From: Richard <tuxbox.guru@gmail.com>
To: Mark Lord <kernel@teksavvy.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: Marvel PMP SATA controller
Date: Thu, 30 Sep 2010 15:03:33 +0100 [thread overview]
Message-ID: <4CA498B5.6090503@gmail.com> (raw)
In-Reply-To: <4CA4932D.6040501@teksavvy.com>
On 30/09/10 14:39, Mark Lord wrote:
> On 10-09-29 04:32 PM, Richard wrote:
>> On 29/09/10 20:56, Mark Lord wrote:
>
>>> What are you trying to do?
>> Hi Mark,
>>
>> Its an embedded device whereby the one HDD I have does not work with
>> the Marvel PMP. I have the command to send to the PMP controller but
>> I am not an officianado with linux SATA(the code I have is from
>> VxWorks) The drive is confirmed working, but the PMP chip does not
>> default to SATA Generation 1, and this HDD is a bit dumb to figure it
>> out :) - so I have to force the PMP controller to Gen1 mode.
>> (I have tons of drives that work just fine, its just this ONE Maxtor
>> drive that is being a pain)
>>
>> The short - I need to write a command to the SATA controller before
>> this HDD can be recognised.
> ..
>
> Does the existing libata parameter take care of it for you?
>
> linux/Documentation/kernel-parameters.txt:
> eg. libata.force=[ID:]1.5" ## replace [ID:] with port[.device] for
> the PMP and/or HD
>
Unfortunately not.. which is why I asked how to write commands directly
on to the SATA bus from kernel space.
Richard
next prev parent reply other threads:[~2010-09-30 14:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-29 6:56 Marvel PMP SATA controller Richard
2010-09-29 19:56 ` Mark Lord
2010-09-29 20:32 ` Richard
2010-09-30 13:39 ` Mark Lord
2010-09-30 14:03 ` Richard [this message]
2010-10-01 0:24 ` Robert Hancock
2010-10-01 6:33 ` Richard
2010-10-01 13:46 ` Mark Lord
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