diff options
author | kaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-01-10 18:14:23 +0000 |
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committer | kaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-01-10 18:14:23 +0000 |
commit | d7fbd60e8ef9911b95a92b78704a65cddf2bf593 (patch) | |
tree | 7eb8281cfc687bae9dc3d7c1da13d3cbf26884e7 /target/linux/mpc83xx/files | |
parent | ab2cda2f104e2692a6493eac779a03cda48533ff (diff) |
[mpc83xx]: FIT uImage support for the MPC8377-WLAN
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19094 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/mpc83xx/files')
-rwxr-xr-x | target/linux/mpc83xx/files/scripts/mkits.sh | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/target/linux/mpc83xx/files/scripts/mkits.sh b/target/linux/mpc83xx/files/scripts/mkits.sh new file mode 100755 index 000000000..3b02b6950 --- /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} |