diff --git a/util/archive/Makefile b/util/archive/Makefile
index d4b58f7..2de6a62 100644
--- a/util/archive/Makefile
+++ b/util/archive/Makefile
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 PROGRAM = archive
 HOSTCC ?= gcc
 WERROR=-Werror
diff --git a/util/bincfg/Makefile b/util/bincfg/Makefile
index ca375a5..dbcbc77 100644
--- a/util/bincfg/Makefile
+++ b/util/bincfg/Makefile
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 CC = gcc
 YACC = bison
 LEX = flex
diff --git a/util/bincfg/Makefile.inc b/util/bincfg/Makefile.inc
index 81c6af6..0f5f442 100644
--- a/util/bincfg/Makefile.inc
+++ b/util/bincfg/Makefile.inc
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 bincfg_obj := bincfg.lex.o bincfg.tab.o
 
 BINCFG_FLAGS += -I$(top)/util/bincfg -I$(objutil)/bincfg
diff --git a/util/bucts/Makefile b/util/bucts/Makefile
index 98f7314..d32258d 100644
--- a/util/bucts/Makefile
+++ b/util/bucts/Makefile
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 CC:=gcc
 OBJ:=bucts.o
 TARGET=bucts
diff --git a/util/cbfstool/Makefile.inc b/util/cbfstool/Makefile.inc
index a60cee1..8428f8a 100644
--- a/util/cbfstool/Makefile.inc
+++ b/util/cbfstool/Makefile.inc
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 compressionobj :=
 compressionobj += compress.o
 # LZ4
diff --git a/util/cbfstool/bpdt_formats/Makefile.inc b/util/cbfstool/bpdt_formats/Makefile.inc
index c676489..a3be46b 100644
--- a/util/cbfstool/bpdt_formats/Makefile.inc
+++ b/util/cbfstool/bpdt_formats/Makefile.inc
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 
 bpdt_formats_obj += bpdt_1_6.o
 bpdt_formats_obj += bpdt_1_7.o
diff --git a/util/cbfstool/fpt_formats/Makefile.inc b/util/cbfstool/fpt_formats/Makefile.inc
index 865eaed..11cb30d 100644
--- a/util/cbfstool/fpt_formats/Makefile.inc
+++ b/util/cbfstool/fpt_formats/Makefile.inc
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 
 fpt_formats_obj += fpt_hdr_20.o
 fpt_formats_obj += fpt_hdr_21.o
diff --git a/util/cbfstool/lz4/Makefile b/util/cbfstool/lz4/Makefile
index 931da35..4506267 100644
--- a/util/cbfstool/lz4/Makefile
+++ b/util/cbfstool/lz4/Makefile
@@ -1,30 +1,9 @@
+## SPDX-License-Identifier: BSD-2-Clause
 # ################################################################
 # LZ4 - Makefile
 # Copyright (C) Yann Collet 2011-2015
 # All rights reserved.
 #
-# BSD license
-# 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.
-#
-# 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 HOLDER 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.
-#
 # You can contact the author at :
 #  - LZ4 source repository : https://github.com/Cyan4973/lz4
 #  - LZ4 forum froup : https://groups.google.com/forum/#!forum/lz4c
diff --git a/util/cbfstool/lz4/lib/Makefile b/util/cbfstool/lz4/lib/Makefile
index 12a741d..ed59577 100644
--- a/util/cbfstool/lz4/lib/Makefile
+++ b/util/cbfstool/lz4/lib/Makefile
@@ -1,30 +1,9 @@
+## SPDX-License-Identifier: BSD-2-Clause
 # ################################################################
 # LZ4 library - Makefile
 # Copyright (C) Yann Collet 2011-2015
 # All rights reserved.
 #
-# BSD license
-# 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.
-#
-# 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 HOLDER 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.
-#
 # You can contact the author at :
 #  - LZ4 source repository : https://github.com/Cyan4973/lz4
 #  - LZ4 forum froup : https://groups.google.com/forum/#!forum/lz4c
diff --git a/util/crossgcc/Makefile b/util/crossgcc/Makefile
index cb552dd..06ec91c 100644
--- a/util/crossgcc/Makefile
+++ b/util/crossgcc/Makefile
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 # if no architecture is specified, set a default
 BUILD_PLATFORM ?= i386-elf
 DEST ?= $(CURDIR)/xgcc
diff --git a/util/futility/Makefile b/util/futility/Makefile
index 2eaab3e..6901948 100644
--- a/util/futility/Makefile
+++ b/util/futility/Makefile
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 top ?= $(abspath ../..)
 objutil ?= $(top)/util
 RM ?= rm
diff --git a/util/futility/Makefile.inc b/util/futility/Makefile.inc
index 1033fc5..a7bcee5 100644
--- a/util/futility/Makefile.inc
+++ b/util/futility/Makefile.inc
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 additional-dirs += $(objutil)/futility
 
 VBOOT_FUTILITY = $(VBOOT_HOST_BUILD)/futility/futility
diff --git a/util/fuzz-tests/Makefile b/util/fuzz-tests/Makefile
index e97643f..641f0f4 100644
--- a/util/fuzz-tests/Makefile
+++ b/util/fuzz-tests/Makefile
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 all:
 	afl-gcc -g -m32 -I ../../src/lib -o jpeg-test jpeg-test.c ../../src/lib/jpeg.c
 
diff --git a/util/intelp2m/Makefile b/util/intelp2m/Makefile
index 1d9ba70..2731bc7 100644
--- a/util/intelp2m/Makefile
+++ b/util/intelp2m/Makefile
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 # simple makefile for the project
 
 OUTPUT_DIR = generate
diff --git a/util/kbc1126/Makefile b/util/kbc1126/Makefile
index 4826874..5b62878 100644
--- a/util/kbc1126/Makefile
+++ b/util/kbc1126/Makefile
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 obj = kbc1126_ec_dump kbc1126_ec_insert
 HOSTCC := $(if $(shell type gcc 2>/dev/null),gcc,cc)
 
diff --git a/util/lint/Makefile b/util/lint/Makefile
index 1a4fec8..29f6683 100644
--- a/util/lint/Makefile
+++ b/util/lint/Makefile
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 sort: sort-spelling.txt
 
 sort-%: %
diff --git a/util/marvell/Makefile.inc b/util/marvell/Makefile.inc
index 08dbf72..d58c9d8 100644
--- a/util/marvell/Makefile.inc
+++ b/util/marvell/Makefile.inc
@@ -1 +1,2 @@
+## SPDX-License-Identifier: GPL-2.0-only
 subdirs-$(CONFIG_SOC_MARVELL_ARMADA38X) += doimage_mv
diff --git a/util/marvell/doimage_mv/Makefile.inc b/util/marvell/doimage_mv/Makefile.inc
index 83665df..4020166 100644
--- a/util/marvell/doimage_mv/Makefile.inc
+++ b/util/marvell/doimage_mv/Makefile.inc
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 DOIMAGE_FOLDER = marvell/doimage_mv
 DOIMAGE_BINARY = doimage
 
diff --git a/util/msrtool/Makefile.in b/util/msrtool/Makefile.in
index 7c5966c..326dda3 100644
--- a/util/msrtool/Makefile.in
+++ b/util/msrtool/Makefile.in
@@ -1,15 +1,6 @@
+## SPDX-License-Identifier: GPL-2.0-only
 # Makefile for msrtool
 #
-#
-# 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.
-#
 
 PROGRAM = msrtool
 
diff --git a/util/nvidia/Makefile.inc b/util/nvidia/Makefile.inc
index 1894fad..04199d0 100644
--- a/util/nvidia/Makefile.inc
+++ b/util/nvidia/Makefile.inc
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 # copied from cbootimage/src/Makefile.am
 CBOOTIMAGE_RAW_SRCS:= \
 	cbootimage.c \
diff --git a/util/post/Makefile b/util/post/Makefile
index 0941cde..e292a73 100644
--- a/util/post/Makefile
+++ b/util/post/Makefile
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 all:
 	$(CC) post.c -o post
 clean:
diff --git a/util/sconfig/Makefile.inc b/util/sconfig/Makefile.inc
index b821f06..c3da29d 100644
--- a/util/sconfig/Makefile.inc
+++ b/util/sconfig/Makefile.inc
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 sconfigobj :=
 sconfigobj += lex.yy.o
 sconfigobj += sconfig.tab.o
diff --git a/util/spd_tools/Makefile b/util/spd_tools/Makefile
index 3aad91c..5b23c32 100644
--- a/util/spd_tools/Makefile
+++ b/util/spd_tools/Makefile
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 SPD_GEN = bin/spd_gen
 PART_ID_GEN = bin/part_id_gen
 
diff --git a/util/supermicro/Makefile.inc b/util/supermicro/Makefile.inc
index 316cb48..7d295a0 100644
--- a/util/supermicro/Makefile.inc
+++ b/util/supermicro/Makefile.inc
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 TOOLCPPFLAGS += -include $(top)/src/commonlib/bsd/include/commonlib/bsd/compiler.h
 
 SMCBIOSINFOTOOL:= $(objutil)/supermicro/smcbiosinfo