From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: PCI SATA controllers on embedded, no-BIOS targets Date: Fri, 08 Sep 2006 20:40:56 +0400 Message-ID: <45019D18.7080700@ru.mvista.com> References: <44EB32E4.8080706@mvista.com> <44EB33BB.4090101@gmail.com> <44EB3650.1080404@mvista.com> <44EB3E2F.4040504@gmail.com> <44EB3F70.6000702@gmail.com> <44EB40DA.3010904@mvista.com> <44EB4658.3060207@gmail.com> <44EB7E13.5090807@mvista.com> <44EBCA7D.60808@gmail.com> <4500A5D4.50606@mvista.com> <4500CB75.6050504@garzik.org> <45011B44.3060101@gmail.com> <45019A70.9060601@mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from gateway-1237.mvista.com ([63.81.120.155]:7390 "EHLO imap.sh.mvista.com") by vger.kernel.org with ESMTP id S1750767AbWIHQiv (ORCPT ); Fri, 8 Sep 2006 12:38:51 -0400 In-Reply-To: <45019A70.9060601@mvista.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Kevin Hilman Cc: Tejun Heo , Jeff Garzik , linux-ide@vger.kernel.org Hello. Kevin Hilman wrote: >>>>I've now been using a patched sata_sil driver for a while to support PCI >>>>IO space on my embedded ARM target. Do you have any plans of pushing >>>>support for this upstream? >>>MMIO doesn't work at all? >>>I'm a bit reluctant to push this into mainline, particularly when I >>>feel that the sata_sil driver could still be updated to use only >>>32-bit MMIO transactions without much problem. >>Hello, Kevin, Jeff. >>IIRC, Kevin's platform can't do any MMIO. > Actually, this platform (XScale IXP425, big-endian) can do MMIO. I have > an e100 PCI card on this board where the driver is using MMIO. I also > have a Promise Ultra133 PCI card, but not sure if that driver is using > memory space or IO space. The legacy driver uses strictly I/O space; libata one uses MMIO but I guess you haven't tried that one... WBR, Sergei