From: Tejun Heo <htejun@gmail.com>
To: Jonathan Bastien-Filiatrault <joe@dastyle.net>
Cc: jgarzik@pobox.com, linux-ide@vger.kernel.org
Subject: Re: Enabling AHCI on ICH7 without BIOS support
Date: Thu, 16 Aug 2007 22:19:24 +0900 [thread overview]
Message-ID: <46C44EDC.6050904@gmail.com> (raw)
In-Reply-To: <46C44A05.9040302@dastyle.net>
Jonathan Bastien-Filiatrault wrote:
> So far, I have managed to patch up the AHCI driver to initialize the
> ICH7 AHCI state machine as the BIOS would do (as per the AHCI spec
> instructions). This involves mapping ABAR and such. So far, I have
> gotten the AHCI driver to detect the chip properly, but it does not
> detect any drives. It looks like I will need to further initialize the
> chip. I think there might be a chance of success, but it will involve
> manually specifying which ports are present via a module parameter.
You probably need to program PCS.
--
tejun
next prev parent reply other threads:[~2007-08-16 13:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-14 13:09 Enabling AHCI on ICH7 without BIOS support Jonathan Bastien-Filiatrault
2007-08-16 12:23 ` Tejun Heo
2007-08-16 12:58 ` Jonathan Bastien-Filiatrault
2007-08-16 13:19 ` Tejun Heo [this message]
2007-08-19 1:44 ` ISHIKAWA Mutsumi
2007-08-19 5:34 ` Tejun Heo
2007-08-19 6:56 ` Török Edwin
2007-08-19 8:07 ` Tejun Heo
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