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Date: Mon, 10 Dec 2007 08:36:40 +0300
From: "Andrey V. Elsukov" <bu7cher@yandex.ru>
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Cc: freebsd-hackers@freebsd.org, Gary Corcoran <gcorcoran@rcn.com>
Subject: Re: Overlap in PCI memory ranges
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Coleman Kane wrote:
> Also, the mem resources of the SATA controller are used for AHCI
> (however, PATA compatibility mode is supported using the port ranges,
> which is what the controller is forced to do). In addition, the device
> name string on the SATA controller is only there because I've been
> fooling with ata-chipset.c (to unsuccessfully attempt to get AHCI
> working). Reading the MMIO registers in AHCI mode seems to produce

Do you have some patches for ata(4)? I don't see in the clean
sources where driver can allocate a memory resources for the ATI.
As i see from your dmesg driver doesn't use AHCI.

> situation (a single port SATA controller on a laptop). This is supposed
> to read a bitmap of the enabled ports on the SATA controller.

Please, show your `pciconf -l`. And if you have some patches, show
their.

-- 
WBR, Andrey V. Elsukov