mk_uboot_env_image

#!/bin/bash

SCRIPTDIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
source $SCRIPTDIR/chip_nand_scripts_common

require mkenvimage "Please install from http://git.denx.de/u-boot.git"

usage() {
  echo -e "\n\
  usage: $(basename $0) [options] INPUTFILE\n\
\n
  options:\n\
    -N FILENAME         - read nand configuration from FILENAME\n\
    -S ENV_SIZE         - create environment of ENV_SIZE bytes (default: NAND_ERASE_BLOCK_SIZE)\n\
    -d OUTPUTDIR        - write file to OUTPUTDIR (default: .)\n\
    -o OUTPUTFILE       - write to OUTPUTFILE (default: uboot-env-<NAND_EBSIZE>.bin)n\
    -h, --help          - show this help\n\
\n"
  exit 1
}

while getopts ":N:d:o:S:" o; do
    case "${o}" in
        N)
	    read_nand_config "${OPTARG}"
            ;;
        S)
	    size="${OPTARG}"
            ;;
        o)
            outputfile=${OPTARG}
            ;;
        d)
            outputdir=${OPTARG}
            ;;
        *)
            usage
            ;;
    esac
done
shift $((OPTIND-1))

size=${size:-NAND_ERASE_BLOCK_SIZE}
size=${size?Specify either NAND type or environment size}
hexsize=`printf %x $size`

outputdir="${outputdir:-.}"
outputfile="${outputfile:-$outputdir/uboot-env-$hexsize.bin}"
input="${1?No input file given}"

if [ ! -f "${input}" ]; then
  echo "$(basename 0): ERROR: input file \"${input}\" does not exist"
  exit 1
fi

echo mkenvimage -s $size -o $outputfile $input 
mkenvimage -s $size -o $outputfile $input