From: "M. Warner Losh" <imp@bsdimp.com>
To: macro@linux-mips.org
Cc: florian.fainelli@telecomint.eu, linux-mips@linux-mips.org
Subject: Re: early_ioremap for MIPS
Date: Sun, 10 Feb 2008 15:44:01 -0700 (MST) [thread overview]
Message-ID: <20080210.154401.1655407815.imp@bsdimp.com> (raw)
In-Reply-To: <Pine.LNX.4.64N.0802081058350.7017@blysk.ds.pg.gda.pl>
In message: <Pine.LNX.4.64N.0802081058350.7017@blysk.ds.pg.gda.pl>
"Maciej W. Rozycki" <macro@linux-mips.org> writes:
: On Thu, 7 Feb 2008, Florian Fainelli wrote:
:
: > Is there any need for early_ioremap on MIPS ? Seems like only x86_64 is
: > implementing it for now.
:
: There is hardly any need as generally KSEG0/KSEG1 and XPHYS mappings
: fulfil the need and are always available, even before paging has been
: initialised. Some 32-bit systems with devices outside low 512MB of
: physical address space could potentially benefit though. I recall some
: Alchemy systems may fall into this category.
The Acer Pica machines, as well as the Deskstation Tynes, had devices
mapped outside of this range... Of course Ralf will be able to say
more, if he chooses to jump into the way-back machine...
Warner
next prev parent reply other threads:[~2008-02-10 22:47 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-07 18:32 early_ioremap for MIPS Florian Fainelli
2008-02-08 11:05 ` Maciej W. Rozycki
2008-02-08 12:28 ` Thomas Bogendoerfer
2008-02-08 14:44 ` Ralf Baechle
2008-02-08 15:03 ` Maciej W. Rozycki
2008-02-10 22:44 ` M. Warner Losh [this message]
2008-02-11 10:27 ` Maciej W. Rozycki
2008-02-12 14:48 ` Ralf Baechle
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=20080210.154401.1655407815.imp@bsdimp.com \
--to=imp@bsdimp.com \
--cc=florian.fainelli@telecomint.eu \
--cc=linux-mips@linux-mips.org \
--cc=macro@linux-mips.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
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