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u-boot/lib/libfdt/Makefile

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SPDX: Convert all of our single license tags to Linux Kernel style When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-06 17:58:06 -04:00
# SPDX-License-Identifier: GPL-2.0+
libfdt: Customizations for use by u-boot. Changes to David Gibson's original source to fit into u-boot's environment. No functionality changes.
2007-03-31 12:05:39 -04:00
#
# (C) Copyright 2000-2007
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
libfdt: Import libfdt source (1 of 2) This adds the applicable libfdt source files (unmodified) and a README to explain where the source came from.
2007-03-31 11:59:59 -04:00
lib/libfdt/: General aesthetic/style fixes. A number of style fixes across the files in this directory, including: * Correct invalid kernel-doc content. * Tidy up massive comment in fdt_region.c. * Use correct spelling of "U-Boot". * Replace tests of "! <var>" with "!<var>". * Replace "libfdt_env.h" with <libfdt_env.h>. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Acked-by: Simon Glass <sjg@chromium.org>
2016-05-23 05:40:55 -04:00
obj-y += \
fdt.o \
libfdt: migrate fdt_ro.c to a wrapper of scripts/dtc/libfdt/fdt_ro.c There is no essential difference between scripts/dtc/libfdt/fdt_ro.c and lib/libfdt/fdt_ro.c Migrate to a simple wrapper like the other files. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-04-16 18:30:16 +09:00
fdt_ro.o \
libfdt: migrate fdt_wip.c to a wrapper of scripts/dtc/libfdt/fdt_wip.c Now, lib/libfdt/fdt_wip.c is the same as scripts/dtc/libfdt/fdt_wip.c Change the former to a wrapper of the latter. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2017-11-27 16:06:07 +09:00
fdt_wip.o \
lib/libfdt/: General aesthetic/style fixes. A number of style fixes across the files in this directory, including: * Correct invalid kernel-doc content. * Tidy up massive comment in fdt_region.c. * Use correct spelling of "U-Boot". * Replace tests of "! <var>" with "!<var>". * Replace "libfdt_env.h" with <libfdt_env.h>. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Acked-by: Simon Glass <sjg@chromium.org>
2016-05-23 05:40:55 -04:00
fdt_strerror.o \
fdt_sw.o \
libfdt: migrate fdt_rw.c to a wrapper of scripts/dtc/libfdt/fdt_rw.c The only difference between scripts/dtc/libfdt/fdt_rw.c and lib/libfdt/fdt_rw.c is fdt_remove_unused_strings(). It is only used by fdtgrep, so we do not need to compile it for U-Boot image. Move it to tools/libfdt/fdw_rw.c so that lib/libfdt/fdt_rw.c can be a wrapper of scripts/dtc/libfdt/fdt_rw.c. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2018-01-21 19:19:13 +09:00
fdt_rw.o \
lib/libfdt/: General aesthetic/style fixes. A number of style fixes across the files in this directory, including: * Correct invalid kernel-doc content. * Tidy up massive comment in fdt_region.c. * Use correct spelling of "U-Boot". * Replace tests of "! <var>" with "!<var>". * Replace "libfdt_env.h" with <libfdt_env.h>. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Acked-by: Simon Glass <sjg@chromium.org>
2016-05-23 05:40:55 -04:00
fdt_empty_tree.o \
lib: libfdt: wrap scripts/dtc/libfdt/* where possible lib/libfdt/ and scripts/dtc/libfdt have the same copies for the followings 6 files: fdt.c fdt_addresses.c fdt_empty_tree.c fdt_overlay.c fdt_strerr.c fdt_sw.c Make them a wrapper of scripts/dtc/libfdt/*. This is exactly what Linux does to sync libfdt. In order to make is possible, import <linux/libfdt.h> and <linux/libfdt_env.h> from Linux 4.14-rc5. Unfortunately, U-Boot locally modified the following 3 files: fdt_ro.c fdt_wip.c fdt_rw.c The fdt_region.c is U-Boot own file. I did not touch them in order to avoid unpredictable impact. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-10-17 22:30:20 +09:00
fdt_addresses.o
libfdt: Add overlay application function The device tree overlays are a good way to deal with user-modifyable boards or boards with some kind of an expansion mechanism where we can easily plug new board in (like the BBB, the Raspberry Pi or the CHIP). Add a new function to merge overlays with a base device tree. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2016-07-05 10:26:44 +02:00
obj-$(CONFIG_OF_LIBFDT_OVERLAY) += fdt_overlay.o
lib: libfdt: wrap scripts/dtc/libfdt/* where possible lib/libfdt/ and scripts/dtc/libfdt have the same copies for the followings 6 files: fdt.c fdt_addresses.c fdt_empty_tree.c fdt_overlay.c fdt_strerr.c fdt_sw.c Make them a wrapper of scripts/dtc/libfdt/*. This is exactly what Linux does to sync libfdt. In order to make is possible, import <linux/libfdt.h> and <linux/libfdt_env.h> from Linux 4.14-rc5. Unfortunately, U-Boot locally modified the following 3 files: fdt_ro.c fdt_wip.c fdt_rw.c The fdt_region.c is U-Boot own file. I did not touch them in order to avoid unpredictable impact. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-10-17 22:30:20 +09:00
fdt: Add Kconfig options to control code size For better or worse libfdt recent grew a lot of code that checks the validity of the device tree in great detail. When using unsigned or unverified data this makes things safer, but it does add to code size. Add some controls to select the trade-off between safety and code size. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>
2019-10-27 09:47:40 -06:00
ccflags-y := -I$(srctree)/scripts/dtc/libfdt \
-DFDT_ASSUME_MASK=$(CONFIG_$(SPL_TPL_)OF_LIBFDT_ASSUME_MASK)
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