[coreboot] More v3 quesions

[ron minnich]

On Thu, Oct 23, 2008 at 5:30 PM, Corey Osgood <corey.osgood at gmail.com> wrote:
> I've got a few more questions that I could probably figure out answers to by
> testing, but hopefully it's easier just to ask:
>
> * If a device is defined in the dts, but disabled during
> phase4_enable_disable which renders the device hidden, what will/should v3
> do?

the device should end up not even being found. marc felt that
phase4_enable_disable was ill-defined and we are working on making
this clearer.

>
> * If another device appears where the disabled device should have been (in
> this case, the ide controller is now where sata used to be), what should
> happen? Will the ide controller's config (that was intended for another
> location) be used? In this case, it's D10F0 and F1.
>

It should not because the devid and vendor id should not match.

> * phase4_enable_disable passes the actual device it's enabling/disabling,
> right?

yes.

>
> * What's the format of devfn (as in dev->path.pci.devfn)? dev << 4 |
> function?
>

dev <<3 | fn

ron