From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Subject: Re: Marvel PMP SATA controller Date: Thu, 30 Sep 2010 09:39:57 -0400 Message-ID: <4CA4932D.6040501@teksavvy.com> References: <4CA2E33B.70001@gmail.com> <4CA399FD.6030904@teksavvy.com> <4CA3A27B.3030906@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from ironport2-out.teksavvy.com ([206.248.154.181]:36304 "EHLO ironport2-out.pppoe.ca" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751907Ab0I3NkE (ORCPT ); Thu, 30 Sep 2010 09:40:04 -0400 In-Reply-To: <4CA3A27B.3030906@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Richard Cc: linux-ide@vger.kernel.org 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