On Fri, May 18, 2012 at 12:58 PM, Timur Tabi <ti...@freescale.com> wrote:
> The reason I make a big deal about saveenv is because I use an environment
> variable ("video-mode") to enable video support. Once the console is
> switched to the video display, the only way to switch it back to the
> serial port is to delete the environment variable, save the environment,
> and reboot.
>
> If we had a command that switched the console back to the serial port, I
> wouldn't need any of this.
Yes, I noticed it last week when working with mx51evk.
The suggestion I got from the list and that worked for me was to force
setenv("stdout", "serial"); inside board_late_init.
Take a look at:
https://github.com/fabioestevam/u-boot-imx/commit/bbd9e6eac8dfbce2fe64e84f01c292ab708124b5
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