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authorPatrick Georgi <pgeorgi@google.com>2020-03-04 13:59:17 +0100
committerPatrick Georgi <pgeorgi@google.com>2020-03-06 07:47:25 +0000
commit864dc3b0081ad89faf2f2ae02093f009bc0f6ac7 (patch)
treeb3d38ec7920bf25727a58819266c4b71e35bd3c0 /src
parentce603d59119df32d960fccf84d66e939534673d1 (diff)
downloadcoreboot-864dc3b0081ad89faf2f2ae02093f009bc0f6ac7.tar.xz
src/arch/arm: Convert to SPDX license header
This also drops individual copyright notices, all mentioned authors in that part of the tree are already listed in AUTHORS. Change-Id: Ic2bab77edaf7ad97b7f3278cb108226a18cf3791 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/39278 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Diffstat (limited to 'src')
-rw-r--r--src/arch/arm/Makefile.inc10
-rw-r--r--src/arch/arm/armv4/Makefile.inc10
-rw-r--r--src/arch/arm/armv4/bootblock.S14
-rw-r--r--src/arch/arm/armv4/cache.c29
-rw-r--r--src/arch/arm/armv7/Makefile.inc10
-rw-r--r--src/arch/arm/armv7/bootblock.S18
-rw-r--r--src/arch/arm/armv7/bootblock_m.S31
-rw-r--r--src/arch/arm/armv7/cache.c29
-rw-r--r--src/arch/arm/armv7/cache_m.c29
-rw-r--r--src/arch/arm/armv7/cpu.S30
-rw-r--r--src/arch/arm/armv7/exception.c30
-rw-r--r--src/arch/arm/armv7/exception_asm.S30
-rw-r--r--src/arch/arm/armv7/exception_mr.c30
-rw-r--r--src/arch/arm/armv7/mmu.c31
-rw-r--r--src/arch/arm/armv7/thread.c14
-rw-r--r--src/arch/arm/asmlib.h13
-rw-r--r--src/arch/arm/boot.c14
-rw-r--r--src/arch/arm/clock.c32
-rw-r--r--src/arch/arm/cpu.c32
-rw-r--r--src/arch/arm/div0.c15
-rw-r--r--src/arch/arm/eabi_compat.c17
-rw-r--r--src/arch/arm/id.S14
-rw-r--r--src/arch/arm/include/arch/asm.h14
-rw-r--r--src/arch/arm/include/arch/boot/boot.h14
-rw-r--r--src/arch/arm/include/arch/byteorder.h14
-rw-r--r--src/arch/arm/include/arch/cbconfig.h14
-rw-r--r--src/arch/arm/include/arch/clock.h14
-rw-r--r--src/arch/arm/include/arch/header.ld14
-rw-r--r--src/arch/arm/include/arch/hlt.h14
-rw-r--r--src/arch/arm/include/arch/memlayout.h14
-rw-r--r--src/arch/arm/include/arch/pci_ops.h14
-rw-r--r--src/arch/arm/include/arch/stages.h14
-rw-r--r--src/arch/arm/include/armv4/arch/cache.h29
-rw-r--r--src/arch/arm/include/armv4/arch/cpu.h14
-rw-r--r--src/arch/arm/include/armv4/arch/exception.h30
-rw-r--r--src/arch/arm/include/armv4/arch/mmio.h16
-rw-r--r--src/arch/arm/include/armv4/arch/smp/spinlock.h14
-rw-r--r--src/arch/arm/include/armv7.h16
-rw-r--r--src/arch/arm/include/armv7/arch/cache.h30
-rw-r--r--src/arch/arm/include/armv7/arch/cpu.h14
-rw-r--r--src/arch/arm/include/armv7/arch/exception.h30
-rw-r--r--src/arch/arm/include/armv7/arch/mmio.h13
-rw-r--r--src/arch/arm/include/clocks.h15
-rw-r--r--src/arch/arm/include/smp/spinlock.h14
-rw-r--r--src/arch/arm/libgcc/Makefile.inc10
-rw-r--r--src/arch/arm/libgcc/ashldi3.S25
-rw-r--r--src/arch/arm/libgcc/lib1funcs.S25
-rw-r--r--src/arch/arm/libgcc/libgcc.h14
-rw-r--r--src/arch/arm/libgcc/lshrdi3.S25
-rw-r--r--src/arch/arm/libgcc/muldi3.S17
-rw-r--r--src/arch/arm/libgcc/ucmpdi2.S17
-rw-r--r--src/arch/arm/libgcc/udivmoddi4.c14
-rw-r--r--src/arch/arm/libgcc/uldivmod.S38
-rw-r--r--src/arch/arm/libgcc/umoddi3.c14
-rw-r--r--src/arch/arm/memcpy.S13
-rw-r--r--src/arch/arm/memmove.S17
-rw-r--r--src/arch/arm/memset.S13
-rw-r--r--src/arch/arm/stages.c14
-rw-r--r--src/arch/arm/tables.c14
59 files changed, 123 insertions, 1004 deletions
diff --git a/src/arch/arm/Makefile.inc b/src/arch/arm/Makefile.inc
index 508b0a80f8..a8abfaf4cc 100644
--- a/src/arch/arm/Makefile.inc
+++ b/src/arch/arm/Makefile.inc
@@ -1,16 +1,8 @@
################################################################################
##
+## SPDX-License-Identifier: GPL-2.0-only
## This file is part of the coreboot project.
##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License as published by
-## the Free Software Foundation; version 2 of the License.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
###############################################################################
# ARM specific options
diff --git a/src/arch/arm/armv4/Makefile.inc b/src/arch/arm/armv4/Makefile.inc
index 2cc5ebba8c..b3366bf9ec 100644
--- a/src/arch/arm/armv4/Makefile.inc
+++ b/src/arch/arm/armv4/Makefile.inc
@@ -1,16 +1,8 @@
################################################################################
##
+## SPDX-License-Identifier: GPL-2.0-only
## This file is part of the coreboot project.
##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License as published by
-## the Free Software Foundation; version 2 of the License.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
###############################################################################
armv4_flags = -marm -march=armv4t -I$(src)/arch/arm/include/armv4/ \
diff --git a/src/arch/arm/armv4/bootblock.S b/src/arch/arm/armv4/bootblock.S
index cf37647e27..9bf9614762 100644
--- a/src/arch/arm/armv4/bootblock.S
+++ b/src/arch/arm/armv4/bootblock.S
@@ -1,16 +1,6 @@
+/* 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.
- *
* Early initialization code for ARM architecture.
*
* This file is based off of the OMAP3530/ARM Cortex start.S file from Das
diff --git a/src/arch/arm/armv4/cache.c b/src/arch/arm/armv4/cache.c
index 140beee060..a79df69203 100644
--- a/src/arch/arm/armv4/cache.c
+++ b/src/arch/arm/armv4/cache.c
@@ -1,31 +1,6 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* This file is part of the coreboot project. */
/*
- * This file is part of the coreboot project.
- *
- * Copyright 2013 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
* cache.c: Cache maintenance routines for ARMv7-A and ARMv7-R
*
* Reference: ARM Architecture Reference Manual, ARMv7-A and ARMv7-R edition
diff --git a/src/arch/arm/armv7/Makefile.inc b/src/arch/arm/armv7/Makefile.inc
index 58592a0818..756412a19c 100644
--- a/src/arch/arm/armv7/Makefile.inc
+++ b/src/arch/arm/armv7/Makefile.inc
@@ -1,16 +1,8 @@
################################################################################
##
+## SPDX-License-Identifier: GPL-2.0-only
## This file is part of the coreboot project.
##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License as published by
-## the Free Software Foundation; version 2 of the License.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
###############################################################################
armv7_flags = -mthumb -I$(src)/arch/arm/include/armv7/ -D__COREBOOT_ARM_ARCH__=7
diff --git a/src/arch/arm/armv7/bootblock.S b/src/arch/arm/armv7/bootblock.S
index da2671c519..62d3c1feb8 100644
--- a/src/arch/arm/armv7/bootblock.S
+++ b/src/arch/arm/armv7/bootblock.S
@@ -1,22 +1,12 @@
+/* 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.
- *
- * Early initialization code for ARMv7 architecture.
- *
* This file is based off of the OMAP3530/ARM Cortex start.S file from Das
* U-Boot, which itself got the file from armboot.
*/
+/* Early initialization code for ARMv7 architecture. */
+
#include <arch/asm.h>
.arm
diff --git a/src/arch/arm/armv7/bootblock_m.S b/src/arch/arm/armv7/bootblock_m.S
index 2e46ca064f..4d691414ba 100644
--- a/src/arch/arm/armv7/bootblock_m.S
+++ b/src/arch/arm/armv7/bootblock_m.S
@@ -1,32 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2014 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- */
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* This file is part of the coreboot project. */
#include <arch/asm.h>
diff --git a/src/arch/arm/armv7/cache.c b/src/arch/arm/armv7/cache.c
index ef3ad018fc..eea63ac27a 100644
--- a/src/arch/arm/armv7/cache.c
+++ b/src/arch/arm/armv7/cache.c
@@ -1,31 +1,6 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* This file is part of the coreboot project. */
/*
- * This file is part of the coreboot project.
- *
- * Copyright 2013 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
* cache.c: Cache maintenance routines for ARMv7-A and ARMv7-R
*
* Reference: ARM Architecture Reference Manual, ARMv7-A and ARMv7-R edition
diff --git a/src/arch/arm/armv7/cache_m.c b/src/arch/arm/armv7/cache_m.c
index ec8a970167..f4bede6d20 100644
--- a/src/arch/arm/armv7/cache_m.c
+++ b/src/arch/arm/armv7/cache_m.c
@@ -1,31 +1,6 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* This file is part of the coreboot project. */
/*
- * This file is part of the coreboot project.
- *
- * Copyright 2014 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
* cache.c: Cache maintenance routines for ARMv7-M
*/
diff --git a/src/arch/arm/armv7/cpu.S b/src/arch/arm/armv7/cpu.S
index 3f90c0b611..4d1ce8ed96 100644
--- a/src/arch/arm/armv7/cpu.S
+++ b/src/arch/arm/armv7/cpu.S
@@ -1,32 +1,6 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* This file is part of the coreboot project. */
/*
- * This file is part of the coreboot project.
- *
- * Copyright (c) 2010 Per Odlund <per.odlund@armagedon.se>
- * Copyright (c) 2014 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
* Optimized assembly for low-level CPU operations on ARMv7 processors.
*
* Cache flushing code based off sys/arch/arm/arm/cpufunc_asm_armv7.S in NetBSD
diff --git a/src/arch/arm/armv7/exception.c b/src/arch/arm/armv7/exception.c
index d6891b0b8d..372cd40311 100644
--- a/src/arch/arm/armv7/exception.c
+++ b/src/arch/arm/armv7/exception.c
@@ -1,31 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2013 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* This file is part of the coreboot project. */
#include <stdint.h>
#include <types.h>
diff --git a/src/arch/arm/armv7/exception_asm.S b/src/arch/arm/armv7/exception_asm.S
index 6aa4188abc..8d14dbd3b4 100644
--- a/src/arch/arm/armv7/exception_asm.S
+++ b/src/arch/arm/armv7/exception_asm.S
@@ -1,31 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2013 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* This file is part of the coreboot project. */
.text
diff --git a/src/arch/arm/armv7/exception_mr.c b/src/arch/arm/armv7/exception_mr.c
index 01e834ea47..075641b7e9 100644
--- a/src/arch/arm/armv7/exception_mr.c
+++ b/src/arch/arm/armv7/exception_mr.c
@@ -1,31 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2013 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* This file is part of the coreboot project. */
#include <arch/exception.h>
#include <console/console.h>
diff --git a/src/arch/arm/armv7/mmu.c b/src/arch/arm/armv7/mmu.c
index 77b9b4b435..36a6a09050 100644
--- a/src/arch/arm/armv7/mmu.c
+++ b/src/arch/arm/armv7/mmu.c
@@ -1,32 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (c) 2015, The Linux Foundation. All rights reserved.
- * Copyright 2013 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* This file is part of the coreboot project. */
#include <assert.h>
#include <commonlib/helpers.h>
diff --git a/src/arch/arm/armv7/thread.c b/src/arch/arm/armv7/thread.c
index 4e82be708c..c5d2bd54d8 100644
--- a/src/arch/arm/armv7/thread.c
+++ b/src/arch/arm/armv7/thread.c
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#include <thread.h>
diff --git a/src/arch/arm/asmlib.h b/src/arch/arm/asmlib.h
index cae4081efd..6769352d52 100644
--- a/src/arch/arm/asmlib.h
+++ b/src/arch/arm/asmlib.h
@@ -1,15 +1,6 @@
+/* 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 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.
- *
* This file contains arm architecture specific defines
* for the different processors.
*
diff --git a/src/arch/arm/boot.c b/src/arch/arm/boot.c
index 9d1e4cde5f..dfd568fbde 100644
--- a/src/arch/arm/boot.c
+++ b/src/arch/arm/boot.c
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#include <arch/cache.h>
#include <program_loading.h>
diff --git a/src/arch/arm/clock.c b/src/arch/arm/clock.c
index 5f68e6fa9d..71dfc8df1a 100644
--- a/src/arch/arm/clock.c
+++ b/src/arch/arm/clock.c
@@ -1,32 +1,6 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2014 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- */
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* This file is part of the coreboot project. */
+
#include <stdint.h>
#include <arch/clock.h>
diff --git a/src/arch/arm/cpu.c b/src/arch/arm/cpu.c
index 1e0e0fd60b..f4e7db70ec 100644
--- a/src/arch/arm/cpu.c
+++ b/src/arch/arm/cpu.c
@@ -1,32 +1,6 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2013 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- */
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* This file is part of the coreboot project. */
+
#include <arch/cpu.h>
#include <commonlib/helpers.h>
diff --git a/src/arch/arm/div0.c b/src/arch/arm/div0.c
index fa3bf7f090..28ca0e3e5e 100644
--- a/src/arch/arm/div0.c
+++ b/src/arch/arm/div0.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; 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 */
+/* This file is part of the coreboot project. */
#include <console/console.h>
diff --git a/src/arch/arm/eabi_compat.c b/src/arch/arm/eabi_compat.c
index b2caf9c377..ec078909da 100644
--- a/src/arch/arm/eabi_compat.c
+++ b/src/arch/arm/eabi_compat.c
@@ -1,18 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is Free Software; 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.
- *
- * Utility functions needed for (some) EABI conformant tool chains.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* This file is part of the coreboot project. */
#include <stddef.h>
#include <string.h>
diff --git a/src/arch/arm/id.S b/src/arch/arm/id.S
index 16173fb598..3cdd013535 100644
--- a/src/arch/arm/id.S
+++ b/src/arch/arm/id.S
@@ -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 <build.h>
diff --git a/src/arch/arm/include/arch/asm.h b/src/arch/arm/include/arch/asm.h
index b9591b6b86..7ecdfe18a7 100644
--- a/src/arch/arm/include/arch/asm.h
+++ b/src/arch/arm/include/arch/asm.h
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#ifndef __ARM_ASM_H
#define __ARM_ASM_H
diff --git a/src/arch/arm/include/arch/boot/boot.h b/src/arch/arm/include/arch/boot/boot.h
index 07d3adcf7d..c73fe217df 100644
--- a/src/arch/arm/include/arch/boot/boot.h
+++ b/src/arch/arm/include/arch/boot/boot.h
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#ifndef ASM_ARM_BOOT_H
#define ASM_ARM_BOOT_H
diff --git a/src/arch/arm/include/arch/byteorder.h b/src/arch/arm/include/arch/byteorder.h
index 37cb8b6df6..096ef7585a 100644
--- a/src/arch/arm/include/arch/byteorder.h
+++ b/src/arch/arm/include/arch/byteorder.h
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#ifndef _BYTEORDER_H
#define _BYTEORDER_H
diff --git a/src/arch/arm/include/arch/cbconfig.h b/src/arch/arm/include/arch/cbconfig.h
index 35c1387895..fedc8bdcc6 100644
--- a/src/arch/arm/include/arch/cbconfig.h
+++ b/src/arch/arm/include/arch/cbconfig.h
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#ifndef _ARCH_CBCONFIG_H_
#define _ARCH_CBCONFIG_H_
diff --git a/src/arch/arm/include/arch/clock.h b/src/arch/arm/include/arch/clock.h
index 248da0607a..2139f017c0 100644
--- a/src/arch/arm/include/arch/clock.h
+++ b/src/arch/arm/include/arch/clock.h
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#ifndef __ARM_CLOCK_H_
#define __ARM_CLOCK_H_
diff --git a/src/arch/arm/include/arch/header.ld b/src/arch/arm/include/arch/header.ld
index 5d93673579..c834879023 100644
--- a/src/arch/arm/include/arch/header.ld
+++ b/src/arch/arm/include/arch/header.ld
@@ -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 <rules.h>
diff --git a/src/arch/arm/include/arch/hlt.h b/src/arch/arm/include/arch/hlt.h
index 915f4c003a..064d42583a 100644
--- a/src/arch/arm/include/arch/hlt.h
+++ b/src/arch/arm/include/arch/hlt.h
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#ifndef ARCH_HLT_H
#define ARCH_HLT_H
diff --git a/src/arch/arm/include/arch/memlayout.h b/src/arch/arm/include/arch/memlayout.h
index 26b8ef4708..7a8fc0cb9d 100644
--- a/src/arch/arm/include/arch/memlayout.h
+++ b/src/arch/arm/include/arch/memlayout.h
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
/* This file contains macro definitions for memlayout.ld linker scripts. */
diff --git a/src/arch/arm/include/arch/pci_ops.h b/src/arch/arm/include/arch/pci_ops.h
index 8389f3c4e4..54897fefe0 100644
--- a/src/arch/arm/include/arch/pci_ops.h
+++ b/src/arch/arm/include/arch/pci_ops.h
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#ifndef ARCH_ARM_PCI_OPS_H
#define ARCH_ARM_PCI_OPS_H
diff --git a/src/arch/arm/include/arch/stages.h b/src/arch/arm/include/arch/stages.h
index 795a3a3e7a..09167846cd 100644
--- a/src/arch/arm/include/arch/stages.h
+++ b/src/arch/arm/include/arch/stages.h
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#ifndef __ARCH_STAGES_H
#define __ARCH_STAGES_H
diff --git a/src/arch/arm/include/armv4/arch/cache.h b/src/arch/arm/include/armv4/arch/cache.h
index ed3b96fffe..ee4bf9c603 100644
--- a/src/arch/arm/include/armv4/arch/cache.h
+++ b/src/arch/arm/include/armv4/arch/cache.h
@@ -1,31 +1,6 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* This file is part of the coreboot project. */
/*
- * This file is part of the coreboot project.
- *
- * Copyright 2013 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
* cache.h: Cache maintenance API for ARM
*/
diff --git a/src/arch/arm/include/armv4/arch/cpu.h b/src/arch/arm/include/armv4/arch/cpu.h
index 3a27743cbf..765ea0295d 100644
--- a/src/arch/arm/include/armv4/arch/cpu.h
+++ b/src/arch/arm/include/armv4/arch/cpu.h
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#ifndef __ARCH_CPU_H__
#define __ARCH_CPU_H__
diff --git a/src/arch/arm/include/armv4/arch/exception.h b/src/arch/arm/include/armv4/arch/exception.h
index d4e9658f75..1e71c53f08 100644
--- a/src/arch/arm/include/armv4/arch/exception.h
+++ b/src/arch/arm/include/armv4/arch/exception.h
@@ -1,31 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2013 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* This file is part of the coreboot project. */
#ifndef _ARCH_EXCEPTION_H
#define _ARCH_EXCEPTION_H
diff --git a/src/arch/arm/include/armv4/arch/mmio.h b/src/arch/arm/include/armv4/arch/mmio.h
index 2c43789abf..71bf887ab9 100644
--- a/src/arch/arm/include/armv4/arch/mmio.h
+++ b/src/arch/arm/include/armv4/arch/mmio.h
@@ -1,16 +1,6 @@
-/*
- * This file is part of the 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 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.
- *
- * Originally imported from linux/include/asm-arm/io.h. This file has changed
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
+/* Originally imported from linux/include/asm-arm/io.h. This file has changed
* substantially since then.
*/
diff --git a/src/arch/arm/include/armv4/arch/smp/spinlock.h b/src/arch/arm/include/armv4/arch/smp/spinlock.h
index e49dc4440a..59656c3868 100644
--- a/src/arch/arm/include/armv4/arch/smp/spinlock.h
+++ b/src/arch/arm/include/armv4/arch/smp/spinlock.h
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#ifndef _ARCH_SMP_SPINLOCK_H
#define _ARCH_SMP_SPINLOCK_H
diff --git a/src/arch/arm/include/armv7.h b/src/arch/arm/include/armv7.h
index 626e6083f3..7f1d6098f9 100644
--- a/src/arch/arm/include/armv7.h
+++ b/src/arch/arm/include/armv7.h
@@ -1,16 +1,6 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; 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 */
+/* This file is part of the coreboot project. */
+
#ifndef ARMV7_H
#define ARMV7_H
#include <types.h>
diff --git a/src/arch/arm/include/armv7/arch/cache.h b/src/arch/arm/include/armv7/arch/cache.h
index b2b6a33333..01918a7286 100644
--- a/src/arch/arm/include/armv7/arch/cache.h
+++ b/src/arch/arm/include/armv7/arch/cache.h
@@ -1,32 +1,6 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* This file is part of the coreboot project. */
/*
- * This file is part of the coreboot project.
- *
- * Copyright (c) 2015, The Linux Foundation. All rights reserved.
- * Copyright 2013 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
* cache.h: Cache maintenance API for ARM
*/
diff --git a/src/arch/arm/include/armv7/arch/cpu.h b/src/arch/arm/include/armv7/arch/cpu.h
index 0377e2a5c9..60db1d74eb 100644
--- a/src/arch/arm/include/armv7/arch/cpu.h
+++ b/src/arch/arm/include/armv7/arch/cpu.h
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#ifndef __ARCH_CPU_H__
#define __ARCH_CPU_H__
diff --git a/src/arch/arm/include/armv7/arch/exception.h b/src/arch/arm/include/armv7/arch/exception.h
index df3930977b..958a51bdda 100644
--- a/src/arch/arm/include/armv7/arch/exception.h
+++ b/src/arch/arm/include/armv7/arch/exception.h
@@ -1,31 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2013 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* This file is part of the coreboot project. */
#ifndef _ARCH_EXCEPTION_H
#define _ARCH_EXCEPTION_H
diff --git a/src/arch/arm/include/armv7/arch/mmio.h b/src/arch/arm/include/armv7/arch/mmio.h
index 87f68715e8..47b2e84876 100644
--- a/src/arch/arm/include/armv7/arch/mmio.h
+++ b/src/arch/arm/include/armv7/arch/mmio.h
@@ -1,15 +1,6 @@
+/* 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 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.
- *
* Originally imported from linux/include/asm-arm/io.h. This file has changed
* substantially since then.
*/
diff --git a/src/arch/arm/include/clocks.h b/src/arch/arm/include/clocks.h
index 4904b6e96a..4379b63468 100644
--- a/src/arch/arm/include/clocks.h
+++ b/src/arch/arm/include/clocks.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; 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 */
+/* This file is part of the coreboot project. */
/* Standard clock speeds */
diff --git a/src/arch/arm/include/smp/spinlock.h b/src/arch/arm/include/smp/spinlock.h
index 189bf2c507..3183cc1c80 100644
--- a/src/arch/arm/include/smp/spinlock.h
+++ b/src/arch/arm/include/smp/spinlock.h
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#ifndef ARCH_SMP_SPINLOCK_H
#define ARCH_SMP_SPINLOCK_H
diff --git a/src/arch/arm/libgcc/Makefile.inc b/src/arch/arm/libgcc/Makefile.inc
index 2d0f6a81da..b64a5fa1e8 100644
--- a/src/arch/arm/libgcc/Makefile.inc
+++ b/src/arch/arm/libgcc/Makefile.inc
@@ -1,16 +1,8 @@
################################################################################
##
+## SPDX-License-Identifier: GPL-2.0-only
## This file is part of the coreboot project.
##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License as published by
-## the Free Software Foundation; version 2 of the License.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
################################################################################
libgcc_files = ashldi3.S lib1funcs.S lshrdi3.S muldi3.S ucmpdi2.S uldivmod.S
diff --git a/src/arch/arm/libgcc/ashldi3.S b/src/arch/arm/libgcc/ashldi3.S
index 473e15f3f3..8243cedc35 100644
--- a/src/arch/arm/libgcc/ashldi3.S
+++ b/src/arch/arm/libgcc/ashldi3.S
@@ -1,26 +1,5 @@
-/*
-This file is part of the coreboot project.
-
-This file is free software; 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, or (at your option) any
-later version.
-
-In addition to the permissions in the GNU General Public License, the
-Free Software Foundation gives you unlimited permission to link the
-compiled version of this file into combinations with other programs,
-and to distribute those combinations without any restriction coming
-from the use of this file. (The General Public License restrictions
-do apply in other respects; for example, they cover modification of
-the file, and distribution when not linked into a combine
-executable.)
-
-This file is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied 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 */
+/* This file is part of the coreboot project. */
#if defined __GNUC__
diff --git a/src/arch/arm/libgcc/lib1funcs.S b/src/arch/arm/libgcc/lib1funcs.S
index 5c2a6ade17..af98022eaf 100644
--- a/src/arch/arm/libgcc/lib1funcs.S
+++ b/src/arch/arm/libgcc/lib1funcs.S
@@ -1,26 +1,5 @@
-/*
-This file is part of the coreboot project.
-
-This file is free software; 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, or (at your option) any
-later version.
-
-In addition to the permissions in the GNU General Public License, the
-Free Software Foundation gives you unlimited permission to link the
-compiled version of this file into combinations with other programs,
-and to distribute those combinations without any restriction coming
-from the use of this file. (The General Public License restrictions
-do apply in other respects; for example, they cover modification of
-the file, and distribution when not linked into a combine
-executable.)
-
-This file is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied 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 */
+/* This file is part of the coreboot project. */
/*
* linux/arch/arm/lib/lib1funcs.S: Optimized ARM division routines
*/
diff --git a/src/arch/arm/libgcc/libgcc.h b/src/arch/arm/libgcc/libgcc.h
index 95f4564a29..a8407dd35c 100644
--- a/src/arch/arm/libgcc/libgcc.h
+++ b/src/arch/arm/libgcc/libgcc.h
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#ifndef __ARCH_ARM_LIBGCC_LIBGCC_H__
#define __ARCH_ARM_LIBGCC_LIBGCC_H__
diff --git a/src/arch/arm/libgcc/lshrdi3.S b/src/arch/arm/libgcc/lshrdi3.S
index 5e67690010..4c55384bd8 100644
--- a/src/arch/arm/libgcc/lshrdi3.S
+++ b/src/arch/arm/libgcc/lshrdi3.S
@@ -1,26 +1,5 @@
-/*
-This file is part of the coreboot project.
-
-This file is free software; 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, or (at your option) any
-later version.
-
-In addition to the permissions in the GNU General Public License, the
-Free Software Foundation gives you unlimited permission to link the
-compiled version of this file into combinations with other programs,
-and to distribute those combinations without any restriction coming
-from the use of this file. (The General Public License restrictions
-do apply in other respects; for example, they cover modification of
-the file, and distribution when not linked into a combine
-executable.)
-
-This file is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied 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 */
+/* This file is part of the coreboot project. */
#if defined __GNUC__
diff --git a/src/arch/arm/libgcc/muldi3.S b/src/arch/arm/libgcc/muldi3.S
index c7584745b9..98136f566a 100644
--- a/src/arch/arm/libgcc/muldi3.S
+++ b/src/arch/arm/libgcc/muldi3.S
@@ -1,17 +1,6 @@
-/*
- * This file is part of the 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 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.
- *
- * Based on linux/arch/arm/lib/muldi3.S
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
+/* Based on linux/arch/arm/lib/muldi3.S */
#if defined __GNUC__
diff --git a/src/arch/arm/libgcc/ucmpdi2.S b/src/arch/arm/libgcc/ucmpdi2.S
index 771e93b502..27671a29fa 100644
--- a/src/arch/arm/libgcc/ucmpdi2.S
+++ b/src/arch/arm/libgcc/ucmpdi2.S
@@ -1,17 +1,6 @@
-/*
- * This file is part of the 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 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.
- *
- * Based on linux/arch/arm/lib/ucmpdi2.S
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
+/* Based on linux/arch/arm/lib/ucmpdi2.S */
#if defined __GNUC__
diff --git a/src/arch/arm/libgcc/udivmoddi4.c b/src/arch/arm/libgcc/udivmoddi4.c
index 6073848fb2..7c4b2563dd 100644
--- a/src/arch/arm/libgcc/udivmoddi4.c
+++ b/src/arch/arm/libgcc/udivmoddi4.c
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#include "libgcc.h"
diff --git a/src/arch/arm/libgcc/uldivmod.S b/src/arch/arm/libgcc/uldivmod.S
index ecbeccfe4b..528be4654e 100644
--- a/src/arch/arm/libgcc/uldivmod.S
+++ b/src/arch/arm/libgcc/uldivmod.S
@@ -1,39 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2010, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- */
+/* SPDX-License-Identifier: GPL-2.0-only OR BSD-3-Clause */
+/* This file is part of the coreboot project. */
#include <arch/asm.h>
diff --git a/src/arch/arm/libgcc/umoddi3.c b/src/arch/arm/libgcc/umoddi3.c
index a1d9a161c2..0f111f2b13 100644
--- a/src/arch/arm/libgcc/umoddi3.c
+++ b/src/arch/arm/libgcc/umoddi3.c
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#include "libgcc.h"
uint64_t __umoddi3(uint64_t num, uint64_t den)
diff --git a/src/arch/arm/memcpy.S b/src/arch/arm/memcpy.S
index 19592dbfaf..50b34f6e9e 100644
--- a/src/arch/arm/memcpy.S
+++ b/src/arch/arm/memcpy.S
@@ -1,15 +1,6 @@
+/* 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 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.
- *
* Based on linux/arch/arm/lib/memcpy.S
*/
diff --git a/src/arch/arm/memmove.S b/src/arch/arm/memmove.S
index 3b5681ced2..bcee5c98bd 100644
--- a/src/arch/arm/memmove.S
+++ b/src/arch/arm/memmove.S
@@ -1,17 +1,6 @@
-/*
- * This file is part of the 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 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.
- *
- * Based on linux/arch/arm/lib/memmove.S
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
+/* Based on linux/arch/arm/lib/memmove.S */
#include <arch/asm.h>
#include "asmlib.h"
diff --git a/src/arch/arm/memset.S b/src/arch/arm/memset.S
index 7d71a88bc3..d4cd2aabb9 100644
--- a/src/arch/arm/memset.S
+++ b/src/arch/arm/memset.S
@@ -1,15 +1,6 @@
+/* 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 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.
- *
* Based on linux/arch/arm/lib/memset.S
*
* ASM optimised string functions
diff --git a/src/arch/arm/stages.c b/src/arch/arm/stages.c
index fc2ebdb2fc..c1ea3d24ad 100644
--- a/src/arch/arm/stages.c
+++ b/src/arch/arm/stages.c
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
/*
* This file contains entry/exit functions for each stage during coreboot
diff --git a/src/arch/arm/tables.c b/src/arch/arm/tables.c
index ab2b579f0a..2d79585506 100644
--- a/src/arch/arm/tables.c
+++ b/src/arch/arm/tables.c
@@ -1,15 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
#include <bootmem.h>
#include <boot/tables.h>