From: Shawn <shawnxtech@yahoo.com>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] What are IBAT and DBAT?
Date: Mon, 28 Jun 2004 13:08:32 -0700 (PDT) [thread overview]
Message-ID: <20040628200832.43064.qmail@web20727.mail.yahoo.com> (raw)
In-Reply-To: <20040628070143.17635C109F@atlas.denx.de>
> > When trying to port u-boot to a MPC8245 card, I'm not sure what IBAT
> and
> > DBAT register work for. For example, sl8245.h defines 4 regions of
> IBAT:
>
> If you have to ask such a question this is an indication that you
> don't have the qualification to port U-Boot. When dealing with
> software on such a low level as the boot loader you need a thorough
> understanding of the hardware and it's internal workings. Without
> this you are lost.
:(. You didn't answer the questions though. I'm learning from practice. I
don't recall I touched any IBAT/DBAT configuration when I ported ppcboot
to a MPC855 board. So configuring them seems new to me.
Thank other guys here for giving me hints and references.
-Shawn.
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next prev parent reply other threads:[~2004-06-28 20:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-28 6:25 [U-Boot-Users] What are IBAT and DBAT? Shawn
2004-06-28 7:01 ` Wolfgang Denk
2004-06-28 20:08 ` Shawn [this message]
2004-06-28 7:28 ` DeLaGarza, Robert
2004-06-28 15:09 ` Frank
2004-07-10 23:16 ` Wolfgang Denk
2004-06-28 10:44 ` Sangmoon Kim
-- strict thread matches above, loose matches on Subject: below --
2004-06-28 7:38 Mészáros Lajos
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