From: Matt Porter <mporter@mvista.com>
To: Armin <akuster@pacbell.net>
Cc: ppc_devel <linuxppc-dev@lists.linuxppc.org>
Subject: Re: 4xx change to core files
Date: Wed, 8 May 2002 10:51:57 -0700 [thread overview]
Message-ID: <20020508105157.A28846@home.com> (raw)
In-Reply-To: <3CD9560E.9000909@pacbell.net>; from akuster@pacbell.net on Wed, May 08, 2002 at 09:45:02AM -0700
On Wed, May 08, 2002 at 09:45:02AM -0700, Armin wrote:
> The core_ocp[] is don ein the following:
>
> new struct in asm-ppc/ocp.h
>
> struct ocp_def {
> enum ocp_type type;
> int paddr;
> int irq;
> };
};
<snip>
> new ocp APIs:
>
> unsigned long get_ocp_paddr(int type, int dev_num);
> returns the physical address for a given ocp type for the nth one.
> this is used when the mmu is not completely up such as during pci
> bring up.
It would be helpful for 36-bit 4xx core implementations (440gp/440gx)
if the paddr used the phys_addr_t typedef so we could store a
native 64-bit address.
It would appear to me that one would expect to be able to do
the following:
ioremap(get_ocp_paddr(<type>, <num>), <size>);
Is that the intention?
--
Matt Porter
MontaVista Software, Inc.
mporter@mvista.com
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2002-05-08 17:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-08 16:45 4xx change to core files Armin
2002-05-08 17:51 ` Matt Porter [this message]
2002-05-08 19:08 ` Armin
2002-05-08 20:27 ` Matt Porter
2002-05-08 17:52 ` andrew may
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