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Date: Thu, 21 Feb 2002 04:30:33 +0100
From: Ralf Baechle <ralf@oss.sgi.com>
To: Jun Sun <jsun@mvista.com>
Cc: Matthew Dharm <mdharm@momenco.com>, Linux-MIPS <linux-mips@oss.sgi.com>
Subject: Re: set_io_port_base()?
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In-Reply-To: <3C745B0B.84203D3F@mvista.com>; from jsun@mvista.com on Wed, Feb 20, 2002 at 06:27:23PM -0800
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On Wed, Feb 20, 2002 at 06:27:23PM -0800, Jun Sun wrote:

> This is actually right.  This way if you pass an virtual at
> (mips_io_port_base + delta), you will get a physical address
> (GT_PCI_IO_BASE + delta), the desired place.
> 
> Most boards don't need this funky ioremap() and base addr substraction trick,
> but ocelot has the IO address placed beyond normal kseg1 addressing range.

If you ever think about the value of the the address you're making
something wrong ...

  Ralf