Root/target/linux/mpc83xx/patches-2.6.36/019-powerpc_create_fit_uImages.patch

1--- a/arch/powerpc/Makefile
2+++ b/arch/powerpc/Makefile
3@@ -166,7 +166,8 @@ all: zImage
4 
5 # With make 3.82 we cannot mix normal and wildcard targets
6 BOOT_TARGETS1 := zImage zImage.initrd uImage
7-BOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.%
8+BOOT_TARGETS2 := uImage.fit.% zImage% dtbImage% treeImage.% cuImage.% \
9+ simpleImage.%
10 
11 PHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2)
12 
13@@ -199,6 +200,7 @@ define archhelp
14   @echo '* zImage - Build default images selected by kernel config'
15   @echo ' zImage.* - Compressed kernel image (arch/$(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@@ -314,6 +314,9 @@ $(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@@ -353,7 +356,7 @@ install: $(CONFIGURE) $(addprefix $(obj)
44 
45 # anything not in $(targets)
46 clean-files += $(image-) $(initrd-) cuImage.* dtbImage.* treeImage.* \
47- zImage zImage.initrd zImage.chrp zImage.coff zImage.holly \
48+ uImage.* zImage zImage.initrd zImage.chrp zImage.coff zImage.holly \
49     zImage.iseries zImage.miboot zImage.pmac zImage.pseries \
50     zImage.maple simpleImage.* otheros.bld *.dtb
51 
52--- a/arch/powerpc/boot/wrapper
53+++ b/arch/powerpc/boot/wrapper
54@@ -46,6 +46,9 @@ CROSS=
55 # mkimage wrapper script
56 MKIMAGE=$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@@ -161,7 +164,7 @@ coff)
65     lds=$object/zImage.coff.lds
66     link_address='0x500000'
67     ;;
68-miboot|uboot)
69+miboot|uboot|uboot.fit)
70     # miboot and U-boot want just the bare bits, not an ELF binary
71     ext=bin
72     objflags="-O binary"
73@@ -282,6 +285,21 @@ uboot)
74     if [ -z "$cacheit" ]; then
75     rm -f "$vmz"
76     fi
77+ exit 0
78+ ;;
79+uboot.fit)
80+ rm -f "$ofile"
81+ ${MKITS} -A ppc -C gzip -a $membase -e $membase -v $version \
82+ -d "$srctree/$dtb" -k "$srctree/$vmz" -o "$object/uImage.its"
83+
84+ # mkimage calls dtc for FIT images so use kernel dtc if necessary
85+ export PATH=$PATH:$srctree/scripts/dtc
86+
87+ ${MKIMAGE} -f "$object/uImage.its" "$ofile"
88+ rm "$object/uImage.its"
89+ if [ -z "$cacheit" ]; then
90+ rm -f "$vmz"
91+ fi
92     exit 0
93     ;;
94 esac
95

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