[mpc83xx]: FIT uImage support for the MPC8377-WLAN

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19094 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 124 insertions, 0 deletions

diff --git a/target/linux/mpc83xx/patches/005-powerpc_mkuboot.patch b/target/linux/mpc83xx/patches/005-powerpc_mkuboot.patch
new file mode 100644
index 0000000000..8e200b1a65
--- /dev/null
+++ b/target/linux/mpc83xx/patches/005-powerpc_mkuboot.patch
@@ -0,0 +1,30 @@
+--- a/arch/powerpc/boot/wrapper
++++ b/arch/powerpc/boot/wrapper
+@@ -43,6 +43,9 @@ gzip=.gz
+ # cross-compilation prefix
+ CROSS=
+ 
++# mkimage wrapper script
++MKIMAGE=$srctree/scripts/mkuboot.sh
++
+ # directory for object and other files used by this script
+ object=arch/powerpc/boot
+ objbin=$object
+@@ -262,7 +265,7 @@ membase=`${CROSS}objdump -p "$kernel" | 
+ case "$platform" in
+ uboot)
+     rm -f "$ofile"
+-    mkimage -A ppc -O linux -T kernel -C gzip -a $membase -e $membase \
++    ${MKIMAGE} -A ppc -O linux -T kernel -C gzip -a $membase -e $membase \
+ 	$uboot_version -d "$vmz" "$ofile"
+     if [ -z "$cacheit" ]; then
+ 	rm -f "$vmz"
+@@ -322,7 +325,7 @@ coff)
+     ;;
+ cuboot*)
+     gzip -f -9 "$ofile"
+-    mkimage -A ppc -O linux -T kernel -C gzip -a "$base" -e "$entry" \
++    ${MKIMAGE} -A ppc -O linux -T kernel -C gzip -a "$base" -e "$entry" \
+             $uboot_version -d "$ofile".gz "$ofile"
+     ;;
+ treeboot*)
diff --git a/target/linux/mpc83xx/patches/006-powerpc_create_fit_uImages.patch b/target/linux/mpc83xx/patches/006-powerpc_create_fit_uImages.patch
new file mode 100644
index 0000000000..d553c675dc
--- /dev/null
+++ b/target/linux/mpc83xx/patches/006-powerpc_create_fit_uImages.patch
@@ -0,0 +1,94 @@
+--- a/arch/powerpc/Makefile
++++ b/arch/powerpc/Makefile
+@@ -157,7 +157,8 @@ drivers-$(CONFIG_OPROFILE)	+= arch/power
+ # Default to zImage, override when needed
+ all: zImage
+ 
+-BOOT_TARGETS = zImage zImage.initrd uImage zImage% dtbImage% treeImage.% cuImage.% simpleImage.%
++BOOT_TARGETS = zImage zImage.initrd uImage uImage.fit.% zImage% dtbImage% \
++	       treeImage.% cuImage.% simpleImage.%
+ 
+ PHONY += $(BOOT_TARGETS)
+ 
+@@ -173,6 +174,7 @@ define archhelp
+   @echo '* zImage          - Build default images selected by kernel config'
+   @echo '  zImage.*        - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)'
+   @echo '  uImage          - U-Boot native image format'
++  @echo '  uImage.fit.<dt> - U-Boot Flattened Image Tree image format'
+   @echo '  cuImage.<dt>    - Backwards compatible U-Boot image for older'
+   @echo '                    versions which do not support device trees'
+   @echo '  dtbImage.<dt>   - 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
+@@ -306,6 +306,9 @@ $(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)
+ 
+@@ -345,7 +348,7 @@ install: $(CONFIGURE) $(addprefix $(obj)
+ 
+ # anything not in $(targets)
+ clean-files += $(image-) $(initrd-) cuImage.* dtbImage.* treeImage.* \
+-	zImage zImage.initrd zImage.chrp zImage.coff zImage.holly \
++	uImage.* zImage zImage.initrd zImage.chrp zImage.coff zImage.holly \
+ 	zImage.iseries zImage.miboot zImage.pmac zImage.pseries \
+ 	simpleImage.* otheros.bld *.dtb
+ 
+--- a/arch/powerpc/boot/wrapper
++++ b/arch/powerpc/boot/wrapper
+@@ -46,6 +46,9 @@ CROSS=
+ # mkimage wrapper script
+ MKIMAGE=$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
+@@ -156,7 +159,7 @@ coff)
+     lds=$object/zImage.coff.lds
+     link_address='0x500000'
+     ;;
+-miboot|uboot)
++miboot|uboot|uboot.fit)
+     # miboot and U-boot want just the bare bits, not an ELF binary
+     ext=bin
+     objflags="-O binary"
+@@ -272,6 +275,21 @@ uboot)
+     fi
+     exit 0
+     ;;
++uboot.fit)
++    rm -f "$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
+ 
+ addsec() {