From owner-freebsd-net@FreeBSD.ORG Fri Mar 13 02:58:34 2015 Return-Path: <owner-freebsd-net@FreeBSD.ORG> Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id E7713DD8 for <freebsd-net@freebsd.org>; Fri, 13 Mar 2015 02:58:33 +0000 (UTC) Received: from mail-pa0-x232.google.com (mail-pa0-x232.google.com [IPv6:2607:f8b0:400e:c03::232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id AF14699C for <freebsd-net@freebsd.org>; Fri, 13 Mar 2015 02:58:33 +0000 (UTC) Received: by padet14 with SMTP id et14so25753196pad.0 for <freebsd-net@freebsd.org>; Thu, 12 Mar 2015 19:58:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:date:to:cc:subject:message-id:reply-to:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; bh=o53b+4EwRIC4Nnp89ad7S9CretRBqgaPURq7j1esFqA=; b=YWoUwaUwzNwucoe5dsGsAJ/lpwBOkXv8M9IRbBBYj9gra4uO74yMHmGVloittJyaf+ XGGyxDCDNdG7D4Xgi+BmdUccp9JeLyS1cXNJ/0UFsTIEqPyG/9hM1h8IXIphMuhaxsAO JaFnv5CczZPYzOT16jzndGfYf5kG/S2h6X6NGZD8wIQeU8yBhhY8asxjhbBUC/+0INil 3xhzG8YN64Pz3eRyfiUTqOrvWwzrCdxlZwX2CYF9cBsbqzV+SdGdMduB/eKVVkbsPCz2 wu4B30rV13waXsqPGXZAzOWwCXI8wM1RPw82bL4OCejSlByQShx+67t8iXWyPcPe+3oI +4Ow== X-Received: by 10.66.129.198 with SMTP id ny6mr63272155pab.67.1426215513349; Thu, 12 Mar 2015 19:58:33 -0700 (PDT) Received: from pyunyh@gmail.com ([106.247.248.2]) by mx.google.com with ESMTPSA id oq7sm707418pac.32.2015.03.12.19.58.29 (version=TLSv1 cipher=RC4-SHA bits=128/128); Thu, 12 Mar 2015 19:58:31 -0700 (PDT) From: Yonghyeon PYUN <pyunyh@gmail.com> X-Google-Original-From: "Yonghyeon PYUN" <yongari@> Received: by pyunyh@gmail.com (sSMTP sendmail emulation); Fri, 13 Mar 2015 11:58:22 +0900 Date: Fri, 13 Mar 2015 11:58:22 +0900 To: Matt Dooner <dclscratch@gmail.com> Subject: Re: cpsw/atphy network drivers Message-ID: <20150313025822.GA4447@michelle.fasterthan.com> Reply-To: pyunyh@gmail.com References: <CAJi99x3QuM2rh4OZBJMCSB3+U2Gkaqh6EUiax54PV8cR5ZxaWg@mail.gmail.com> <20150309061926.GA975@michelle.fasterthan.com> <CAJi99x2a-+QRtfq=9utOWpxG1cUZTgiFhTv7Q10zHCMecUGRyg@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <CAJi99x2a-+QRtfq=9utOWpxG1cUZTgiFhTv7Q10zHCMecUGRyg@mail.gmail.com> User-Agent: Mutt/1.4.2.3i Cc: freebsd-net@freebsd.org X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org> List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-net>, <mailto:freebsd-net-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net/> List-Post: <mailto:freebsd-net@freebsd.org> List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>, <mailto:freebsd-net-request@freebsd.org?subject=subscribe> X-List-Received-Date: Fri, 13 Mar 2015 02:58:34 -0000 On Thu, Mar 12, 2015 at 01:17:12PM +0000, Matt Dooner wrote: > Hello, > > Thank you for your reply. Confirming the link configuration was a good > exercise, but I think I've been able to rule it out as the issue. > 100baseTX <half-duplex> appears to be the configuration request by the > switch the board was plugged into. I have connected the 335x board > directly to two other systems (windows and freebsd) and the correct > configuration is negotiated when either or both are set to auto (If I > change the configuration on one machine the other updates its > configuration accordingly). I have also tested setting the link > manually on both systems. I have also confirmed that my two other > systems can connect with each other and the switch. > > I've connected the 335x board directly to another FreeBSD 10.1 > (desktop) system. The desktop uses the fxp-miibus-inphy driver combo. > I ifconfig 192.168.0.1 255.255.255.0 and ifconfig 192.168.0.2 > 255.255.255.0 each system respectively. I also setup default routes > between them. When I create traffic (ping) on either machine I see the > following incremented on the 335x: > > dev.cpsw.0.stats.GoodTxFrames: 64 > dev.cpsw.0.stats.BroadcastTxFrames: 64 > dev.cpsw.0.stats.RxTx65to127OctetFrames: 64 > > and on the desktop: > > dev.fxp.0.status.tx.good_frames: 3 > > All other stats on both the 335x and desktop are zero. Good to know you've solved the issue. > > I am able to follow similar steps to build a working network between > the desktop and a windows laptop. > > Do you know if atphy(4) has been previously tested to work on the > AR8033 or even the AR8031? miidevs only has an entry for AR8021. I've No I'm not aware of that. > only found limited information about the PHY being used, but its from > OpenBSD and the wrong cpu type. These is also a note in the change > logs about this hardware "Added atphy(4) to armv7, for the Atheros > AR8031 phys in the AM335x starter kit." > (http://www.openbsd.org/plus57.html) > > openbsd-current > sys\arch\armv7\imx\imxenet.c: > 466: case BOARD_ID_IMX6_WANDBOARD: /* AR8031 */ > 467 /* disable SmartEEE */ > 468 imxenet_miibus_writereg(dev, phy, 0x0d, 0x0003); > ... > 472 imxenet_miibus_writereg(dev, phy, 0x0e, reg & ~0x0100); > 473 > 474: /* enable 125MHz clk output for AR8031 */ > 475 imxenet_miibus_writereg(dev, phy, 0x0d, 0x0007); > 476 imxenet_miibus_writereg(dev, phy, 0x0e, 0x8016); > > important configure pin mux and work mode to RGMII mode." > > It seems that some additional driver development will likely be required. > I don't have datasheet for AR8031/AR8033 PHYs so I'm not sure whether it's doable to apply PHY config magic above to atphy(4). I'm under the impression that AR8031/AR8035 may have some other special registers that report resolved speed/duplex and it shall require a new PHY driver. Linux seems to have slightly better comment for those PHYs though.