From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: PCI SATA controllers on embedded, no-BIOS targets Date: Wed, 23 Aug 2006 02:31:28 +0900 Message-ID: <44EB3F70.6000702@gmail.com> References: <44EB32E4.8080706@mvista.com> <44EB33BB.4090101@gmail.com> <44EB3650.1080404@mvista.com> <44EB3E2F.4040504@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from nf-out-0910.google.com ([64.233.182.189]:25927 "EHLO nf-out-0910.google.com") by vger.kernel.org with ESMTP id S932309AbWHVRbk (ORCPT ); Tue, 22 Aug 2006 13:31:40 -0400 Received: by nf-out-0910.google.com with SMTP id o25so116878nfa for ; Tue, 22 Aug 2006 10:31:37 -0700 (PDT) In-Reply-To: <44EB3E2F.4040504@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: Kevin Hilman , linux-ide@vger.kernel.org, Deepak Saxena Tejun Heo wrote: > Kevin Hilman wrote: >> Tejun Heo wrote: >>> Kevin Hilman wrote: >>>> I have a Silicon Images 3112 PCI card on an XScale IXP425 platform. >>>> The card works well in a PC, but I haven't got it to work in on the >>>> ARM platform. On the PC, I see the cards BIOS executed and am >>>> guessing that since this can't happen on the ARM, that's why things >>>> aren't working. >>>> >>>> The card is at least detected on the ARM, and the driver tries to >>>> probe for devices, but times out an moves on. >>>> >>>> Before I debug this too deeply, I want to make sure this should work >>>> on embedded boards, even without the BIOS execution. >>> >>> sil3112 works fine w/o any BIOS initialization. >>> >> >> I'm curious what platforms this has been tested. Any non-x86 >> platforms? Any big endian platforms? >> >> Thanks for the quick response. > > I've personally seen it working on XScale and ATI's mips. For the record, for ATI's new mips platform, sata_sil needs some modifications. Their PCI bridge can't handle byte-aligned mmio and the driver had to be modified to use IO address space. -- tejun