OpenWrt – Rev 4

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#!/bin/sh
#
# Copyright (C) 2016 LEDE
#

[ -e /etc/config/ubootenv ] && exit 0

touch /etc/config/ubootenv

. /lib/uboot-envtools.sh
. /lib/functions.sh

board=$(board_name)

ubootenv_mtdinfo () {
        UBOOTENV_PART=$(cat /proc/mtd | grep APPSBLENV)
        mtd_dev=$(echo $UBOOTENV_PART | awk '{print $1}' | sed 's/:$//')
        mtd_size=$(echo $UBOOTENV_PART | awk '{print "0x"$2}')
        mtd_erase=$(echo $UBOOTENV_PART | awk '{print "0x"$3}')
        nor_flash=$(find /sys/bus/spi/devices/*/mtd -name ${mtd_dev})

        if [ -n "$nor_flash" ]; then
                ubootenv_size=$mtd_size
        else
                # size is fixed to 0x40000 in u-boot
                ubootenv_size=0x40000
        fi

        sectors=$(( $ubootenv_size / $mtd_erase ))
        echo /dev/$mtd_dev 0x0 $ubootenv_size $mtd_erase $sectors
}

case "$board" in
openmesh,a42 |\
openmesh,a62)
        ubootenv_add_uci_config "/dev/mtd5" "0x0" "0x10000" "0x10000"
        ;;
esac

config_load ubootenv
config_foreach ubootenv_add_app_config ubootenv

exit 0