Re: [SeaBIOS] [patch] Add IDE_TO_AHCI config

[Chuang, Alex]

On Mon, May 30, 2011 at 02:44:21PM +0800, Chuang, Alex wrote:
> > Hi,
> >
> > I add one config 'IDE_TO_AHCI' in 'src\Kconfig' and modify

'src\ata.c'.
> > Please help me to review and check-in.
> >
> > This 'IDE_TO_AHCI' function can let SeaBIOS handle AHCI controller

as
> > IDE controller when 'ATA' enable, and also let Windows OS to load

AHCI
> > inbox driver or chipset vender's AHCI driver. In other words, it

means
> > that SATA Hard Disk ran as IDE mode in SeaBIOS but AHCI mode in

Windows
> > OS.
>
> Can all SATA controllers be run in IDE mode?  If not, how can one know
> which SATA controller supports the mode?

Not all SATA controllers can be run in this mode.
That's why I set 'IDE_TO_AHCI' default to disable.
I only confirm it's working with AMD's SATA controller.

Best regards,
Alex