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
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