Kevin O'Connor has posted comments on this change. ( https://review.coreboot.org/19690 )
Change subject: src/southbridge/i82801gx: Include a default SeaBIOS config file
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Patch Set 1:
> The ICH changes the device ID depending on the AHCI vs. IDE
> setting.
If this device supports AHCI, then I'd recommend AHCI mode be used exclusively.
> For the mentioned IDs, we can be sure that it's an SATA port on the
> ICH (if combined mode is off). Though I have no idea how to detect
> if it's a PATA drive attached to an SATA port (if that is what you
> mean by SATA bridge).
It is.
> Also I'm wondering how that'd work if the
> con-
> troller is in AHCI mode.
See SeaBIOS commit 3f478b9f. As I understand it, the problem with ATA is that negotiating the DMA mode is controller specific, while it's a standard on AHCI. However, it's been a long time since I've looked at this.
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Gerrit-Change-Id: I6a6e79ea6cd0a14070b8092aefa477b9e3a0c4b1
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