8xx SMC1 problem

[Antonio Di Bacco]

I tried directly with console=/dev/null and then I was able to use the serial 
port from an application.

Bye,
Antonio.


On Friday 17 March 2006 07:55, Björn Östby wrote:
> >From: wd at denx.de [mailto:wd at denx.de]
> >Sent: den 16 mars 2006 21:10
> >To: Björn Östby
> >Cc: linuxppc-embedded at ozlabs.org
> >Subject: Re: 8xx SMC1 problem
> >
> >In message <004Bxxxxx at ratatosk.combitechsystems.com> you wrote
> >
> >> First of, I have three serial ports (SMC1, SMC2 and SCC3) and they all
> >> work  fine when the console is on SMC1. I have gadgets connected to
> >> SMC2 and SCC 3 and now I need SMC1 for yet another device. So I have
> >> undefined CONFIG_SE RIAL_CONSOLE in the kernel config and I jump out
> >> of u-boot (which have the console on SMC1) with the argument
> >> "console=none".
> >
> >And did you make sure that no other process is accessing ttyS0 ?
> >
> >> When logging in (via telnet) ttyS0 works no more (but S1 and S2 does).
> >> At r andom bootups, it is possible to open the port but it is no good
> >> for read o r write.
> >>
> >> Can anybody give me some advise on how to enable SMC1 but at the same
> >> time don't have a console on it?
> >
> >We did the same (passing console=null) in a couple of  configurations and
> >had  no  problems  >using SMC1 as standard serial port. Try *not*
> > undefining CONFIG_SERIAL_CONSOLE.
>
> Ahh, "console=null" worked a lot better than "console=none".
> Problem solved!
>
> >And please keep your line length < 72 characters or so.
>
> I'll see to that.
>
>
> Regards,
> Björn östby
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