#!/bin/sh 
echo update start... > /dev/ttyS0

SD_ROOTDIR=/mnt/sd
echo none > /sys/class/leds/heartbeat/trigger

check_return()
{
	if [ $@ -ne 0 ];then
		echo build failed
		exit $@
	fi
}

starttime=`date +'%Y-%m-%d %H:%M:%S'`
if [ ! -d ${SD_ROOTDIR} ]
then
	mkdir -p  ${SD_ROOTDIR}
fi
echo "wait for mount" > /dev/ttyS0
echo "wait for mount"
sleep 3
if [ -b /dev/mmcblk1p1 ]
then
	mount /dev/mmcblk1p1 ${SD_ROOTDIR}
elif [ -b /dev/sda1 ]
then
	mount /dev/sda1 ${SD_ROOTDIR}
else
	echo "-------------------------------------------------"
	echo "The first partition of the sd card was not found." > /dev/ttyS0
	echo "-------------------------------------------------"
	exit
fi

echo "cd ${SD_ROOTDIR}..." > /dev/ttyS0
cd ${SD_ROOTDIR}
echo 1 > /sys/class/leds/heartbeat/brightness 




dd if=/dev/zero of=/dev/mmcblk0 bs=1024 count=1024
check_return $?

# clear uboot env
dd if=/dev/zero of=/dev/mmcblk0 bs=1 count=131072 seek=65536 conv=fsync
check_return $?
echo "flash emmc boot..." > /dev/ttyS0
echo 0 > /sys/block/mmcblk0boot0/force_ro
dd if=/dev/zero of=/dev/mmcblk0boot0 bs=1M count=4 conv=fsync > /dev/ttyS0

dd if=${SD_ROOTDIR}/tiboot3.bin of=/dev/mmcblk0boot0 seek=0 bs=512 > /dev/ttyS0
dd if=${SD_ROOTDIR}/tispl.bin of=/dev/mmcblk0boot0 seek=1024 bs=512 > /dev/ttyS0
dd if=${SD_ROOTDIR}/u-boot.img of=/dev/mmcblk0boot0 seek=5120 bs=512 > /dev/ttyS0

mmc bootpart enable 1 1 /dev/mmcblk0
mmc bootbus set single_backward x1 x8 /dev/mmcblk0
mmc hwreset enable /dev/mmcblk0
mmc extcsd read /dev/mmcblk0 | grep BOOT_BUS_CONDITIONS > /dev/ttyS0
mmc extcsd read /dev/mmcblk0 | grep PARTITION_CONFIG > /dev/ttyS0
mmc extcsd read /dev/mmcblk0 | grep RST_N_FUNCTION > /dev/ttyS0
echo 1 > /sys/block/mmcblk0boot0/force_ro
#mmc bootpart enable 0 0 /dev/mmcblk0

systems=`ls ${SD_ROOTDIR}/ok62lxx-linux-fs.sdcard.a*`
check_return $?

offsets=0
echo "flashing kernel and rootfs wait..." > /dev/ttyS0
echo "flashing kernel and rootfs wait..."
for img in $systems
do
	echo "$img $offsets" > /dev/ttyS0
	echo "$img $offsets"
    dd if=$img of=/dev/mmcblk0 bs=256M seek=$offsets
    if [ "$?" == "1" ] ; then
        echo "sd/emmc flash error" > /dev/ttyS0
        exit
    fi
    echo "flash $img, done"  > /dev/ttyS0
    echo "flash $img, done"
    offsets=$(($offsets+8))
done
sync
echo ">>>>>>>>>>>>>> Flashing successfully completed <<<<<<<<<<<<<<" > /dev/ttyS0
echo ">>>>>>>>>>>>>> Flashing successfully completed <<<<<<<<<<<<<<"

/sbin/fdisk /dev/mmcblk0 << EOF
t
1
c
a
1
w
EOF

/sbin/fdisk /dev/mmcblk0 << EOF
d
2
n
p
2
172416

w
EOF