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dts: Add support for adding DT overlays in u-boot.img

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If u-boot.img is a FIT image, CONFIG_OF_OVERLAY_LIST can be used to add
DT overlays to u-boot.img.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Jean-Jacques Hiblot 2019-10-22 16:39:21 +02:00 committed by Tom Rini
parent 02806e9ac1
commit 557bc97fe8
2 changed files with 10 additions and 1 deletions
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3
Makefile
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@ -1292,7 +1292,8 @@ MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
-a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
-p $(CONFIG_FIT_EXTERNAL_OFFSET) \
-n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \
$(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST)))
$(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) \
$(patsubst %,-b arch/$(ARCH)/dts/%.dtbo,$(subst ",,$(CONFIG_OF_OVERLAY_LIST)))
else
MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \
-a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \

8
dts/Kconfig
View File

@ -130,6 +130,14 @@ config OF_LIST
device tree files (without the directory or .dtb suffix)
separated by <space>.
config OF_OVERLAY_LIST
string "List of device tree overlays to include for DT control"
depends on SPL_LOAD_FIT_APPLY_OVERLAY
help
This option specifies a list of device tree overlays to use for DT
control. This option can then be used by a FIT generator to include
the overlays in the FIT image.
choice
prompt "OF LIST compression"
depends on MULTI_DTB_FIT