Hi,
here's a bit of my setup script (and no, the guy from tomtom has remained invisible now). my chroot'd environment is in /home/tomtom. None of the following is secret and has been revealed by opentom project.
TTPROC="/home/tomtom/proc/barcelona"
mkdir -p $TTPROC
echo -n "1" > $TTPROC/battery
echo -n "0" > $TTPROC/bluetooth
echo -n "1" > $TTPROC/cputype
echo -n "0" > $TTPROC/gyro
echo -n "0" > $TTPROC/harddisk
echo -n "0" > $TTPROC/lightsensor
echo -n "0" > $TTPROC/lowbutton
echo -n "TomTom GO 500" > $TTPROC/modelename
echo -n "2" > $TTPROC/modelid
echo -n "0" > $TTPROC/remote
echo -n "0" > $TTPROC/sdcard
echo -n "GO 500" > $TTPROC/shortname
echo -n "2" > $TTPROC/tfttype
echo -n "0" > $TTPROC/tsfets
TTFLASH="/home/tomtom/mnt/flash"
mkdir -p $TTFLASH/sysfile
echo -n "4.28000000000000" > $TTFLASH/sysfile/bootver
echo -n $TTSERIAL > $TTFLASH/sysfile/id
TTDEV="/home/tomtom/dev"
rm $TTDEV/hwstatus
mknod $TTDEV/hwstatus p
rm $TTDEV/barc-snd
rm $TTDEV/acc
touch $TTDEV/acc
rm $TTDEV/ts
mknod $TTDEV/ts p