#!/bin/bash

SPIDEVS=`cat /proc/mtd | grep -e "^mtd" | grep -i spi | gawk -e '{print $1}' | sed 's/://'`
if [ -z "$SPIDEVS" ]; then
    echo "SKIP: no spi device found"
    exit 1
fi


MTD_DEBUG=`which mtd_debug`
if [ -z "$MTD_DEBUG" ] ; then
    echo "FAIL: mtd_debug utility not found on the system"
    exit 1
fi

ERRCODE=0

for DV in $SPIDEVS ; do
    FNAME=`cat /proc/mtd | grep $DV | gawk -F\" '{print $2}'`
    FDEV=/dev/$DV
    MTDSIZE=`$MTD_DEBUG info $FDEV | grep "mtd.size" | gawk -e '{print $3}'`
    if [ $MTDSIZE -eq 0 ] ; then
        echo "SKIP: $FNAME size is $MTDSIZE (skipped)"
    else
        $MTD_DEBUG read $FDEV 0 $MTDSIZE /dev/null > /dev/null 2>&1
        if [ $? -eq 0 ] ; then
            echo "PASS: \"$FNAME\" read $MTDSIZE bytes"
        else
            echo "FAIL: \"$FNAME\" trying to read $MTDSIZE bytes"
            ERRCODE=2
        fi
    fi
done

exit $ERRCODE