src/mainboard: Replace GPLv2 long form headers with SPDX header
Change-Id: I64d9468682a4aae3084b17b8724d035f17d01dff
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41187
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/mainboard/asrock/b75pro3-m/devicetree.cb b/src/mainboard/asrock/b75pro3-m/devicetree.cb
index 50033b3..c2bc35a 100644
--- a/src/mainboard/asrock/b75pro3-m/devicetree.cb
+++ b/src/mainboard/asrock/b75pro3-m/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/sandybridge
register "gfx.use_spread_spectrum_clock" = "0"
diff --git a/src/mainboard/asrock/b85m_pro4/Kconfig b/src/mainboard/asrock/b85m_pro4/Kconfig
index 91ae3a5..a02729f 100644
--- a/src/mainboard/asrock/b85m_pro4/Kconfig
+++ b/src/mainboard/asrock/b85m_pro4/Kconfig
@@ -1,18 +1,5 @@
-##
## This file is part of the coreboot project.
-##
-## Copyright (C) 2018 Tristan Corrick <tristan@corrick.kiwi>
-##
-## This program is free software: you can redistribute it and/or modify
-## it under the terms of the GNU General Public License as published by
-## the Free Software Foundation, either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
if BOARD_ASROCK_B85M_PRO4
diff --git a/src/mainboard/asrock/b85m_pro4/gma-mainboard.ads b/src/mainboard/asrock/b85m_pro4/gma-mainboard.ads
index c595ad4..aea1a78 100644
--- a/src/mainboard/asrock/b85m_pro4/gma-mainboard.ads
+++ b/src/mainboard/asrock/b85m_pro4/gma-mainboard.ads
@@ -1,17 +1,5 @@
---
-- This file is part of the coreboot project.
---
--- Copyright (C) 2018 Angel Pons <th3fanbus@gmail.com>
---
--- This program is free software; you can redistribute it and/or modify
--- it under the terms of the GNU General Public License as published by
--- the Free Software Foundation; version 2 of the License.
---
--- This program is distributed in the hope that it will be useful,
--- but WITHOUT ANY WARRANTY; without even the implied warranty of
--- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
--- GNU General Public License for more details.
---
+-- SPDX-License-Identifier: GPL-2.0-only
with HW.GFX.GMA;
with HW.GFX.GMA.Display_Probing;
diff --git a/src/mainboard/asrock/g41c-gs/variants/g41c-gs-r2/devicetree.cb b/src/mainboard/asrock/g41c-gs/variants/g41c-gs-r2/devicetree.cb
index fd73fb3..2117977 100644
--- a/src/mainboard/asrock/g41c-gs/variants/g41c-gs-r2/devicetree.cb
+++ b/src/mainboard/asrock/g41c-gs/variants/g41c-gs-r2/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device cpu_cluster 0 on # APIC cluster
diff --git a/src/mainboard/asrock/g41c-gs/variants/g41c-gs/devicetree.cb b/src/mainboard/asrock/g41c-gs/variants/g41c-gs/devicetree.cb
index 112cce0..d8ee370 100644
--- a/src/mainboard/asrock/g41c-gs/variants/g41c-gs/devicetree.cb
+++ b/src/mainboard/asrock/g41c-gs/variants/g41c-gs/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device cpu_cluster 0 on # APIC cluster
diff --git a/src/mainboard/asrock/g41c-gs/variants/g41m-gs/devicetree.cb b/src/mainboard/asrock/g41c-gs/variants/g41m-gs/devicetree.cb
index 1af0c1c..78c43f0 100644
--- a/src/mainboard/asrock/g41c-gs/variants/g41m-gs/devicetree.cb
+++ b/src/mainboard/asrock/g41c-gs/variants/g41m-gs/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device cpu_cluster 0 on # APIC cluster
diff --git a/src/mainboard/asrock/g41c-gs/variants/g41m-s3/devicetree.cb b/src/mainboard/asrock/g41c-gs/variants/g41m-s3/devicetree.cb
index 42d2a97..a1ff256 100644
--- a/src/mainboard/asrock/g41c-gs/variants/g41m-s3/devicetree.cb
+++ b/src/mainboard/asrock/g41c-gs/variants/g41m-s3/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device cpu_cluster 0 on # APIC cluster
diff --git a/src/mainboard/asrock/g41c-gs/variants/g41m-vs3-r2/devicetree.cb b/src/mainboard/asrock/g41c-gs/variants/g41m-vs3-r2/devicetree.cb
index 5753057..345030e 100644
--- a/src/mainboard/asrock/g41c-gs/variants/g41m-vs3-r2/devicetree.cb
+++ b/src/mainboard/asrock/g41c-gs/variants/g41m-vs3-r2/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device cpu_cluster 0 on # APIC cluster
diff --git a/src/mainboard/asrock/h81m-hds/Kconfig b/src/mainboard/asrock/h81m-hds/Kconfig
index dd26464..b0ae030 100644
--- a/src/mainboard/asrock/h81m-hds/Kconfig
+++ b/src/mainboard/asrock/h81m-hds/Kconfig
@@ -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, either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
if BOARD_ASROCK_H81M_HDS
diff --git a/src/mainboard/asrock/h81m-hds/Makefile.inc b/src/mainboard/asrock/h81m-hds/Makefile.inc
index 45798d3..d839e2f 100644
--- a/src/mainboard/asrock/h81m-hds/Makefile.inc
+++ b/src/mainboard/asrock/h81m-hds/Makefile.inc
@@ -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, either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
romstage-y += gpio.c
ramstage-$(CONFIG_MAINBOARD_USE_LIBGFXINIT) += gma-mainboard.ads
diff --git a/src/mainboard/asrock/h81m-hds/devicetree.cb b/src/mainboard/asrock/h81m-hds/devicetree.cb
index 5be3791..84332e5 100644
--- a/src/mainboard/asrock/h81m-hds/devicetree.cb
+++ b/src/mainboard/asrock/h81m-hds/devicetree.cb
@@ -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, either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/haswell
register "gpu_ddi_e_connected" = "1"
diff --git a/src/mainboard/asus/h61m-cs/devicetree.cb b/src/mainboard/asus/h61m-cs/devicetree.cb
index 57ec653..bc79941 100644
--- a/src/mainboard/asus/h61m-cs/devicetree.cb
+++ b/src/mainboard/asus/h61m-cs/devicetree.cb
@@ -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, either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/sandybridge
device cpu_cluster 0x0 on
diff --git a/src/mainboard/asus/maximus_iv_gene-z/Kconfig b/src/mainboard/asus/maximus_iv_gene-z/Kconfig
index da2e48e..ec0e4cd 100644
--- a/src/mainboard/asus/maximus_iv_gene-z/Kconfig
+++ b/src/mainboard/asus/maximus_iv_gene-z/Kconfig
@@ -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, either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
if BOARD_ASUS_MAXIMUS_IV_GENE_Z
diff --git a/src/mainboard/asus/maximus_iv_gene-z/Makefile.inc b/src/mainboard/asus/maximus_iv_gene-z/Makefile.inc
index 85cc888..f0944ad 100644
--- a/src/mainboard/asus/maximus_iv_gene-z/Makefile.inc
+++ b/src/mainboard/asus/maximus_iv_gene-z/Makefile.inc
@@ -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, either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
bootblock-y += gpio.c
romstage-y += gpio.c
diff --git a/src/mainboard/asus/maximus_iv_gene-z/devicetree.cb b/src/mainboard/asus/maximus_iv_gene-z/devicetree.cb
index 7a5f348..a07733e 100644
--- a/src/mainboard/asus/maximus_iv_gene-z/devicetree.cb
+++ b/src/mainboard/asus/maximus_iv_gene-z/devicetree.cb
@@ -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, either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/sandybridge
device cpu_cluster 0 on
diff --git a/src/mainboard/asus/p5qc/variants/p5q/devicetree.cb b/src/mainboard/asus/p5qc/variants/p5q/devicetree.cb
index 9899468..e1d4a0d4 100644
--- a/src/mainboard/asus/p5qc/variants/p5q/devicetree.cb
+++ b/src/mainboard/asus/p5qc/variants/p5q/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device cpu_cluster 0 on # APIC cluster
diff --git a/src/mainboard/asus/p5qc/variants/p5q_pro/devicetree.cb b/src/mainboard/asus/p5qc/variants/p5q_pro/devicetree.cb
index c384795..bce1409 100644
--- a/src/mainboard/asus/p5qc/variants/p5q_pro/devicetree.cb
+++ b/src/mainboard/asus/p5qc/variants/p5q_pro/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device cpu_cluster 0 on # APIC cluster
diff --git a/src/mainboard/asus/p5qc/variants/p5qc/devicetree.cb b/src/mainboard/asus/p5qc/variants/p5qc/devicetree.cb
index a129500..0fd9525 100644
--- a/src/mainboard/asus/p5qc/variants/p5qc/devicetree.cb
+++ b/src/mainboard/asus/p5qc/variants/p5qc/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device cpu_cluster 0 on # APIC cluster
diff --git a/src/mainboard/asus/p5qc/variants/p5ql_pro/devicetree.cb b/src/mainboard/asus/p5qc/variants/p5ql_pro/devicetree.cb
index 633ca81..4ed2e75 100644
--- a/src/mainboard/asus/p5qc/variants/p5ql_pro/devicetree.cb
+++ b/src/mainboard/asus/p5qc/variants/p5ql_pro/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device cpu_cluster 0 on # APIC cluster
diff --git a/src/mainboard/asus/p5ql-em/devicetree.cb b/src/mainboard/asus/p5ql-em/devicetree.cb
index ab9860b..578bb03 100644
--- a/src/mainboard/asus/p5ql-em/devicetree.cb
+++ b/src/mainboard/asus/p5ql-em/devicetree.cb
@@ -1,16 +1,5 @@
-#
# This file is part of the coreboot project.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device cpu_cluster 0 on # APIC cluster
diff --git a/src/mainboard/asus/p5qpl-am/devicetree.cb b/src/mainboard/asus/p5qpl-am/devicetree.cb
index efecc58..7001123 100644
--- a/src/mainboard/asus/p5qpl-am/devicetree.cb
+++ b/src/mainboard/asus/p5qpl-am/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device cpu_cluster 0 on # APIC cluster
diff --git a/src/mainboard/asus/p5qpl-am/variants/p5g41t-m_lx/overridetree.cb b/src/mainboard/asus/p5qpl-am/variants/p5g41t-m_lx/overridetree.cb
index f85ed1d..aeebb3e 100644
--- a/src/mainboard/asus/p5qpl-am/variants/p5g41t-m_lx/overridetree.cb
+++ b/src/mainboard/asus/p5qpl-am/variants/p5g41t-m_lx/overridetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device domain 0 on # PCI domain
diff --git a/src/mainboard/asus/p5qpl-am/variants/p5qpl-am/overridetree.cb b/src/mainboard/asus/p5qpl-am/variants/p5qpl-am/overridetree.cb
index 2f00e1f..5626aa1 100644
--- a/src/mainboard/asus/p5qpl-am/variants/p5qpl-am/overridetree.cb
+++ b/src/mainboard/asus/p5qpl-am/variants/p5qpl-am/overridetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device domain 0 on # PCI domain
diff --git a/src/mainboard/asus/p8h61-m_lx/Kconfig b/src/mainboard/asus/p8h61-m_lx/Kconfig
index 54ba360..5665159 100644
--- a/src/mainboard/asus/p8h61-m_lx/Kconfig
+++ b/src/mainboard/asus/p8h61-m_lx/Kconfig
@@ -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, either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
if BOARD_ASUS_P8H61_M_LX
diff --git a/src/mainboard/asus/p8h61-m_lx/Makefile.inc b/src/mainboard/asus/p8h61-m_lx/Makefile.inc
index 85cc888..f0944ad 100644
--- a/src/mainboard/asus/p8h61-m_lx/Makefile.inc
+++ b/src/mainboard/asus/p8h61-m_lx/Makefile.inc
@@ -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, either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
bootblock-y += gpio.c
romstage-y += gpio.c
diff --git a/src/mainboard/asus/p8h61-m_lx/devicetree.cb b/src/mainboard/asus/p8h61-m_lx/devicetree.cb
index 777c9d1..87b4ce8 100644
--- a/src/mainboard/asus/p8h61-m_lx/devicetree.cb
+++ b/src/mainboard/asus/p8h61-m_lx/devicetree.cb
@@ -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, either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/sandybridge
device cpu_cluster 0 on
diff --git a/src/mainboard/asus/p8z77-m_pro/Makefile.inc b/src/mainboard/asus/p8z77-m_pro/Makefile.inc
index d989b7d..4eefe8d 100644
--- a/src/mainboard/asus/p8z77-m_pro/Makefile.inc
+++ b/src/mainboard/asus/p8z77-m_pro/Makefile.inc
@@ -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, either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
bootblock-y += gpio.c
romstage-y += gpio.c
diff --git a/src/mainboard/emulation/qemu-i440fx/dsdt.asl b/src/mainboard/emulation/qemu-i440fx/dsdt.asl
index c4ca0b3..8621a0a 100644
--- a/src/mainboard/emulation/qemu-i440fx/dsdt.asl
+++ b/src/mainboard/emulation/qemu-i440fx/dsdt.asl
@@ -1,14 +1,5 @@
/* Bochs/QEMU ACPI DSDT ASL definition */
-/*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2 as published by the Free Software Foundation.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpi.h>
DefinitionBlock (
diff --git a/src/mainboard/emulation/qemu-q35/dsdt.asl b/src/mainboard/emulation/qemu-q35/dsdt.asl
index 31a2660..1b4a174 100644
--- a/src/mainboard/emulation/qemu-q35/dsdt.asl
+++ b/src/mainboard/emulation/qemu-q35/dsdt.asl
@@ -1,14 +1,5 @@
/* Bochs/QEMU ACPI DSDT ASL definition */
-/*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2 as published by the Free Software Foundation.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Based on acpi-dsdt.dsl, but heavily modified for q35 chipset.
diff --git a/src/mainboard/foxconn/d41s/devicetree.cb b/src/mainboard/foxconn/d41s/devicetree.cb
index 7594f48..52e1e63 100644
--- a/src/mainboard/foxconn/d41s/devicetree.cb
+++ b/src/mainboard/foxconn/d41s/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/pineview # Northbridge
register "gfx.use_spread_spectrum_clock" = "0"
diff --git a/src/mainboard/foxconn/g41s-k/devicetree.cb b/src/mainboard/foxconn/g41s-k/devicetree.cb
index dfc1534..7369f53 100644
--- a/src/mainboard/foxconn/g41s-k/devicetree.cb
+++ b/src/mainboard/foxconn/g41s-k/devicetree.cb
@@ -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; either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device cpu_cluster 0 on # APIC cluster
diff --git a/src/mainboard/gigabyte/ga-g41m-es2l/devicetree.cb b/src/mainboard/gigabyte/ga-g41m-es2l/devicetree.cb
index cd53505..068ecd6 100644
--- a/src/mainboard/gigabyte/ga-g41m-es2l/devicetree.cb
+++ b/src/mainboard/gigabyte/ga-g41m-es2l/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device cpu_cluster 0 on # APIC cluster
diff --git a/src/mainboard/google/cheza/chromeos.fmd b/src/mainboard/google/cheza/chromeos.fmd
index 429fa12..647315e 100644
--- a/src/mainboard/google/cheza/chromeos.fmd
+++ b/src/mainboard/google/cheza/chromeos.fmd
@@ -1,16 +1,5 @@
-##
## This file is part of the coreboot project.
-##
-##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License version 2 and
-## only version 2 as published by the Free Software Foundation.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-only
FLASH@0x0 8M {
WP_RO 4M {
diff --git a/src/mainboard/google/cheza/devicetree.cb b/src/mainboard/google/cheza/devicetree.cb
index 0e5ca5e..bb71076 100644
--- a/src/mainboard/google/cheza/devicetree.cb
+++ b/src/mainboard/google/cheza/devicetree.cb
@@ -1,16 +1,5 @@
-##
## This file is part of the coreboot project.
-##
-##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License version 2 and
-## only version 2 as published by the Free Software Foundation.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-only
chip soc/qualcomm/sdm845
device cpu_cluster 0 on end
diff --git a/src/mainboard/google/kahlee/variants/careena/include/variant/sku.h b/src/mainboard/google/kahlee/variants/careena/include/variant/sku.h
index bbe3eaa..c450b0f 100644
--- a/src/mainboard/google/kahlee/variants/careena/include/variant/sku.h
+++ b/src/mainboard/google/kahlee/variants/careena/include/variant/sku.h
@@ -1,16 +1,5 @@
/* This file is part of the coreboot project. */
-/*
- * Copyright (C) 2017 Google Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
/* SKU ID enumeration */
enum careena_sku {
diff --git a/src/mainboard/google/kahlee/variants/careena/variant.c b/src/mainboard/google/kahlee/variants/careena/variant.c
index 7eda933..e0bd5d1 100644
--- a/src/mainboard/google/kahlee/variants/careena/variant.c
+++ b/src/mainboard/google/kahlee/variants/careena/variant.c
@@ -1,16 +1,5 @@
/* This file is part of the coreboot project. */
-/*
- * Copyright 2020 Google LLC
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
#include <ec/google/chromeec/ec.h>
#include <baseboard/variants.h>
diff --git a/src/mainboard/google/mistral/chromeos.fmd b/src/mainboard/google/mistral/chromeos.fmd
index 44a463b..1a60feb 100644
--- a/src/mainboard/google/mistral/chromeos.fmd
+++ b/src/mainboard/google/mistral/chromeos.fmd
@@ -1,16 +1,5 @@
-##
## This file is part of the coreboot project.
-##
-##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License version 2 and
-## only version 2 as published by the Free Software Foundation.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-only
FLASH@0x0 8M {
WP_RO 4M {
diff --git a/src/mainboard/google/mistral/devicetree.cb b/src/mainboard/google/mistral/devicetree.cb
index 337a20e..fe1fd76 100644
--- a/src/mainboard/google/mistral/devicetree.cb
+++ b/src/mainboard/google/mistral/devicetree.cb
@@ -1,16 +1,5 @@
-##
## This file is part of the coreboot project.
-##
-##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License version 2 and
-## only version 2 as published by the Free Software Foundation.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-only
chip soc/qualcomm/qcs405
device cpu_cluster 0 on end
diff --git a/src/mainboard/google/trogdor/chromeos.fmd b/src/mainboard/google/trogdor/chromeos.fmd
index 383d3ac..fcf75ee 100644
--- a/src/mainboard/google/trogdor/chromeos.fmd
+++ b/src/mainboard/google/trogdor/chromeos.fmd
@@ -1,16 +1,5 @@
-##
## This file is part of the coreboot project.
-##
-##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License version 2 and
-## only version 2 as published by the Free Software Foundation.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-only
FLASH@0x0 8M {
WP_RO 4M {
diff --git a/src/mainboard/google/trogdor/devicetree.cb b/src/mainboard/google/trogdor/devicetree.cb
index 3720374..09cfbbc 100644
--- a/src/mainboard/google/trogdor/devicetree.cb
+++ b/src/mainboard/google/trogdor/devicetree.cb
@@ -1,16 +1,5 @@
-##
## This file is part of the coreboot project.
-##
-##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License version 2 and
-## only version 2 as published by the Free Software Foundation.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-only
chip soc/qualcomm/sc7180
device cpu_cluster 0 on end
diff --git a/src/mainboard/hp/snb_ivb_laptops/devicetree.cb b/src/mainboard/hp/snb_ivb_laptops/devicetree.cb
index 52fd627..b7744cb 100644
--- a/src/mainboard/hp/snb_ivb_laptops/devicetree.cb
+++ b/src/mainboard/hp/snb_ivb_laptops/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/sandybridge
register "gfx.did" = "{ 0x80000100, 0x80000240, 0x80000410 }"
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/2570p/overridetree.cb b/src/mainboard/hp/snb_ivb_laptops/variants/2570p/overridetree.cb
index e6701d6..44e0eeb 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/2570p/overridetree.cb
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/2570p/overridetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/sandybridge
register "gpu_cpu_backlight" = "0x00000437"
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/2760p/overridetree.cb b/src/mainboard/hp/snb_ivb_laptops/variants/2760p/overridetree.cb
index 86b4da9..0341928 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/2760p/overridetree.cb
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/2760p/overridetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/sandybridge
register "gpu_cpu_backlight" = "0x00000129"
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/8460p/overridetree.cb b/src/mainboard/hp/snb_ivb_laptops/variants/8460p/overridetree.cb
index 0d678e6..ebb4412 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/8460p/overridetree.cb
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/8460p/overridetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/sandybridge
register "gpu_cpu_backlight" = "0x00000129"
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/8470p/overridetree.cb b/src/mainboard/hp/snb_ivb_laptops/variants/8470p/overridetree.cb
index 432294e..284231f 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/8470p/overridetree.cb
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/8470p/overridetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/sandybridge
register "gpu_cpu_backlight" = "0x00000385"
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/8770w/overridetree.cb b/src/mainboard/hp/snb_ivb_laptops/variants/8770w/overridetree.cb
index b625500..8375c37 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/8770w/overridetree.cb
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/8770w/overridetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/sandybridge
device domain 0x0 on
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/folio_9470m/overridetree.cb b/src/mainboard/hp/snb_ivb_laptops/variants/folio_9470m/overridetree.cb
index 5179e3a..37694e0 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/folio_9470m/overridetree.cb
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/folio_9470m/overridetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/sandybridge
register "gpu_cpu_backlight" = "0x00000d9c"
diff --git a/src/mainboard/hp/snb_ivb_laptops/variants/revolve_810_g1/overridetree.cb b/src/mainboard/hp/snb_ivb_laptops/variants/revolve_810_g1/overridetree.cb
index 2a02a1b..af87ad4 100644
--- a/src/mainboard/hp/snb_ivb_laptops/variants/revolve_810_g1/overridetree.cb
+++ b/src/mainboard/hp/snb_ivb_laptops/variants/revolve_810_g1/overridetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/sandybridge
register "gpu_cpu_backlight" = "0x00000263"
diff --git a/src/mainboard/intel/d510mo/devicetree.cb b/src/mainboard/intel/d510mo/devicetree.cb
index c1d7a5d..14fe790 100644
--- a/src/mainboard/intel/d510mo/devicetree.cb
+++ b/src/mainboard/intel/d510mo/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/pineview # Northbridge
register "gfx.use_spread_spectrum_clock" = "0"
diff --git a/src/mainboard/intel/dg41wv/devicetree.cb b/src/mainboard/intel/dg41wv/devicetree.cb
index e24e304..0bdae0a 100644
--- a/src/mainboard/intel/dg41wv/devicetree.cb
+++ b/src/mainboard/intel/dg41wv/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device cpu_cluster 0 on # APIC cluster
diff --git a/src/mainboard/intel/dg43gt/devicetree.cb b/src/mainboard/intel/dg43gt/devicetree.cb
index 86fae88..7708e2d 100644
--- a/src/mainboard/intel/dg43gt/devicetree.cb
+++ b/src/mainboard/intel/dg43gt/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device cpu_cluster 0 on # APIC cluster
diff --git a/src/mainboard/lenovo/thinkcentre_a58/devicetree.cb b/src/mainboard/lenovo/thinkcentre_a58/devicetree.cb
index b9a53df..b6a4066 100644
--- a/src/mainboard/lenovo/thinkcentre_a58/devicetree.cb
+++ b/src/mainboard/lenovo/thinkcentre_a58/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/x4x # Northbridge
device cpu_cluster 0 on # APIC cluster
diff --git a/src/mainboard/ocp/tiogapass/Kconfig b/src/mainboard/ocp/tiogapass/Kconfig
index f9b5e7f..5cb2421 100644
--- a/src/mainboard/ocp/tiogapass/Kconfig
+++ b/src/mainboard/ocp/tiogapass/Kconfig
@@ -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; either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
if BOARD_OCP_TIOGAPASS
diff --git a/src/mainboard/ocp/tiogapass/Makefile.inc b/src/mainboard/ocp/tiogapass/Makefile.inc
index e80a594..18cc9b9 100644
--- a/src/mainboard/ocp/tiogapass/Makefile.inc
+++ b/src/mainboard/ocp/tiogapass/Makefile.inc
@@ -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; either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
bootblock-y += bootblock.c
ramstage-y += ramstage.c
diff --git a/src/mainboard/ocp/tiogapass/devicetree.cb b/src/mainboard/ocp/tiogapass/devicetree.cb
index 51e6a62..19dba55 100644
--- a/src/mainboard/ocp/tiogapass/devicetree.cb
+++ b/src/mainboard/ocp/tiogapass/devicetree.cb
@@ -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; either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
chip soc/intel/xeon_sp/skx
diff --git a/src/mainboard/sapphire/pureplatinumh61/Makefile.inc b/src/mainboard/sapphire/pureplatinumh61/Makefile.inc
index 56b1e09..786cfa5 100644
--- a/src/mainboard/sapphire/pureplatinumh61/Makefile.inc
+++ b/src/mainboard/sapphire/pureplatinumh61/Makefile.inc
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
bootblock-y += gpio.c
romstage-y += gpio.c
diff --git a/src/mainboard/sapphire/pureplatinumh61/devicetree.cb b/src/mainboard/sapphire/pureplatinumh61/devicetree.cb
index 529e6fe..a88287e 100644
--- a/src/mainboard/sapphire/pureplatinumh61/devicetree.cb
+++ b/src/mainboard/sapphire/pureplatinumh61/devicetree.cb
@@ -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; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/sandybridge
device cpu_cluster 0x0 on
diff --git a/src/mainboard/supermicro/x10slm-f/Kconfig b/src/mainboard/supermicro/x10slm-f/Kconfig
index 0f53177..c3183d8 100644
--- a/src/mainboard/supermicro/x10slm-f/Kconfig
+++ b/src/mainboard/supermicro/x10slm-f/Kconfig
@@ -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, either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
if BOARD_SUPERMICRO_X10SLM_PLUS_F
diff --git a/src/mainboard/supermicro/x10slm-f/Makefile.inc b/src/mainboard/supermicro/x10slm-f/Makefile.inc
index f4ca0290..f5d0b8f 100644
--- a/src/mainboard/supermicro/x10slm-f/Makefile.inc
+++ b/src/mainboard/supermicro/x10slm-f/Makefile.inc
@@ -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, either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
romstage-y += gpio.c
bootblock-y += bootblock.c
diff --git a/src/mainboard/supermicro/x10slm-f/devicetree.cb b/src/mainboard/supermicro/x10slm-f/devicetree.cb
index 2dd5c5d..56a7733 100644
--- a/src/mainboard/supermicro/x10slm-f/devicetree.cb
+++ b/src/mainboard/supermicro/x10slm-f/devicetree.cb
@@ -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, either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
+## SPDX-License-Identifier: GPL-2.0-or-later
chip northbridge/intel/haswell