remote_uboot_write_sd

#!/bin/sh

## hyphop ##

#= u-boot write to SD via ssh

[ $HOST] || HOST=root@vimu

UPATH=../../fenix/u-boot/fip/_tmp
UNAME=u-boot.bin.sd.bin

UPATH=$(dirname $0)/../share
UNAME=u-boot.sd.bin

[ -f "$1" ] && UBOOT="$1"

[ $DEV ] || DEV=mmcblk1

[ $UBOOT ] || {

for UBOOT in $UNAME $UPATH/$UNAME ; do
    [ -f $UBOOT ] && break
done

}

RDEV=/dev/$DEV

[ -f "$UBOOT" ] || {
    echo "[e] $UBOOT not found">&2
    exit 1 
}

grep -q "sd/emmc" $UBOOT  || {
    echo "[e] $UBOOT signature not found">&2
    exit 1 
}

echo "[w] $UBOOT > $HOST:$RDEV write $(stat -L -c%s $UBOOT) bytes">&2

scp $UBOOT $HOST:/tmp && {

echo "
echo SSH_UBOOT_WRITE
cat /sys/class/block/$DEV/device/name
[ -b "$RDEV" ] || {
    echo \"[i] $RDEV not find / insert sd card plz\"
    exit 1
}
echo \"[i] wait 2 sec before write to $HOST:$RDEV\"
sleep 2
dd of=/dev/$DEV conv=fsync,notrunc bs=444 count=1 if=/tmp/$UNAME
dd of=/dev/$DEV conv=fsync,notrunc bs=512 skip=1 seek=1 if=/tmp/$UNAME
echo DONE
" | ssh $HOST

}