From: "Régis Odeyé" <regis.odeye@kontron•com>
To: Kumar Gala <galak@kernel•crashing.org>
Cc: linuxppc-dev@ozlabs•org
Subject: Re: Extended Addressing Mode
Date: Wed, 22 Oct 2008 14:59:48 +0200 [thread overview]
Message-ID: <48FF23C4.5030408@kontron.com> (raw)
In-Reply-To: <83735324-C37B-4C57-A50F-FFF0D133E4E3@kernel.crashing.org>
Kumar Gala wrote:
>
> On Oct 22, 2008, at 3:59 AM, Régis Odeyé wrote:
>
>> Hello Everyone,
>> I'm looking for some information about the Extended Addressing Mode
>> (XAEN bit of HID0 register) of PPC32 support in Linux.
>> I do not see anything in the main kernel tree but there may be some
>> patches available ?
>> Any information will be appreciate.
>> Regards.
>
> There are patches from Becky Bruce that are going into 2.6.28. What
> are you needing >32-bit for? There are some SW IO MMU changes that
> are still pending to complete this work.
>
> - k
We are developing a board based on Freescale 8641D which can get 4GB of
ram. So I need 4GB+IOs (~1GB) of physical addressing space.
My plan is to put a part of this ram above of 4GB to keep accesses to
the IOs below the 4GB limit. It means non-contiguous ram addressing and
XAEN features to be working.
Where can I glance through Becky patches ?
--
Régis ODEYE
Kontron Modular Computers SA
150, rue M. Berthelot / ZI Toulon Est / BP 244 / Fr 83078 TOULON Cedex 9
Phone: (33) 4 98 16 34 86 Fax: (33) 4 98 16 34 01
E-mail: regis.odeye@kontron•com Web : www.kontron.com
next prev parent reply other threads:[~2008-10-22 12:59 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-22 8:59 Extended Addressing Mode Régis Odeyé
2008-10-22 12:31 ` Kumar Gala
2008-10-22 12:59 ` Régis Odeyé [this message]
2008-10-22 13:08 ` Kumar Gala
2008-10-22 13:40 ` Régis Odeyé
2008-10-22 13:42 ` Matt Sealey
2008-10-22 14:06 ` Kumar Gala
2008-10-22 14:19 ` Matt Sealey
2008-10-22 14:58 ` Kumar Gala
2008-10-22 18:11 ` Matt Sealey
2008-10-22 19:59 ` Becky Bruce
2008-10-22 22:18 ` Matt Sealey
2008-10-22 14:22 ` Matt Sealey
2008-10-22 14:59 ` Kumar Gala
2008-10-22 18:25 ` Matt Sealey
2008-10-22 14:18 ` Régis Odeyé
2008-10-22 22:11 ` Benjamin Herrenschmidt
2008-10-22 22:21 ` Matt Sealey
2008-10-22 22:48 ` Benjamin Herrenschmidt
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=48FF23C4.5030408@kontron.com \
--to=regis.odeye@kontron$(echo .)com \
--cc=galak@kernel$(echo .)crashing.org \
--cc=linuxppc-dev@ozlabs$(echo .)org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox