From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Mon, 09 Nov 2015 18:33:40 +0100 (CET) Received: from mail-lb0-f182.google.com ([209.85.217.182]:33945 "EHLO mail-lb0-f182.google.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S27013115AbbKIRdhqonDD (ORCPT ); Mon, 9 Nov 2015 18:33:37 +0100 Received: by lbbwb3 with SMTP id wb3so104059243lbb.1 for ; Mon, 09 Nov 2015 09:33:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cogentembedded_com.20150623.gappssmtp.com; s=20150623; h=subject:to:references:cc:from:organization:message-id:date :user-agent:mime-version:in-reply-to:content-type :content-transfer-encoding; bh=NuMwCPT02zz0vbUQYhXaGuNqz6OOlvdZnlIgKIwulGQ=; b=gy36C0t6K1VVG8PImutHSBHZdepwyEz+nr33sYY0B95PD+xcPJTH35eEqcdhPVS4vc ZwZD7XGu8VE4OoY6Ikb/J6BUHgKyXOEfOlPbFdCI+F90++xTA1efAcGMpBC6al1E0xYT b+3FZcuj4SO6HNTlvVrFQHb9rAkwog76T8i6NNfuVrR83Wu0xatYJd61Ym1aQrrTAf0w SSEriiHoO/oSqk5nxUVBP9KMntt3w6Kmrtaq+RrhKfIQNx+djheWA/fB5SZz5sm2M2ru wmyFEL5zJE64e4CZzzpIq2Fu70Nx9zdVJeJS7b3Mjua0XJm0QQcE3sWXgXR4cD1uGDmH EVaQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:cc:from:organization :message-id:date:user-agent:mime-version:in-reply-to:content-type :content-transfer-encoding; bh=NuMwCPT02zz0vbUQYhXaGuNqz6OOlvdZnlIgKIwulGQ=; b=HBC+OIfal4SgincxM0DnwmmEGHYk5E1AGFHFBPG2RYGQxMmMPj3PpS3oQJLqzfBbcd BMDs4UzD3AaiIzy6b+qM3YHeIERC+KIDF0xVJI+6WqS/KpAqZbHAnsNhMT2WdEtYZKCn nk71CUAYvXtPmedVL2CTwnWzVmGlQT/EpPjwDKJT1pNRcjHexK5DlezF2G3DUA+U8ULG S+B5qz+phbenRk+TfUdenxNDZN2eOXzB1Xm6ubeQUX3furO7sJCqvduI4B7Uon4spajB UiAZ7+y4tyvQA32T/x1o4uGEm7AB16k6dm+Lyo5OI5ef2J/pbz+3EQegiYpSr/mT06BJ nvfA== X-Gm-Message-State: ALoCoQkcIir9Pm4ZLqqP8YSv7otujfren2H9hTCUEsRt8bzzGrvLzWb/qQ0ZMfFeZ0/fnamAV/g/ X-Received: by 10.112.184.196 with SMTP id ew4mr14810968lbc.17.1447090411964; Mon, 09 Nov 2015 09:33:31 -0800 (PST) Received: from wasted.cogentembedded.com ([195.16.110.94]) by smtp.gmail.com with ESMTPSA id j83sm2538953lfi.47.2015.11.09.09.33.30 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 09 Nov 2015 09:33:30 -0800 (PST) Subject: Re: [PATCH] mips: sb1250_swarm_defconfig: disable IDE subsystem To: "Maciej W. Rozycki" , Ralf Baechle References: <1442245918-27631-1-git-send-email-b.zolnierkie@samsung.com> <1442245918-27631-16-git-send-email-b.zolnierkie@samsung.com> <20151109144932.GE22591@linux-mips.org> Cc: Bartlomiej Zolnierkiewicz , linux-mips@linux-mips.org, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org From: Sergei Shtylyov Organization: Cogent Embedded Message-ID: <5640D8E9.7080808@cogentembedded.com> Date: Mon, 9 Nov 2015 20:33:29 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 49878 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: sergei.shtylyov@cogentembedded.com Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips Hello. On 11/09/2015 07:18 PM, Maciej W. Rozycki wrote: >>> I can check if things still work correctly when routed through libata, >>> although it'll have to wait a couple of weeks yet at the least as I have >>> wired my SWARM for hardware debugging, making it not immediately bootable >>> and I'll be departing soon (i.e. I have no time for complicated fiddling). >>> The host driver itself is actually in arch/mips/sibyte/swarm/platform.c >>> BTW. >>> >>> Note to self: it would be nice if physical rather than virtual MMIO >>> addresses were reported too. >> >> Part of the problem is that everybody who is serious about using a Swarm >> is using PCI PATA/SATA card, so this part receives very little TLC. I >> btw. can't test because the controller on my Pass 2 board is broken ... > > I think I've been reasonably serious about my SWARM and despite issues > elsewhere the onboard PATA interface is a part of the system I've never > had any with. Yes, it's limited to PIO 3, but it's not a big deal, that's > still 11MB/s (and one of the 4 generic data movers present in the SoC If you measure it with something like 'hdparm -t', the real speed figures in the PIO modes would disappoint you. It's usually more like 3 MB/s even in PIO4... > could be used as a DMA engine to offload the CPU if anyone bothered > implementing that in the HBA driver). Oh, that's nice! MBR, Sergei