From: Tom Rini <trini@kernel.crashing.org>
To: Claudia Salzberg <sentinel@jump.net>
Cc: linuxppc-embedded@lists.linuxppc.org
Subject: Re: mapping back to 36 bit physical
Date: Thu, 19 Dec 2002 11:30:35 -0700 [thread overview]
Message-ID: <20021219183034.GH852@opus.bloom.county> (raw)
In-Reply-To: <Pine.LNX.4.33.0212181358270.23138-100000@grandmaster.protagonist.org>
On Wed, Dec 18, 2002 at 02:07:45PM +0600, Claudia Salzberg wrote:
> Greetings.
> How does one go about aquiring the 36-bit physical address on a 440XX if
> you have the corresponding va from an ioremap (when your driver is not
> the one that did the ioremap so that you don't have the pa saved)? ?I see
> that ioremap does support 36-bit I/O mapping but _va and _pa only play
> with unsigned long's. ?So does iopa. ?So do the virt_to_* 's I was able
> to find. ?Also, does anyone have plans for incorporating memory access
> hooks above 4GB address space?
Erm. Have you looked at the code in the linuxppc_2_4_devel tree? I
believe all of these issues have already been addressed.
--
Tom Rini (TR1265)
http://gate.crashing.org/~trini/
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2002-12-19 18:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-18 8:07 mapping back to 36 bit physical Claudia Salzberg
2002-12-19 18:30 ` Tom Rini [this message]
2003-01-06 3:22 ` Matt Porter
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