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-rw-r--r--Kconfig2
-rw-r--r--arch/arm/Kconfig2
-rw-r--r--arch/arm/Makefile2
-rw-r--r--arch/arm/boards/Makefile2
-rw-r--r--arch/arm/boards/a9m2410/Makefile1
-rw-r--r--arch/arm/boards/a9m2440/Makefile1
-rw-r--r--arch/arm/boards/ac-sxb/Makefile2
-rw-r--r--arch/arm/boards/advantech-mx6/Makefile2
-rw-r--r--arch/arm/boards/afi-gf/Makefile2
-rw-r--r--arch/arm/boards/altera-socdk/Makefile2
-rw-r--r--arch/arm/boards/animeo_ip/Makefile2
-rw-r--r--arch/arm/boards/archosg9/Makefile2
-rw-r--r--arch/arm/boards/at91rm9200ek/Makefile2
-rw-r--r--arch/arm/boards/at91sam9260ek/Makefile2
-rw-r--r--arch/arm/boards/at91sam9261ek/Makefile2
-rw-r--r--arch/arm/boards/at91sam9263ek/Makefile2
-rw-r--r--arch/arm/boards/at91sam9m10g45ek/Makefile2
-rw-r--r--arch/arm/boards/at91sam9m10ihd/Makefile2
-rw-r--r--arch/arm/boards/at91sam9n12ek/Makefile2
-rw-r--r--arch/arm/boards/at91sam9x5ek/Makefile2
-rw-r--r--arch/arm/boards/avnet-zedboard/Makefile2
-rw-r--r--arch/arm/boards/beagle/Makefile2
-rw-r--r--arch/arm/boards/beaglebone/Makefile2
-rw-r--r--arch/arm/boards/boundarydevices-nitrogen6/Makefile2
-rw-r--r--arch/arm/boards/canon-a1100/Makefile2
-rw-r--r--arch/arm/boards/ccxmx51/Makefile2
-rw-r--r--arch/arm/boards/ccxmx53/Makefile2
-rw-r--r--arch/arm/boards/chumby_falconwing/Makefile2
-rw-r--r--arch/arm/boards/clep7212/Makefile2
-rw-r--r--arch/arm/boards/cm-fx6/Makefile2
-rw-r--r--arch/arm/boards/crystalfontz-cfa10036/Makefile2
-rw-r--r--arch/arm/boards/datamodul-edm-qmx6/Makefile2
-rw-r--r--arch/arm/boards/dfi-fs700-m60/Makefile2
-rw-r--r--arch/arm/boards/digi-ccimx6ulsom/Makefile2
-rw-r--r--arch/arm/boards/dss11/Makefile2
-rw-r--r--arch/arm/boards/duckbill/Makefile2
-rw-r--r--arch/arm/boards/ebv-socrates/Makefile2
-rw-r--r--arch/arm/boards/edb93xx/Makefile1
-rw-r--r--arch/arm/boards/efika-mx-smartbook/Makefile2
-rw-r--r--arch/arm/boards/element14-warp7/Makefile2
-rw-r--r--arch/arm/boards/eltec-hipercam/Makefile2
-rw-r--r--arch/arm/boards/embedsky-e9/Makefile2
-rw-r--r--arch/arm/boards/embest-marsboard/Makefile2
-rw-r--r--arch/arm/boards/embest-riotboard/Makefile2
-rw-r--r--arch/arm/boards/eukrea_cpuimx27/Makefile1
-rw-r--r--arch/arm/boards/eukrea_cpuimx51/Makefile2
-rw-r--r--arch/arm/boards/freescale-mx21-ads/Makefile2
-rw-r--r--arch/arm/boards/freescale-mx23-evk/Makefile3
-rw-r--r--arch/arm/boards/freescale-mx27-ads/Makefile1
-rw-r--r--arch/arm/boards/freescale-mx28-evk/Makefile2
-rw-r--r--arch/arm/boards/freescale-mx35-3ds/Makefile2
-rw-r--r--arch/arm/boards/freescale-mx51-babbage/Makefile2
-rw-r--r--arch/arm/boards/freescale-mx53-qsb/Makefile2
-rw-r--r--arch/arm/boards/freescale-mx53-smd/Makefile2
-rw-r--r--arch/arm/boards/freescale-mx53-vmx53/Makefile2
-rw-r--r--arch/arm/boards/freescale-mx6-sabrelite/Makefile2
-rw-r--r--arch/arm/boards/freescale-mx6-sabresd/Makefile2
-rw-r--r--arch/arm/boards/freescale-mx6sx-sabresdb/Makefile2
-rw-r--r--arch/arm/boards/freescale-mx7-sabresd/Makefile2
-rw-r--r--arch/arm/boards/freescale-vf610-twr/Makefile2
-rw-r--r--arch/arm/boards/friendlyarm-mini2440/Kconfig1
-rw-r--r--arch/arm/boards/friendlyarm-mini2440/Makefile2
-rw-r--r--arch/arm/boards/friendlyarm-mini6410/Makefile2
-rw-r--r--arch/arm/boards/friendlyarm-tiny210/Makefile2
-rw-r--r--arch/arm/boards/friendlyarm-tiny6410/Kconfig2
-rw-r--r--arch/arm/boards/friendlyarm-tiny6410/Makefile2
-rw-r--r--arch/arm/boards/gateworks-ventana/Makefile2
-rw-r--r--arch/arm/boards/gk802/Makefile2
-rw-r--r--arch/arm/boards/globalscale-guruplug/Makefile2
-rw-r--r--arch/arm/boards/globalscale-mirabox/Makefile2
-rw-r--r--arch/arm/boards/grinn-liteboard/Makefile2
-rw-r--r--arch/arm/boards/guf-neso/Makefile2
-rw-r--r--arch/arm/boards/guf-santaro/Makefile2
-rw-r--r--arch/arm/boards/guf-vincell/Makefile2
-rw-r--r--arch/arm/boards/haba-knx/Makefile2
-rw-r--r--arch/arm/boards/imx233-olinuxino/Makefile2
-rw-r--r--arch/arm/boards/kamstrup-mx7-concentrator/Makefile4
-rw-r--r--arch/arm/boards/karo-tx28/Makefile2
-rw-r--r--arch/arm/boards/karo-tx53/Makefile2
-rw-r--r--arch/arm/boards/karo-tx6x/Makefile2
-rw-r--r--arch/arm/boards/kindle-mx50/Makefile2
-rw-r--r--arch/arm/boards/kindle3/Makefile2
-rw-r--r--arch/arm/boards/kontron-samx6i/Makefile2
-rw-r--r--arch/arm/boards/lenovo-ix4-300d/Makefile2
-rw-r--r--arch/arm/boards/ls1046ardb/Makefile2
-rw-r--r--arch/arm/boards/lubbock/Makefile2
-rw-r--r--arch/arm/boards/lxa-mc1/Makefile2
-rw-r--r--arch/arm/boards/mainstone/Makefile2
-rw-r--r--arch/arm/boards/marvell-armada-xp-db/Makefile2
-rw-r--r--arch/arm/boards/marvell-armada-xp-gp/Makefile2
-rw-r--r--arch/arm/boards/microchip-ksz9477-evb/Makefile2
-rw-r--r--arch/arm/boards/mioa701/Makefile2
-rw-r--r--arch/arm/boards/mnt-reform/Makefile4
-rw-r--r--arch/arm/boards/module-mb7707/Makefile2
-rw-r--r--arch/arm/boards/netgear-rn104/Makefile2
-rw-r--r--arch/arm/boards/netgear-rn2120/Makefile2
-rw-r--r--arch/arm/boards/nhk8815/Makefile2
-rw-r--r--arch/arm/boards/nvidia-beaver/Makefile2
-rw-r--r--arch/arm/boards/nvidia-jetson-tk1/Makefile2
-rw-r--r--arch/arm/boards/nxp-imx6ull-evk/Makefile2
-rw-r--r--arch/arm/boards/nxp-imx8mm-evk/Makefile2
-rw-r--r--arch/arm/boards/nxp-imx8mn-evk/Makefile2
-rw-r--r--arch/arm/boards/nxp-imx8mp-evk/Makefile2
-rw-r--r--arch/arm/boards/nxp-imx8mq-evk/Makefile2
-rw-r--r--arch/arm/boards/omap343xdsp/Makefile2
-rw-r--r--arch/arm/boards/omap3evm/Makefile2
-rw-r--r--arch/arm/boards/panda/Makefile2
-rw-r--r--arch/arm/boards/phytec-phycard-imx27/Makefile1
-rw-r--r--arch/arm/boards/phytec-phycore-imx27/Makefile2
-rw-r--r--arch/arm/boards/phytec-phycore-imx7/Makefile2
-rw-r--r--arch/arm/boards/phytec-phycore-omap4460/Makefile2
-rw-r--r--arch/arm/boards/phytec-phycore-pxa270/Makefile2
-rw-r--r--arch/arm/boards/phytec-som-am335x/Kconfig1
-rw-r--r--arch/arm/boards/phytec-som-am335x/Makefile2
-rw-r--r--arch/arm/boards/phytec-som-imx6/Makefile2
-rw-r--r--arch/arm/boards/phytec-som-imx8mq/Makefile2
-rw-r--r--arch/arm/boards/phytec-som-rk3288/Makefile2
-rw-r--r--arch/arm/boards/plathome-openblocks-a6/Makefile2
-rw-r--r--arch/arm/boards/plathome-openblocks-ax3/Makefile2
-rw-r--r--arch/arm/boards/pm9261/Makefile2
-rw-r--r--arch/arm/boards/pm9263/Makefile2
-rw-r--r--arch/arm/boards/pm9g45/Makefile2
-rw-r--r--arch/arm/boards/protonic-imx6/Makefile2
-rw-r--r--arch/arm/boards/protonic-imx8m/Makefile2
-rw-r--r--arch/arm/boards/protonic-stm32mp1/Makefile2
-rw-r--r--arch/arm/boards/qemu-virt/Makefile2
-rw-r--r--arch/arm/boards/qil-a926x/Makefile2
-rw-r--r--arch/arm/boards/radxa-rock/Makefile2
-rw-r--r--arch/arm/boards/raspberry-pi/Makefile2
-rw-r--r--arch/arm/boards/reflex-achilles/Makefile2
-rw-r--r--arch/arm/boards/rockchip-rk3568-evb/Makefile2
-rw-r--r--arch/arm/boards/sama5d27-giantboard/Makefile2
-rw-r--r--arch/arm/boards/sama5d27-som1/Makefile2
-rw-r--r--arch/arm/boards/sama5d3_xplained/Makefile2
-rw-r--r--arch/arm/boards/sama5d3xek/Makefile2
-rw-r--r--arch/arm/boards/sama5d4_xplained/Makefile2
-rw-r--r--arch/arm/boards/sama5d4ek/Makefile2
-rw-r--r--arch/arm/boards/scb9328/Makefile1
-rw-r--r--arch/arm/boards/seeed-odyssey/Makefile2
-rw-r--r--arch/arm/boards/skov-arm9cpu/Makefile2
-rw-r--r--arch/arm/boards/skov-imx6/Makefile2
-rw-r--r--arch/arm/boards/solidrun-cubox/Makefile2
-rw-r--r--arch/arm/boards/solidrun-microsom/Makefile2
-rw-r--r--arch/arm/boards/stm32mp15x-ev1/Makefile2
-rw-r--r--arch/arm/boards/stm32mp15xx-dkx/Makefile2
-rw-r--r--arch/arm/boards/technexion-pico-hobbit/Makefile2
-rw-r--r--arch/arm/boards/technexion-wandboard/Makefile2
-rw-r--r--arch/arm/boards/telit-evk-pro3/Makefile2
-rw-r--r--arch/arm/boards/terasic-de0-nano-soc/Makefile2
-rw-r--r--arch/arm/boards/terasic-de10-nano/Makefile2
-rw-r--r--arch/arm/boards/terasic-sockit/Makefile2
-rw-r--r--arch/arm/boards/tny-a926x/Makefile2
-rw-r--r--arch/arm/boards/toradex-colibri-t20/Makefile2
-rw-r--r--arch/arm/boards/toshiba-ac100/Makefile2
-rw-r--r--arch/arm/boards/tqma53/Makefile2
-rw-r--r--arch/arm/boards/tqma6x/Makefile2
-rw-r--r--arch/arm/boards/tqmls1046a/Makefile2
-rw-r--r--arch/arm/boards/turris-omnia/Makefile2
-rw-r--r--arch/arm/boards/udoo-neo/Makefile2
-rw-r--r--arch/arm/boards/udoo/Makefile2
-rw-r--r--arch/arm/boards/usb-a926x/Makefile2
-rw-r--r--arch/arm/boards/usi-topkick/Makefile2
-rw-r--r--arch/arm/boards/variscite-mx6/Makefile2
-rw-r--r--arch/arm/boards/versatile/Kconfig1
-rw-r--r--arch/arm/boards/versatile/Makefile2
-rw-r--r--arch/arm/boards/vexpress/Makefile2
-rw-r--r--arch/arm/boards/virt2real/Makefile2
-rw-r--r--arch/arm/boards/vscom-baltos/Makefile2
-rw-r--r--arch/arm/boards/wago-pfc-am35xx/Makefile2
-rw-r--r--arch/arm/boards/webasto-ccbv2/Makefile2
-rw-r--r--arch/arm/boards/zii-common/Makefile2
-rw-r--r--arch/arm/boards/zii-imx51-rdu1/Makefile2
-rw-r--r--arch/arm/boards/zii-imx6q-rdu2/Makefile2
-rw-r--r--arch/arm/boards/zii-imx7d-dev/Makefile2
-rw-r--r--arch/arm/boards/zii-imx8mq-dev/Makefile2
-rw-r--r--arch/arm/boards/zii-vf610-dev/Makefile2
-rw-r--r--arch/arm/boards/zylonite/Makefile2
-rw-r--r--arch/arm/cpu/Kconfig2
-rw-r--r--arch/arm/cpu/Makefile2
-rw-r--r--arch/arm/crypto/Makefile1
-rw-r--r--arch/arm/dts/Makefile2
-rw-r--r--arch/arm/lib/Makefile2
-rw-r--r--arch/arm/lib32/Makefile2
-rw-r--r--arch/arm/lib64/Makefile2
-rw-r--r--arch/arm/mach-at91/Kconfig2
-rw-r--r--arch/arm/mach-at91/Makefile2
-rw-r--r--arch/arm/mach-bcm283x/Kconfig2
-rw-r--r--arch/arm/mach-bcm283x/Makefile2
-rw-r--r--arch/arm/mach-clps711x/Kconfig2
-rw-r--r--arch/arm/mach-clps711x/Makefile2
-rw-r--r--arch/arm/mach-davinci/Kconfig2
-rw-r--r--arch/arm/mach-davinci/Makefile2
-rw-r--r--arch/arm/mach-digic/Kconfig2
-rw-r--r--arch/arm/mach-digic/Makefile2
-rw-r--r--arch/arm/mach-ep93xx/Kconfig2
-rw-r--r--arch/arm/mach-ep93xx/Makefile2
-rw-r--r--arch/arm/mach-imx/Kconfig2
-rw-r--r--arch/arm/mach-imx/Makefile2
-rw-r--r--arch/arm/mach-layerscape/Kconfig2
-rw-r--r--arch/arm/mach-layerscape/Makefile2
-rw-r--r--arch/arm/mach-mvebu/Kconfig2
-rw-r--r--arch/arm/mach-mvebu/Makefile2
-rw-r--r--arch/arm/mach-mxs/Kconfig2
-rw-r--r--arch/arm/mach-mxs/Makefile2
-rw-r--r--arch/arm/mach-nomadik/Kconfig2
-rw-r--r--arch/arm/mach-nomadik/Makefile1
-rw-r--r--arch/arm/mach-pxa/Kconfig2
-rw-r--r--arch/arm/mach-pxa/Makefile2
-rw-r--r--arch/arm/mach-rockchip/Kconfig2
-rw-r--r--arch/arm/mach-rockchip/Makefile2
-rw-r--r--arch/arm/mach-samsung/Kconfig2
-rw-r--r--arch/arm/mach-samsung/Makefile2
-rw-r--r--arch/arm/mach-socfpga/Kconfig2
-rw-r--r--arch/arm/mach-socfpga/Makefile2
-rw-r--r--arch/arm/mach-stm32mp/Kconfig2
-rw-r--r--arch/arm/mach-stm32mp/Makefile2
-rw-r--r--arch/arm/mach-tegra/Kconfig2
-rw-r--r--arch/arm/mach-tegra/Makefile2
-rw-r--r--arch/arm/mach-uemd/Kconfig2
-rw-r--r--arch/arm/mach-uemd/Makefile2
-rw-r--r--arch/arm/mach-versatile/Kconfig1
-rw-r--r--arch/arm/mach-versatile/Makefile1
-rw-r--r--arch/arm/mach-vexpress/Kconfig2
-rw-r--r--arch/arm/mach-vexpress/Makefile2
-rw-r--r--arch/arm/mach-zynq/Kconfig2
-rw-r--r--arch/arm/mach-zynq/Makefile2
-rw-r--r--arch/arm/tools/Makefile2
-rw-r--r--arch/kvx/Kconfig2
-rw-r--r--arch/kvx/Makefile2
-rw-r--r--arch/kvx/dts/Makefile2
-rw-r--r--arch/mips/Kconfig5
-rw-r--r--arch/mips/Makefile2
-rw-r--r--arch/mips/boards/8devices-lima/Makefile2
-rw-r--r--arch/mips/boards/Makefile2
-rw-r--r--arch/mips/boards/black-swift/Makefile2
-rw-r--r--arch/mips/boards/dlink-dir-320/Makefile2
-rw-r--r--arch/mips/boards/dptechnics-dpt-module/Makefile2
-rw-r--r--arch/mips/boards/img-ci20/Makefile2
-rw-r--r--arch/mips/boards/loongson-ls1b/Makefile2
-rw-r--r--arch/mips/boards/netgear-wg102/Makefile2
-rw-r--r--arch/mips/boards/okud-max9331/Makefile2
-rw-r--r--arch/mips/boards/openembed-som9331/Makefile2
-rw-r--r--arch/mips/boards/qemu-malta/Makefile2
-rw-r--r--arch/mips/boards/ritmix-rzx50/Makefile2
-rw-r--r--arch/mips/boards/tplink-mr3020/Makefile2
-rw-r--r--arch/mips/boards/tplink-wdr4300/Makefile2
-rw-r--r--arch/mips/boot/Makefile2
-rw-r--r--arch/mips/dts/Makefile2
-rw-r--r--arch/mips/lib/Makefile2
-rw-r--r--arch/mips/mach-ar231x/Kconfig2
-rw-r--r--arch/mips/mach-ar231x/Makefile2
-rw-r--r--arch/mips/mach-ath79/Kconfig2
-rw-r--r--arch/mips/mach-ath79/Makefile2
-rw-r--r--arch/mips/mach-bcm47xx/Kconfig2
-rw-r--r--arch/mips/mach-bcm47xx/Makefile2
-rw-r--r--arch/mips/mach-loongson/Kconfig2
-rw-r--r--arch/mips/mach-loongson/Makefile2
-rw-r--r--arch/mips/mach-malta/Kconfig2
-rw-r--r--arch/mips/mach-malta/Makefile2
-rw-r--r--arch/mips/mach-xburst/Kconfig2
-rw-r--r--arch/mips/mach-xburst/Makefile2
-rw-r--r--arch/mips/pbl/Makefile1
-rw-r--r--arch/openrisc/Kconfig2
-rw-r--r--arch/openrisc/Makefile2
-rw-r--r--arch/openrisc/boards/generic/Makefile2
-rw-r--r--arch/openrisc/cpu/Makefile2
-rw-r--r--arch/openrisc/dts/Makefile1
-rw-r--r--arch/openrisc/lib/Makefile2
-rw-r--r--arch/powerpc/Kbuild2
-rw-r--r--arch/powerpc/Kconfig2
-rw-r--r--arch/powerpc/Makefile2
-rw-r--r--arch/powerpc/boards/freescale-p1010rdb/Makefile2
-rw-r--r--arch/powerpc/boards/freescale-p1022ds/Makefile2
-rw-r--r--arch/powerpc/boards/freescale-p2020rdb/Makefile2
-rw-r--r--arch/powerpc/boards/owc-da923rc/Makefile2
-rw-r--r--arch/powerpc/boards/pcm030/Makefile2
-rw-r--r--arch/powerpc/cpu-85xx/Makefile2
-rw-r--r--arch/powerpc/ddr-8xxx/Makefile2
-rw-r--r--arch/powerpc/lib/Makefile2
-rw-r--r--arch/powerpc/mach-mpc5xxx/Kconfig2
-rw-r--r--arch/powerpc/mach-mpc5xxx/Makefile2
-rw-r--r--arch/powerpc/mach-mpc85xx/Kconfig2
-rw-r--r--arch/powerpc/mach-mpc85xx/Makefile2
-rw-r--r--arch/riscv/Kconfig2
-rw-r--r--arch/riscv/Kconfig.socs2
-rw-r--r--arch/riscv/Makefile2
-rw-r--r--arch/riscv/boards/riscvemu/Makefile2
-rw-r--r--arch/sandbox/Kconfig2
-rw-r--r--arch/sandbox/Makefile2
-rw-r--r--arch/sandbox/board/Makefile2
-rw-r--r--arch/sandbox/dts/Makefile2
-rw-r--r--arch/sandbox/lib/Makefile2
-rw-r--r--arch/sandbox/os/Makefile2
-rw-r--r--arch/x86/Kconfig5
-rw-r--r--arch/x86/Makefile2
-rw-r--r--arch/x86/lib/Makefile2
-rw-r--r--arch/x86/mach-efi/Makefile2
-rw-r--r--common/Kconfig2
-rw-r--r--common/Makefile2
-rw-r--r--common/partitions/Kconfig2
-rw-r--r--common/partitions/Makefile2
-rw-r--r--common/ratp/Kconfig3
-rw-r--r--common/ratp/Makefile2
-rw-r--r--common/state/Makefile2
-rw-r--r--crypto/Kconfig2
-rw-r--r--crypto/Makefile2
-rw-r--r--defaultenv/Makefile2
-rw-r--r--firmware/Kconfig2
-rw-r--r--fs/Kconfig1
-rw-r--r--fs/Makefile2
-rw-r--r--fs/cramfs/Makefile2
-rw-r--r--fs/ext4/Kconfig2
-rw-r--r--fs/ext4/Makefile2
-rw-r--r--fs/fat/Kconfig2
-rw-r--r--fs/fat/Makefile2
-rw-r--r--fs/jffs2/Kconfig2
-rw-r--r--fs/jffs2/Makefile2
-rw-r--r--fs/pstore/Kconfig2
-rw-r--r--fs/pstore/Makefile2
-rw-r--r--fs/squashfs/Kconfig2
-rw-r--r--fs/squashfs/Makefile2
-rw-r--r--fs/ubifs/Kconfig2
-rw-r--r--fs/ubifs/Makefile2
-rw-r--r--images/Makefile1
-rw-r--r--lib/Kconfig2
-rw-r--r--lib/Makefile2
-rw-r--r--lib/bootstrap/Kconfig2
-rw-r--r--lib/bootstrap/Makefile2
-rw-r--r--lib/fonts/Kconfig2
-rw-r--r--lib/fonts/Makefile2
-rw-r--r--lib/gui/Kconfig2
-rw-r--r--lib/gui/Makefile2
-rw-r--r--lib/kasan/Kconfig2
-rw-r--r--lib/kasan/Makefile1
-rw-r--r--lib/logo/Kconfig2
-rw-r--r--lib/logo/Makefile1
-rw-r--r--lib/lz4/Makefile2
-rw-r--r--lib/lzo/Kconfig2
-rw-r--r--lib/lzo/Makefile2
-rw-r--r--lib/math/Makefile2
-rw-r--r--lib/reed_solomon/Makefile2
-rw-r--r--lib/xz/Makefile2
-rw-r--r--lib/zlib_inflate/Makefile2
-rw-r--r--lib/zstd/Makefile2
-rw-r--r--net/Kconfig2
-rw-r--r--net/Makefile2
-rw-r--r--pbl/Kconfig2
-rw-r--r--pbl/Makefile2
-rw-r--r--scripts/Kconfig2
-rw-r--r--scripts/Makefile2
-rw-r--r--scripts/imx/Kconfig2
-rw-r--r--scripts/imx/Makefile2
-rw-r--r--scripts/mod/Makefile2
-rw-r--r--scripts/tegra/Makefile2
-rw-r--r--test/Kconfig2
-rw-r--r--test/Makefile2
356 files changed, 694 insertions, 10 deletions
diff --git a/Kconfig b/Kconfig
index 7c4cf36881..7e9b892129 100644
--- a/Kconfig
+++ b/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
#
# For a description of the syntax of this configuration file,
# see Documentation/kbuild/kconfig-language.txt.
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index b532d3fe2f..fecbe39233 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
config ARM
bool
select HAS_KALLSYMS
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index f4b0e8d6b6..610ded8a12 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
KBUILD_DEFCONFIG := qemu_virt64_defconfig
KBUILD_CPPFLAGS += -D__ARM__ -fno-strict-aliasing
diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile
index 50b07462bb..6fe1b59914 100644
--- a/arch/arm/boards/Makefile
+++ b/arch/arm/boards/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
# keep sorted by CONFIG_* macro name.
obj-$(CONFIG_MACH_ADVANTECH_ROM_742X) += advantech-mx6/
obj-$(CONFIG_MACH_AFI_GF) += afi-gf/
diff --git a/arch/arm/boards/a9m2410/Makefile b/arch/arm/boards/a9m2410/Makefile
index 4bf737c1fc..6c53eafae2 100644
--- a/arch/arm/boards/a9m2410/Makefile
+++ b/arch/arm/boards/a9m2410/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
lwl-y += lowlevel_init.o
obj-y += a9m2410.o
diff --git a/arch/arm/boards/a9m2440/Makefile b/arch/arm/boards/a9m2440/Makefile
index f21d389c14..e32c0aca64 100644
--- a/arch/arm/boards/a9m2440/Makefile
+++ b/arch/arm/boards/a9m2440/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
lwl-y += lowlevel_init.o
obj-y += a9m2440.o
diff --git a/arch/arm/boards/ac-sxb/Makefile b/arch/arm/boards/ac-sxb/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/ac-sxb/Makefile
+++ b/arch/arm/boards/ac-sxb/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/advantech-mx6/Makefile b/arch/arm/boards/advantech-mx6/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/advantech-mx6/Makefile
+++ b/arch/arm/boards/advantech-mx6/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/afi-gf/Makefile b/arch/arm/boards/afi-gf/Makefile
index 399a4b8cc0..8d1041650e 100644
--- a/arch/arm/boards/afi-gf/Makefile
+++ b/arch/arm/boards/afi-gf/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
obj-y += board.o
bbenv-y += defaultenv-gf
diff --git a/arch/arm/boards/altera-socdk/Makefile b/arch/arm/boards/altera-socdk/Makefile
index 8c927fe291..ea898309d7 100644
--- a/arch/arm/boards/altera-socdk/Makefile
+++ b/arch/arm/boards/altera-socdk/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += lowlevel.o board.o
pbl-y += lowlevel.o
diff --git a/arch/arm/boards/animeo_ip/Makefile b/arch/arm/boards/animeo_ip/Makefile
index 61c714b45d..149c41024a 100644
--- a/arch/arm/boards/animeo_ip/Makefile
+++ b/arch/arm/boards/animeo_ip/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/archosg9/Makefile b/arch/arm/boards/archosg9/Makefile
index a78956f4e4..790ff623f5 100644
--- a/arch/arm/boards/archosg9/Makefile
+++ b/arch/arm/boards/archosg9/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
obj-$(CONFIG_ARM_BOARD_APPEND_ATAG) += archos_features.o
lwl-y += lowlevel.o mux.o
diff --git a/arch/arm/boards/at91rm9200ek/Makefile b/arch/arm/boards/at91rm9200ek/Makefile
index a07c06a6d9..da5c1038b2 100644
--- a/arch/arm/boards/at91rm9200ek/Makefile
+++ b/arch/arm/boards/at91rm9200ek/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/at91sam9260ek/Makefile b/arch/arm/boards/at91sam9260ek/Makefile
index 9cc933a287..7aa83a7736 100644
--- a/arch/arm/boards/at91sam9260ek/Makefile
+++ b/arch/arm/boards/at91sam9260ek/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/at91sam9261ek/Makefile b/arch/arm/boards/at91sam9261ek/Makefile
index e7a9cde419..91e0037d6d 100644
--- a/arch/arm/boards/at91sam9261ek/Makefile
+++ b/arch/arm/boards/at91sam9261ek/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
lwl-y += lowlevel_init.o
diff --git a/arch/arm/boards/at91sam9263ek/Makefile b/arch/arm/boards/at91sam9263ek/Makefile
index d4d5e76395..7f4c1bfac3 100644
--- a/arch/arm/boards/at91sam9263ek/Makefile
+++ b/arch/arm/boards/at91sam9263ek/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
ifeq ($(CONFIG_OFDEVICE),)
obj-y += init.o
endif
diff --git a/arch/arm/boards/at91sam9m10g45ek/Makefile b/arch/arm/boards/at91sam9m10g45ek/Makefile
index da011f825b..291716cbf0 100644
--- a/arch/arm/boards/at91sam9m10g45ek/Makefile
+++ b/arch/arm/boards/at91sam9m10g45ek/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/at91sam9m10ihd/Makefile b/arch/arm/boards/at91sam9m10ihd/Makefile
index 06193007ad..8bf9a102fe 100644
--- a/arch/arm/boards/at91sam9m10ihd/Makefile
+++ b/arch/arm/boards/at91sam9m10ihd/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
obj-y += hw_version.o
diff --git a/arch/arm/boards/at91sam9n12ek/Makefile b/arch/arm/boards/at91sam9n12ek/Makefile
index 458b055918..6ba8b4e38f 100644
--- a/arch/arm/boards/at91sam9n12ek/Makefile
+++ b/arch/arm/boards/at91sam9n12ek/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/at91sam9x5ek/Makefile b/arch/arm/boards/at91sam9x5ek/Makefile
index 4939b7e17e..c6c1ad9670 100644
--- a/arch/arm/boards/at91sam9x5ek/Makefile
+++ b/arch/arm/boards/at91sam9x5ek/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
obj-y += hw_version.o
bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC) += defaultenv-at91sam9x5ek
diff --git a/arch/arm/boards/avnet-zedboard/Makefile b/arch/arm/boards/avnet-zedboard/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/avnet-zedboard/Makefile
+++ b/arch/arm/boards/avnet-zedboard/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/beagle/Makefile b/arch/arm/boards/beagle/Makefile
index 3bee9a22ab..e273f4a3da 100644
--- a/arch/arm/boards/beagle/Makefile
+++ b/arch/arm/boards/beagle/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
bbenv-y += defaultenv-beagle
diff --git a/arch/arm/boards/beaglebone/Makefile b/arch/arm/boards/beaglebone/Makefile
index 21a1a29d0b..108e481be3 100644
--- a/arch/arm/boards/beaglebone/Makefile
+++ b/arch/arm/boards/beaglebone/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
obj-y += board.o
bbenv-y += defaultenv-beaglebone
diff --git a/arch/arm/boards/boundarydevices-nitrogen6/Makefile b/arch/arm/boards/boundarydevices-nitrogen6/Makefile
index 0ec04ce898..b365c8eab0 100644
--- a/arch/arm/boards/boundarydevices-nitrogen6/Makefile
+++ b/arch/arm/boards/boundarydevices-nitrogen6/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/canon-a1100/Makefile b/arch/arm/boards/canon-a1100/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/arm/boards/canon-a1100/Makefile
+++ b/arch/arm/boards/canon-a1100/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/ccxmx51/Makefile b/arch/arm/boards/ccxmx51/Makefile
index 50cf929c5d..9fbde144a5 100644
--- a/arch/arm/boards/ccxmx51/Makefile
+++ b/arch/arm/boards/ccxmx51/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += ccxmx51.o
lwl-y += lowlevel.o
bbenv-$(CONFIG_DEFAULT_ENVIRONMENT) += defaultenv-ccxmx51
diff --git a/arch/arm/boards/ccxmx53/Makefile b/arch/arm/boards/ccxmx53/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/ccxmx53/Makefile
+++ b/arch/arm/boards/ccxmx53/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/chumby_falconwing/Makefile b/arch/arm/boards/chumby_falconwing/Makefile
index cf92c6a9ea..6aaff6cdf7 100644
--- a/arch/arm/boards/chumby_falconwing/Makefile
+++ b/arch/arm/boards/chumby_falconwing/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y = falconwing.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/clep7212/Makefile b/arch/arm/boards/clep7212/Makefile
index a5001df9b5..096120e567 100644
--- a/arch/arm/boards/clep7212/Makefile
+++ b/arch/arm/boards/clep7212/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += clep7212.o
lwl-y += lowlevel.o
bbenv-y += defaultenv-clep7212
diff --git a/arch/arm/boards/cm-fx6/Makefile b/arch/arm/boards/cm-fx6/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/cm-fx6/Makefile
+++ b/arch/arm/boards/cm-fx6/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/crystalfontz-cfa10036/Makefile b/arch/arm/boards/crystalfontz-cfa10036/Makefile
index 5b764a6981..3cd1cecaa7 100644
--- a/arch/arm/boards/crystalfontz-cfa10036/Makefile
+++ b/arch/arm/boards/crystalfontz-cfa10036/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += cfa10036.o hwdetect.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/datamodul-edm-qmx6/Makefile b/arch/arm/boards/datamodul-edm-qmx6/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/datamodul-edm-qmx6/Makefile
+++ b/arch/arm/boards/datamodul-edm-qmx6/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/dfi-fs700-m60/Makefile b/arch/arm/boards/dfi-fs700-m60/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/dfi-fs700-m60/Makefile
+++ b/arch/arm/boards/dfi-fs700-m60/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/digi-ccimx6ulsom/Makefile b/arch/arm/boards/digi-ccimx6ulsom/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/digi-ccimx6ulsom/Makefile
+++ b/arch/arm/boards/digi-ccimx6ulsom/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/dss11/Makefile b/arch/arm/boards/dss11/Makefile
index e11fd5b692..d59545033d 100644
--- a/arch/arm/boards/dss11/Makefile
+++ b/arch/arm/boards/dss11/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/duckbill/Makefile b/arch/arm/boards/duckbill/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/duckbill/Makefile
+++ b/arch/arm/boards/duckbill/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/ebv-socrates/Makefile b/arch/arm/boards/ebv-socrates/Makefile
index 8c927fe291..ea898309d7 100644
--- a/arch/arm/boards/ebv-socrates/Makefile
+++ b/arch/arm/boards/ebv-socrates/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += lowlevel.o board.o
pbl-y += lowlevel.o
diff --git a/arch/arm/boards/edb93xx/Makefile b/arch/arm/boards/edb93xx/Makefile
index eec5ed2658..be969bde20 100644
--- a/arch/arm/boards/edb93xx/Makefile
+++ b/arch/arm/boards/edb93xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
obj-y += edb93xx.o
lwl-y += flash_cfg.o pll_cfg.o sdram_cfg.o
diff --git a/arch/arm/boards/efika-mx-smartbook/Makefile b/arch/arm/boards/efika-mx-smartbook/Makefile
index 73d7b9696c..497da461ef 100644
--- a/arch/arm/boards/efika-mx-smartbook/Makefile
+++ b/arch/arm/boards/efika-mx-smartbook/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
bbenv-y += defaultenv-efikasb
diff --git a/arch/arm/boards/element14-warp7/Makefile b/arch/arm/boards/element14-warp7/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/element14-warp7/Makefile
+++ b/arch/arm/boards/element14-warp7/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/eltec-hipercam/Makefile b/arch/arm/boards/eltec-hipercam/Makefile
index 092c31d6b2..5678718188 100644
--- a/arch/arm/boards/eltec-hipercam/Makefile
+++ b/arch/arm/boards/eltec-hipercam/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
obj-y += board.o
diff --git a/arch/arm/boards/embedsky-e9/Makefile b/arch/arm/boards/embedsky-e9/Makefile
index 86afde47fb..116bbfb4c2 100644
--- a/arch/arm/boards/embedsky-e9/Makefile
+++ b/arch/arm/boards/embedsky-e9/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
bbenv-y += defaultenv-e9
diff --git a/arch/arm/boards/embest-marsboard/Makefile b/arch/arm/boards/embest-marsboard/Makefile
index ef5219444c..eaa6ace2f4 100644
--- a/arch/arm/boards/embest-marsboard/Makefile
+++ b/arch/arm/boards/embest-marsboard/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
bbenv-y += defaultenv-mars
diff --git a/arch/arm/boards/embest-riotboard/Makefile b/arch/arm/boards/embest-riotboard/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/embest-riotboard/Makefile
+++ b/arch/arm/boards/embest-riotboard/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/eukrea_cpuimx27/Makefile b/arch/arm/boards/eukrea_cpuimx27/Makefile
index 2c3148abd0..6b6de4e87d 100644
--- a/arch/arm/boards/eukrea_cpuimx27/Makefile
+++ b/arch/arm/boards/eukrea_cpuimx27/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
lwl-y += lowlevel_init.o
obj-y += eukrea_cpuimx27.o
diff --git a/arch/arm/boards/eukrea_cpuimx51/Makefile b/arch/arm/boards/eukrea_cpuimx51/Makefile
index e8c84fe17d..77bd4cc87a 100644
--- a/arch/arm/boards/eukrea_cpuimx51/Makefile
+++ b/arch/arm/boards/eukrea_cpuimx51/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += eukrea_cpuimx51.o
lwl-y += lowlevel.o
bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC) += defaultenv-eukrea_cpuimx51
diff --git a/arch/arm/boards/freescale-mx21-ads/Makefile b/arch/arm/boards/freescale-mx21-ads/Makefile
index a43425b9ea..3e809a8c59 100644
--- a/arch/arm/boards/freescale-mx21-ads/Makefile
+++ b/arch/arm/boards/freescale-mx21-ads/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel_init.o
obj-y += imx21ads.o
diff --git a/arch/arm/boards/freescale-mx23-evk/Makefile b/arch/arm/boards/freescale-mx23-evk/Makefile
index 3e0026252c..7723ad93b0 100644
--- a/arch/arm/boards/freescale-mx23-evk/Makefile
+++ b/arch/arm/boards/freescale-mx23-evk/Makefile
@@ -1,3 +1,4 @@
-#
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y := mx23-evk.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/freescale-mx27-ads/Makefile b/arch/arm/boards/freescale-mx27-ads/Makefile
index 398db9b6b9..9fd43dd984 100644
--- a/arch/arm/boards/freescale-mx27-ads/Makefile
+++ b/arch/arm/boards/freescale-mx27-ads/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
lwl-y += lowlevel_init.o
obj-y += imx27ads.o
diff --git a/arch/arm/boards/freescale-mx28-evk/Makefile b/arch/arm/boards/freescale-mx28-evk/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/freescale-mx28-evk/Makefile
+++ b/arch/arm/boards/freescale-mx28-evk/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/freescale-mx35-3ds/Makefile b/arch/arm/boards/freescale-mx35-3ds/Makefile
index c192854f0b..e33babb4b3 100644
--- a/arch/arm/boards/freescale-mx35-3ds/Makefile
+++ b/arch/arm/boards/freescale-mx35-3ds/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += 3stack.o
lwl-y += lowlevel_init.o
bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC) += defaultenv-freescale-mx35-3ds
diff --git a/arch/arm/boards/freescale-mx51-babbage/Makefile b/arch/arm/boards/freescale-mx51-babbage/Makefile
index b6e085818f..aed38f2eaa 100644
--- a/arch/arm/boards/freescale-mx51-babbage/Makefile
+++ b/arch/arm/boards/freescale-mx51-babbage/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_MACH_FREESCALE_MX51_PDK_POWER) += power.o
obj-$(CONFIG_MACH_FREESCALE_MX51_PDK) += board.o
lwl-$(CONFIG_MACH_FREESCALE_MX51_PDK) += lowlevel.o
diff --git a/arch/arm/boards/freescale-mx53-qsb/Makefile b/arch/arm/boards/freescale-mx53-qsb/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/freescale-mx53-qsb/Makefile
+++ b/arch/arm/boards/freescale-mx53-qsb/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/freescale-mx53-smd/Makefile b/arch/arm/boards/freescale-mx53-smd/Makefile
index 98ed275396..9e7882a5db 100644
--- a/arch/arm/boards/freescale-mx53-smd/Makefile
+++ b/arch/arm/boards/freescale-mx53-smd/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC) += defaultenv-freescale-mx53-smd
diff --git a/arch/arm/boards/freescale-mx53-vmx53/Makefile b/arch/arm/boards/freescale-mx53-vmx53/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/freescale-mx53-vmx53/Makefile
+++ b/arch/arm/boards/freescale-mx53-vmx53/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/freescale-mx6-sabrelite/Makefile b/arch/arm/boards/freescale-mx6-sabrelite/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/freescale-mx6-sabrelite/Makefile
+++ b/arch/arm/boards/freescale-mx6-sabrelite/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/freescale-mx6-sabresd/Makefile b/arch/arm/boards/freescale-mx6-sabresd/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/freescale-mx6-sabresd/Makefile
+++ b/arch/arm/boards/freescale-mx6-sabresd/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/freescale-mx6sx-sabresdb/Makefile b/arch/arm/boards/freescale-mx6sx-sabresdb/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/freescale-mx6sx-sabresdb/Makefile
+++ b/arch/arm/boards/freescale-mx6sx-sabresdb/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/freescale-mx7-sabresd/Makefile b/arch/arm/boards/freescale-mx7-sabresd/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/freescale-mx7-sabresd/Makefile
+++ b/arch/arm/boards/freescale-mx7-sabresd/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/freescale-vf610-twr/Makefile b/arch/arm/boards/freescale-vf610-twr/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/arm/boards/freescale-vf610-twr/Makefile
+++ b/arch/arm/boards/freescale-vf610-twr/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/friendlyarm-mini2440/Kconfig b/arch/arm/boards/friendlyarm-mini2440/Kconfig
index feb905e96e..1037f7c77d 100644
--- a/arch/arm/boards/friendlyarm-mini2440/Kconfig
+++ b/arch/arm/boards/friendlyarm-mini2440/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
if MACH_MINI2440
diff --git a/arch/arm/boards/friendlyarm-mini2440/Makefile b/arch/arm/boards/friendlyarm-mini2440/Makefile
index da3520cc81..618828126c 100644
--- a/arch/arm/boards/friendlyarm-mini2440/Makefile
+++ b/arch/arm/boards/friendlyarm-mini2440/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += mini2440.o
lwl-y += lowlevel_init.o
diff --git a/arch/arm/boards/friendlyarm-mini6410/Makefile b/arch/arm/boards/friendlyarm-mini6410/Makefile
index c04150e97f..2e6ea7aa7e 100644
--- a/arch/arm/boards/friendlyarm-mini6410/Makefile
+++ b/arch/arm/boards/friendlyarm-mini6410/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += mini6410.o
lwl-y += lowlevel.o
bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC) += defaultenv-friendlyarm-mini6410
diff --git a/arch/arm/boards/friendlyarm-tiny210/Makefile b/arch/arm/boards/friendlyarm-tiny210/Makefile
index 7deb178739..d026a7ed47 100644
--- a/arch/arm/boards/friendlyarm-tiny210/Makefile
+++ b/arch/arm/boards/friendlyarm-tiny210/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += tiny210.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/friendlyarm-tiny6410/Kconfig b/arch/arm/boards/friendlyarm-tiny6410/Kconfig
index 374820f8b3..1283b8e7d9 100644
--- a/arch/arm/boards/friendlyarm-tiny6410/Kconfig
+++ b/arch/arm/boards/friendlyarm-tiny6410/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if MACH_TINY6410
choice
diff --git a/arch/arm/boards/friendlyarm-tiny6410/Makefile b/arch/arm/boards/friendlyarm-tiny6410/Makefile
index ba3f3360f8..f0b868d67f 100644
--- a/arch/arm/boards/friendlyarm-tiny6410/Makefile
+++ b/arch/arm/boards/friendlyarm-tiny6410/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += tiny6410.o
lwl-y += lowlevel.o
lwl-$(CONFIG_MACH_TINY6410_FA) += development-board.o
diff --git a/arch/arm/boards/gateworks-ventana/Makefile b/arch/arm/boards/gateworks-ventana/Makefile
index 7d195eebd6..4e1cefbc4c 100644
--- a/arch/arm/boards/gateworks-ventana/Makefile
+++ b/arch/arm/boards/gateworks-ventana/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o gsc.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/gk802/Makefile b/arch/arm/boards/gk802/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/gk802/Makefile
+++ b/arch/arm/boards/gk802/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/globalscale-guruplug/Makefile b/arch/arm/boards/globalscale-guruplug/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/arm/boards/globalscale-guruplug/Makefile
+++ b/arch/arm/boards/globalscale-guruplug/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/globalscale-mirabox/Makefile b/arch/arm/boards/globalscale-mirabox/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/arm/boards/globalscale-mirabox/Makefile
+++ b/arch/arm/boards/globalscale-mirabox/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/grinn-liteboard/Makefile b/arch/arm/boards/grinn-liteboard/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/grinn-liteboard/Makefile
+++ b/arch/arm/boards/grinn-liteboard/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/guf-neso/Makefile b/arch/arm/boards/guf-neso/Makefile
index af90c36c7e..8d304e4afb 100644
--- a/arch/arm/boards/guf-neso/Makefile
+++ b/arch/arm/boards/guf-neso/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
obj-y += board.o
obj-y += pll_init.o
diff --git a/arch/arm/boards/guf-santaro/Makefile b/arch/arm/boards/guf-santaro/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/guf-santaro/Makefile
+++ b/arch/arm/boards/guf-santaro/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/guf-vincell/Makefile b/arch/arm/boards/guf-vincell/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/guf-vincell/Makefile
+++ b/arch/arm/boards/guf-vincell/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/haba-knx/Makefile b/arch/arm/boards/haba-knx/Makefile
index b1c469dcf9..f2cf1123ed 100644
--- a/arch/arm/boards/haba-knx/Makefile
+++ b/arch/arm/boards/haba-knx/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/imx233-olinuxino/Makefile b/arch/arm/boards/imx233-olinuxino/Makefile
index 987b34394a..1288c8c1de 100644
--- a/arch/arm/boards/imx233-olinuxino/Makefile
+++ b/arch/arm/boards/imx233-olinuxino/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y = imx23-olinuxino.o
lwl-y += lowlevel.o
bbenv-y += defaultenv-imx233-olinuxino
diff --git a/arch/arm/boards/kamstrup-mx7-concentrator/Makefile b/arch/arm/boards/kamstrup-mx7-concentrator/Makefile
index 7ab9f52747..458f520900 100644
--- a/arch/arm/boards/kamstrup-mx7-concentrator/Makefile
+++ b/arch/arm/boards/kamstrup-mx7-concentrator/Makefile
@@ -1 +1,3 @@
-lwl-y += lowlevel.o \ No newline at end of file
+# SPDX-License-Identifier: GPL-2.0-only
+
+lwl-y += lowlevel.o
diff --git a/arch/arm/boards/karo-tx28/Makefile b/arch/arm/boards/karo-tx28/Makefile
index c7d7398cf3..b13ffc8f3c 100644
--- a/arch/arm/boards/karo-tx28/Makefile
+++ b/arch/arm/boards/karo-tx28/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += tx28.o
obj-$(CONFIG_MACH_TX28STK5) += tx28-stk5.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/karo-tx53/Makefile b/arch/arm/boards/karo-tx53/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/karo-tx53/Makefile
+++ b/arch/arm/boards/karo-tx53/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/karo-tx6x/Makefile b/arch/arm/boards/karo-tx6x/Makefile
index 51b7c2d449..bfd7eed20a 100644
--- a/arch/arm/boards/karo-tx6x/Makefile
+++ b/arch/arm/boards/karo-tx6x/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
obj-y += pmic-ltc3676.o pmic-rn5t567.o pmic-rn5t618.o
diff --git a/arch/arm/boards/kindle-mx50/Makefile b/arch/arm/boards/kindle-mx50/Makefile
index 2cc614a878..14cf83793d 100644
--- a/arch/arm/boards/kindle-mx50/Makefile
+++ b/arch/arm/boards/kindle-mx50/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
bbenv-y += defaultenv-kindle-mx50
diff --git a/arch/arm/boards/kindle3/Makefile b/arch/arm/boards/kindle3/Makefile
index 86c746240e..75a0ff560f 100644
--- a/arch/arm/boards/kindle3/Makefile
+++ b/arch/arm/boards/kindle3/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += kindle3.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/kontron-samx6i/Makefile b/arch/arm/boards/kontron-samx6i/Makefile
index 816962241a..d753ff5f18 100644
--- a/arch/arm/boards/kontron-samx6i/Makefile
+++ b/arch/arm/boards/kontron-samx6i/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o mem.o
lwl-y += lowlevel.o mem.o
diff --git a/arch/arm/boards/lenovo-ix4-300d/Makefile b/arch/arm/boards/lenovo-ix4-300d/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/arm/boards/lenovo-ix4-300d/Makefile
+++ b/arch/arm/boards/lenovo-ix4-300d/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/ls1046ardb/Makefile b/arch/arm/boards/ls1046ardb/Makefile
index 03ac4ecca3..829be5327a 100644
--- a/arch/arm/boards/ls1046ardb/Makefile
+++ b/arch/arm/boards/ls1046ardb/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
obj-y += board.o
lwl-y += start.o
diff --git a/arch/arm/boards/lubbock/Makefile b/arch/arm/boards/lubbock/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/lubbock/Makefile
+++ b/arch/arm/boards/lubbock/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/lxa-mc1/Makefile b/arch/arm/boards/lxa-mc1/Makefile
index 092c31d6b2..5678718188 100644
--- a/arch/arm/boards/lxa-mc1/Makefile
+++ b/arch/arm/boards/lxa-mc1/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
obj-y += board.o
diff --git a/arch/arm/boards/mainstone/Makefile b/arch/arm/boards/mainstone/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/mainstone/Makefile
+++ b/arch/arm/boards/mainstone/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/marvell-armada-xp-db/Makefile b/arch/arm/boards/marvell-armada-xp-db/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/marvell-armada-xp-db/Makefile
+++ b/arch/arm/boards/marvell-armada-xp-db/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/marvell-armada-xp-gp/Makefile b/arch/arm/boards/marvell-armada-xp-gp/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/arm/boards/marvell-armada-xp-gp/Makefile
+++ b/arch/arm/boards/marvell-armada-xp-gp/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/microchip-ksz9477-evb/Makefile b/arch/arm/boards/microchip-ksz9477-evb/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/arm/boards/microchip-ksz9477-evb/Makefile
+++ b/arch/arm/boards/microchip-ksz9477-evb/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/mioa701/Makefile b/arch/arm/boards/mioa701/Makefile
index 3072706237..bf17869fb2 100644
--- a/arch/arm/boards/mioa701/Makefile
+++ b/arch/arm/boards/mioa701/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o gpio0_poweroff.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/mnt-reform/Makefile b/arch/arm/boards/mnt-reform/Makefile
index a3da88fbe6..35d8640087 100644
--- a/arch/arm/boards/mnt-reform/Makefile
+++ b/arch/arm/boards/mnt-reform/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
-lwl-y += lowlevel.o lpddr4-timing.o \ No newline at end of file
+lwl-y += lowlevel.o lpddr4-timing.o
diff --git a/arch/arm/boards/module-mb7707/Makefile b/arch/arm/boards/module-mb7707/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/module-mb7707/Makefile
+++ b/arch/arm/boards/module-mb7707/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/netgear-rn104/Makefile b/arch/arm/boards/netgear-rn104/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/arm/boards/netgear-rn104/Makefile
+++ b/arch/arm/boards/netgear-rn104/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/netgear-rn2120/Makefile b/arch/arm/boards/netgear-rn2120/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/netgear-rn2120/Makefile
+++ b/arch/arm/boards/netgear-rn2120/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/nhk8815/Makefile b/arch/arm/boards/nhk8815/Makefile
index 56f2013e22..0367fa7dd5 100644
--- a/arch/arm/boards/nhk8815/Makefile
+++ b/arch/arm/boards/nhk8815/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += setup.o
lwl-y += lowlevel.o
bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC) += defaultenv-nhk8815
diff --git a/arch/arm/boards/nvidia-beaver/Makefile b/arch/arm/boards/nvidia-beaver/Makefile
index 1b90eb13fd..6485e5d2da 100644
--- a/arch/arm/boards/nvidia-beaver/Makefile
+++ b/arch/arm/boards/nvidia-beaver/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
CFLAGS_entry.pbl.o := -mcpu=arm7tdmi -march=armv4t
soc := tegra30
lwl-y += entry.o
diff --git a/arch/arm/boards/nvidia-jetson-tk1/Makefile b/arch/arm/boards/nvidia-jetson-tk1/Makefile
index d38001c158..7d9402f9b3 100644
--- a/arch/arm/boards/nvidia-jetson-tk1/Makefile
+++ b/arch/arm/boards/nvidia-jetson-tk1/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
CFLAGS_entry.pbl.o := -mcpu=arm7tdmi -march=armv4t
soc := tegra124
lwl-y += entry.o
diff --git a/arch/arm/boards/nxp-imx6ull-evk/Makefile b/arch/arm/boards/nxp-imx6ull-evk/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/nxp-imx6ull-evk/Makefile
+++ b/arch/arm/boards/nxp-imx6ull-evk/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/nxp-imx8mm-evk/Makefile b/arch/arm/boards/nxp-imx8mm-evk/Makefile
index 4d0d989015..35d8640087 100644
--- a/arch/arm/boards/nxp-imx8mm-evk/Makefile
+++ b/arch/arm/boards/nxp-imx8mm-evk/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o lpddr4-timing.o
diff --git a/arch/arm/boards/nxp-imx8mn-evk/Makefile b/arch/arm/boards/nxp-imx8mn-evk/Makefile
index 4b13ff3b94..d74c5845ef 100644
--- a/arch/arm/boards/nxp-imx8mn-evk/Makefile
+++ b/arch/arm/boards/nxp-imx8mn-evk/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o ddr4-timing.o lpddr4-timing.o
diff --git a/arch/arm/boards/nxp-imx8mp-evk/Makefile b/arch/arm/boards/nxp-imx8mp-evk/Makefile
index 4d0d989015..35d8640087 100644
--- a/arch/arm/boards/nxp-imx8mp-evk/Makefile
+++ b/arch/arm/boards/nxp-imx8mp-evk/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o lpddr4-timing.o
diff --git a/arch/arm/boards/nxp-imx8mq-evk/Makefile b/arch/arm/boards/nxp-imx8mq-evk/Makefile
index 2995f06f0f..17d769f330 100644
--- a/arch/arm/boards/nxp-imx8mq-evk/Makefile
+++ b/arch/arm/boards/nxp-imx8mq-evk/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o ddr_init.o ddrphy_train.o
diff --git a/arch/arm/boards/omap343xdsp/Makefile b/arch/arm/boards/omap343xdsp/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/omap343xdsp/Makefile
+++ b/arch/arm/boards/omap343xdsp/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/omap3evm/Makefile b/arch/arm/boards/omap3evm/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/omap3evm/Makefile
+++ b/arch/arm/boards/omap3evm/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/panda/Makefile b/arch/arm/boards/panda/Makefile
index 5d4eb10b9b..3bd91350ce 100644
--- a/arch/arm/boards/panda/Makefile
+++ b/arch/arm/boards/panda/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o mux.o
diff --git a/arch/arm/boards/phytec-phycard-imx27/Makefile b/arch/arm/boards/phytec-phycard-imx27/Makefile
index 34492bb127..0e6411d588 100644
--- a/arch/arm/boards/phytec-phycard-imx27/Makefile
+++ b/arch/arm/boards/phytec-phycard-imx27/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
lwl-y += lowlevel.o
obj-y += pca100.o
diff --git a/arch/arm/boards/phytec-phycore-imx27/Makefile b/arch/arm/boards/phytec-phycore-imx27/Makefile
index 4723c77818..ce7b990407 100644
--- a/arch/arm/boards/phytec-phycore-imx27/Makefile
+++ b/arch/arm/boards/phytec-phycore-imx27/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += pcm038.o pcm970.o
lwl-y += lowlevel.o
bbenv-y += defaultenv-pcm038
diff --git a/arch/arm/boards/phytec-phycore-imx7/Makefile b/arch/arm/boards/phytec-phycore-imx7/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/phytec-phycore-imx7/Makefile
+++ b/arch/arm/boards/phytec-phycore-imx7/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/phytec-phycore-omap4460/Makefile b/arch/arm/boards/phytec-phycore-omap4460/Makefile
index 5e78e11ec1..c5d3950bc3 100644
--- a/arch/arm/boards/phytec-phycore-omap4460/Makefile
+++ b/arch/arm/boards/phytec-phycore-omap4460/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o mux.o
bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC) += defaultenv-phytec-phycore-omap4460
diff --git a/arch/arm/boards/phytec-phycore-pxa270/Makefile b/arch/arm/boards/phytec-phycore-pxa270/Makefile
index 040cf93944..e00d1cfd7f 100644
--- a/arch/arm/boards/phytec-phycore-pxa270/Makefile
+++ b/arch/arm/boards/phytec-phycore-pxa270/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel_init.o
diff --git a/arch/arm/boards/phytec-som-am335x/Kconfig b/arch/arm/boards/phytec-som-am335x/Kconfig
index 52fa723a21..054a1d219f 100644
--- a/arch/arm/boards/phytec-som-am335x/Kconfig
+++ b/arch/arm/boards/phytec-som-am335x/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
if MACH_PHYTEC_SOM_AM335X
diff --git a/arch/arm/boards/phytec-som-am335x/Makefile b/arch/arm/boards/phytec-som-am335x/Makefile
index 78397bd59f..82dd631c9f 100644
--- a/arch/arm/boards/phytec-som-am335x/Makefile
+++ b/arch/arm/boards/phytec-som-am335x/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
obj-y += board.o
bbenv-y += defaultenv-physom-am335x
diff --git a/arch/arm/boards/phytec-som-imx6/Makefile b/arch/arm/boards/phytec-som-imx6/Makefile
index 73456aed8b..0780da79b9 100644
--- a/arch/arm/boards/phytec-som-imx6/Makefile
+++ b/arch/arm/boards/phytec-som-imx6/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
bbenv-y += defaultenv-physom-imx6
diff --git a/arch/arm/boards/phytec-som-imx8mq/Makefile b/arch/arm/boards/phytec-som-imx8mq/Makefile
index 2995f06f0f..17d769f330 100644
--- a/arch/arm/boards/phytec-som-imx8mq/Makefile
+++ b/arch/arm/boards/phytec-som-imx8mq/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o ddr_init.o ddrphy_train.o
diff --git a/arch/arm/boards/phytec-som-rk3288/Makefile b/arch/arm/boards/phytec-som-rk3288/Makefile
index 6f34c9a2f2..e4ba704dea 100644
--- a/arch/arm/boards/phytec-som-rk3288/Makefile
+++ b/arch/arm/boards/phytec-som-rk3288/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
bbenv-y += defaultenv-physom-rk3288
diff --git a/arch/arm/boards/plathome-openblocks-a6/Makefile b/arch/arm/boards/plathome-openblocks-a6/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/arm/boards/plathome-openblocks-a6/Makefile
+++ b/arch/arm/boards/plathome-openblocks-a6/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/plathome-openblocks-ax3/Makefile b/arch/arm/boards/plathome-openblocks-ax3/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/arm/boards/plathome-openblocks-ax3/Makefile
+++ b/arch/arm/boards/plathome-openblocks-ax3/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/pm9261/Makefile b/arch/arm/boards/pm9261/Makefile
index e9bf1212fe..5b501a548f 100644
--- a/arch/arm/boards/pm9261/Makefile
+++ b/arch/arm/boards/pm9261/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
lwl-y += lowlevel_init.o
diff --git a/arch/arm/boards/pm9263/Makefile b/arch/arm/boards/pm9263/Makefile
index 68bfbfa926..7220ee11f3 100644
--- a/arch/arm/boards/pm9263/Makefile
+++ b/arch/arm/boards/pm9263/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
lwl-y += lowlevel_init.o
diff --git a/arch/arm/boards/pm9g45/Makefile b/arch/arm/boards/pm9g45/Makefile
index abf50243e5..148ae4a252 100644
--- a/arch/arm/boards/pm9g45/Makefile
+++ b/arch/arm/boards/pm9g45/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/protonic-imx6/Makefile b/arch/arm/boards/protonic-imx6/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/protonic-imx6/Makefile
+++ b/arch/arm/boards/protonic-imx6/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/protonic-imx8m/Makefile b/arch/arm/boards/protonic-imx8m/Makefile
index 51a27f0c2d..18da0f5a44 100644
--- a/arch/arm/boards/protonic-imx8m/Makefile
+++ b/arch/arm/boards/protonic-imx8m/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel-prt8mm.o lpddr4-timing-prt8mm.o
bbenv-y += defaultenv-prt8m
diff --git a/arch/arm/boards/protonic-stm32mp1/Makefile b/arch/arm/boards/protonic-stm32mp1/Makefile
index 092c31d6b2..5678718188 100644
--- a/arch/arm/boards/protonic-stm32mp1/Makefile
+++ b/arch/arm/boards/protonic-stm32mp1/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
obj-y += board.o
diff --git a/arch/arm/boards/qemu-virt/Makefile b/arch/arm/boards/qemu-virt/Makefile
index dcfc2937d3..ad283446ea 100644
--- a/arch/arm/boards/qemu-virt/Makefile
+++ b/arch/arm/boards/qemu-virt/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
diff --git a/arch/arm/boards/qil-a926x/Makefile b/arch/arm/boards/qil-a926x/Makefile
index 82e46b369f..bf5ed8b4f4 100644
--- a/arch/arm/boards/qil-a926x/Makefile
+++ b/arch/arm/boards/qil-a926x/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/radxa-rock/Makefile b/arch/arm/boards/radxa-rock/Makefile
index ec930bc264..79d3969dcd 100644
--- a/arch/arm/boards/radxa-rock/Makefile
+++ b/arch/arm/boards/radxa-rock/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_MACH_RADXA_ROCK) += board.o
lwl-y += lowlevel.o
bbenv-y += defaultenv-radxa-rock
diff --git a/arch/arm/boards/raspberry-pi/Makefile b/arch/arm/boards/raspberry-pi/Makefile
index ddcf015f08..6f995b5640 100644
--- a/arch/arm/boards/raspberry-pi/Makefile
+++ b/arch/arm/boards/raspberry-pi/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_MACH_RPI_COMMON) += rpi-common.o
lwl-y += lowlevel.o
bbenv-y += defaultenv-rpi
diff --git a/arch/arm/boards/reflex-achilles/Makefile b/arch/arm/boards/reflex-achilles/Makefile
index 092c31d6b2..5678718188 100644
--- a/arch/arm/boards/reflex-achilles/Makefile
+++ b/arch/arm/boards/reflex-achilles/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
obj-y += board.o
diff --git a/arch/arm/boards/rockchip-rk3568-evb/Makefile b/arch/arm/boards/rockchip-rk3568-evb/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/rockchip-rk3568-evb/Makefile
+++ b/arch/arm/boards/rockchip-rk3568-evb/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/sama5d27-giantboard/Makefile b/arch/arm/boards/sama5d27-giantboard/Makefile
index f5869c4839..e2c6a3adf6 100644
--- a/arch/arm/boards/sama5d27-giantboard/Makefile
+++ b/arch/arm/boards/sama5d27-giantboard/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
obj-y += board.o
bbenv-y += defaultenv-giantboard
diff --git a/arch/arm/boards/sama5d27-som1/Makefile b/arch/arm/boards/sama5d27-som1/Makefile
index 092c31d6b2..5678718188 100644
--- a/arch/arm/boards/sama5d27-som1/Makefile
+++ b/arch/arm/boards/sama5d27-som1/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
obj-y += board.o
diff --git a/arch/arm/boards/sama5d3_xplained/Makefile b/arch/arm/boards/sama5d3_xplained/Makefile
index e5c86e5895..b7d6b2e7fa 100644
--- a/arch/arm/boards/sama5d3_xplained/Makefile
+++ b/arch/arm/boards/sama5d3_xplained/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC) += defaultenv-sama5d3_xplained
diff --git a/arch/arm/boards/sama5d3xek/Makefile b/arch/arm/boards/sama5d3xek/Makefile
index 6ed914fc0a..9691f07917 100644
--- a/arch/arm/boards/sama5d3xek/Makefile
+++ b/arch/arm/boards/sama5d3xek/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
obj-$(CONFIG_W1) += hw_version.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/sama5d4_xplained/Makefile b/arch/arm/boards/sama5d4_xplained/Makefile
index 8873dfc22c..eece4cc381 100644
--- a/arch/arm/boards/sama5d4_xplained/Makefile
+++ b/arch/arm/boards/sama5d4_xplained/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += sama5d4_xplained.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/sama5d4ek/Makefile b/arch/arm/boards/sama5d4ek/Makefile
index 152750bbe0..82ffe9771c 100644
--- a/arch/arm/boards/sama5d4ek/Makefile
+++ b/arch/arm/boards/sama5d4ek/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += sama5d4ek.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/scb9328/Makefile b/arch/arm/boards/scb9328/Makefile
index 8e1c7ef7a5..5c13dddc06 100644
--- a/arch/arm/boards/scb9328/Makefile
+++ b/arch/arm/boards/scb9328/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
lwl-y += lowlevel_init.o lowlevel.o
obj-y += scb9328.o
diff --git a/arch/arm/boards/seeed-odyssey/Makefile b/arch/arm/boards/seeed-odyssey/Makefile
index 092c31d6b2..5678718188 100644
--- a/arch/arm/boards/seeed-odyssey/Makefile
+++ b/arch/arm/boards/seeed-odyssey/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
obj-y += board.o
diff --git a/arch/arm/boards/skov-arm9cpu/Makefile b/arch/arm/boards/skov-arm9cpu/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/skov-arm9cpu/Makefile
+++ b/arch/arm/boards/skov-arm9cpu/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/skov-imx6/Makefile b/arch/arm/boards/skov-imx6/Makefile
index 07b87ff11d..b6b8b44b84 100644
--- a/arch/arm/boards/skov-imx6/Makefile
+++ b/arch/arm/boards/skov-imx6/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
obj-pbl-y += version.o
diff --git a/arch/arm/boards/solidrun-cubox/Makefile b/arch/arm/boards/solidrun-cubox/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/solidrun-cubox/Makefile
+++ b/arch/arm/boards/solidrun-cubox/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/solidrun-microsom/Makefile b/arch/arm/boards/solidrun-microsom/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/solidrun-microsom/Makefile
+++ b/arch/arm/boards/solidrun-microsom/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/stm32mp15x-ev1/Makefile b/arch/arm/boards/stm32mp15x-ev1/Makefile
index 092c31d6b2..5678718188 100644
--- a/arch/arm/boards/stm32mp15x-ev1/Makefile
+++ b/arch/arm/boards/stm32mp15x-ev1/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
obj-y += board.o
diff --git a/arch/arm/boards/stm32mp15xx-dkx/Makefile b/arch/arm/boards/stm32mp15xx-dkx/Makefile
index 092c31d6b2..5678718188 100644
--- a/arch/arm/boards/stm32mp15xx-dkx/Makefile
+++ b/arch/arm/boards/stm32mp15xx-dkx/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
obj-y += board.o
diff --git a/arch/arm/boards/technexion-pico-hobbit/Makefile b/arch/arm/boards/technexion-pico-hobbit/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/technexion-pico-hobbit/Makefile
+++ b/arch/arm/boards/technexion-pico-hobbit/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/technexion-wandboard/Makefile b/arch/arm/boards/technexion-wandboard/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/technexion-wandboard/Makefile
+++ b/arch/arm/boards/technexion-wandboard/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/telit-evk-pro3/Makefile b/arch/arm/boards/telit-evk-pro3/Makefile
index e11fd5b692..d59545033d 100644
--- a/arch/arm/boards/telit-evk-pro3/Makefile
+++ b/arch/arm/boards/telit-evk-pro3/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/terasic-de0-nano-soc/Makefile b/arch/arm/boards/terasic-de0-nano-soc/Makefile
index 8c927fe291..ea898309d7 100644
--- a/arch/arm/boards/terasic-de0-nano-soc/Makefile
+++ b/arch/arm/boards/terasic-de0-nano-soc/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += lowlevel.o board.o
pbl-y += lowlevel.o
diff --git a/arch/arm/boards/terasic-de10-nano/Makefile b/arch/arm/boards/terasic-de10-nano/Makefile
index 8c927fe291..ea898309d7 100644
--- a/arch/arm/boards/terasic-de10-nano/Makefile
+++ b/arch/arm/boards/terasic-de10-nano/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += lowlevel.o board.o
pbl-y += lowlevel.o
diff --git a/arch/arm/boards/terasic-sockit/Makefile b/arch/arm/boards/terasic-sockit/Makefile
index 8c927fe291..ea898309d7 100644
--- a/arch/arm/boards/terasic-sockit/Makefile
+++ b/arch/arm/boards/terasic-sockit/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += lowlevel.o board.o
pbl-y += lowlevel.o
diff --git a/arch/arm/boards/tny-a926x/Makefile b/arch/arm/boards/tny-a926x/Makefile
index d400788757..1ebe527d60 100644
--- a/arch/arm/boards/tny-a926x/Makefile
+++ b/arch/arm/boards/tny-a926x/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
obj-$(CONFIG_AT91_BOOTSTRAP) += tny_a9263_bootstrap.o
diff --git a/arch/arm/boards/toradex-colibri-t20/Makefile b/arch/arm/boards/toradex-colibri-t20/Makefile
index cdce48d1f8..aeb4765cf6 100644
--- a/arch/arm/boards/toradex-colibri-t20/Makefile
+++ b/arch/arm/boards/toradex-colibri-t20/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
CFLAGS_entry.pbl.o := -mcpu=arm7tdmi -march=armv4t
soc := tegra20
lwl-y += entry.o
diff --git a/arch/arm/boards/toshiba-ac100/Makefile b/arch/arm/boards/toshiba-ac100/Makefile
index e8158cb253..702c86a924 100644
--- a/arch/arm/boards/toshiba-ac100/Makefile
+++ b/arch/arm/boards/toshiba-ac100/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
CFLAGS_entry.pbl.o := -mcpu=arm7tdmi -march=armv4t
lwl-y += entry.o
obj-y += board.o
diff --git a/arch/arm/boards/tqma53/Makefile b/arch/arm/boards/tqma53/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/tqma53/Makefile
+++ b/arch/arm/boards/tqma53/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/tqma6x/Makefile b/arch/arm/boards/tqma6x/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/tqma6x/Makefile
+++ b/arch/arm/boards/tqma6x/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/tqmls1046a/Makefile b/arch/arm/boards/tqmls1046a/Makefile
index 851a5dcb3d..4af7fc3602 100644
--- a/arch/arm/boards/tqmls1046a/Makefile
+++ b/arch/arm/boards/tqmls1046a/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o start.o
obj-y += board.o
bbenv-y += defaultenv-tqmls1046a
diff --git a/arch/arm/boards/turris-omnia/Makefile b/arch/arm/boards/turris-omnia/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/arm/boards/turris-omnia/Makefile
+++ b/arch/arm/boards/turris-omnia/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/udoo-neo/Makefile b/arch/arm/boards/udoo-neo/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/udoo-neo/Makefile
+++ b/arch/arm/boards/udoo-neo/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/udoo/Makefile b/arch/arm/boards/udoo/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/udoo/Makefile
+++ b/arch/arm/boards/udoo/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/usb-a926x/Makefile b/arch/arm/boards/usb-a926x/Makefile
index 65cc4082fc..022b1a4ab6 100644
--- a/arch/arm/boards/usb-a926x/Makefile
+++ b/arch/arm/boards/usb-a926x/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
obj-$(CONFIG_AT91_BOOTSTRAP) += usb_a9263_bootstrap.o
diff --git a/arch/arm/boards/usi-topkick/Makefile b/arch/arm/boards/usi-topkick/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/arm/boards/usi-topkick/Makefile
+++ b/arch/arm/boards/usi-topkick/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/variscite-mx6/Makefile b/arch/arm/boards/variscite-mx6/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/variscite-mx6/Makefile
+++ b/arch/arm/boards/variscite-mx6/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/versatile/Kconfig b/arch/arm/boards/versatile/Kconfig
index 94cba3ba81..66492404e0 100644
--- a/arch/arm/boards/versatile/Kconfig
+++ b/arch/arm/boards/versatile/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
if MACH_VERSATILEPB
diff --git a/arch/arm/boards/versatile/Makefile b/arch/arm/boards/versatile/Makefile
index 89232a7884..5a55d0017d 100644
--- a/arch/arm/boards/versatile/Makefile
+++ b/arch/arm/boards/versatile/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_MACH_VERSATILEPB) += versatilepb.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/vexpress/Makefile b/arch/arm/boards/vexpress/Makefile
index 2da0494d49..720210d890 100644
--- a/arch/arm/boards/vexpress/Makefile
+++ b/arch/arm/boards/vexpress/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += init.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/virt2real/Makefile b/arch/arm/boards/virt2real/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/virt2real/Makefile
+++ b/arch/arm/boards/virt2real/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/vscom-baltos/Makefile b/arch/arm/boards/vscom-baltos/Makefile
index 092c31d6b2..5678718188 100644
--- a/arch/arm/boards/vscom-baltos/Makefile
+++ b/arch/arm/boards/vscom-baltos/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
obj-y += board.o
diff --git a/arch/arm/boards/wago-pfc-am35xx/Makefile b/arch/arm/boards/wago-pfc-am35xx/Makefile
index 7bd3009f31..35ac0462cb 100644
--- a/arch/arm/boards/wago-pfc-am35xx/Makefile
+++ b/arch/arm/boards/wago-pfc-am35xx/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
ifdef CONFIG_OMAP_BUILD_IFT
obj-y += board-mlo.o
diff --git a/arch/arm/boards/webasto-ccbv2/Makefile b/arch/arm/boards/webasto-ccbv2/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/webasto-ccbv2/Makefile
+++ b/arch/arm/boards/webasto-ccbv2/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/zii-common/Makefile b/arch/arm/boards/zii-common/Makefile
index 90bdf21e77..7488148cff 100644
--- a/arch/arm/boards/zii-common/Makefile
+++ b/arch/arm/boards/zii-common/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o switch-cmd.o pn-fixup.o
bbenv-y += defaultenv-zii-common
diff --git a/arch/arm/boards/zii-imx51-rdu1/Makefile b/arch/arm/boards/zii-imx51-rdu1/Makefile
index 7f2569bda3..96663f9ae8 100644
--- a/arch/arm/boards/zii-imx51-rdu1/Makefile
+++ b/arch/arm/boards/zii-imx51-rdu1/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
bbenv-y += defaultenv-rdu1
diff --git a/arch/arm/boards/zii-imx6q-rdu2/Makefile b/arch/arm/boards/zii-imx6q-rdu2/Makefile
index c6285362f2..31b592bd36 100644
--- a/arch/arm/boards/zii-imx6q-rdu2/Makefile
+++ b/arch/arm/boards/zii-imx6q-rdu2/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
bbenv-y += defaultenv-rdu2
diff --git a/arch/arm/boards/zii-imx7d-dev/Makefile b/arch/arm/boards/zii-imx7d-dev/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/zii-imx7d-dev/Makefile
+++ b/arch/arm/boards/zii-imx7d-dev/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/boards/zii-imx8mq-dev/Makefile b/arch/arm/boards/zii-imx8mq-dev/Makefile
index d0148b5067..8894e40b5a 100644
--- a/arch/arm/boards/zii-imx8mq-dev/Makefile
+++ b/arch/arm/boards/zii-imx8mq-dev/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o ddr_init.o ddrphy_train.o
bbenv-y += defaultenv-imx8mq-zii-dev
diff --git a/arch/arm/boards/zii-vf610-dev/Makefile b/arch/arm/boards/zii-vf610-dev/Makefile
index 1297d815e3..a1a8318e15 100644
--- a/arch/arm/boards/zii-vf610-dev/Makefile
+++ b/arch/arm/boards/zii-vf610-dev/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
bbenv-y += defaultenv-zii-vf610-dev
diff --git a/arch/arm/boards/zylonite/Makefile b/arch/arm/boards/zylonite/Makefile
index 01c7a259e9..da63d2625f 100644
--- a/arch/arm/boards/zylonite/Makefile
+++ b/arch/arm/boards/zylonite/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
lwl-y += lowlevel.o
diff --git a/arch/arm/cpu/Kconfig b/arch/arm/cpu/Kconfig
index ca3bd98962..0a493754a4 100644
--- a/arch/arm/cpu/Kconfig
+++ b/arch/arm/cpu/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
comment "Processor Type"
config PHYS_ADDR_T_64BIT
diff --git a/arch/arm/cpu/Makefile b/arch/arm/cpu/Makefile
index 6344ab5066..c0993c1abe 100644
--- a/arch/arm/cpu/Makefile
+++ b/arch/arm/cpu/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += cpu.o
obj-$(CONFIG_ARM_EXCEPTIONS) += exceptions$(S64).o interrupts$(S64).o
diff --git a/arch/arm/crypto/Makefile b/arch/arm/crypto/Makefile
index fda4eeafec..990c0bd609 100644
--- a/arch/arm/crypto/Makefile
+++ b/arch/arm/crypto/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Arch-specific CryptoAPI modules.
#
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 76c96752cd..8ae8244bfe 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
# just to build a built-in.o. Otherwise compilation fails when no devicetree is
# created.
obj- += dummy.o
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 33db7350f8..1a8144f6c6 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_BOOTM) += bootm.o
obj-$(CONFIG_CMD_BOOTU) += bootu.o
diff --git a/arch/arm/lib32/Makefile b/arch/arm/lib32/Makefile
index ec6a3aea67..82507fffc0 100644
--- a/arch/arm/lib32/Makefile
+++ b/arch/arm/lib32/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_ARM_LINUX) += armlinux.o
obj-$(CONFIG_CMD_BOOTZ) += bootz.o
obj-$(CONFIG_BOOTM) += bootm.o
diff --git a/arch/arm/lib64/Makefile b/arch/arm/lib64/Makefile
index a004af4867..e86a2e5a2f 100644
--- a/arch/arm/lib64/Makefile
+++ b/arch/arm/lib64/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += stacktrace.o
obj-$(CONFIG_ARM_LINUX) += armlinux.o
obj-y += div0.o
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 734256e361..bc55b1c4e7 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_AT91
config HAVE_AT91_UTMI
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index c895af7a2f..bfdc89f680 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += setup.o aic.o
lwl-y += at91_pmc_ll.o ddramc_ll.o matrix.o
lwl-$(CONFIG_CLOCKSOURCE_ATMEL_PIT) += early_udelay.o
diff --git a/arch/arm/mach-bcm283x/Kconfig b/arch/arm/mach-bcm283x/Kconfig
index 9d6a7b2ec2..75acee8dad 100644
--- a/arch/arm/mach-bcm283x/Kconfig
+++ b/arch/arm/mach-bcm283x/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_BCM283X
config ARCH_TEXT_BASE
diff --git a/arch/arm/mach-bcm283x/Makefile b/arch/arm/mach-bcm283x/Makefile
index 940f98cbce..e5ef78af97 100644
--- a/arch/arm/mach-bcm283x/Makefile
+++ b/arch/arm/mach-bcm283x/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += core.o mbox.o
diff --git a/arch/arm/mach-clps711x/Kconfig b/arch/arm/mach-clps711x/Kconfig
index c00514e86d..52cf8468c0 100644
--- a/arch/arm/mach-clps711x/Kconfig
+++ b/arch/arm/mach-clps711x/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_CLPS711X
choice
diff --git a/arch/arm/mach-clps711x/Makefile b/arch/arm/mach-clps711x/Makefile
index 45525343d7..4d5950d9b5 100644
--- a/arch/arm/mach-clps711x/Makefile
+++ b/arch/arm/mach-clps711x/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += clock.o devices.o reset.o
lwl-y += lowlevel.o
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index c6d4fce603..a87b6256ce 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_DAVINCI
config ARCH_TEXT_BASE
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index b96d4146f6..f7865a941b 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += time.o
diff --git a/arch/arm/mach-digic/Kconfig b/arch/arm/mach-digic/Kconfig
index d25c3b3f51..25b9a0da2f 100644
--- a/arch/arm/mach-digic/Kconfig
+++ b/arch/arm/mach-digic/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_DIGIC
choice
diff --git a/arch/arm/mach-digic/Makefile b/arch/arm/mach-digic/Makefile
index 16a218658a..1c2b374603 100644
--- a/arch/arm/mach-digic/Makefile
+++ b/arch/arm/mach-digic/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj- := __dummy__.o
diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig
index f805a8fd52..e39f1d8a9b 100644
--- a/arch/arm/mach-ep93xx/Kconfig
+++ b/arch/arm/mach-ep93xx/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_EP93XX
config EP93XX_SDCE0_PHYS_OFFSET
diff --git a/arch/arm/mach-ep93xx/Makefile b/arch/arm/mach-ep93xx/Makefile
index fc0cb1afcd..80dbe7c42b 100644
--- a/arch/arm/mach-ep93xx/Makefile
+++ b/arch/arm/mach-ep93xx/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += clocksource.o gpio.o header.o
lwl-y += lowlevel_init.o led.o
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 92db011bae..454f7328d8 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_IMX
config ARCH_TEXT_BASE
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index d94c846a13..2cafcd77e0 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_ARCH_IMX1) += imx1.o
obj-$(CONFIG_ARCH_IMX25) += imx25.o
obj-$(CONFIG_ARCH_IMX21) += imx21.o
diff --git a/arch/arm/mach-layerscape/Kconfig b/arch/arm/mach-layerscape/Kconfig
index c15d5873a5..bdd7d0dbfe 100644
--- a/arch/arm/mach-layerscape/Kconfig
+++ b/arch/arm/mach-layerscape/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_LAYERSCAPE
config ARCH_LAYERSCAPE_PPA
diff --git a/arch/arm/mach-layerscape/Makefile b/arch/arm/mach-layerscape/Makefile
index 854a327c91..58d3ea820a 100644
--- a/arch/arm/mach-layerscape/Makefile
+++ b/arch/arm/mach-layerscape/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj- := __dummy__.o
lwl-y += lowlevel.o errata.o
lwl-$(CONFIG_ARCH_LS1046) += lowlevel-ls1046a.o
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index bab22f07ff..1b26148434 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_MVEBU
config ARCH_TEXT_BASE
diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile
index 6079403b83..88580cb58f 100644
--- a/arch/arm/mach-mvebu/Makefile
+++ b/arch/arm/mach-mvebu/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-pbl-y += common.o
obj-$(CONFIG_ARCH_ARMADA_370) += armada-370-xp.o
obj-$(CONFIG_ARCH_ARMADA_XP) += armada-370-xp.o
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index f4a9d3d422..691c159e36 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_MXS
config ARCH_TEXT_BASE
diff --git a/arch/arm/mach-mxs/Makefile b/arch/arm/mach-mxs/Makefile
index e3843368c2..0f3fba8967 100644
--- a/arch/arm/mach-mxs/Makefile
+++ b/arch/arm/mach-mxs/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += imx.o iomux-imx.o power.o
pbl-y += iomux-imx.o
obj-$(CONFIG_ARCH_IMX23) += clocksource-imx23.o usb-imx23.o soc-imx23.o
diff --git a/arch/arm/mach-nomadik/Kconfig b/arch/arm/mach-nomadik/Kconfig
index 51d490df1b..8237779173 100644
--- a/arch/arm/mach-nomadik/Kconfig
+++ b/arch/arm/mach-nomadik/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_NOMADIK
config ARCH_TEXT_BASE
diff --git a/arch/arm/mach-nomadik/Makefile b/arch/arm/mach-nomadik/Makefile
index 1d77c4cf52..0ab83f61c8 100644
--- a/arch/arm/mach-nomadik/Makefile
+++ b/arch/arm/mach-nomadik/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
obj-y += clock.o reset.o timer.o
obj-y += 8815.o
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index fd9084f83e..711f8ed8d8 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_PXA
config ARCH_TEXT_BASE
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 0c3219807b..9249c8fe14 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += clocksource.o
obj-y += common.o
obj-y += gpio.o
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index 5603fc12c3..2e855714f7 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
menu "Rockchip Features"
depends on ARCH_ROCKCHIP
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index 66bcdba2eb..72bf77c1e1 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += rockchip.o
pbl-$(CONFIG_ARCH_RK3568) += atf.o
obj-$(CONFIG_ARCH_RK3188) += rk3188.o
diff --git a/arch/arm/mach-samsung/Kconfig b/arch/arm/mach-samsung/Kconfig
index fa1a3ddcc4..aa2ae67e2d 100644
--- a/arch/arm/mach-samsung/Kconfig
+++ b/arch/arm/mach-samsung/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
config ARCH_SAMSUNG
bool
diff --git a/arch/arm/mach-samsung/Makefile b/arch/arm/mach-samsung/Makefile
index 284c80a2ad..8a893a076f 100644
--- a/arch/arm/mach-samsung/Makefile
+++ b/arch/arm/mach-samsung/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += s3c-timer.o generic.o
obj-$(CONFIG_RESET_SOURCE) += reset_source.o
obj-lowlevel-$(CONFIG_ARCH_S3C24xx) += lowlevel-s3c24x0.o
diff --git a/arch/arm/mach-socfpga/Kconfig b/arch/arm/mach-socfpga/Kconfig
index ea2abebaa2..80344315e3 100644
--- a/arch/arm/mach-socfpga/Kconfig
+++ b/arch/arm/mach-socfpga/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_SOCFPGA
config ARCH_TEXT_BASE
diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/Makefile
index 3a3a2fc57d..935270bfad 100644
--- a/arch/arm/mach-socfpga/Makefile
+++ b/arch/arm/mach-socfpga/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
pbl-$(CONFIG_ARCH_SOCFPGA_CYCLONE5) += cyclone5-init.o cyclone5-freeze-controller.o cyclone5-scan-manager.o cyclone5-system-manager.o
pbl-$(CONFIG_ARCH_SOCFPGA_CYCLONE5) += cyclone5-clock-manager.o
obj-$(CONFIG_ARCH_SOCFPGA_CYCLONE5) += cyclone5-generic.o nic301.o cyclone5-bootsource.o cyclone5-reset-manager.o
diff --git a/arch/arm/mach-stm32mp/Kconfig b/arch/arm/mach-stm32mp/Kconfig
index 8328eb899a..d059dbda56 100644
--- a/arch/arm/mach-stm32mp/Kconfig
+++ b/arch/arm/mach-stm32mp/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_STM32MP
config ARCH_NR_GPIO
diff --git a/arch/arm/mach-stm32mp/Makefile b/arch/arm/mach-stm32mp/Makefile
index 8e14b22535..4163bd176b 100644
--- a/arch/arm/mach-stm32mp/Makefile
+++ b/arch/arm/mach-stm32mp/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y := init.o
obj-pbl-y := ddrctrl.o
obj-$(CONFIG_BOOTM) += stm32image.o
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index f144d346b4..cc256f584a 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_TEGRA
config ARCH_TEXT_BASE
diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index 60aae41ea0..ddc029bda2 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
CFLAGS_tegra_avp_init.o := -mcpu=arm7tdmi -march=armv4t
CFLAGS_tegra_avp_init.pbl.o := -mcpu=arm7tdmi -march=armv4t
lwl-y += tegra_avp_init.o
diff --git a/arch/arm/mach-uemd/Kconfig b/arch/arm/mach-uemd/Kconfig
index 2bcdd320c9..7844b9c78f 100644
--- a/arch/arm/mach-uemd/Kconfig
+++ b/arch/arm/mach-uemd/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_UEMD
config ARCH_TEXT_BASE
diff --git a/arch/arm/mach-uemd/Makefile b/arch/arm/mach-uemd/Makefile
index 16a218658a..1c2b374603 100644
--- a/arch/arm/mach-uemd/Makefile
+++ b/arch/arm/mach-uemd/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj- := __dummy__.o
diff --git a/arch/arm/mach-versatile/Kconfig b/arch/arm/mach-versatile/Kconfig
index 95172cff8c..e0e1996d33 100644
--- a/arch/arm/mach-versatile/Kconfig
+++ b/arch/arm/mach-versatile/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
if ARCH_VERSATILE
diff --git a/arch/arm/mach-versatile/Makefile b/arch/arm/mach-versatile/Makefile
index a8da54c27b..6a9630115f 100644
--- a/arch/arm/mach-versatile/Makefile
+++ b/arch/arm/mach-versatile/Makefile
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
obj-y += core.o
diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig
index b72684caa7..1b89d0edf9 100644
--- a/arch/arm/mach-vexpress/Kconfig
+++ b/arch/arm/mach-vexpress/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_VEXPRESS
config ARCH_TEXT_BASE
diff --git a/arch/arm/mach-vexpress/Makefile b/arch/arm/mach-vexpress/Makefile
index 9a06e648a6..b52ba00f3c 100644
--- a/arch/arm/mach-vexpress/Makefile
+++ b/arch/arm/mach-vexpress/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += v2m.o
obj-y += reset.o
diff --git a/arch/arm/mach-zynq/Kconfig b/arch/arm/mach-zynq/Kconfig
index 3e07633e5f..3f2cd8e99c 100644
--- a/arch/arm/mach-zynq/Kconfig
+++ b/arch/arm/mach-zynq/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_ZYNQ
config ARCH_TEXT_BASE
diff --git a/arch/arm/mach-zynq/Makefile b/arch/arm/mach-zynq/Makefile
index 06c2ce996c..d5e94859a6 100644
--- a/arch/arm/mach-zynq/Makefile
+++ b/arch/arm/mach-zynq/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += zynq.o bootm-zynqimg.o
lwl-y += cpu_init.o
diff --git a/arch/arm/tools/Makefile b/arch/arm/tools/Makefile
index bff825e58a..298a7f90e6 100644
--- a/arch/arm/tools/Makefile
+++ b/arch/arm/tools/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
#
# linux/arch/arm/tools/Makefile
#
diff --git a/arch/kvx/Kconfig b/arch/kvx/Kconfig
index 0934440880..960b712ac9 100644
--- a/arch/kvx/Kconfig
+++ b/arch/kvx/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
config KVX
bool
select 64BIT
diff --git a/arch/kvx/Makefile b/arch/kvx/Makefile
index f29eeef921..9431c9fe18 100644
--- a/arch/kvx/Makefile
+++ b/arch/kvx/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
KBUILD_DEFCONFIG := generic_defconfig
KBUILD_CPPFLAGS += -fno-strict-aliasing
diff --git a/arch/kvx/dts/Makefile b/arch/kvx/dts/Makefile
index d4221d2c1b..3f03192750 100644
--- a/arch/kvx/dts/Makefile
+++ b/arch/kvx/dts/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
# just to build a built-in.o. Otherwise compilation fails when no devicetree is
# created.
obj- += dummy.o
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 7774abe948..be5a4ff30d 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1,6 +1,5 @@
-#
-#
-#
+# SPDX-License-Identifier: GPL-2.0-only
+
config MIPS
bool
select GENERIC_LIB_ASHLDI3
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 7866951944..345e703d33 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
KBUILD_DEFCONFIG := qemu-malta_defconfig
#
diff --git a/arch/mips/boards/8devices-lima/Makefile b/arch/mips/boards/8devices-lima/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/mips/boards/8devices-lima/Makefile
+++ b/arch/mips/boards/8devices-lima/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/mips/boards/Makefile b/arch/mips/boards/Makefile
index 5f9b61e754..9402035856 100644
--- a/arch/mips/boards/Makefile
+++ b/arch/mips/boards/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_BOARD_8DEVICES_LIMA) += 8devices-lima/
obj-$(CONFIG_BOARD_BLACK_SWIFT) += black-swift/
obj-$(CONFIG_BOARD_CI20) += img-ci20/
diff --git a/arch/mips/boards/black-swift/Makefile b/arch/mips/boards/black-swift/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/mips/boards/black-swift/Makefile
+++ b/arch/mips/boards/black-swift/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/mips/boards/dlink-dir-320/Makefile b/arch/mips/boards/dlink-dir-320/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/mips/boards/dlink-dir-320/Makefile
+++ b/arch/mips/boards/dlink-dir-320/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/mips/boards/dptechnics-dpt-module/Makefile b/arch/mips/boards/dptechnics-dpt-module/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/mips/boards/dptechnics-dpt-module/Makefile
+++ b/arch/mips/boards/dptechnics-dpt-module/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/mips/boards/img-ci20/Makefile b/arch/mips/boards/img-ci20/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/mips/boards/img-ci20/Makefile
+++ b/arch/mips/boards/img-ci20/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/mips/boards/loongson-ls1b/Makefile b/arch/mips/boards/loongson-ls1b/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/mips/boards/loongson-ls1b/Makefile
+++ b/arch/mips/boards/loongson-ls1b/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/mips/boards/netgear-wg102/Makefile b/arch/mips/boards/netgear-wg102/Makefile
index 344a6711b2..fe0616fdb8 100644
--- a/arch/mips/boards/netgear-wg102/Makefile
+++ b/arch/mips/boards/netgear-wg102/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
obj-y += ram.o
diff --git a/arch/mips/boards/okud-max9331/Makefile b/arch/mips/boards/okud-max9331/Makefile
index c58bf72354..c28b1a9059 100644
--- a/arch/mips/boards/okud-max9331/Makefile
+++ b/arch/mips/boards/okud-max9331/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
lwl-y += lowlevel_boot0.o
diff --git a/arch/mips/boards/openembed-som9331/Makefile b/arch/mips/boards/openembed-som9331/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/mips/boards/openembed-som9331/Makefile
+++ b/arch/mips/boards/openembed-som9331/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/mips/boards/qemu-malta/Makefile b/arch/mips/boards/qemu-malta/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/mips/boards/qemu-malta/Makefile
+++ b/arch/mips/boards/qemu-malta/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/mips/boards/ritmix-rzx50/Makefile b/arch/mips/boards/ritmix-rzx50/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/mips/boards/ritmix-rzx50/Makefile
+++ b/arch/mips/boards/ritmix-rzx50/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/mips/boards/tplink-mr3020/Makefile b/arch/mips/boards/tplink-mr3020/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/mips/boards/tplink-mr3020/Makefile
+++ b/arch/mips/boards/tplink-mr3020/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/mips/boards/tplink-wdr4300/Makefile b/arch/mips/boards/tplink-wdr4300/Makefile
index b08c4a93ca..458f520900 100644
--- a/arch/mips/boards/tplink-wdr4300/Makefile
+++ b/arch/mips/boards/tplink-wdr4300/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel.o
diff --git a/arch/mips/boot/Makefile b/arch/mips/boot/Makefile
index 3d46e836f7..d1e27b5e6b 100644
--- a/arch/mips/boot/Makefile
+++ b/arch/mips/boot/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += start.o
obj-y += main_entry.o
diff --git a/arch/mips/dts/Makefile b/arch/mips/dts/Makefile
index e5900c971b..e4cc3b44a5 100644
--- a/arch/mips/dts/Makefile
+++ b/arch/mips/dts/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_BUILTIN_DTB_NAME))
ifneq ($(BUILTIN_DTB),)
obj-$(CONFIG_BUILTIN_DTB) += $(BUILTIN_DTB).dtb.o
diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile
index 88a2bdbd28..1ef340202a 100644
--- a/arch/mips/lib/Makefile
+++ b/arch/mips/lib/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
extra-$(CONFIG_GENERIC_LINKER_SCRIPT) += barebox.lds
obj-$(CONFIG_CSRC_R4K_LIB) += csrc-r4k.o
obj-y += cpu-probe.o
diff --git a/arch/mips/mach-ar231x/Kconfig b/arch/mips/mach-ar231x/Kconfig
index f920f300bd..f3e17000a7 100644
--- a/arch/mips/mach-ar231x/Kconfig
+++ b/arch/mips/mach-ar231x/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if MACH_MIPS_AR231X
choice
diff --git a/arch/mips/mach-ar231x/Makefile b/arch/mips/mach-ar231x/Makefile
index eba8e818b5..65e32c7bc3 100644
--- a/arch/mips/mach-ar231x/Makefile
+++ b/arch/mips/mach-ar231x/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += ar231x.o
obj-y += board.o
obj-y += ar231x_reset.o
diff --git a/arch/mips/mach-ath79/Kconfig b/arch/mips/mach-ath79/Kconfig
index 2dfe0e587a..7564050489 100644
--- a/arch/mips/mach-ath79/Kconfig
+++ b/arch/mips/mach-ath79/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if MACH_MIPS_ATH79
config SOC_QCA_AR9331
diff --git a/arch/mips/mach-ath79/Makefile b/arch/mips/mach-ath79/Makefile
index 396df66bf1..9f3a34b3eb 100644
--- a/arch/mips/mach-ath79/Makefile
+++ b/arch/mips/mach-ath79/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
lwl-y += lowlevel_ar9331_spi_trap.o
lwl-y += lowlevel_ar9331_sram.o
diff --git a/arch/mips/mach-bcm47xx/Kconfig b/arch/mips/mach-bcm47xx/Kconfig
index c4791901af..606d9e6000 100644
--- a/arch/mips/mach-bcm47xx/Kconfig
+++ b/arch/mips/mach-bcm47xx/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if MACH_MIPS_BCM47XX
choice
diff --git a/arch/mips/mach-bcm47xx/Makefile b/arch/mips/mach-bcm47xx/Makefile
index f3cc6684b8..d19b1f2950 100644
--- a/arch/mips/mach-bcm47xx/Makefile
+++ b/arch/mips/mach-bcm47xx/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += reset.o
diff --git a/arch/mips/mach-loongson/Kconfig b/arch/mips/mach-loongson/Kconfig
index ab7ccd0cb5..38d05e415b 100644
--- a/arch/mips/mach-loongson/Kconfig
+++ b/arch/mips/mach-loongson/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if MACH_MIPS_LOONGSON
choice
diff --git a/arch/mips/mach-loongson/Makefile b/arch/mips/mach-loongson/Makefile
index 52b36f3cf9..451c572e76 100644
--- a/arch/mips/mach-loongson/Makefile
+++ b/arch/mips/mach-loongson/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += loongson1_reset.o
diff --git a/arch/mips/mach-malta/Kconfig b/arch/mips/mach-malta/Kconfig
index 4671075140..cf061f6670 100644
--- a/arch/mips/mach-malta/Kconfig
+++ b/arch/mips/mach-malta/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if MACH_MIPS_MALTA
config BOARD_QEMU_MALTA
diff --git a/arch/mips/mach-malta/Makefile b/arch/mips/mach-malta/Makefile
index 7d56f215b0..d937083bbb 100644
--- a/arch/mips/mach-malta/Makefile
+++ b/arch/mips/mach-malta/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_PCI) += pci.o
diff --git a/arch/mips/mach-xburst/Kconfig b/arch/mips/mach-xburst/Kconfig
index ae8093d1a3..954e295fd1 100644
--- a/arch/mips/mach-xburst/Kconfig
+++ b/arch/mips/mach-xburst/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if MACH_MIPS_XBURST
config CPU_JZ4755
diff --git a/arch/mips/mach-xburst/Makefile b/arch/mips/mach-xburst/Makefile
index e5634ba9cc..0d2bb542c7 100644
--- a/arch/mips/mach-xburst/Makefile
+++ b/arch/mips/mach-xburst/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_CPU_JZ4755) += csrc-jz4750.o reset-jz4750.o
diff --git a/arch/mips/pbl/Makefile b/arch/mips/pbl/Makefile
index f85c7a6d6d..38dfbd4724 100644
--- a/arch/mips/pbl/Makefile
+++ b/arch/mips/pbl/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
suffix_$(CONFIG_IMAGE_COMPRESSION_GZIP) = gzip
suffix_$(CONFIG_IMAGE_COMPRESSION_LZO) = lzo
diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig
index bd8851e4b3..34b24bec08 100644
--- a/arch/openrisc/Kconfig
+++ b/arch/openrisc/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
config OPENRISC
bool
select OFTREE
diff --git a/arch/openrisc/Makefile b/arch/openrisc/Makefile
index 1776f56df9..609b998de9 100644
--- a/arch/openrisc/Makefile
+++ b/arch/openrisc/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
KBUILD_DEFCONFIG := generic_defconfig
KBUILD_CPPFLAGS += -D__OR1K__ -ffixed-r10 -mhard-mul -mhard-div
diff --git a/arch/openrisc/boards/generic/Makefile b/arch/openrisc/boards/generic/Makefile
index d8a3d7f2cc..3cdac31b39 100644
--- a/arch/openrisc/boards/generic/Makefile
+++ b/arch/openrisc/boards/generic/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += generic.o
diff --git a/arch/openrisc/cpu/Makefile b/arch/openrisc/cpu/Makefile
index 1cd7506003..9828dff95d 100644
--- a/arch/openrisc/cpu/Makefile
+++ b/arch/openrisc/cpu/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += start.o
obj-y += cpu.o
obj-y += exceptions.o
diff --git a/arch/openrisc/dts/Makefile b/arch/openrisc/dts/Makefile
index 6d6c9a3ce0..f43a28d6b9 100644
--- a/arch/openrisc/dts/Makefile
+++ b/arch/openrisc/dts/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_BUILTIN_DTB_NAME))
obj-$(CONFIG_BUILTIN_DTB) += $(BUILTIN_DTB).dtb.o
diff --git a/arch/openrisc/lib/Makefile b/arch/openrisc/lib/Makefile
index 808b09f3aa..a55a9049e6 100644
--- a/arch/openrisc/lib/Makefile
+++ b/arch/openrisc/lib/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += clock.o
obj-y += board.o
obj-y += cpuinfo.o
diff --git a/arch/powerpc/Kbuild b/arch/powerpc/Kbuild
index 65e2493386..e9f7b32848 100644
--- a/arch/powerpc/Kbuild
+++ b/arch/powerpc/Kbuild
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_ARCH_MPC85XX) += cpu-85xx/
obj-y += lib/
obj-$(CONFIG_FSL_DDR2) += ddr-8xxx/
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 376c1bf42b..7525ecef49 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
config PPC
bool
select HAVE_CONFIGURABLE_TEXT_BASE
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index aa76260496..ebd8fe60d3 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
KBUILD_DEFCONFIG := p2020rdb_defconfig
KBUILD_CPPFLAGS += -ffixed-r14 -m32 \
diff --git a/arch/powerpc/boards/freescale-p1010rdb/Makefile b/arch/powerpc/boards/freescale-p1010rdb/Makefile
index a7b64eef4d..e54ee8ee43 100644
--- a/arch/powerpc/boards/freescale-p1010rdb/Makefile
+++ b/arch/powerpc/boards/freescale-p1010rdb/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += p1010rdb.o
obj-y += law.o
obj-y += tlb.o
diff --git a/arch/powerpc/boards/freescale-p1022ds/Makefile b/arch/powerpc/boards/freescale-p1022ds/Makefile
index 48867fa851..1d969d48eb 100644
--- a/arch/powerpc/boards/freescale-p1022ds/Makefile
+++ b/arch/powerpc/boards/freescale-p1022ds/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += p1022ds.o
obj-y += law.o
obj-y += tlb.o
diff --git a/arch/powerpc/boards/freescale-p2020rdb/Makefile b/arch/powerpc/boards/freescale-p2020rdb/Makefile
index b2497f695c..ff0cdd657c 100644
--- a/arch/powerpc/boards/freescale-p2020rdb/Makefile
+++ b/arch/powerpc/boards/freescale-p2020rdb/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += p2020rdb.o
obj-y += law.o
obj-y += tlb.o
diff --git a/arch/powerpc/boards/owc-da923rc/Makefile b/arch/powerpc/boards/owc-da923rc/Makefile
index 4cf6c5cf3c..78b6885c08 100644
--- a/arch/powerpc/boards/owc-da923rc/Makefile
+++ b/arch/powerpc/boards/owc-da923rc/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += da923rc.o
obj-y += tlb.o
obj-y += law.o
diff --git a/arch/powerpc/boards/pcm030/Makefile b/arch/powerpc/boards/pcm030/Makefile
index 4e5dc4f57b..95dd061043 100644
--- a/arch/powerpc/boards/pcm030/Makefile
+++ b/arch/powerpc/boards/pcm030/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += pcm030.o eeprom.o
extra-y += barebox.lds
diff --git a/arch/powerpc/cpu-85xx/Makefile b/arch/powerpc/cpu-85xx/Makefile
index c649c4ec25..c7c5c8a006 100644
--- a/arch/powerpc/cpu-85xx/Makefile
+++ b/arch/powerpc/cpu-85xx/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += traps.o
obj-y += tlb.o
obj-$(CONFIG_MMU) += mmu.o
diff --git a/arch/powerpc/ddr-8xxx/Makefile b/arch/powerpc/ddr-8xxx/Makefile
index 43ae3a41df..651fe050f6 100644
--- a/arch/powerpc/ddr-8xxx/Makefile
+++ b/arch/powerpc/ddr-8xxx/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += main.o util.o ctrl_regs.o options.o lc_common_dimm_params.o
obj-y += ddr_setctrl.o
obj-$(CONFIG_FSL_DDR2) += ddr2_dimm_params.o
diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index 405351c199..65729953e6 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += bat_rw.o
obj-y += board.o
obj-y += extable.o
diff --git a/arch/powerpc/mach-mpc5xxx/Kconfig b/arch/powerpc/mach-mpc5xxx/Kconfig
index 4da947dc6c..e78c2fa350 100644
--- a/arch/powerpc/mach-mpc5xxx/Kconfig
+++ b/arch/powerpc/mach-mpc5xxx/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_MPC5XXX
config ARCH_TEXT_BASE
diff --git a/arch/powerpc/mach-mpc5xxx/Makefile b/arch/powerpc/mach-mpc5xxx/Makefile
index 101d061815..9fc45c08bb 100644
--- a/arch/powerpc/mach-mpc5xxx/Makefile
+++ b/arch/powerpc/mach-mpc5xxx/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += cpu.o
obj-y += cpu_init.o
obj-y += loadtask.o
diff --git a/arch/powerpc/mach-mpc85xx/Kconfig b/arch/powerpc/mach-mpc85xx/Kconfig
index aa518b98fc..550c554286 100644
--- a/arch/powerpc/mach-mpc85xx/Kconfig
+++ b/arch/powerpc/mach-mpc85xx/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
if ARCH_MPC85XX
config MMU
diff --git a/arch/powerpc/mach-mpc85xx/Makefile b/arch/powerpc/mach-mpc85xx/Makefile
index 9886c7da45..3e23c1b812 100644
--- a/arch/powerpc/mach-mpc85xx/Makefile
+++ b/arch/powerpc/mach-mpc85xx/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += cpuid.o
obj-y += cpu.o
obj-y += cpu_init.o
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 8c66697185..e093ed4226 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
config RISCV
def_bool y
select GENERIC_FIND_NEXT_BIT
diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
index 9f2a4f825e..828b65a0c1 100644
--- a/arch/riscv/Kconfig.socs
+++ b/arch/riscv/Kconfig.socs
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
menu "SoC selection"
config SOC_ERIZO
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index 23ea6178a2..6fbf1d4ddd 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
KBUILD_DEFCONFIG := virt64_defconfig
KBUILD_CPPFLAGS += -fno-strict-aliasing
diff --git a/arch/riscv/boards/riscvemu/Makefile b/arch/riscv/boards/riscvemu/Makefile
index dcfc2937d3..ad283446ea 100644
--- a/arch/riscv/boards/riscvemu/Makefile
+++ b/arch/riscv/boards/riscvemu/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
diff --git a/arch/sandbox/Kconfig b/arch/sandbox/Kconfig
index 01078bca97..a8bca8757f 100644
--- a/arch/sandbox/Kconfig
+++ b/arch/sandbox/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
source "scripts/Kconfig.include"
config SANDBOX
diff --git a/arch/sandbox/Makefile b/arch/sandbox/Makefile
index 5fc7e227be..2cf51fa349 100644
--- a/arch/sandbox/Makefile
+++ b/arch/sandbox/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
KBUILD_DEFCONFIG := sandbox_defconfig
KBUILD_CPPFLAGS += -D__SANDBOX__ -fno-strict-aliasing -fvisibility=hidden
diff --git a/arch/sandbox/board/Makefile b/arch/sandbox/board/Makefile
index ed01cb9c3e..11688c5aba 100644
--- a/arch/sandbox/board/Makefile
+++ b/arch/sandbox/board/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += board.o
obj-y += clock.o
obj-y += hostfile.o
diff --git a/arch/sandbox/dts/Makefile b/arch/sandbox/dts/Makefile
index c8d83141ce..9af91cb72c 100644
--- a/arch/sandbox/dts/Makefile
+++ b/arch/sandbox/dts/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_OFTREE) += \
sandbox.dtb.o
diff --git a/arch/sandbox/lib/Makefile b/arch/sandbox/lib/Makefile
index b32ca6aaf8..9535305d5b 100644
--- a/arch/sandbox/lib/Makefile
+++ b/arch/sandbox/lib/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_ARCH_HAS_STACK_DUMP) += unwind.o
diff --git a/arch/sandbox/os/Makefile b/arch/sandbox/os/Makefile
index 5d0c938ce6..ebcbe5833b 100644
--- a/arch/sandbox/os/Makefile
+++ b/arch/sandbox/os/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
machine-y := sandbox
machdirs := $(patsubst %,arch/sandbox/mach-%/,$(machine-y))
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index f40b14dddc..5e2e26cd6e 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1,6 +1,5 @@
-#
-#
-#
+# SPDX-License-Identifier: GPL-2.0-only
+
config X86
bool
select HAS_KALLSYMS
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index a0ce8c17f1..dba5b196b3 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
KBUILD_DEFCONFIG := efi_defconfig
KBUILD_CPPFLAGS += -D__X86__
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index 360aebf569..d713065fd3 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_X86_32) += setjmp_32.o
obj-$(CONFIG_X86_64) += setjmp_64.o
diff --git a/arch/x86/mach-efi/Makefile b/arch/x86/mach-efi/Makefile
index f633e7c7ed..bddbac8f66 100644
--- a/arch/x86/mach-efi/Makefile
+++ b/arch/x86/mach-efi/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_X86_64) += reloc_x86_64.o crt0-efi-x86_64.o
obj-$(CONFIG_X86_32) += reloc_ia32.o crt0-efi-ia32.o
obj-y += clocksource.o
diff --git a/common/Kconfig b/common/Kconfig
index 814b820e2a..d0055e2d21 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
source "common/boards/Kconfig"
config GREGORIAN_CALENDER
diff --git a/common/Makefile b/common/Makefile
index f4496c4d9b..35f2120496 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += boards/
obj-y += memory.o
obj-y += memory_display.o
diff --git a/common/partitions/Kconfig b/common/partitions/Kconfig
index be9405a649..7f12383082 100644
--- a/common/partitions/Kconfig
+++ b/common/partitions/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
config PARTITION_DISK
depends on PARTITION
depends on BLOCK
diff --git a/common/partitions/Makefile b/common/partitions/Makefile
index 2b0c5b4b9c..d304b6f8d5 100644
--- a/common/partitions/Makefile
+++ b/common/partitions/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_PARTITION_DISK_DOS) += dos.o
obj-$(CONFIG_PARTITION_DISK_EFI) += efi.o
diff --git a/common/ratp/Kconfig b/common/ratp/Kconfig
index 25150addfd..43720e30a0 100644
--- a/common/ratp/Kconfig
+++ b/common/ratp/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
config CONSOLE_RATP
bool
@@ -28,4 +29,4 @@ config RATP_CMD_GPIO
depends on GENERIC_GPIO
prompt "RATP GPIO support"
help
- This option adds support for GPIO get/set/direction commands via RATP. \ No newline at end of file
+ This option adds support for GPIO get/set/direction commands via RATP.
diff --git a/common/ratp/Makefile b/common/ratp/Makefile
index 71288bcb8c..e37ccca1fa 100644
--- a/common/ratp/Makefile
+++ b/common/ratp/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += ratp.o
obj-y += ping.o
obj-y += getenv.o
diff --git a/common/state/Makefile b/common/state/Makefile
index fcf9add52c..93215dd069 100644
--- a/common/state/Makefile
+++ b/common/state/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += state.o
obj-y += state_variables.o
obj-y += backend_format_dtb.o
diff --git a/crypto/Kconfig b/crypto/Kconfig
index ff83a40f5b..3b68836b34 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
menu "Crypto support"
config CRC32
diff --git a/crypto/Makefile b/crypto/Makefile
index 5da58d7998..be0f79d4e3 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_CRC32) += crc32.o
obj-pbl-$(CONFIG_CRC_ITU_T) += crc-itu-t.o
obj-$(CONFIG_CRC7) += crc7.o
diff --git a/defaultenv/Makefile b/defaultenv/Makefile
index 6879032118..1eaca9f410 100644
--- a/defaultenv/Makefile
+++ b/defaultenv/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW) += defaultenv-2-base
bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW_MENU) += defaultenv-2-menu
bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW_DFU) += defaultenv-2-dfu
diff --git a/firmware/Kconfig b/firmware/Kconfig
index b447538927..b4a6fd9137 100644
--- a/firmware/Kconfig
+++ b/firmware/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
menu "Firmware files"
config EXTRA_FIRMWARE_DIR
diff --git a/fs/Kconfig b/fs/Kconfig
index e0405de334..aeba00073e 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
menu "Filesystem support"
diff --git a/fs/Makefile b/fs/Makefile
index fa950941de..6160ef4e1a 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_FS_CRAMFS) += cramfs/
obj-$(CONFIG_FS_EXT4) += ext4/
obj-$(CONFIG_FS_RAMFS) += ramfs.o
diff --git a/fs/cramfs/Makefile b/fs/cramfs/Makefile
index 4e84a98fe1..1b54096664 100644
--- a/fs/cramfs/Makefile
+++ b/fs/cramfs/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += cramfs.o
obj-y += uncompress.o
diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig
index f36043d9a7..cb01675507 100644
--- a/fs/ext4/Kconfig
+++ b/fs/ext4/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
config FS_EXT4
bool
prompt "ext4 filesystem support"
diff --git a/fs/ext4/Makefile b/fs/ext4/Makefile
index 5084e3fb25..223f50e470 100644
--- a/fs/ext4/Makefile
+++ b/fs/ext4/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_FS_EXT4) += ext4fs.o ext4_common.o ext_barebox.o
diff --git a/fs/fat/Kconfig b/fs/fat/Kconfig
index bc3b4b69e8..8cd3b604ba 100644
--- a/fs/fat/Kconfig
+++ b/fs/fat/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
menuconfig FS_FAT
bool
select FS_LEGACY
diff --git a/fs/fat/Makefile b/fs/fat/Makefile
index fe47569bda..7a7a5ccdc6 100644
--- a/fs/fat/Makefile
+++ b/fs/fat/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += fat.o
pbl-y += fat-pbl.o
obj-pbl-y += ff.o fat-diskio.o
diff --git a/fs/jffs2/Kconfig b/fs/jffs2/Kconfig
index 3121d369b4..329e7b806a 100644
--- a/fs/jffs2/Kconfig
+++ b/fs/jffs2/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
menuconfig FS_JFFS2
bool
select CRC32
diff --git a/fs/jffs2/Makefile b/fs/jffs2/Makefile
index a4da48d3c3..3c5bfd261c 100644
--- a/fs/jffs2/Makefile
+++ b/fs/jffs2/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += compr.o dir.o nodelist.o malloc.o
obj-y += read.o readinode.o scan.o
obj-y += build.o fs.o
diff --git a/fs/pstore/Kconfig b/fs/pstore/Kconfig
index 30c2de19c8..ff9091d3f3 100644
--- a/fs/pstore/Kconfig
+++ b/fs/pstore/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
menuconfig FS_PSTORE
select FS_LEGACY
bool
diff --git a/fs/pstore/Makefile b/fs/pstore/Makefile
index c4043e1a8f..18475497a3 100644
--- a/fs/pstore/Makefile
+++ b/fs/pstore/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
#
# Makefile for the linux pstorefs routines.
#
diff --git a/fs/squashfs/Kconfig b/fs/squashfs/Kconfig
index 19b8297af6..af187a2a8a 100644
--- a/fs/squashfs/Kconfig
+++ b/fs/squashfs/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
menuconfig FS_SQUASHFS
bool
prompt "squashfs support"
diff --git a/fs/squashfs/Makefile b/fs/squashfs/Makefile
index 81fc7e570d..59a78a24b0 100644
--- a/fs/squashfs/Makefile
+++ b/fs/squashfs/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += squashfs.o
obj-y += block.o
obj-y += cache.o
diff --git a/fs/ubifs/Kconfig b/fs/ubifs/Kconfig
index 889a2be97a..ae58c2b7f2 100644
--- a/fs/ubifs/Kconfig
+++ b/fs/ubifs/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
menuconfig FS_UBIFS
bool
depends on MTD_UBI
diff --git a/fs/ubifs/Makefile b/fs/ubifs/Makefile
index d8c4b2299e..7a1ce4e8fc 100644
--- a/fs/ubifs/Makefile
+++ b/fs/ubifs/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += ubifs.o io.o super.o sb.o master.o
obj-y += scan.o dir.o misc.o
obj-y += tnc.o tnc_misc.o debug.o
diff --git a/images/Makefile b/images/Makefile
index cc330d9575..5e2b9ecaaa 100644
--- a/images/Makefile
+++ b/images/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# barebox image generation Makefile
#
diff --git a/lib/Kconfig b/lib/Kconfig
index 915ae7a287..a0f28b935c 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
menu "Library routines"
config PARAMETER
bool
diff --git a/lib/Makefile b/lib/Makefile
index 9b37d847e0..3f6653d74e 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += bcd.o
obj-$(CONFIG_BOOTSTRAP) += bootstrap/
obj-pbl-y += ctype.o
diff --git a/lib/bootstrap/Kconfig b/lib/bootstrap/Kconfig
index 645f0b4b78..5cd6035bee 100644
--- a/lib/bootstrap/Kconfig
+++ b/lib/bootstrap/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
menuconfig BOOTSTRAP
bool "Library bootstrap routines"
depends on SHELL_NONE
diff --git a/lib/bootstrap/Makefile b/lib/bootstrap/Makefile
index cbaa49f9d9..295d63e074 100644
--- a/lib/bootstrap/Makefile
+++ b/lib/bootstrap/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += common.o
obj-$(CONFIG_BOOTSTRAP_DEVFS) += devfs.o
obj-$(CONFIG_BOOTSTRAP_DISK) += disk.o
diff --git a/lib/fonts/Kconfig b/lib/fonts/Kconfig
index e1a736d137..3201364cae 100644
--- a/lib/fonts/Kconfig
+++ b/lib/fonts/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
#
# Font configuration
#
diff --git a/lib/fonts/Makefile b/lib/fonts/Makefile
index 394e2c5e4c..1eae8ee67b 100644
--- a/lib/fonts/Makefile
+++ b/lib/fonts/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
# Font handling
font-objs := fonts.o
diff --git a/lib/gui/Kconfig b/lib/gui/Kconfig
index 2625d9fb2f..d102604335 100644
--- a/lib/gui/Kconfig
+++ b/lib/gui/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
menu "Library gui routines"
config IMAGE_RENDERER
diff --git a/lib/gui/Makefile b/lib/gui/Makefile
index 31e66225d7..59caa8fbeb 100644
--- a/lib/gui/Makefile
+++ b/lib/gui/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_BMP) += bmp.o
obj-$(CONFIG_IMAGE_RENDERER) += image_renderer.o graphic_utils.o
obj-$(CONFIG_PNG) += png.o
diff --git a/lib/kasan/Kconfig b/lib/kasan/Kconfig
index 7a18cf95be..46fc4f263b 100644
--- a/lib/kasan/Kconfig
+++ b/lib/kasan/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
source "scripts/Kconfig.include"
config HAVE_ARCH_KASAN
diff --git a/lib/kasan/Makefile b/lib/kasan/Makefile
index 31e9d890d5..e3f4bb61f9 100644
--- a/lib/kasan/Makefile
+++ b/lib/kasan/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
obj-y += generic_report.o generic.o report.o common.o test_kasan.o
KASAN_SANITIZE_generic_report.o := n
diff --git a/lib/logo/Kconfig b/lib/logo/Kconfig
index 7d55f7fa27..56ec76afb6 100644
--- a/lib/logo/Kconfig
+++ b/lib/logo/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
menuconfig BAREBOX_LOGO
bool "include barebox logos in build"
help
diff --git a/lib/logo/Makefile b/lib/logo/Makefile
index f08beef76b..3e36cf911f 100644
--- a/lib/logo/Makefile
+++ b/lib/logo/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
OPTS_barebox-logo-w64.bblogo = -resize 64
bblogo-$(CONFIG_BAREBOX_LOGO_64) += barebox-logo-w64
diff --git a/lib/lz4/Makefile b/lib/lz4/Makefile
index 7f548c6d1c..7156ec9145 100644
--- a/lib/lz4/Makefile
+++ b/lib/lz4/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_LZ4_DECOMPRESS) += lz4_decompress.o
diff --git a/lib/lzo/Kconfig b/lib/lzo/Kconfig
index 17b0083236..2ead1321e8 100644
--- a/lib/lzo/Kconfig
+++ b/lib/lzo/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
config LZO_DECOMPRESS
bool "include lzo uncompression support"
select UNCOMPRESS
diff --git a/lib/lzo/Makefile b/lib/lzo/Makefile
index 0e576a1c10..4ab28ff6f5 100644
--- a/lib/lzo/Makefile
+++ b/lib/lzo/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_LZO_DECOMPRESS) += lzo1x_decompress_safe.o
diff --git a/lib/math/Makefile b/lib/math/Makefile
index 756d7dd90d..2830dedb2f 100644
--- a/lib/math/Makefile
+++ b/lib/math/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += div64.o
pbl-y += div64.o
obj-y += rational.o
diff --git a/lib/reed_solomon/Makefile b/lib/reed_solomon/Makefile
index c3d7136827..f7475981b9 100644
--- a/lib/reed_solomon/Makefile
+++ b/lib/reed_solomon/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
#
# This is a modified version of reed solomon lib,
#
diff --git a/lib/xz/Makefile b/lib/xz/Makefile
index 86ba550733..23581d2d8c 100644
--- a/lib/xz/Makefile
+++ b/lib/xz/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_XZ_DECOMPRESS) += xz_crc32.o xz_dec_bcj.o
obj-$(CONFIG_XZ_DECOMPRESS) += xz_dec_lzma2.o xz_dec_stream.o
diff --git a/lib/zlib_inflate/Makefile b/lib/zlib_inflate/Makefile
index 8e95fcd3c9..bfe12b0d6e 100644
--- a/lib/zlib_inflate/Makefile
+++ b/lib/zlib_inflate/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
#
# This is a modified version of zlib, which does all memory
# allocation ahead of time.
diff --git a/lib/zstd/Makefile b/lib/zstd/Makefile
index 0c4f56c50c..4e8689a485 100644
--- a/lib/zstd/Makefile
+++ b/lib/zstd/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd_decompress.o
ccflags-y += -O3
diff --git a/net/Kconfig b/net/Kconfig
index 3512055c45..59f14c23cb 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
menuconfig NET
bool "Networking Support"
select POLLER
diff --git a/net/Makefile b/net/Makefile
index 962b2dec58..c93d0772c3 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += lib.o
obj-$(CONFIG_NET) += eth.o
obj-$(CONFIG_NET) += net.o
diff --git a/pbl/Kconfig b/pbl/Kconfig
index 5fc9971084..ce0acbb646 100644
--- a/pbl/Kconfig
+++ b/pbl/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
config HAVE_PBL_IMAGE
bool
diff --git a/pbl/Makefile b/pbl/Makefile
index 9faa56ac91..f6e98e78be 100644
--- a/pbl/Makefile
+++ b/pbl/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
#
# only unsed by the pbl
#
diff --git a/scripts/Kconfig b/scripts/Kconfig
index 96b0d26f88..1ec907b5f1 100644
--- a/scripts/Kconfig
+++ b/scripts/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
menu "Host Tools"
config COMPILE_HOST_TOOLS
diff --git a/scripts/Makefile b/scripts/Makefile
index dc5fa75f90..2a17058333 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
###
# scripts contains sources for various helper programs used throughout
# barebox for the build process.
diff --git a/scripts/imx/Kconfig b/scripts/imx/Kconfig
index ef83fa14dd..759f5521a5 100644
--- a/scripts/imx/Kconfig
+++ b/scripts/imx/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
config ARCH_IMX_USBLOADER
depends on ARCH_MXS || ARCH_IMX || COMPILE_HOST_TOOLS
bool "imx-usb-loader"
diff --git a/scripts/imx/Makefile b/scripts/imx/Makefile
index a7f487a045..d62277bb54 100644
--- a/scripts/imx/Makefile
+++ b/scripts/imx/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
hostprogs-always-$(CONFIG_ARCH_IMX_IMXIMAGE) += imx-image
hostprogs-always-$(CONFIG_ARCH_IMX_USBLOADER) += imx-usb-loader
diff --git a/scripts/mod/Makefile b/scripts/mod/Makefile
index 9926ed08dc..b381877a83 100644
--- a/scripts/mod/Makefile
+++ b/scripts/mod/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
hostprogs-always-y += modpost mk_elfconfig
always-y += empty.o
diff --git a/scripts/tegra/Makefile b/scripts/tegra/Makefile
index dec0b529d6..2c682786b1 100644
--- a/scripts/tegra/Makefile
+++ b/scripts/tegra/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
hostprogs-always-$(CONFIG_ARCH_TEGRA) += cbootimage
HOSTLDLIBS_cbootimage = '-lm'
diff --git a/test/Kconfig b/test/Kconfig
index eece702e68..958b483ea9 100644
--- a/test/Kconfig
+++ b/test/Kconfig
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
menuconfig TEST
bool "Testing"
diff --git a/test/Makefile b/test/Makefile
index 1b9eb2171a..ac2aa28435 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -1 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
obj-y += self/