| 1 | --- a/arch/powerpc/Makefile |
| 2 | +++ b/arch/powerpc/Makefile |
| 3 | @@ -157,7 +157,8 @@ drivers-$(CONFIG_OPROFILE) += arch/power |
| 4 | # Default to zImage, override when needed |
| 5 | all: zImage |
| 6 | |
| 7 | -BOOT_TARGETS = zImage zImage.initrd uImage zImage% dtbImage% treeImage.% cuImage.% simpleImage.% |
| 8 | +BOOT_TARGETS = zImage zImage.initrd uImage uImage.fit.% zImage% dtbImage% \ |
| 9 | + treeImage.% cuImage.% simpleImage.% |
| 10 | |
| 11 | PHONY += $(BOOT_TARGETS) |
| 12 | |
| 13 | @@ -184,6 +185,7 @@ define archhelp |
| 14 | @echo '* zImage - Build default images selected by kernel config' |
| 15 | @echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)' |
| 16 | @echo ' uImage - U-Boot native image format' |
| 17 | + @echo ' uImage.fit.<dt> - U-Boot Flattened Image Tree image format' |
| 18 | @echo ' cuImage.<dt> - Backwards compatible U-Boot image for older' |
| 19 | @echo ' versions which do not support device trees' |
| 20 | @echo ' dtbImage.<dt> - zImage with an embedded device tree blob' |
| 21 | --- a/arch/powerpc/boot/.gitignore |
| 22 | +++ b/arch/powerpc/boot/.gitignore |
| 23 | @@ -19,6 +19,7 @@ kernel-vmlinux.strip.c |
| 24 | kernel-vmlinux.strip.gz |
| 25 | mktree |
| 26 | uImage |
| 27 | +uImage.fit.* |
| 28 | cuImage.* |
| 29 | dtbImage.* |
| 30 | treeImage.* |
| 31 | --- a/arch/powerpc/boot/Makefile |
| 32 | +++ b/arch/powerpc/boot/Makefile |
| 33 | @@ -308,6 +308,9 @@ $(obj)/zImage.iseries: vmlinux |
| 34 | $(obj)/uImage: vmlinux $(wrapperbits) |
| 35 | $(call if_changed,wrap,uboot) |
| 36 | |
| 37 | +$(obj)/uImage.fit.%: vmlinux $(obj)/%.dtb $(wrapperbits) |
| 38 | + $(call if_changed,wrap,uboot.fit,,$(obj)/$*.dtb) |
| 39 | + |
| 40 | $(obj)/cuImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) |
| 41 | $(call if_changed,wrap,cuboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz) |
| 42 | |
| 43 | @@ -347,7 +350,7 @@ install: $(CONFIGURE) $(addprefix $(obj) |
| 44 | |
| 45 | # anything not in $(targets) |
| 46 | clean-files += $(image-) $(initrd-) cuImage.* dtbImage.* treeImage.* \ |
| 47 | - zImage zImage.initrd zImage.chrp zImage.coff zImage.holly \ |
| 48 | + uImage.* zImage zImage.initrd zImage.chrp zImage.coff zImage.holly \ |
| 49 | zImage.iseries zImage.miboot zImage.pmac zImage.pseries \ |
| 50 | simpleImage.* otheros.bld *.dtb |
| 51 | |
| 52 | --- a/arch/powerpc/boot/wrapper |
| 53 | +++ b/arch/powerpc/boot/wrapper |
| 54 | @@ -46,6 +46,9 @@ CROSS= |
| 55 | # mkimage wrapper script |
| 56 | MKIMAGE=$srctree/scripts/mkuboot.sh |
| 57 | |
| 58 | +# script to generate an .its file for uImage.fit.* images |
| 59 | +MKITS=$srctree/scripts/mkits.sh |
| 60 | + |
| 61 | # directory for object and other files used by this script |
| 62 | object=arch/powerpc/boot |
| 63 | objbin=$object |
| 64 | @@ -157,7 +160,7 @@ coff) |
| 65 | lds=$object/zImage.coff.lds |
| 66 | link_address='0x500000' |
| 67 | ;; |
| 68 | -miboot|uboot) |
| 69 | +miboot|uboot|uboot.fit) |
| 70 | # miboot and U-boot want just the bare bits, not an ELF binary |
| 71 | ext=bin |
| 72 | objflags="-O binary" |
| 73 | @@ -273,6 +276,21 @@ uboot) |
| 74 | fi |
| 75 | exit 0 |
| 76 | ;; |
| 77 | +uboot.fit) |
| 78 | + rm -f "$ofile" |
| 79 | + ${MKITS} -A ppc -C gzip -a $membase -e $membase -v $version \ |
| 80 | + -d "$srctree/$dtb" -k "$srctree/$vmz" -o "$object/uImage.its" |
| 81 | + |
| 82 | + # mkimage calls dtc for FIT images so use kernel dtc if necessary |
| 83 | + export PATH=$PATH:$srctree/scripts/dtc |
| 84 | + |
| 85 | + ${MKIMAGE} -f "$object/uImage.its" "$ofile" |
| 86 | + rm "$object/uImage.its" |
| 87 | + if [ -z "$cacheit" ]; then |
| 88 | + rm -f "$vmz" |
| 89 | + fi |
| 90 | + exit 0 |
| 91 | + ;; |
| 92 | esac |
| 93 | |
| 94 | addsec() { |
| 95 | |
