--- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -166,7 +166,8 @@ all: zImage # With make 3.82 we cannot mix normal and wildcard targets BOOT_TARGETS1 := zImage zImage.initrd uImage -BOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.% +BOOT_TARGETS2 := uImage.fit.% zImage% dtbImage% treeImage.% cuImage.% \ + simpleImage.% PHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2) @@ -199,6 +200,7 @@ define archhelp @echo '* zImage - Build default images selected by kernel config' @echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)' @echo ' uImage - U-Boot native image format' + @echo ' uImage.fit.
- U-Boot Flattened Image Tree image format' @echo ' cuImage.
- Backwards compatible U-Boot image for older' @echo ' versions which do not support device trees' @echo ' dtbImage.
- zImage with an embedded device tree blob' --- a/arch/powerpc/boot/.gitignore +++ b/arch/powerpc/boot/.gitignore @@ -19,6 +19,7 @@ kernel-vmlinux.strip.c kernel-vmlinux.strip.gz mktree uImage +uImage.fit.* cuImage.* dtbImage.* treeImage.* --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -314,6 +314,9 @@ $(obj)/zImage.iseries: vmlinux $(obj)/uImage: vmlinux $(wrapperbits) $(call if_changed,wrap,uboot) +$(obj)/uImage.fit.%: vmlinux $(obj)/%.dtb $(wrapperbits) + $(call if_changed,wrap,uboot.fit,,$(obj)/$*.dtb) + $(obj)/cuImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) $(call if_changed,wrap,cuboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz) @@ -353,7 +356,7 @@ install: $(CONFIGURE) $(addprefix $(obj) # anything not in $(targets) clean-files += $(image-) $(initrd-) cuImage.* dtbImage.* treeImage.* \ - zImage zImage.initrd zImage.chrp zImage.coff zImage.holly \ + uImage.* zImage zImage.initrd zImage.chrp zImage.coff zImage.holly \ zImage.iseries zImage.miboot zImage.pmac zImage.pseries \ zImage.maple simpleImage.* otheros.bld *.dtb --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -46,6 +46,9 @@ CROSS= # mkimage wrapper script MKIMAGE=$srctree/scripts/mkuboot.sh +# script to generate an .its file for uImage.fit.* images +MKITS=$srctree/scripts/mkits.sh + # directory for object and other files used by this script object=arch/powerpc/boot objbin=$object @@ -161,7 +164,7 @@ coff) lds=$object/zImage.coff.lds link_address='0x500000' ;; -miboot|uboot) +miboot|uboot|uboot.fit) # miboot and U-boot want just the bare bits, not an ELF binary ext=bin objflags="-O binary" @@ -282,6 +285,21 @@ uboot) if [ -z "$cacheit" ]; then rm -f "$vmz" fi + exit 0 + ;; +uboot.fit) + rm -f "$ofile" + ${MKITS} -A ppc -C gzip -a $membase -e $membase -v $version \ + -d "$srctree/$dtb" -k "$srctree/$vmz" -o "$object/uImage.its" + + # mkimage calls dtc for FIT images so use kernel dtc if necessary + export PATH=$PATH:$srctree/scripts/dtc + + ${MKIMAGE} -f "$object/uImage.its" "$ofile" + rm "$object/uImage.its" + if [ -z "$cacheit" ]; then + rm -f "$vmz" + fi exit 0 ;; esac