From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E31E4C83004 for ; Wed, 29 Apr 2020 21:29:54 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B440620787 for ; Wed, 29 Apr 2020 21:29:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="doDJrWD3"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="gXPH7oCr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B440620787 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lunn.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=+sjH8moBtLIjOyMCcB4hkU9aADQ3vCWCUiV6Z6fXwHU=; b=doDJrWD3KQQbWH 1hj0fjoHiHwS2267Ax/2vxxa14dOko4uKcq2HJFRZCAYwOMAHKAZJ4rC1CiH8UK3tpEP/ZHlThL+C aVVrDUcTXCVRCsIJj7JJ9ejzEbfBmhHPGOtmEas/2jfgzzBZMWiXV3uueP3xIhYA0le/ZDBzFDBmO UvpOrewN3L6gnu4xqcgS/y/2QcXPa5a2UBP8agmTBxIIkAqKO+ph/kthnCJXM5h21SP5IGSQD20Ex ypOVhaeXoFGEgmGHMm/6+yaAQvwyDjTEcq6ElXHIEMuTccXQRCuwqEod7dD07N0XvOcyo4mTtOa7Z SXZaFH/OUx6pYvQuXFNQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTuH4-0007mw-Tv; Wed, 29 Apr 2020 21:29:46 +0000 Received: from vps0.lunn.ch ([185.16.172.187]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTuH2-0007lX-Vx; Wed, 29 Apr 2020 21:29:46 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=ehAF5VJKlo6UElUpdCPqKU/hhwZxb3s8IJbl7lMP8jU=; b=gXPH7oCruVVWWeaOWFGwA4pm/n QF4m36glwEcwVh2Bb98/eY9snKBd52heUHGFf8+aXqtVT3WG82JcyjGkWkh77WdwqoUpMgUd0/My9 e+cpUxQc/kkL5FJhrsZsuafeuFua40IXiztBYAzYe8OvgYyTbPnfFnu7U+qSNEt7Q9C0=; Received: from andrew by vps0.lunn.ch with local (Exim 4.93) (envelope-from ) id 1jTuGr-000KLe-7W; Wed, 29 Apr 2020 23:29:33 +0200 Date: Wed, 29 Apr 2020 23:29:33 +0200 From: Andrew Lunn To: Martin Blumenstingl Subject: Re: [PATCH RFC v2 00/11] dwmac-meson8b Ethernet RX delay configuration Message-ID: <20200429212933.GA76972@lunn.ch> References: <20200429201644.1144546-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200429201644.1144546-1-martin.blumenstingl@googlemail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200429_142945_028875_45ECA3B4 X-CRM114-Status: UNSURE ( 6.68 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, f.fainelli@gmail.com, jianxin.pan@amlogic.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, linux-amlogic@lists.infradead.org, davem@davemloft.net, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org > - Khadas VIM2 seems to have the RX delay built into the PCB trace > length. When I enable the RX delay on the PHY or MAC I can't get any > data through. I expect that we will have the same situation on all > GXBB, GXM, AXG, G12A, G12B and SM1 boards Hi Martin Can you actually see this on the PCB? The other possibility is that the bootloader is configuring something, which is not getting overridden when linux starts up. Andrew _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic