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From: Kumar Gala <galak@kernel.crashing.org>
Date: Fri, 18 Nov 2005 08:46:49 -0600
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev list <linuxppc-dev@ozlabs.org>,
	David Woodhouse <dwmw2@infradead.org>, Tom Rini <trini@kernel.crashing.org>
Subject: Re: [PATCH] Fix 8250 probe on ppc32
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On Nov 18, 2005, at 4:51 AM, Benjamin Herrenschmidt wrote:

> On Fri, 2005-11-18 at 09:23 +0100, Christoph Hellwig wrote:
>> On Fri, Nov 18, 2005 at 02:50:17PM +1100, Benjamin Herrenschmidt  
>> wrote:
>>> On Thu, 2005-11-17 at 21:26 -0600, Kumar Gala wrote:
>>>> Paul or BenH,
>>>>
>>>> Would you like to enlighten us on this ambitious rework?
>>>
>>> First, some better & more generic routines for translating addresses
>>> from the device-tree, and some more generic code for looking for
>>> standard serial port using the above routines, among others ...  
>>> also,
>>> set_preferred_console gets modified to use the previous list so  
>>> it can
>>> detect the ports more reliably, etc ....
>>
>> so as a start can we move the code to a place in arch/powerpc/ where
>> it can bee used by ppc32 _now_ because it fixes a real problem?  You
>> can add your encehancements whenever you get time to actually do it.
>
> My patch makes it ppc32 too :) udbg gets build on ppc32 along with  
> early
> console etc... all with the same code path as ppc64. I still need to
> test it on more hw and fix a few problems and hopefully will post it
> before the week-end is over.

How early on can we use udbg? I'd be interested to see how this is  
going to work out for 4xx/83xx/85xx w/built-in 8250's.

- kumar