[U-Boot] repurposing uboot's console UART after booting

[Mike Frysinger]

On Sat, Apr 23, 2011 at 9:03 PM, CAIannello wrote:
> I'm fooling around with a Kindle 3G. I have it setup so I can SSH to it via
> Wifi, and I can also get a shell through the "accessory port" which happens
> to be the UART (ttymxc0) that U-Boot uses for console IO.
>
> After booting, I would like to use this UART for other things besides shells
> and U-Boot status.  I want to attach custom peripherals to it instead.
>
> I tried killing the ttymxc0's shell process from my ssh session, but another
> one pops right up.
>
> In case its not obvious, I'm new to linux, but eager to learn.  If possible,
> I'd rather not rebuild/reinstall U-boot on this device.  Instead, I would
> like to try to make U-Boot release the UART programatically after booting.

this isnt a u-boot issue.  once linux boots, u-boot has nothing to do
with things.  post your question to whoever your distro maker is.
-mike