diff options
| -rw-r--r-- | target/linux/mpc83xx/config-default | 1 | ||||
| -rwxr-xr-x | target/linux/mpc83xx/files/scripts/mkits.sh | 111 | ||||
| -rw-r--r-- | target/linux/mpc83xx/image/Makefile | 11 | ||||
| -rw-r--r-- | target/linux/mpc83xx/patches/005-powerpc_mkuboot.patch | 30 | ||||
| -rw-r--r-- | target/linux/mpc83xx/patches/006-powerpc_create_fit_uImages.patch | 94 |
5 files changed, 240 insertions, 7 deletions
diff --git a/target/linux/mpc83xx/config-default b/target/linux/mpc83xx/config-default index 955ad9a..bbb69d5 100644 --- a/target/linux/mpc83xx/config-default +++ b/target/linux/mpc83xx/config-default @@ -38,6 +38,7 @@ CONFIG_DTC=y CONFIG_EARLY_PRINTK=y # CONFIG_EDAC is not set # CONFIG_EMBEDDED6xx is not set +CONFIG_EXTRA_TARGETS="uImage.fit.mpc8377_wlan" CONFIG_FORCE_MAX_ZONEORDER=11 # CONFIG_FSL_EMB_PERFMON is not set CONFIG_FSL_PCI=y diff --git a/target/linux/mpc83xx/files/scripts/mkits.sh b/target/linux/mpc83xx/files/scripts/mkits.sh new file mode 100755 index 0000000..3b02b69 --- /dev/null +++ b/target/linux/mpc83xx/files/scripts/mkits.sh @@ -0,0 +1,111 @@ +#!/bin/bash +# +# Licensed under the terms of the GNU GPL License version 2 or later. +# +# Author: Peter Tyser <ptyser@xes-inc.com> +# +# U-Boot firmware supports the booting of images in the Flattened Image +# Tree (FIT) format. The FIT format uses a device tree structure to +# describe a kernel image, device tree blob, ramdisk, etc. This script +# creates an Image Tree Source (.its file) which can be passed to the +# 'mkimage' utility to generate an Image Tree Blob (.itb file). The .itb +# file can then be booted by U-Boot (or other bootloaders which support +# FIT images). See doc/uImage.FIT/howto.txt in U-Boot source code for +# additional information on FIT images. +# + +usage() { + echo "Usage: `basename $0` -A arch -C comp -a addr -e entry" \ + "-v version -k kernel [-d dtb] -o its_file" + echo -e "\t-A ==> set architecture to 'arch'" + echo -e "\t-C ==> set compression type 'comp'" + echo -e "\t-a ==> set load address to 'addr' (hex)" + echo -e "\t-e ==> set entry point to 'entry' (hex)" + echo -e "\t-v ==> set kernel version to 'version'" + echo -e "\t-k ==> include kernel image 'kernel'" + echo -e "\t-d ==> include Device Tree Blob 'dtb'" + echo -e "\t-o ==> create output file 'its_file'" + exit 1 +} + +while getopts ":A:C:a:d:e:k:o:v:" OPTION +do + case $OPTION in + A ) ARCH=$OPTARG;; + C ) COMPRESS=$OPTARG;; + a ) LOAD_ADDR=$OPTARG;; + d ) DTB=$OPTARG;; + e ) ENTRY_ADDR=$OPTARG;; + k ) KERNEL=$OPTARG;; + o ) OUTPUT=$OPTARG;; + v ) VERSION=$OPTARG;; + * ) echo "Invalid option passed to '$0' (options:$@)" + usage;; + esac +done + +# Make sure user entered all required parameters +if [ -z "${ARCH}" ] || [ -z "${COMPRESS}" ] || [ -z "${LOAD_ADDR}" ] || \ + [ -z "${ENTRY_ADDR}" ] || [ -z "${VERSION}" ] || [ -z "${KERNEL}" ] || \ + [ -z "${OUTPUT}" ]; then + usage +fi + +# Create a default, fully populated DTS file +DATA="/dts-v1/; + +/ { + description = \"Linux kernel ${VERSION}\"; + #address-cells = <1>; + + images { + kernel@1 { + description = \"Linux Kernel ${VERSION}\"; + data = /incbin/(\"${KERNEL}\"); + type = \"kernel\"; + arch = \"${ARCH}\"; + os = \"linux\"; + compression = \"${COMPRESS}\"; + load = <${LOAD_ADDR}>; + entry = <${ENTRY_ADDR}>; + hash@1 { + algo = \"crc32\"; + }; + hash@2 { + algo = \"sha1\"; + }; + }; + + fdt@1 { /* start fdt */ + description = \"Flattened Device Tree blob\"; + data = /incbin/(\"${DTB}\"); + type = \"flat_dt\"; + arch = \"${ARCH}\"; + compression = \"none\"; + hash@1 { + algo = \"crc32\"; + }; + hash@2 { + algo = \"sha1\"; + }; + }; /* end fdt */ + }; + + configurations { + default = \"config@1\"; + config@1 { + description = \"Default Linux kernel\"; + kernel = \"kernel@1\"; + fdt = \"fdt@1\"; + }; + }; +};" + +# Conditionally strip fdt information out of tree +if [ -z "${DTB}" ]; then + DATA=`echo "$DATA" | sed '/start fdt/,/end fdt/d'` + DATA=`echo "$DATA" | sed '/fdt/d'` +fi + +# Write .its file to disk +echo "$DATA" > ${OUTPUT} diff --git a/target/linux/mpc83xx/image/Makefile b/target/linux/mpc83xx/image/Makefile index 8004f74..ed00128 100644 --- a/target/linux/mpc83xx/image/Makefile +++ b/target/linux/mpc83xx/image/Makefile @@ -9,7 +9,6 @@ include $(INCLUDE_DIR)/image.mk define Image/Prepare - $(LINUX_DIR)/scripts/dtc/dtc -O dtb -R 4 -S 0x20000 $(LINUX_DIR)/arch/powerpc/boot/dts/mpc8377_wlan.dts > $(KDIR)/openwrt-mpc8377_wlan.dtb endef define Image/BuildKernel @@ -22,12 +21,10 @@ endef define Image/Build/squashfs $(call prepare_generic_squashfs,$(KDIR)/root.squashfs) -# We'll do FIT here -# ( \ -# dd if=$(LINUX_DIR)/arch/powerpc/boot/uImage bs=1920k conv=sync; \ -# dd if=$(KDIR)/openwrt-mpc8377_wlan.dtb bs=128k conv=sync; \ -# dd if=$(KDIR)/root.$(1) bs=256k conv=sync; \ -# ) > $(BIN_DIR)/openwrt-$(BOARD)-mpc8377_wlan-$(1).img + ( \ + dd if=$(LINUX_DIR)/arch/powerpc/boot/uImage.fit.mpc8377_wlan bs=3072k conv=sync; \ + dd if=$(KDIR)/root.$(1) bs=256k conv=sync; \ + ) > $(BIN_DIR)/openwrt-$(BOARD)-mpc8377_wlan-$(1).img endef $(eval $(call BuildImage)) diff --git a/target/linux/mpc83xx/patches/005-powerpc_mkuboot.patch b/target/linux/mpc83xx/patches/005-powerpc_mkuboot.patch new file mode 100644 index 0000000..8e200b1 --- /dev/null +++ b/target/linux/mpc83xx/patches/005-powerpc_mkuboot.patch @@ -0,0 +1,30 @@ +--- a/arch/powerpc/boot/wrapper ++++ b/arch/powerpc/boot/wrapper +@@ -43,6 +43,9 @@ gzip=.gz + # cross-compilation prefix + CROSS= + ++# mkimage wrapper script ++MKIMAGE=$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 "$ofile" + ;; + treeboot*) diff --git a/target/linux/mpc83xx/patches/006-powerpc_create_fit_uImages.patch b/target/linux/mpc83xx/patches/006-powerpc_create_fit_uImages.patch new file mode 100644 index 0000000..d553c67 --- /dev/null +++ b/target/linux/mpc83xx/patches/006-powerpc_create_fit_uImages.patch @@ -0,0 +1,94 @@ +--- a/arch/powerpc/Makefile ++++ b/arch/powerpc/Makefile +@@ -157,7 +157,8 @@ drivers-$(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() { |