From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: PCI SATA controllers on embedded, no-BIOS targets Date: Fri, 08 Sep 2006 09:29:36 -0700 Message-ID: <45019A70.9060601@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> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from gateway-1237.mvista.com ([63.81.120.158]:53465 "EHLO gateway-1237.mvista.com") by vger.kernel.org with ESMTP id S1750847AbWIHQ3n (ORCPT ); Fri, 8 Sep 2006 12:29:43 -0400 In-Reply-To: <45011B44.3060101@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: Jeff Garzik , linux-ide@vger.kernel.org Tejun Heo wrote: > Jeff Garzik wrote: >> 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. Kevin