Subject: Re: siop LE only?
To: Ignatios Souvatzis <>
From: Matt Thomas <>
List: tech-kern
Date: 10/07/2001 16:55:25
At 10:45 PM 10/7/2001 +0200, Ignatios Souvatzis wrote:
>as Amiga should eventually move to use the machine-independent drivers
>for siop / osiop (instead of its own amiga/dev/siop.c and amiga/dev/siop2.c),
>I've started reading them.
>I notice that the siop register offset definitions only apply to little endian
>bus modes of the siop chips, e.g. PCI, while the chips in the Amiga (53c770,
>53c710) are connected in big endian chip mode.
>I wonder what to do about this - if it was only for the sake of Amiga, using
>a special bus_space that does translations should work fine. But are there
>any other non-PCI siop out there in NetBSD land, that would need a generic
>solution? Or would they do the same bus_space abusing?

osiop is used in mvme68k...

Matt Thomas               Internet:
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Cupertino, CA             Disclaimer: I avow all knowledge of this message