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From: David Gwynne (lokianimata.net)
Date: Sun Sep 05 2010 - 19:57:53 CDT
On 06/09/2010, at 9:04 AM, Sevan / Venture37 wrote:
> Is there any reason why OpenBSD (same behaviour is exhibited on
> FreeBSD) uses the 82801HBM sata controller in SATA mode when the
> controller support AHCI mode on the MacBookPro1,3?
> dmesg, pcidump & acpidump output here:
the "bios" doesnt configure the chip correctly to be usable by ahci, therefore
we do not attach to it.
it is theoretically possible for the kernel to reconfigure it as an ahci
device (despite the doco saying it is the sole responsibility of the bios to
do that config), but all my attempts so far have failed.