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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2B61AC61DD9 for ; Sun, 30 Aug 2026 20:57:28 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4hY4FM1XNcz2y2Z; Mon, 31 Aug 2026 06:57:27 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=156.67.10.101 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1788123447; cv=none; b=Cu2TAU7Qh7PwLJWTwECfKVG+KP5BOR/tj6vYaEKInZsXameFvBGsRfBusrav6AV/6YTU0BuVclv4HdR+k0bBNIVEDIBzlJy3dgtlaWIUAxr8skN0l4bSw9coSHZ+Wd348TMyBTxqFaARrEEwD8Dqdf3C8txQmcrodhL1ngjM6xHE/WxWMbRJykGqG7dCvfXyRcIDeLgALrDkgBxdRC+jhUZOf2CcjKML9rQ2Z7n907+MWzlB1vmLOupVYwKaRkdRyXcXTU7P3uDBsw1GnyfaUK6uWegBCQ+61odyW6vGa2SKaDxeHgJvismV46BJd9ag3OlDhhkMP/jly3UIehWMPQ== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1788123447; c=relaxed/relaxed; bh=fvp1pXNe5TqeRLtSD0qiAJjH/t/R2XXpNq+2z1rCEXU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Ciun8iJ4Cb9etJiwhvAoaxg44BS3ZwzUw+aKfCLsGKTTtXEeFLC63Wk++jTVwkZU/BiqQF/xjBViuHCiUrwbvs9RbORz6ty0uXUWVKPbcjdGKFVk+E0N+Et1Ab6IDdUfmi49LRVPbVp77debeyPWjBTkSXWnf9ewyQD/Q+l4QQea/fsXb0PqtmpOU/E+KNaa6ROB0+Xrn0GuO6y5iR8vt7LHeDragHu5QUKBF+2PJsSQi12PZ1rAp6ZQ2rNx+uVpNNjpLx/f1UwTfWcwK9dWevGn8V3YNVkAPTBcSRELorIIUUkGNQ//sDNTI273Rzxw+eiyyt8TUvY68ByfBnVbaQ== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=lunn.ch; dkim=pass (1024-bit key; unprotected) header.d=lunn.ch header.i=@lunn.ch header.a=rsa-sha256 header.s=20171124 header.b=Vjh/aTjJ; dkim-atps=neutral; spf=pass (client-ip=156.67.10.101; helo=vps0.lunn.ch; envelope-from=andrew@lunn.ch; receiver=lists.ozlabs.org) smtp.mailfrom=lunn.ch Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=lunn.ch Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=lunn.ch header.i=@lunn.ch header.a=rsa-sha256 header.s=20171124 header.b=Vjh/aTjJ; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lunn.ch (client-ip=156.67.10.101; helo=vps0.lunn.ch; envelope-from=andrew@lunn.ch; receiver=lists.ozlabs.org) X-Greylist: delayed 2012 seconds by postgrey-1.37 at boromir; Mon, 31 Aug 2026 06:57:24 AEST Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4hY4FJ6qBNz2xwN for ; Mon, 31 Aug 2026 06:57:24 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=fvp1pXNe5TqeRLtSD0qiAJjH/t/R2XXpNq+2z1rCEXU=; b=Vjh/aTjJEGC3nFUNrV6JDgufiv vaTbt6Pkv5qks/+2yHr3qWO9ssIQ9iRuffyV90OaMvgiW0ifnYe2Pg7a4F03VTx/uWY9qVZHKixg0 NV7N/++3Qslszxy654Zlsr/GEnlZhbA2RDY2mHOUyIYOH0Om434kTC0LeTFiMNnsdvrA=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1x0m3l-00254S-3T; Sun, 30 Aug 2026 22:23:21 +0200 Date: Sun, 30 Aug 2026 22:23:21 +0200 From: Andrew Lunn To: Prasanth Kumar Padarthi Cc: Joel Stanley , Andrew Jeffery , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Ryan Chen , Billy Tsai , Andrew Lunn , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 0/2] ARM: dts: aspeed: Add ASRock Rack B650D4U BMC Message-ID: References: <20260830182036.284736-1-prasanth.padarthi10@gmail.com> X-Mailing-List: linux-aspeed@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260830182036.284736-1-prasanth.padarthi10@gmail.com> On Sun, Aug 30, 2026 at 11:50:34PM +0530, Prasanth Kumar Padarthi wrote: > Add device tree support for the ASRock Rack B650D4U BMC, which is > based on the ASPEED AST2600 SoC. > > The series adds the board compatible and describes the BMC memory, > SPI NOR flash layout, UART console, and MAC0 connected to an > RTL8211F Ethernet PHY. > > The MAC0 RGMII timing configuration was validated on B650D4U > hardware. With plain "rgmii", the PHY negotiated 1000baseT/Full but > received no valid packets and accumulated RX CRC errors. With > "rgmii-rxid", a 5000-packet test completed with 0% packet loss and > no RX CRC errors. "rgmii-id" was also tested successfully, but the > additional TX delay is not required, so "rgmii-rxid" is retained. Please take a read of: https://elixir.bootlin.com/linux/v6.15/source/Documentation/devicetree/bindings/net/ethernet-controller.yaml#L287 Does the PCB have 2ns of delay for TX, but notR RX? Andrew