On Fri, May 2, 2014 at 9:40 PM, Richard-tx <[email protected]> wrote:
> I am using ttyO0 as a serial console for another linux machine.  When the
> BBB boots, it sends out messages out ttyO0 which is connected to another
> machines console.  Since a getty is running and the messages get echo'd
> back, uboot reacts to those messages which stops the boot process..
>
> So the bottom line is this:
>
> How do I get uboot to NOT send out boot messages to ttyO0?
>
> Here is a sample of the messages sent to ttyO0
>
> U-Boot 2013.10-00016-g6adb529 (Feb 06 2014 - 14:54:24)^M
> ^M
> I2C:   ready^M
> DRAM:  512 MiB^M
> WARNING: Caches not enabled^M
> NAND:  0 MiB^M
> MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1^M
> *** Warning - readenv() failed, using default environment^M
> ^M
> Net:   <ethaddr> not set. Validating first E-fuse MAC^M
> cpsw, usb_ether^M
> Hit any key to stop autoboot:  1 ^H^H^H 0 ^M
> gpio: pin 53 (gpio 53) value is 1^M
> Card did not respond to voltage select!^M

Lots of options, redirect u-boot to a different serial port:

http://git.denx.de/?p=u-boot.git;a=blob;f=board/ti/am335x/board.c;hb=HEAD#l399

enable u-boot silent mode

etc/etc.

Regards,

-- 
Robert Nelson
http://www.rcn-ee.com/

-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
"BeagleBoard" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
For more options, visit https://groups.google.com/d/optout.

Reply via email to