target/linux/mpc83xx/patches/006-powerpc_create_fit_uImages.patch

   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 += $(BOOT_TARGETS)
  12
  13 @@ -173,6 +174,7 @@ define archhelp
  14    @echo '* zImage          - Build default images selected by kernel config'
  15    @echo '  zImage.*        - Compressed kernel image (arch/$(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 @@ -306,6 +306,9 @@ $(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 @@ -345,7 +348,7 @@ 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 @@ -156,7 +159,7 @@ coff)
  65      lds=$object/zImage.coff.lds
  66      link_address='0x500000'
  67      ;;
  68 -miboot|uboot)
  69 +miboot|uboot|uboot.fit)
  70      # miboot and U-boot want just the bare bits, not an ELF binary
  71      ext=bin
  72      objflags="-O binary"
  73 @@ -272,6 +275,21 @@ uboot)
  74      fi
  75      exit 0
  76      ;;
  77 +uboot.fit)
  78 +    rm -f "$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() {