From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: [2.6 patch] select ATA_SFF Date: Thu, 24 Apr 2008 19:30:08 +0400 Message-ID: <4810A780.9040508@ru.mvista.com> References: <20080421213147.GH2633@cs181133002.pp.htv.fi> <480DE3C4.5@ru.mvista.com> <480DE6F5.8060403@gmail.com> <480DE9E8.2070809@ru.mvista.com> <480DEB1F.5060500@gmail.com> <20080424123541.09e5ef96@the-village.bc.nu> <481080EA.7010107@ru.mvista.com> <20080424152758.789e024c@the-village.bc.nu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from homer.mvista.com ([63.81.120.155]:1080 "EHLO imap.sh.mvista.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1764994AbYDXPas (ORCPT ); Thu, 24 Apr 2008 11:30:48 -0400 In-Reply-To: <20080424152758.789e024c@the-village.bc.nu> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Alan Cox Cc: Tejun Heo , Jeff Garzik , Adrian Bunk , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org Alan Cox wrote: >> If you mean SFF-8038i (which can indeed be named "SFF/Intel"), it >>documents *only* BMDMA. If you mean something else, please be more precise. > It documents where the PIO spaces are mapped, the class codes and then I'd like to know what do you mean by "it" since it's certainly not in 8038i spec I have. > documents the rest by inheriting it from the other specs. That makes it > the definitive spec for PCI "standard" controllers both PIO and DMA and That looks like ""Intel PCI IDE Controller Specification". > it is indeed followed literally by just about every PCI ATA controller > except the CS5520 You probaly mean PC targeted controllers, since quite many non-PC chips do ignore that spec (IOC4, PowerMac, Toshiba SCC)... As for CS5520, what's the deviation here -- BMDMA regisrters at BAR2 only? > Alan MBR, Sergei