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From: DeLaGarza, Robert <robdlg@att.net>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] What are IBAT and DBAT?
Date: Mon, 28 Jun 2004 00:28:41 -0700	[thread overview]
Message-ID: <40DFC8A9.6080506@att.net> (raw)
In-Reply-To: <20040628062500.214.qmail@web20703.mail.yahoo.com>

Shawn wrote:
> 3. Can IBAT and DBAT be modified dynamically? For example, if I want to
> access 0x70000000 ~ 0x78000000 temporarily, which is not defined in
> configuration header file, can I change the configuration of one of IBAT
> and DBAT pair, e.g. ibat2 and dbat2?
> 

The Broadcom BMW board is based on the MPC8245, and it accesses part of 
that region of memory.  You should use that code as an example.

However, I should note that, in U-Boot 1.0.0, the file 
"board/bmw/early_init.S" does not contain a GPL header.

-Robert DeLaGarza

  parent reply	other threads:[~2004-06-28  7:28 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
2004-06-28  7:28 ` DeLaGarza, Robert [this message]
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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