No ttyS device at I/O port 0xfe004500 for console

Alex Zeffertt ajz at cambridgebroadband.com
Wed Jun 14 18:51:45 EST 2006


Joakim Tjernlund wrote:
>  
> 
>> -----Original Message-----
>> From: 
>> linuxppc-embedded-bounces+joakim.tjernlund=lumentis.se at ozlabs.
>> org 
>> [mailto:linuxppc-embedded-bounces+joakim.tjernlund=lumentis.se
>> @ozlabs.org] On Behalf Of Alex Zeffertt
>> Sent: den 13 juni 2006 18:48
>> To: linuxppc-embedded at ozlabs.org
>> Subject: No ttyS device at I/O port 0xfe004500 for console
>>
>> Hi list,
>>
>> I'm trying to boot a linux-2.6.11 kernel on a MPC83xx based 
>> board.  Through some experimentation I have found I need 
>> "console=uart,io,0xfe004500"
>> in the kernel command line in order to get any output over 
>> the serial port.
> 
> Alex, can you post your complete u-boot env(printenv). I am trying to do
> the same as you but I havn't gotten any output yet. I managed to wipe my
> u-boot & u-boot env and the docs arent that great :(
> 
>  Jocke
> 

No problem.

I just had to try absolutely *every* possible option for the console parameter.
Eventually this worked (for the early serial output only, not for /dev/console
output.)

See attached for my u-boot environment

Alex


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