[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <44D6791F.8030001@drzeus.cx>
Date: Mon, 07 Aug 2006 01:19:59 +0200
From: Pierre Ossman <drzeus-list@...eus.cx>
To: Alan Cox <alan@...rguk.ukuu.org.uk>
CC: Ben Dooks <ben@...ff.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [MMC] Fix base address configuration in wbsd
Alan Cox wrote:
> Ar Sul, 2006-08-06 am 23:52 +0200, ysgrifennodd Pierre Ossman:
>
>> Sorry, my intention wasn't to assert that it was only to be used on x86
>> but that the 16-bit assumption was safe.
>>
>
> Your ISA bus mappings on a non x86 processor are likely to be 32bit MMIO
> -> PIO windows in memory space.
>
>
Since we configure the device, the PIO address must not be subject to
translation. If it is, then we must know how the translation is done.
As this is a rather crappy chip which nobody in their right mind would
use, we'll cross that bridge when/if someone decides to use it in a
system that doesn't behave like x86.
Rgds
Pierre
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists