[SeaBIOS] [patch] Add IDE_TO_AHCI config

[Kevin O'Connor]

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?

-Kevin