>From: wd at denx.de [mailto:wd at denx.de] >Sent: den 16 mars 2006 21:10 >To: Bj?rn ?stby >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, Bj?rn ?stby
