From: Matt Porter <porter@cox.net>
To: Paul Mackerras <paulus@samba.org>
Cc: Matt Porter <porter@cox.net>, linuxppc-embedded@lists.linuxppc.org
Subject: Re: Ebony bootloader
Date: Wed, 12 Jun 2002 03:51:10 -0700 [thread overview]
Message-ID: <20020612035110.A29183@home.com> (raw)
In-Reply-To: <15622.55222.41836.183547@argo.ozlabs.ibm.com>; from paulus@samba.org on Wed, Jun 12, 2002 at 03:10:14PM +1000
On Wed, Jun 12, 2002 at 03:10:14PM +1000, Paul Mackerras wrote:
> Matt Porter writes:
>
> > Read Understanding Linux, Linux Device Drivers, and the
> > documentation in Documentation/ directory. ioremap64()
> > is a version of ioremap() for >32-bit physical address
> > systems (440, 745x).
>
> Incidentally, I don't think we should have ioremap64 or
> ioremap_native, instead ioremap should just take a phys_addr_t. It
> will have to do some handling of truncated addresses from pci drivers
It already does that work.
> but that should be manageable and the interface will be much more
> uniform if we use ioremap everywhere instead of using ioremap,
> ioremap64 and ioremap_native in different places.
Yes, I agree. At the beginning of this, I was thinking that a
different ioremap prototype was going to get us into to compiler
trouble.
Regards,
--
Matt Porter
porter@cox.net
This is Linux Country. On a quiet night, you can hear Windows reboot.
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2002-06-12 10:51 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-11 23:43 Ebony bootloader Khai Trinh
2002-06-12 2:51 ` Matt Porter
2002-06-12 5:10 ` Paul Mackerras
2002-06-12 10:51 ` Matt Porter [this message]
2002-06-12 11:33 ` Khai Trinh
2002-06-15 15:10 ` Matt Porter
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