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lib: fdt: Allow LZO and GZIP DT compression in U-Boot

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Add required Kconfig symbols, Makefile bits and macro fixes in a
few places to support LZO and DT compression in U-Boot. This can
save a lot of space with multi-DTB fitImages.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
This commit is contained in:
Marek Vasut
2019-03-08 16:06:55 +01:00
committed by Marek Vasut
parent 1fd303543a
commit 95f4bbd581
5 changed files with 86 additions and 5 deletions
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16
Makefile
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@@ -1020,6 +1020,20 @@ quiet_cmd_copy = COPY $@
ifeq ($(CONFIG_MULTI_DTB_FIT),y)
ifeq ($(CONFIG_MULTI_DTB_FIT_LZO),y)
FINAL_DTB_CONTAINER = fit-dtb.blob.lzo
else ifeq ($(CONFIG_MULTI_DTB_FIT_GZIP),y)
FINAL_DTB_CONTAINER = fit-dtb.blob.gz
else
FINAL_DTB_CONTAINER = fit-dtb.blob
endif
fit-dtb.blob.gz: fit-dtb.blob
@gzip -kf9 $< > $@
fit-dtb.blob.lzo: fit-dtb.blob
@lzop -f9 $< > $@
fit-dtb.blob: dts/dt.dtb FORCE
$(call if_changed,mkimage)
@@ -1027,7 +1041,7 @@ MKIMAGEFLAGS_fit-dtb.blob = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
-a 0 -e 0 -E \
$(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) -d /dev/null
u-boot-fit-dtb.bin: u-boot-nodtb.bin fit-dtb.blob
u-boot-fit-dtb.bin: u-boot-nodtb.bin $(FINAL_DTB_CONTAINER)
$(call if_changed,cat)
u-boot.bin: u-boot-fit-dtb.bin FORCE