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From: Segher Boessenkool <segher@kernel.crashing.org>
Subject: Re: printk/console_init - baud rate setting
Date: Wed, 14 Nov 2007 12:30:04 +0100
To: "Siva Prasad" <sprasad@bivio.net>
Cc: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>,
	linuxppc-dev@ozlabs.org, linuxppc-embedded@ozlabs.org
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> I am getting garbage on the screen. So, I presume this must be some 
> sort
> of baud rate issue. Can some one help me out understand how this baud 
> is
> set for serial drivers? I want to run at 115200.

console=ttyS0,115200

See Documentation/kernel-parameters.txt; depending on exactly what
early console you are using, that one might have it hardcoded.  Have
a look around.


Segher