From mboxrd@z Thu Jan  1 00:00:00 1970
From: Graeme Russ <graeme.russ@gmail.com>
Date: Wed, 21 Mar 2012 21:35:35 +1100
Subject: [U-Boot] [PATCH] tegra: Specify debugging serial port at boot.
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Hi Stephen, Wolfgang,

On 03/21/2012 08:38 PM, Wolfgang Denk wrote:
> Dear Simon Glass,
> 
> In message <CAPnjgZ0jYpHSNG354=f4mDVJ0TT5-6jDCxpEG1Y70v5dwbYxkQ@mail.gmail.com> you wrote:

> We have standard ways of telling the Linux kernel what the console
> port is - the "console=" boot argument has been working fine for many,
> many years and many, many boards and systems.  But Tegra needs to
> invent it's own hackinsh implementation of putting special data in
> some special registers.  What a crap.

This made me look into the x86 code - There is a command line option
'earlyprintk' which is available stupidly early (even the real-mode code
and de-compressor have access to it)

So I do now wonder why Tegra needs to do anything differently

Regards,

Graeme