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

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

Change-Id: I422d072a9ab3350e364004ba34911cd183fc6612
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40052
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

133 files changed, 268 insertions, 1774 deletions

diff --git a/src/ec/acpi/ec.asl b/src/ec/acpi/ec.asl
index f5b574b19646..edb4c3026218 100644
--- a/src/ec/acpi/ec.asl
+++ b/src/ec/acpi/ec.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. */
 
 /*
  * ACPI style embedded controller commands
diff --git a/src/ec/acpi/ec.c b/src/ec/acpi/ec.c
index 24926a7073e4..5ad49f9a63b6 100644
--- a/src/ec/acpi/ec.c
+++ b/src/ec/acpi/ec.c
@@ -1,17 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <console/console.h>
 #include <device/device.h>
diff --git a/src/ec/acpi/ec.h b/src/ec/acpi/ec.h
index 125ee61a9a70..0f7f679ea295 100644
--- a/src/ec/acpi/ec.h
+++ b/src/ec/acpi/ec.h
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #ifndef _EC_ACPI_H
 #define _EC_ACPI_H
diff --git a/src/ec/compal/ene932/acpi/ac.asl b/src/ec/compal/ene932/acpi/ac.asl
index 88330ea8fcae..5d9694561351 100644
--- a/src/ec/compal/ene932/acpi/ac.asl
+++ b/src/ec/compal/ene932/acpi/ac.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. */
 
 // Scope (EC0)
 
diff --git a/src/ec/compal/ene932/acpi/battery.asl b/src/ec/compal/ene932/acpi/battery.asl
index 878bcda0acc1..2014decdab43 100644
--- a/src/ec/compal/ene932/acpi/battery.asl
+++ b/src/ec/compal/ene932/acpi/battery.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. */
 
 // Scope (EC0)
 
diff --git a/src/ec/compal/ene932/acpi/ec.asl b/src/ec/compal/ene932/acpi/ec.asl
index 4db43f6e871b..fbf533d3f187 100644
--- a/src/ec/compal/ene932/acpi/ec.asl
+++ b/src/ec/compal/ene932/acpi/ec.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. */
 
 /*
  * The mainboard must define a PNOT method to handle power
diff --git a/src/ec/compal/ene932/acpi/superio.asl b/src/ec/compal/ene932/acpi/superio.asl
index 21d291683ed2..6cbe94f75fa1 100644
--- a/src/ec/compal/ene932/acpi/superio.asl
+++ b/src/ec/compal/ene932/acpi/superio.asl
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 // Scope is \_SB.PCI0.LPCB
 
diff --git a/src/ec/compal/ene932/chip.h b/src/ec/compal/ene932/chip.h
index 8dedfee83a23..1d11b74c4f49 100644
--- a/src/ec/compal/ene932/chip.h
+++ b/src/ec/compal/ene932/chip.h
@@ -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. */
 
 #ifndef _EC_COMPAL_ENE932_CHIP_H
 #define _EC_COMPAL_ENE932_CHIP_H
diff --git a/src/ec/compal/ene932/ec.c b/src/ec/compal/ene932/ec.c
index f6691cd6926a..8eebfa8c3aa4 100644
--- a/src/ec/compal/ene932/ec.c
+++ b/src/ec/compal/ene932/ec.c
@@ -1,17 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <console/console.h>
 #include <device/device.h>
diff --git a/src/ec/compal/ene932/ec.h b/src/ec/compal/ene932/ec.h
index ba78cdde24c7..fa3e3dc6e13a 100644
--- a/src/ec/compal/ene932/ec.h
+++ b/src/ec/compal/ene932/ec.h
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 /*
  * EC communication interface for COMPAL ENE932 Embedded Controller.
diff --git a/src/ec/ec.h b/src/ec/ec.h
index 2787b3a7523b..5b4858b11c22 100644
--- a/src/ec/ec.h
+++ b/src/ec/ec.h
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #ifndef EC_EC_H
 #define EC_EC_H
diff --git a/src/ec/google/chromeec/acpi/ac.asl b/src/ec/google/chromeec/acpi/ac.asl
index 024d4a8ba6dd..d2061c64a8ae 100644
--- a/src/ec/google/chromeec/acpi/ac.asl
+++ b/src/ec/google/chromeec/acpi/ac.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 (EC0)
 
diff --git a/src/ec/google/chromeec/acpi/als.asl b/src/ec/google/chromeec/acpi/als.asl
index 26d682de5002..99b0cca03068 100644
--- a/src/ec/google/chromeec/acpi/als.asl
+++ b/src/ec/google/chromeec/acpi/als.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 (ALS)
 {
diff --git a/src/ec/google/chromeec/acpi/battery.asl b/src/ec/google/chromeec/acpi/battery.asl
index 9cf3abd8318e..562af13b3c9a 100644
--- a/src/ec/google/chromeec/acpi/battery.asl
+++ b/src/ec/google/chromeec/acpi/battery.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. */
 
 // Scope (EC0)
 
diff --git a/src/ec/google/chromeec/acpi/cros_ec.asl b/src/ec/google/chromeec/acpi/cros_ec.asl
index 5e86a81c2b63..3e9b7733b696 100644
--- a/src/ec/google/chromeec/acpi/cros_ec.asl
+++ b/src/ec/google/chromeec/acpi/cros_ec.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 (CREC)
 {
diff --git a/src/ec/google/chromeec/acpi/ec.asl b/src/ec/google/chromeec/acpi/ec.asl
index 95494eaba758..1b8e12832039 100644
--- a/src/ec/google/chromeec/acpi/ec.asl
+++ b/src/ec/google/chromeec/acpi/ec.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. */
 
 /*
  * The mainboard must define a PNOT method to handle power
diff --git a/src/ec/google/chromeec/acpi/emem.asl b/src/ec/google/chromeec/acpi/emem.asl
index cbc125343ceb..6e98974b7596 100644
--- a/src/ec/google/chromeec/acpi/emem.asl
+++ b/src/ec/google/chromeec/acpi/emem.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. */
 
 /*
  * EMEM data may be accessed through port 62/66 or through LPC at 900h.
diff --git a/src/ec/google/chromeec/acpi/keyboard_backlight.asl b/src/ec/google/chromeec/acpi/keyboard_backlight.asl
index 7cfbabe0d277..839beb3e0bbb 100644
--- a/src/ec/google/chromeec/acpi/keyboard_backlight.asl
+++ b/src/ec/google/chromeec/acpi/keyboard_backlight.asl
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 Scope (\_SB)
 {
diff --git a/src/ec/google/chromeec/acpi/pd.asl b/src/ec/google/chromeec/acpi/pd.asl
index 1509a9eef295..c3189a9e1db3 100644
--- a/src/ec/google/chromeec/acpi/pd.asl
+++ b/src/ec/google/chromeec/acpi/pd.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 (ECPD)
 {
diff --git a/src/ec/google/chromeec/acpi/superio.asl b/src/ec/google/chromeec/acpi/superio.asl
index a672c5c24eba..649b842a6412 100644
--- a/src/ec/google/chromeec/acpi/superio.asl
+++ b/src/ec/google/chromeec/acpi/superio.asl
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 /*
  * Chrome OS Embedded Controller interface
diff --git a/src/ec/google/chromeec/acpi/tbmc.asl b/src/ec/google/chromeec/acpi/tbmc.asl
index 639de4a2bcaf..15fbabd2cb6e 100644
--- a/src/ec/google/chromeec/acpi/tbmc.asl
+++ b/src/ec/google/chromeec/acpi/tbmc.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 (TBMC)
 {
diff --git a/src/ec/google/chromeec/chip.h b/src/ec/google/chromeec/chip.h
index 2b7170f00dcf..78f8f4af11d4 100644
--- a/src/ec/google/chromeec/chip.h
+++ b/src/ec/google/chromeec/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 EC_GOOGLE_CHROMEEC_CHIP_H
 #define EC_GOOGLE_CHROMEEC_CHIP_H
diff --git a/src/ec/google/chromeec/crosec_proto.c b/src/ec/google/chromeec/crosec_proto.c
index 291cd94c497c..8f64ebd9d700 100644
--- a/src/ec/google/chromeec/crosec_proto.c
+++ b/src/ec/google/chromeec/crosec_proto.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 <stdint.h>
diff --git a/src/ec/google/chromeec/ec.c b/src/ec/google/chromeec/ec.c
index 8f1f86407a65..8bb366183ad1 100644
--- a/src/ec/google/chromeec/ec.c
+++ b/src/ec/google/chromeec/ec.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <stdint.h>
 #include <string.h>
diff --git a/src/ec/google/chromeec/ec.h b/src/ec/google/chromeec/ec.h
index 60afb50522bd..c40172a4ac66 100644
--- a/src/ec/google/chromeec/ec.h
+++ b/src/ec/google/chromeec/ec.h
@@ -1,16 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
+
 /*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
  * Mailbox EC communication interface for Google Chrome Embedded Controller.
  */
 
diff --git a/src/ec/google/chromeec/ec_boardid.c b/src/ec/google/chromeec/ec_boardid.c
index 11b1675c51e6..52b4fb3e3756 100644
--- a/src/ec/google/chromeec/ec_boardid.c
+++ b/src/ec/google/chromeec/ec_boardid.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 <boardid.h>
 #include <ec/google/chromeec/ec.h>
diff --git a/src/ec/google/chromeec/ec_i2c.c b/src/ec/google/chromeec/ec_i2c.c
index f5eb3513e7a5..55f5b2a3eb1a 100644
--- a/src/ec/google/chromeec/ec_i2c.c
+++ b/src/ec/google/chromeec/ec_i2c.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/i2c_simple.h>
diff --git a/src/ec/google/chromeec/ec_lpc.c b/src/ec/google/chromeec/ec_lpc.c
index c621a39401bb..dd78922d008b 100644
--- a/src/ec/google/chromeec/ec_lpc.c
+++ b/src/ec/google/chromeec/ec_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 <arch/io.h>
 #include <assert.h>
diff --git a/src/ec/google/chromeec/ec_spi.c b/src/ec/google/chromeec/ec_spi.c
index f90b313d7814..8c9d5990561b 100644
--- a/src/ec/google/chromeec/ec_spi.c
+++ b/src/ec/google/chromeec/ec_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 <console/console.h>
 #include <delay.h>
diff --git a/src/ec/google/chromeec/smihandler.c b/src/ec/google/chromeec/smihandler.c
index 3738f24261e7..febb45760797 100644
--- a/src/ec/google/chromeec/smihandler.c
+++ b/src/ec/google/chromeec/smihandler.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <arch/acpi.h>
 #include <console/console.h>
diff --git a/src/ec/google/chromeec/smm.h b/src/ec/google/chromeec/smm.h
index 4fe229203c8f..865885b01001 100644
--- a/src/ec/google/chromeec/smm.h
+++ b/src/ec/google/chromeec/smm.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 _EC_GOOGLE_CHROMEEC_SMM_H
 #define _EC_GOOGLE_CHROMEEC_SMM_H
diff --git a/src/ec/google/chromeec/switches.c b/src/ec/google/chromeec/switches.c
index 080b3596e9fc..f1dda1269b70 100644
--- a/src/ec/google/chromeec/switches.c
+++ b/src/ec/google/chromeec/switches.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 <bootmode.h>
 #include <ec/google/chromeec/ec.h>
diff --git a/src/ec/google/chromeec/vboot_storage.c b/src/ec/google/chromeec/vboot_storage.c
index df9d39256e39..571be0f8d428 100644
--- a/src/ec/google/chromeec/vboot_storage.c
+++ b/src/ec/google/chromeec/vboot_storage.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 <assert.h>
 #include <console/console.h>
diff --git a/src/ec/google/chromeec/vstore.c b/src/ec/google/chromeec/vstore.c
index 1e1a003adfa8..d973ba96ca6a 100644
--- a/src/ec/google/chromeec/vstore.c
+++ b/src/ec/google/chromeec/vstore.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <stdint.h>
 #include <string.h>
diff --git a/src/ec/google/common/mec.c b/src/ec/google/common/mec.c
index 32bea3617bdf..c41d6d61b46c 100644
--- a/src/ec/google/common/mec.c
+++ b/src/ec/google/common/mec.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 <stddef.h>
 #include <stdint.h>
diff --git a/src/ec/google/common/mec.h b/src/ec/google/common/mec.h
index 2d3c9b50649c..62fa2529768b 100644
--- a/src/ec/google/common/mec.h
+++ b/src/ec/google/common/mec.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 EC_GOOGLE_COMMON_MEC_H
 #define EC_GOOGLE_COMMON_MEC_H
diff --git a/src/ec/google/wilco/acpi/ac.asl b/src/ec/google/wilco/acpi/ac.asl
index a05b7fb9e3e3..0ff39521f56d 100644
--- a/src/ec/google/wilco/acpi/ac.asl
+++ b/src/ec/google/wilco/acpi/ac.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 (AC)
 {
diff --git a/src/ec/google/wilco/acpi/battery.asl b/src/ec/google/wilco/acpi/battery.asl
index 5e1e122ba6b2..c39673a93b0b 100644
--- a/src/ec/google/wilco/acpi/battery.asl
+++ b/src/ec/google/wilco/acpi/battery.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. */
 
 Mutex (BATM, 0)
 
diff --git a/src/ec/google/wilco/acpi/dptf.asl b/src/ec/google/wilco/acpi/dptf.asl
index b13ea9c2ce4f..b84e46e7154e 100644
--- a/src/ec/google/wilco/acpi/dptf.asl
+++ b/src/ec/google/wilco/acpi/dptf.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. */
 
 /*
  * Dynamic Platform Thermal Framework support
diff --git a/src/ec/google/wilco/acpi/ec.asl b/src/ec/google/wilco/acpi/ec.asl
index a04def1e5250..d2cbc1c3674d 100644
--- a/src/ec/google/wilco/acpi/ec.asl
+++ b/src/ec/google/wilco/acpi/ec.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 (EC0)
 {
diff --git a/src/ec/google/wilco/acpi/ec_dev.asl b/src/ec/google/wilco/acpi/ec_dev.asl
index 190b36c5d32d..2daa9f7f97dc 100644
--- a/src/ec/google/wilco/acpi/ec_dev.asl
+++ b/src/ec/google/wilco/acpi/ec_dev.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 (WLCO)
 {
diff --git a/src/ec/google/wilco/acpi/ec_ram.asl b/src/ec/google/wilco/acpi/ec_ram.asl
index 764341a0aca0..edfaa533eb6a 100644
--- a/src/ec/google/wilco/acpi/ec_ram.asl
+++ b/src/ec/google/wilco/acpi/ec_ram.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. */
 
 Name (RD, 0)
 Name (WR, 1)
diff --git a/src/ec/google/wilco/acpi/event.asl b/src/ec/google/wilco/acpi/event.asl
index 828c554d98fc..f1ef41dccd3a 100644
--- a/src/ec/google/wilco/acpi/event.asl
+++ b/src/ec/google/wilco/acpi/event.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. */
 
 /* ACPI_POWER_RECORD */
 Name (ECPR, 0)
diff --git a/src/ec/google/wilco/acpi/lid.asl b/src/ec/google/wilco/acpi/lid.asl
index 1412b998ee68..1724b207d779 100644
--- a/src/ec/google/wilco/acpi/lid.asl
+++ b/src/ec/google/wilco/acpi/lid.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 (LID0)
 {
diff --git a/src/ec/google/wilco/acpi/platform.asl b/src/ec/google/wilco/acpi/platform.asl
index fc276cbbe02b..9f51f3d84ecb 100644
--- a/src/ec/google/wilco/acpi/platform.asl
+++ b/src/ec/google/wilco/acpi/platform.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. */
 
 /* Call from \_SB._PTS() */
 Method (PTS, 1, Serialized)
diff --git a/src/ec/google/wilco/acpi/privacy.asl b/src/ec/google/wilco/acpi/privacy.asl
index b1a7f2fc8876..167bcfbf4ed6 100644
--- a/src/ec/google/wilco/acpi/privacy.asl
+++ b/src/ec/google/wilco/acpi/privacy.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. */
 
 /* Read Privacy Screen Present */
 Method (GPVD, 0, Serialized)
diff --git a/src/ec/google/wilco/acpi/superio.asl b/src/ec/google/wilco/acpi/superio.asl
index 7567408bc7fb..c2c3955a6e6b 100644
--- a/src/ec/google/wilco/acpi/superio.asl
+++ b/src/ec/google/wilco/acpi/superio.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. */
 
 /* Scope is \_SB.PCI0.LPCB */
 
diff --git a/src/ec/google/wilco/acpi/ucsi.asl b/src/ec/google/wilco/acpi/ucsi.asl
index 2c5b2473ecaf..617ffe9479d0 100644
--- a/src/ec/google/wilco/acpi/ucsi.asl
+++ b/src/ec/google/wilco/acpi/ucsi.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 (UCSI)
 {
diff --git a/src/ec/google/wilco/acpi/vbtn.asl b/src/ec/google/wilco/acpi/vbtn.asl
index 7346455b564c..5bdd74a3d63e 100644
--- a/src/ec/google/wilco/acpi/vbtn.asl
+++ b/src/ec/google/wilco/acpi/vbtn.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. */
 
 /*
  * Intel Virtual Button driver compatible with the driver found in
diff --git a/src/ec/google/wilco/boardid.c b/src/ec/google/wilco/boardid.c
index 17412128e650..4c38c1ed90fa 100644
--- a/src/ec/google/wilco/boardid.c
+++ b/src/ec/google/wilco/boardid.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 <boardid.h>
 #include "commands.h"
diff --git a/src/ec/google/wilco/bootblock.c b/src/ec/google/wilco/bootblock.c
index aaa555b69dc7..cb113a8fd902 100644
--- a/src/ec/google/wilco/bootblock.c
+++ b/src/ec/google/wilco/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 <arch/io.h>
 #include <endian.h>
diff --git a/src/ec/google/wilco/bootblock.h b/src/ec/google/wilco/bootblock.h
index 03b475ae1546..df59ccba2449 100644
--- a/src/ec/google/wilco/bootblock.h
+++ b/src/ec/google/wilco/bootblock.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 EC_GOOGLE_WILCO_BOOTBLOCK_H
 #define EC_GOOGLE_WILCO_BOOTBLOCK_H
diff --git a/src/ec/google/wilco/chip.c b/src/ec/google/wilco/chip.c
index acbd4871e4f9..2ce9bf0ad458 100644
--- a/src/ec/google/wilco/chip.c
+++ b/src/ec/google/wilco/chip.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <arch/acpi.h>
 #include <arch/acpi_device.h>
diff --git a/src/ec/google/wilco/chip.h b/src/ec/google/wilco/chip.h
index c79b5a175e68..25d5a761959f 100644
--- a/src/ec/google/wilco/chip.h
+++ b/src/ec/google/wilco/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 EC_GOOGLE_WILCO_CHIP_H
 #define EC_GOOGLE_WILCO_CHIP_H
diff --git a/src/ec/google/wilco/commands.c b/src/ec/google/wilco/commands.c
index 99cae7503538..f462b620ee4d 100644
--- a/src/ec/google/wilco/commands.c
+++ b/src/ec/google/wilco/commands.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 <ec/acpi/ec.h>
diff --git a/src/ec/google/wilco/commands.h b/src/ec/google/wilco/commands.h
index de95f610a51a..313b93431541 100644
--- a/src/ec/google/wilco/commands.h
+++ b/src/ec/google/wilco/commands.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 EC_GOOGLE_WILCO_COMMANDS_H
 #define EC_GOOGLE_WILCO_COMMANDS_H
diff --git a/src/ec/google/wilco/ec.h b/src/ec/google/wilco/ec.h
index ab649b19ec31..60523e8baede 100644
--- a/src/ec/google/wilco/ec.h
+++ b/src/ec/google/wilco/ec.h
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #ifndef EC_GOOGLE_WILCO_EC_H
 #define EC_GOOGLE_WILCO_EC_H
diff --git a/src/ec/google/wilco/mailbox.c b/src/ec/google/wilco/mailbox.c
index 54bdc7f2fc77..332ad01ad7ac 100644
--- a/src/ec/google/wilco/mailbox.c
+++ b/src/ec/google/wilco/mailbox.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <arch/io.h>
 #include <console/console.h>
diff --git a/src/ec/google/wilco/romstage.c b/src/ec/google/wilco/romstage.c
index 63229dcc04dd..08a84de0eaf2 100644
--- a/src/ec/google/wilco/romstage.c
+++ b/src/ec/google/wilco/romstage.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include "commands.h"
 #include "ec.h"
diff --git a/src/ec/google/wilco/romstage.h b/src/ec/google/wilco/romstage.h
index bfb9dcd4f2f6..a31d21f396d5 100644
--- a/src/ec/google/wilco/romstage.h
+++ b/src/ec/google/wilco/romstage.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 EC_GOOGLE_WILCO_ROMSTAGE_H
 #define EC_GOOGLE_WILCO_ROMSTAGE_H
diff --git a/src/ec/google/wilco/smihandler.c b/src/ec/google/wilco/smihandler.c
index b3255963970b..a9f07fe0c429 100644
--- a/src/ec/google/wilco/smihandler.c
+++ b/src/ec/google/wilco/smihandler.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <arch/acpi.h>
 #include <console/console.h>
diff --git a/src/ec/google/wilco/smm.h b/src/ec/google/wilco/smm.h
index f0bdd7195a16..74a4360d43e5 100644
--- a/src/ec/google/wilco/smm.h
+++ b/src/ec/google/wilco/smm.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 EC_GOOGLE_WILCO_SMM_H
 #define EC_GOOGLE_WILCO_SMM_H
diff --git a/src/ec/hp/kbc1126/acpi/ac.asl b/src/ec/hp/kbc1126/acpi/ac.asl
index 76ff3e08844b..02a9ae38a575 100644
--- a/src/ec/hp/kbc1126/acpi/ac.asl
+++ b/src/ec/hp/kbc1126/acpi/ac.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. */
 
 Name (ACST, 0x01)
 Name (SMAR, 0x00)
diff --git a/src/ec/hp/kbc1126/acpi/battery.asl b/src/ec/hp/kbc1126/acpi/battery.asl
index 97feeaa5dbf9..2a8e06254481 100644
--- a/src/ec/hp/kbc1126/acpi/battery.asl
+++ b/src/ec/hp/kbc1126/acpi/battery.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. */
 
 Field (ECRM, ByteAcc, NoLock, Preserve)
 {
diff --git a/src/ec/hp/kbc1126/acpi/ec.asl b/src/ec/hp/kbc1126/acpi/ec.asl
index 58544704506e..8382bc031bad 100644
--- a/src/ec/hp/kbc1126/acpi/ec.asl
+++ b/src/ec/hp/kbc1126/acpi/ec.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 (EC0)
 {
diff --git a/src/ec/hp/kbc1126/acpi/lid.asl b/src/ec/hp/kbc1126/acpi/lid.asl
index 2bdca8917ea6..ba96f7fd67f2 100644
--- a/src/ec/hp/kbc1126/acpi/lid.asl
+++ b/src/ec/hp/kbc1126/acpi/lid.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 (LID)
 {
diff --git a/src/ec/hp/kbc1126/chip.h b/src/ec/hp/kbc1126/chip.h
index d3c9421ab65a..692504c4f41f 100644
--- a/src/ec/hp/kbc1126/chip.h
+++ b/src/ec/hp/kbc1126/chip.h
@@ -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. */
 
 #ifndef _EC_HP_KBC1126_CHIP_H
 #define _EC_HP_KBC1126_CHIP_H
diff --git a/src/ec/hp/kbc1126/early_init.c b/src/ec/hp/kbc1126/early_init.c
index 21238205984e..695cee4ca871 100644
--- a/src/ec/hp/kbc1126/early_init.c
+++ b/src/ec/hp/kbc1126/early_init.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <arch/io.h>
 #include <device/pnp_ops.h>
diff --git a/src/ec/hp/kbc1126/ec.c b/src/ec/hp/kbc1126/ec.c
index 8b8b92c6f39c..7be025e2ac1e 100644
--- a/src/ec/hp/kbc1126/ec.c
+++ b/src/ec/hp/kbc1126/ec.c
@@ -1,17 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <arch/io.h>
 #include <console/console.h>
diff --git a/src/ec/hp/kbc1126/ec.h b/src/ec/hp/kbc1126/ec.h
index 2a7cc531c682..72ba0b5e10c3 100644
--- a/src/ec/hp/kbc1126/ec.h
+++ b/src/ec/hp/kbc1126/ec.h
@@ -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. */
 
 #ifndef _EC_HP_KBC1126_EC_H
 #define _EC_HP_KBC1126_EC_H
diff --git a/src/ec/kontron/it8516e/acpi/ec.asl b/src/ec/kontron/it8516e/acpi/ec.asl
index 170077be7824..cff525598527 100644
--- a/src/ec/kontron/it8516e/acpi/ec.asl
+++ b/src/ec/kontron/it8516e/acpi/ec.asl
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 /*
  * Include this file into a mainboard's DSDT _SB device tree and it will
diff --git a/src/ec/kontron/it8516e/acpi/pm_channels.asl b/src/ec/kontron/it8516e/acpi/pm_channels.asl
index fc6b4bba06da..f12bc13781b0 100644
--- a/src/ec/kontron/it8516e/acpi/pm_channels.asl
+++ b/src/ec/kontron/it8516e/acpi/pm_channels.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. */
 
 #ifdef IT8516E_FIRST_DATA
 Device (PM1) {
diff --git a/src/ec/kontron/it8516e/chip.h b/src/ec/kontron/it8516e/chip.h
index 6034c4658522..5e42d3159911 100644
--- a/src/ec/kontron/it8516e/chip.h
+++ b/src/ec/kontron/it8516e/chip.h
@@ -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. */
 
 #ifndef EC_KONTRON_IT8516E_CHIP_H
 #define EC_KONTRON_IT8516E_CHIP_H
diff --git a/src/ec/kontron/it8516e/ec.c b/src/ec/kontron/it8516e/ec.c
index cabac234cd97..fc852a93d35c 100644
--- a/src/ec/kontron/it8516e/ec.c
+++ b/src/ec/kontron/it8516e/ec.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <console/console.h>
 #include <device/device.h>
diff --git a/src/ec/kontron/it8516e/ec.h b/src/ec/kontron/it8516e/ec.h
index 9e6171c2dd70..da4fa5338b05 100644
--- a/src/ec/kontron/it8516e/ec.h
+++ b/src/ec/kontron/it8516e/ec.h
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #ifndef EC_KONTRON_IT8516E_EC_H
 #define EC_KONTRON_IT8516E_EC_H
diff --git a/src/ec/kontron/kempld/chip.h b/src/ec/kontron/kempld/chip.h
index 597f281ca1df..9d54b380d855 100644
--- a/src/ec/kontron/kempld/chip.h
+++ b/src/ec/kontron/kempld/chip.h
@@ -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. */
 
 #ifndef EC_KONTRON_KEMPLD_CHIP_H
 #define EC_KONTRON_KEMPLD_CHIP_H
diff --git a/src/ec/kontron/kempld/early_kempld.c b/src/ec/kontron/kempld/early_kempld.c
index c47274669f9f..810faf6e0463 100644
--- a/src/ec/kontron/kempld/early_kempld.c
+++ b/src/ec/kontron/kempld/early_kempld.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/ec/kontron/kempld/kempld.c b/src/ec/kontron/kempld/kempld.c
index 6f2b2689bf5c..9c209e16c5f2 100644
--- a/src/ec/kontron/kempld/kempld.c
+++ b/src/ec/kontron/kempld/kempld.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <console/console.h>
 #include <device/device.h>
diff --git a/src/ec/kontron/kempld/kempld.h b/src/ec/kontron/kempld/kempld.h
index 6e5000a5b19c..c4214173b6c1 100644
--- a/src/ec/kontron/kempld/kempld.h
+++ b/src/ec/kontron/kempld/kempld.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 EC_KONTRON_KEMPLD_H
 #define EC_KONTRON_KEMPLD_H
diff --git a/src/ec/kontron/kempld/kempld_internal.h b/src/ec/kontron/kempld/kempld_internal.h
index 4f90f4580879..1d0706a7a726 100644
--- a/src/ec/kontron/kempld/kempld_internal.h
+++ b/src/ec/kontron/kempld/kempld_internal.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 EC_KONTRON_KEMPLD_INTERNAL_H
 #define EC_KONTRON_KEMPLD_INTERNAL_H
diff --git a/src/ec/lenovo/h8/acpi/ac.asl b/src/ec/lenovo/h8/acpi/ac.asl
index d67bfbc06228..5e9cc30f3dee 100644
--- a/src/ec/lenovo/h8/acpi/ac.asl
+++ b/src/ec/lenovo/h8/acpi/ac.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. */
 
 Field(ERAM, ByteAcc, NoLock, Preserve)
 {
diff --git a/src/ec/lenovo/h8/acpi/battery.asl b/src/ec/lenovo/h8/acpi/battery.asl
index 79773c9d8039..65a3bcf7da92 100644
--- a/src/ec/lenovo/h8/acpi/battery.asl
+++ b/src/ec/lenovo/h8/acpi/battery.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. */
 
 Field(ERAM, ByteAcc, NoLock, Preserve)
 {
diff --git a/src/ec/lenovo/h8/acpi/beep.asl b/src/ec/lenovo/h8/acpi/beep.asl
index 7f385c6a478d..e996240afe9b 100644
--- a/src/ec/lenovo/h8/acpi/beep.asl
+++ b/src/ec/lenovo/h8/acpi/beep.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. */
 
 Field(ERAM, ByteAcc, NoLock, Preserve)
 {
diff --git a/src/ec/lenovo/h8/acpi/ec.asl b/src/ec/lenovo/h8/acpi/ec.asl
index 893732f56d35..45fa0a8a1b8d 100644
--- a/src/ec/lenovo/h8/acpi/ec.asl
+++ b/src/ec/lenovo/h8/acpi/ec.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(EC)
 {
diff --git a/src/ec/lenovo/h8/acpi/lid.asl b/src/ec/lenovo/h8/acpi/lid.asl
index 5c21744d3d13..93323aa4a90b 100644
--- a/src/ec/lenovo/h8/acpi/lid.asl
+++ b/src/ec/lenovo/h8/acpi/lid.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. */
 
 Field(ERAM, ByteAcc, NoLock, Preserve)
 {
diff --git a/src/ec/lenovo/h8/acpi/sleepbutton.asl b/src/ec/lenovo/h8/acpi/sleepbutton.asl
index 184829d713f2..82ba030f46b3 100644
--- a/src/ec/lenovo/h8/acpi/sleepbutton.asl
+++ b/src/ec/lenovo/h8/acpi/sleepbutton.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. */
 
 Field(ERAM, ByteAcc, NoLock, Preserve)
 {
diff --git a/src/ec/lenovo/h8/acpi/systemstatus.asl b/src/ec/lenovo/h8/acpi/systemstatus.asl
index 11b42a86da6c..3c1bd9499809 100644
--- a/src/ec/lenovo/h8/acpi/systemstatus.asl
+++ b/src/ec/lenovo/h8/acpi/systemstatus.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. */
 
 
 Scope (\_SI)
diff --git a/src/ec/lenovo/h8/acpi/thermal.asl b/src/ec/lenovo/h8/acpi/thermal.asl
index 5ca7a5ab9cc7..8124a2f4cc99 100644
--- a/src/ec/lenovo/h8/acpi/thermal.asl
+++ b/src/ec/lenovo/h8/acpi/thermal.asl
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <arch/x86/acpi/statdef.asl>
 
diff --git a/src/ec/lenovo/h8/acpi/thinkpad.asl b/src/ec/lenovo/h8/acpi/thinkpad.asl
index eb49511f2e02..4f3c622d1f6f 100644
--- a/src/ec/lenovo/h8/acpi/thinkpad.asl
+++ b/src/ec/lenovo/h8/acpi/thinkpad.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 (HKEY)
 {
diff --git a/src/ec/lenovo/h8/acpi/thinkpad_bat_thresholds.asl b/src/ec/lenovo/h8/acpi/thinkpad_bat_thresholds.asl
index 92d4a31f842f..67a15faf0aa9 100644
--- a/src/ec/lenovo/h8/acpi/thinkpad_bat_thresholds.asl
+++ b/src/ec/lenovo/h8/acpi/thinkpad_bat_thresholds.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. */
 
 /*
  * This defines the battery charging thresholds setting methods tpacpi-bat can
diff --git a/src/ec/lenovo/h8/acpi/thinkpad_bat_thresholds_24.asl b/src/ec/lenovo/h8/acpi/thinkpad_bat_thresholds_24.asl
index 438ac912771c..f730765a76f5 100644
--- a/src/ec/lenovo/h8/acpi/thinkpad_bat_thresholds_24.asl
+++ b/src/ec/lenovo/h8/acpi/thinkpad_bat_thresholds_24.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. */
 
 
 Scope(\_SB.PCI0.LPCB.EC)
diff --git a/src/ec/lenovo/h8/acpi/thinkpad_bat_thresholds_b0.asl b/src/ec/lenovo/h8/acpi/thinkpad_bat_thresholds_b0.asl
index 260bd8e95fc6..94faa2829148 100644
--- a/src/ec/lenovo/h8/acpi/thinkpad_bat_thresholds_b0.asl
+++ b/src/ec/lenovo/h8/acpi/thinkpad_bat_thresholds_b0.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. */
 
 
 Scope(\_SB.PCI0.LPCB.EC)
diff --git a/src/ec/lenovo/h8/bluetooth.c b/src/ec/lenovo/h8/bluetooth.c
index aba6ec1d6b2e..0ee0c021955b 100644
--- a/src/ec/lenovo/h8/bluetooth.c
+++ b/src/ec/lenovo/h8/bluetooth.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <southbridge/intel/common/gpio.h>
 #include <console/console.h>
diff --git a/src/ec/lenovo/h8/chip.h b/src/ec/lenovo/h8/chip.h
index 665cbdf38d77..a3263c64a1ea 100644
--- a/src/ec/lenovo/h8/chip.h
+++ b/src/ec/lenovo/h8/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 EC_LENOVO_H8EC_CHIP_H
 #define EC_LENOVO_H8EC_CHIP_H
diff --git a/src/ec/lenovo/h8/h8.c b/src/ec/lenovo/h8/h8.c
index 3bdb50ddda19..e69b242bcbb3 100644
--- a/src/ec/lenovo/h8/h8.c
+++ b/src/ec/lenovo/h8/h8.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <arch/acpi.h>
 #include <console/console.h>
diff --git a/src/ec/lenovo/h8/h8.h b/src/ec/lenovo/h8/h8.h
index 9e2cfa044d17..ecc9aabba630 100644
--- a/src/ec/lenovo/h8/h8.h
+++ b/src/ec/lenovo/h8/h8.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 EC_LENOVO_H8_H
 #define EC_LENOVO_H8_H
diff --git a/src/ec/lenovo/h8/panic.c b/src/ec/lenovo/h8/panic.c
index 23eda97e174c..dd0aea07a992 100644
--- a/src/ec/lenovo/h8/panic.c
+++ b/src/ec/lenovo/h8/panic.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 <ec/acpi/ec.h>
 
diff --git a/src/ec/lenovo/h8/sense.c b/src/ec/lenovo/h8/sense.c
index d0f07fd64284..e8e356ff5e2f 100644
--- a/src/ec/lenovo/h8/sense.c
+++ b/src/ec/lenovo/h8/sense.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <ec/acpi/ec.h>
 
diff --git a/src/ec/lenovo/h8/ssdt.c b/src/ec/lenovo/h8/ssdt.c
index af041c3683ac..6b821a40f2fb 100644
--- a/src/ec/lenovo/h8/ssdt.c
+++ b/src/ec/lenovo/h8/ssdt.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 <arch/acpigen.h>
diff --git a/src/ec/lenovo/h8/vboot.c b/src/ec/lenovo/h8/vboot.c
index 28ce6af61709..e397dd8d2704 100644
--- a/src/ec/lenovo/h8/vboot.c
+++ b/src/ec/lenovo/h8/vboot.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <ec/acpi/ec.h>
 #include <bootmode.h>
diff --git a/src/ec/lenovo/h8/wwan.c b/src/ec/lenovo/h8/wwan.c
index 7aa996c77224..cb60ce86163e 100644
--- a/src/ec/lenovo/h8/wwan.c
+++ b/src/ec/lenovo/h8/wwan.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <southbridge/intel/common/gpio.h>
 #include <console/console.h>
diff --git a/src/ec/lenovo/pmh7/chip.h b/src/ec/lenovo/pmh7/chip.h
index 0bc83dedbf66..b67d73894584 100644
--- a/src/ec/lenovo/pmh7/chip.h
+++ b/src/ec/lenovo/pmh7/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 EC_LENOVO_PMH7_CHIP_H
 #define EC_LENOVO_PMH7_CHIP_H
diff --git a/src/ec/lenovo/pmh7/pmh7.c b/src/ec/lenovo/pmh7/pmh7.c
index 37a9351dfe4e..903d1acc9b4e 100644
--- a/src/ec/lenovo/pmh7/pmh7.c
+++ b/src/ec/lenovo/pmh7/pmh7.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <arch/io.h>
 #include <console/console.h>
diff --git a/src/ec/lenovo/pmh7/pmh7.h b/src/ec/lenovo/pmh7/pmh7.h
index 141c250c9c42..be8db98b6c98 100644
--- a/src/ec/lenovo/pmh7/pmh7.h
+++ b/src/ec/lenovo/pmh7/pmh7.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 EC_LENOVO_PMH7_H
 #define EC_LENOVO_PMH7_H
diff --git a/src/ec/purism/librem/acpi/ac.asl b/src/ec/purism/librem/acpi/ac.asl
index 08d6b6d47d59..a6eb0843a588 100644
--- a/src/ec/purism/librem/acpi/ac.asl
+++ b/src/ec/purism/librem/acpi/ac.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 (AC)
 {
diff --git a/src/ec/purism/librem/acpi/battery.asl b/src/ec/purism/librem/acpi/battery.asl
index f2e38813514a..8e64dfe0f814 100644
--- a/src/ec/purism/librem/acpi/battery.asl
+++ b/src/ec/purism/librem/acpi/battery.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 (BAT)
 {
diff --git a/src/ec/purism/librem/acpi/ec.asl b/src/ec/purism/librem/acpi/ec.asl
index e64770adb93f..89af552c9797 100644
--- a/src/ec/purism/librem/acpi/ec.asl
+++ b/src/ec/purism/librem/acpi/ec.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 (TPSD)
 {
diff --git a/src/ec/quanta/ene_kb3940q/acpi/ac.asl b/src/ec/quanta/ene_kb3940q/acpi/ac.asl
index 88330ea8fcae..5d9694561351 100644
--- a/src/ec/quanta/ene_kb3940q/acpi/ac.asl
+++ b/src/ec/quanta/ene_kb3940q/acpi/ac.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. */
 
 // Scope (EC0)
 
diff --git a/src/ec/quanta/ene_kb3940q/acpi/battery.asl b/src/ec/quanta/ene_kb3940q/acpi/battery.asl
index dbfd47702455..5c2c29d46b0a 100644
--- a/src/ec/quanta/ene_kb3940q/acpi/battery.asl
+++ b/src/ec/quanta/ene_kb3940q/acpi/battery.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. */
 
 /*
  * The mainboard must define strings in the root scope to
diff --git a/src/ec/quanta/ene_kb3940q/acpi/ec.asl b/src/ec/quanta/ene_kb3940q/acpi/ec.asl
index 9b792db7040a..7bd616043156 100644
--- a/src/ec/quanta/ene_kb3940q/acpi/ec.asl
+++ b/src/ec/quanta/ene_kb3940q/acpi/ec.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. */
 
 /*
  * The mainboard must define a PNOT method to handle power
diff --git a/src/ec/quanta/ene_kb3940q/acpi/superio.asl b/src/ec/quanta/ene_kb3940q/acpi/superio.asl
index 86950f1e05b0..0741c44159ba 100644
--- a/src/ec/quanta/ene_kb3940q/acpi/superio.asl
+++ b/src/ec/quanta/ene_kb3940q/acpi/superio.asl
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 // Scope is \_SB.PCI0.LPCB
 
diff --git a/src/ec/quanta/ene_kb3940q/chip.h b/src/ec/quanta/ene_kb3940q/chip.h
index 77357f322349..6e6c1c31da49 100644
--- a/src/ec/quanta/ene_kb3940q/chip.h
+++ b/src/ec/quanta/ene_kb3940q/chip.h
@@ -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. */
 
 #ifndef _EC_QUANTA_ENE_KB3940Q_CHIP_H
 #define _EC_QUANTA_ENE_KB3940Q_CHIP_H
diff --git a/src/ec/quanta/ene_kb3940q/ec.c b/src/ec/quanta/ene_kb3940q/ec.c
index e37b98057239..15c04003c3f9 100644
--- a/src/ec/quanta/ene_kb3940q/ec.c
+++ b/src/ec/quanta/ene_kb3940q/ec.c
@@ -1,17 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <arch/io.h>
 #include <console/console.h>
diff --git a/src/ec/quanta/ene_kb3940q/ec.h b/src/ec/quanta/ene_kb3940q/ec.h
index 5b278c114fbb..7b7d66a8cce5 100644
--- a/src/ec/quanta/ene_kb3940q/ec.h
+++ b/src/ec/quanta/ene_kb3940q/ec.h
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 /*
  * EC communication interface for QUANTA EnE KB3940Q Embedded Controller.
diff --git a/src/ec/quanta/it8518/acpi/ac.asl b/src/ec/quanta/it8518/acpi/ac.asl
index 64353295f3b9..15f369c81198 100644
--- a/src/ec/quanta/it8518/acpi/ac.asl
+++ b/src/ec/quanta/it8518/acpi/ac.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. */
 
 // Scope (EC0)
 
diff --git a/src/ec/quanta/it8518/acpi/battery.asl b/src/ec/quanta/it8518/acpi/battery.asl
index fcfae755f279..d9c7da9c7309 100644
--- a/src/ec/quanta/it8518/acpi/battery.asl
+++ b/src/ec/quanta/it8518/acpi/battery.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. */
 
 // Scope (EC0)
 
diff --git a/src/ec/quanta/it8518/acpi/ec.asl b/src/ec/quanta/it8518/acpi/ec.asl
index 3a61d5d9cc7c..e9390e4f9dce 100644
--- a/src/ec/quanta/it8518/acpi/ec.asl
+++ b/src/ec/quanta/it8518/acpi/ec.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. */
 
 /*
  * The mainboard must define a PNOT method to handle power
diff --git a/src/ec/quanta/it8518/acpi/superio.asl b/src/ec/quanta/it8518/acpi/superio.asl
index 8363fb9079a2..2800f3c3f024 100644
--- a/src/ec/quanta/it8518/acpi/superio.asl
+++ b/src/ec/quanta/it8518/acpi/superio.asl
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 // Scope is \_SB.PCI0.LPCB
 
diff --git a/src/ec/quanta/it8518/chip.h b/src/ec/quanta/it8518/chip.h
index 67cf694f61ed..3b2b8d79fba1 100644
--- a/src/ec/quanta/it8518/chip.h
+++ b/src/ec/quanta/it8518/chip.h
@@ -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. */
 
 #ifndef _EC_QUANTA_IT8518_CHIP_H
 #define _EC_QUANTA_IT8518_CHIP_H
diff --git a/src/ec/quanta/it8518/ec.c b/src/ec/quanta/it8518/ec.c
index 593eddc194ed..fd17097d0ca6 100644
--- a/src/ec/quanta/it8518/ec.c
+++ b/src/ec/quanta/it8518/ec.c
@@ -1,17 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <arch/io.h>
 #include <console/console.h>
diff --git a/src/ec/quanta/it8518/ec.h b/src/ec/quanta/it8518/ec.h
index 4cc88a3e3713..a5617b5bca95 100644
--- a/src/ec/quanta/it8518/ec.h
+++ b/src/ec/quanta/it8518/ec.h
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 /*
  * EC communication interface for QUANTA IT8518 Embedded Controller.
diff --git a/src/ec/roda/it8518/acpi/ac.asl b/src/ec/roda/it8518/acpi/ac.asl
index 359181c89e41..dfddba647b12 100644
--- a/src/ec/roda/it8518/acpi/ac.asl
+++ b/src/ec/roda/it8518/acpi/ac.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 EC0
 
diff --git a/src/ec/roda/it8518/acpi/battery.asl b/src/ec/roda/it8518/acpi/battery.asl
index c18b9d3bf567..d2196e8ea1b8 100644
--- a/src/ec/roda/it8518/acpi/battery.asl
+++ b/src/ec/roda/it8518/acpi/battery.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 EC0
 
diff --git a/src/ec/roda/it8518/acpi/ec.asl b/src/ec/roda/it8518/acpi/ec.asl
index 084d788cbd6a..d46485ec0be7 100644
--- a/src/ec/roda/it8518/acpi/ec.asl
+++ b/src/ec/roda/it8518/acpi/ec.asl
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <drivers/pc80/pc/ps2_controller.asl>
 
diff --git a/src/ec/roda/it8518/acpi/lid.asl b/src/ec/roda/it8518/acpi/lid.asl
index e218d76153a0..1f9b35a33662 100644
--- a/src/ec/roda/it8518/acpi/lid.asl
+++ b/src/ec/roda/it8518/acpi/lid.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 EC0
 
diff --git a/src/ec/roda/it8518/chip.h b/src/ec/roda/it8518/chip.h
index a18d791795f3..059485186d0d 100644
--- a/src/ec/roda/it8518/chip.h
+++ b/src/ec/roda/it8518/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 _EC_RODA_IT8518_CHIP_H
 #define _EC_RODA_IT8518_CHIP_H
diff --git a/src/ec/roda/it8518/ec.c b/src/ec/roda/it8518/ec.c
index a9dfb0afae5d..8f36decd6824 100644
--- a/src/ec/roda/it8518/ec.c
+++ b/src/ec/roda/it8518/ec.c
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <console/console.h>
 #include <device/device.h>
diff --git a/src/ec/smsc/mec1308/acpi/ac.asl b/src/ec/smsc/mec1308/acpi/ac.asl
index c7aa5173f148..d2061c64a8ae 100644
--- a/src/ec/smsc/mec1308/acpi/ac.asl
+++ b/src/ec/smsc/mec1308/acpi/ac.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. */
 
 // Scope (EC0)
 
diff --git a/src/ec/smsc/mec1308/acpi/battery.asl b/src/ec/smsc/mec1308/acpi/battery.asl
index 4040be8f531e..8a61ef1d39c9 100644
--- a/src/ec/smsc/mec1308/acpi/battery.asl
+++ b/src/ec/smsc/mec1308/acpi/battery.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. */
 
 /*
  * The mainboard must define strings in the root scope to
diff --git a/src/ec/smsc/mec1308/acpi/ec.asl b/src/ec/smsc/mec1308/acpi/ec.asl
index f2b8f1c5d026..9505dcd02c18 100644
--- a/src/ec/smsc/mec1308/acpi/ec.asl
+++ b/src/ec/smsc/mec1308/acpi/ec.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. */
 
 /*
  * The mainboard must define a PNOT method to handle power
diff --git a/src/ec/smsc/mec1308/chip.h b/src/ec/smsc/mec1308/chip.h
index 297e10855d24..e9ec4334fa1b 100644
--- a/src/ec/smsc/mec1308/chip.h
+++ b/src/ec/smsc/mec1308/chip.h
@@ -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. */
 
 #ifndef _EC_SMSC_MEC1308_CHIP_H
 #define _EC_SMSC_MEC1308_CHIP_H
diff --git a/src/ec/smsc/mec1308/ec.c b/src/ec/smsc/mec1308/ec.c
index 2493f00e5828..603f92ec2c23 100644
--- a/src/ec/smsc/mec1308/ec.c
+++ b/src/ec/smsc/mec1308/ec.c
@@ -1,17 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <arch/io.h>
 #include <console/console.h>
diff --git a/src/ec/smsc/mec1308/ec.h b/src/ec/smsc/mec1308/ec.h
index b143c5158178..324695db5355 100644
--- a/src/ec/smsc/mec1308/ec.h
+++ b/src/ec/smsc/mec1308/ec.h
@@ -1,16 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
+
 /*
- * This file is part of the coreboot project.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
  * Mailbox EC communication interface for SMSC MEC1308 Embedded Controller.
  */