Re: [SeaBIOS] [RFC] [PATCH 1/2] Implement support for transitioning from 16 bit to 32 bit

[Sebastian Herbszt]

Gerd Hoffmann wrote:
> On 11/24/10 19:34, Sebastian Herbszt wrote:
> > Gerd Hoffmann wrote:
> > > Hi,
> > > > Looks like call32 doesn't work when %esp>64K. I hacked a patch (see
> > > > below), but it's quite ugly.
> > >
> > > Does the trick though, at least for grub/syslinux booting from ahci.
> > >
> > > http://cgit.freedesktop.org/~kraxel/seabios/log/?h=ahci
> > >
> > > cheers,
> > > Gerd
> >
> > Should the pci scan in ahci_init() be replaced by an entry in
> > pci_class_tbl?
>
> I don't think so.  That looks like being intended for device specific 
> tweaks in early pci init.

I think some ICH registers should be programmed by the BIOS. So at least
that part should be device specific.

Sebastian