mk_uboot_image

#!/bin/bash

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

# build the bootloader image
prepare_uboot() {
  local paddeduboot=$1
  local uboot=$2
  local eraseblocksize=$3
  local ebsize=$4

  
  echo dd if=$uboot of=$paddeduboot bs=$eraseblocksize conv=sync
  dd if=$uboot of=$paddeduboot bs=$eraseblocksize conv=sync
}

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

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

outputdir="${outputdir:-.}"
outputfile="${outputfile:-$outputdir/uboot-$NAND_EBSIZE.bin}"
inputfile="$1"

prepare_uboot "${outputfile}" "${inputfile}" $NAND_ERASE_BLOCK_SIZE $NAND_EBSIZE