There is a future proposal to deal with SATAPI devices.
It has to do with the features register having a bit set to define
direction of IO for the PHY.
Expect a proposal to be public in 2-6 months, my best guess.
Obviously I am talking about things that do not exist today again, sorry.
-a
On Thu, 31 Jul 2003, Bartlomiej Zolnierkiewicz wrote:
>
> On Thu, 31 Jul 2003, Marcelo Penna Guerra wrote:
>
> > Hi,
>
> Hi,
>
> > I don't know if anyone is working on this, but I merged the changes from
> > siimage 1.06 present in 2.4.x to 2.6.0-test2. I'm really not very familiar
> > with the IDE code, so it's probably a good idea if someone could take a look
> > at it. All I can tell is it's working with the SiI3112A present in my
> > motherboard and it's a lot more stable than before.
>
> Thanks, I'll take a look.
>
> What do you mean by "a lot more stable than before"?
>
> > I also added the suggestion from Andre to make the driver not care about cable
> > detection and found a possible bug in the 2.4.x code.
>
> Can you separate your changes from forward-port?
>
> > In 2.4.22-pre9:
> >
> > if (!is_sata(hwif))
> > hwif->atapi_dma = 1;
> >
> > and DMA is not enabled by default.
>
> This means that if this is a SATA controller DMA shouldn't be
> enabled on ATAPI devices. There are probably some reasons to do this.
>
> > I think it should be:
> >
> > if (is_sata(hwif))
> > hwif->atapi_dma = 1;
> >
> > With this DMA is enabled by default on my board and works great.
>
> Are you aware of side effect?
> [ Disabling DMA on ATAPI devices on SiI680. ]
>
> Please consult this change with Alan :-).
>
> > Marcelo Penna Guerra
>
> Regards,
> --
> Bartlomiej
>
>
> -
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