[U-Boot] Prevent dropping into a shell triggered by serial port

[Andrew Dyer]

On Wed, Oct 20, 2010 at 21:28, sunimohan <sunimohan at gmail.com> wrote:
>
> Hi
>
>  I have connected my mini2440 to a Com device using serial port.
>
> when I try to boot, uboot always drops into the shell. If I remove the
> serial port connector, it boots happily.
>
> Looks like the Com device is responding to the boot messages from uboot and
> uboot is dropping into the shell.
>
> 1) Can I prevent messages from uboot  into serial port
>
> 2) Can I continue to boot even if I drop into a shell (like automatically
> typing "boot" in the shell) with a script like .bashrc equivalent
>
> 3) can I totally shutoff the serial port for uboot only
>

RTFM

see the main README, doc/README.silent, doc/README.modem,
doc/README.autoboot in u-boot.  There are lots of ways to handle this.