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 ---
Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None
Makefile | 3 ++- dts/Kconfig | 8 ++++++++ 2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/Makefile b/Makefile index 6fda3268e7..46c5bd4753 100644 --- a/Makefile +++ b/Makefile @@ -1262,7 +1262,8 @@ 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) \ diff --git a/dts/Kconfig b/dts/Kconfig index c9ab66cccc..c150a9b2af 100644 --- a/dts/Kconfig +++ b/dts/Kconfig @@ -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 overlaysto use for DT + control. This option can then be used a FIT generator to include + the overlays in the FIT image + choice prompt "SPL OF LIST compression" depends on MULTI_DTB_FIT