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			95 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			95 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
--- a/arch/powerpc/Makefile
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+++ b/arch/powerpc/Makefile
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@@ -157,7 +157,8 @@ drivers-$(CONFIG_OPROFILE)	+= arch/power
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 # Default to zImage, override when needed
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 all: zImage
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-BOOT_TARGETS = zImage zImage.initrd uImage zImage% dtbImage% treeImage.% cuImage.% simpleImage.%
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+BOOT_TARGETS = zImage zImage.initrd uImage uImage.fit.% zImage% dtbImage% \
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+	       treeImage.% cuImage.% simpleImage.%
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 PHONY += $(BOOT_TARGETS)
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@@ -184,6 +185,7 @@ define archhelp
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   @echo '* zImage          - Build default images selected by kernel config'
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   @echo '  zImage.*        - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)'
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   @echo '  uImage          - U-Boot native image format'
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+  @echo '  uImage.fit.<dt> - U-Boot Flattened Image Tree image format'
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   @echo '  cuImage.<dt>    - Backwards compatible U-Boot image for older'
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   @echo '                    versions which do not support device trees'
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   @echo '  dtbImage.<dt>   - zImage with an embedded device tree blob'
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--- a/arch/powerpc/boot/.gitignore
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+++ b/arch/powerpc/boot/.gitignore
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@@ -19,6 +19,7 @@ kernel-vmlinux.strip.c
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 kernel-vmlinux.strip.gz
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 mktree
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 uImage
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+uImage.fit.*
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 cuImage.*
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 dtbImage.*
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 treeImage.*
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--- a/arch/powerpc/boot/Makefile
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+++ b/arch/powerpc/boot/Makefile
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@@ -308,6 +308,9 @@ $(obj)/zImage.iseries: vmlinux
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 $(obj)/uImage: vmlinux $(wrapperbits)
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 	$(call if_changed,wrap,uboot)
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+$(obj)/uImage.fit.%: vmlinux $(obj)/%.dtb $(wrapperbits)
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+	$(call if_changed,wrap,uboot.fit,,$(obj)/$*.dtb)
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+
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 $(obj)/cuImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits)
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 	$(call if_changed,wrap,cuboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz)
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@@ -347,7 +350,7 @@ install: $(CONFIGURE) $(addprefix $(obj)
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 # anything not in $(targets)
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 clean-files += $(image-) $(initrd-) cuImage.* dtbImage.* treeImage.* \
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-	zImage zImage.initrd zImage.chrp zImage.coff zImage.holly \
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+	uImage.* zImage zImage.initrd zImage.chrp zImage.coff zImage.holly \
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 	zImage.iseries zImage.miboot zImage.pmac zImage.pseries \
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 	simpleImage.* otheros.bld *.dtb
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--- a/arch/powerpc/boot/wrapper
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+++ b/arch/powerpc/boot/wrapper
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@@ -46,6 +46,9 @@ CROSS=
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 # mkimage wrapper script
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 MKIMAGE=$srctree/scripts/mkuboot.sh
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+# script to generate an .its file for uImage.fit.* images
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+MKITS=$srctree/scripts/mkits.sh
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+
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 # directory for object and other files used by this script
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 object=arch/powerpc/boot
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 objbin=$object
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@@ -157,7 +160,7 @@ coff)
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     lds=$object/zImage.coff.lds
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     link_address='0x500000'
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     ;;
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-miboot|uboot)
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+miboot|uboot|uboot.fit)
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     # miboot and U-boot want just the bare bits, not an ELF binary
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     ext=bin
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     objflags="-O binary"
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@@ -273,6 +276,21 @@ uboot)
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     fi
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     exit 0
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     ;;
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+uboot.fit)
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+    rm -f "$ofile"
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+    ${MKITS} -A ppc -C gzip -a $membase -e $membase -v $version \
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+	-d "$srctree/$dtb" -k "$srctree/$vmz" -o "$object/uImage.its"
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+
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+    # mkimage calls dtc for FIT images so use kernel dtc if necessary
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+    export PATH=$PATH:$srctree/scripts/dtc
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+
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+    ${MKIMAGE} -f "$object/uImage.its" "$ofile"
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+    rm "$object/uImage.its"
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+    if [ -z "$cacheit" ]; then
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+	rm -f "$vmz"
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+    fi
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+    exit 0
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+    ;;
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 esac
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 addsec() {
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