--- a/src/southbridge/amd/pi/hudson/smbus.c
+++ b/src/southbridge/amd/pi/hudson/smbus.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. */
 
 #ifndef _HUDSON_SMBUS_C_
 #define _HUDSON_SMBUS_C_
diff --git a/src/southbridge/amd/pi/hudson/smbus.h b/src/southbridge/amd/pi/hudson/smbus.h
index 2a78ef5f2a..e138eff059 100644
--- a/src/southbridge/amd/pi/hudson/smbus.h
+++ b/src/southbridge/amd/pi/hudson/smbus.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 HUDSON_SMBUS_H
 #define HUDSON_SMBUS_H
diff --git a/src/southbridge/amd/pi/hudson/smbus_spd.c b/src/southbridge/amd/pi/hudson/smbus_spd.c
index d8910fd2c0..59dabdcf42 100644
--- a/src/southbridge/amd/pi/hudson/smbus_spd.c
+++ b/src/southbridge/amd/pi/hudson/smbus_spd.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/southbridge/amd/pi/hudson/uart.c b/src/southbridge/amd/pi/hudson/uart.c
index c803852144..b48af69678 100644
--- a/src/southbridge/amd/pi/hudson/uart.c
+++ b/src/southbridge/amd/pi/hudson/uart.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/uart.h>
 
diff --git a/src/southbridge/amd/pi/hudson/usb.c b/src/southbridge/amd/pi/hudson/usb.c
index e465c1484e..c882556b75 100644
--- a/src/southbridge/amd/pi/hudson/usb.c
+++ b/src/southbridge/amd/pi/hudson/usb.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <device/device.h>
 #include <device/pci.h>