From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Martin K. Petersen" Subject: Re: Some IDE issues with 2.6.28 on PC-Engines ALIX2 Date: Mon, 05 Jan 2009 13:44:19 -0500 Message-ID: References: <49615667.9020408@iwl.com> <496200A3.2000906@ru.mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from rcsinet14.oracle.com ([148.87.113.126]:55276 "EHLO rgminet14.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753830AbZAESxe (ORCPT ); Mon, 5 Jan 2009 13:53:34 -0500 Received: from rgminet13.oracle.com (rcsinet13.oracle.com [148.87.113.125]) by rgminet14.oracle.com (Switch-3.3.1/Switch-3.3.1) with ESMTP id n05ItccT021385 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 5 Jan 2009 18:55:40 GMT In-Reply-To: <496200A3.2000906@ru.mvista.com> (Sergei Shtylyov's message of "Mon\, 05 Jan 2009 15\:44\:19 +0300") Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Sergei Shtylyov Cc: "Martin K. Petersen" , Karl Auerbach , linux-ide@vger.kernel.org, karl@cavebear.com >>>>> "Sergei" == Sergei Shtylyov writes: >> The driver was developed on a Soekris net5501. To my knowledge it's >> working fine on ALIX boards. If that's not the case there may be a >> problem with the ALIX BIOS VSA PCI config space emulation. In that >> case you can load the driver with msr=1 to force it to program the >> IDE function using machine specific registers instead of relying on >> PCI. >> Sergei> It's stange that the driver is using CPI config. space by Sergei> default which not even documented in the datasheet. Using PCI config space was explicitly requested by AMD for the reasons Alan pointed out. -- Martin K. Petersen Oracle Linux Engineering