Re: [SeaBIOS] UHCI on US15W: Crazy stuff happening

[Peter Stuge]

Matthew Millman wrote:
> This line in usb-uhci.c (reset_uhci()) broke it:
>
> pci_config_writew(bdf, USBLEGSUP, USBLEGSUP_RWC);
>
> According to the US15W datasheet, there is no register at this offset,
> there does seem to be something there because it reads 0x0400 after that
> write, but I don't think it's what SeaBIOS is thinking it is...
>
> USB Keyboard is working. Woohoo!

Yay! Please send a patch. It may not go in as-is, but it's a good
help for looking deeper into the issue.

//Peter

UHCI on US15W: Crazy stuff happening

[Matthew Millman]

A patch which removes that line of code is definitely not the right fix ;-)

I'll try look into the problem a little more and come up with something
nicer.

On Tue, Aug 7, 2012 at 2:56 PM, Peter Stuge  wrote:
> Matthew Millman wrote:
> > This line in usb-uhci.c (reset_uhci()) broke it:
> >
> > pci_config_writew(bdf, USBLEGSUP, USBLEGSUP_RWC);
> >
> > According to the US15W datasheet, there is no register at this offset,
> > there does seem to be something there because it reads 0x0400 after that
> > write, but I don't think it's what SeaBIOS is thinking it is...
> >
> > USB Keyboard is working. Woohoo!
>
> Yay! Please send a patch. It may not go in as-is, but it's a good
> help for looking deeper into the issue.
>
> //Peter
>
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