From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f179.google.com (mail-pf1-f179.google.com [209.85.210.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D508029A2; Fri, 25 Jul 2025 05:18:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753420739; cv=none; b=bGncg25INIJ4OUv7tfDZImcdMHzzmUOPQ8RB0OTu38i03oP1aloS4AH41MICGURfvSAqdBQ/V6vg/9EjE4chPvHYdCd5lCrVDegIZO7DoQgeQOnKGTOPs+xs1P1B7LZm2z6pG3+XKN9xigKSM781xdygIRZbRHXF8CqHd9OKYw0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753420739; c=relaxed/simple; bh=FuTOrNphQ87GZdTd1ZusU/upsjz8QNLi/l8+5ihUqRY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=kaL6BK5sNjqYASJvm1pfBW85qNdZE7QhskSyVgYmi+xnaeSG/c752o3+GToVtbA9xaejyY976yNcaWK178BIo04p6SwF7wvFl2hzajg4cUG7S50NHK4U/10tjv1kdVbQzlpnPKOb75b20GcKGo9aw/WYBAxHcvaMDXERifKn7DY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=dRZz3FCl; arc=none smtp.client-ip=209.85.210.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="dRZz3FCl" Received: by mail-pf1-f179.google.com with SMTP id d2e1a72fcca58-75ce8f8a3a1so1129099b3a.3; Thu, 24 Jul 2025 22:18:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1753420737; x=1754025537; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=hwlCoX9n3S+W1I2p1kc9IDkLp+xJ/GgTuu9b7/n8qiY=; b=dRZz3FClb8A57RtmdDx01J17YDbfXgaqnH03KO9Fx9A32Vv47IvMBcdO6c1N4WsgA2 wNKmQc6Pm+zj50XV6++XAE8atC8EYE/C2zItSeP4v/AJWjGhCkEk7/EYfMqY4shv/z4G HoKiMTPxMBj6vWLCYUDrO0IMrlHAFivEG1O5fjyi37y6PMJGOH6ZanoNG+k6hZrEEXDD bzlVoTp4vrZjIrogEXkhbno1sDBzKbMC5tAWRDr/FvZxEil05lMfbGeo1iS5PqURyogN X7oTUatVThV0IC4VyOzMW+msYWBI+MclGel2BUom/l2N0d+Wg20DFdI5rbz1+5cPGrdr EIPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753420737; x=1754025537; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=hwlCoX9n3S+W1I2p1kc9IDkLp+xJ/GgTuu9b7/n8qiY=; b=CRKd5rIrkn6xRiEgBY3i4IYYULuo5oxq1jFxoB4v/iS9XPPBxFS2oLN39CSvuz+VgP ET7ZJ+tErfeqsZgSc2gTSLnBB0sqY7FCW9nWmQ+iXNW0XNTaR0ENssc0r2oLyb1wClTR +70RN+eO3Z6AQjmciPValEXKujhPAYA9rykTQLDFijEYaJjHExkKXoo0GFPs2WBBgfKZ KLncae9WiYX5Gt+Q68s7LYZjci8FehXo+QQsNr3Ce5jym2lP9hO4aTTPhzPILfXAvoDM FTa2dtLQBF6zGN8dBDefBqT7VNl6gDat2pYU4OxQ7H3YAdQwHnXWiBUKM8aM06vs6nXr B4bQ== X-Forwarded-Encrypted: i=1; AJvYcCW7B/Fgp2tQMFOow3F1TVQCX95/aU57UNEiZKuOFUTd1VC9nhu1YqMDrHFafrC98z8cywglJNzMCsas@vger.kernel.org, AJvYcCXmOSEjkgMRRNy6DftKfOzmzI8v8Plps5vuyVRzxV7vxlLPe+Dz/FC8BDV8isfNyMY3vdbE1W1Qae3L3k3u@vger.kernel.org X-Gm-Message-State: AOJu0Yxe2TgBRY/z/z7EWNKg6s1SocD+U7gctUHJgLHepmORYu0+qBu6 wr8qcqZXp25x32Zd+dDsYPBrReoZzjU5Cgu8MSFIK3sjA4qncWstJlTu X-Gm-Gg: ASbGncuIdVMZaEWebuadn1Cr3jcr0Ex3eWUQIQyaxl0puGGJ/xk2QQJ7le7MBUyRVvg nDHkGggbS3JYcHrwE586YtuVGkuPlgbsexCSWdVSZ1OmzAMLvjkRI68CxVFXtcnvtoxWzgYnfwC oS7ITehgmsBNRT3ko2a0AbktmYltadlRBV1diVb2GsrmMa+NnRDJTBK3pwhtgOf9ArB5IgX+wDe PnXof7V/AkhGDZCDMW1rHFu1sYzvMGNh+cmZBIKOIHWf3NvQL4fvMq5C+nr26kbG/PgsFL1QnJJ VESTVNHfAlzTUwpEIsWEntmw0Hou110Q4T15E68v6Y0vfwy1srFeG2jXuvhVxn7BKsjsYI7Uaqh 9qv5wYgEYuYPPoJPNhK6reZAhaxLao0O0r+Qr4CxjSs5Uoi2Y++xP4enxYItI05HoTsVcRMQ8T0 8= X-Google-Smtp-Source: AGHT+IFPixTsfdXK9p29I79UGfIgXeOO9MD+/pKk+rfiR7TaXdWeo4fQpMcFgUkv1hBHXBF3FZnWGw== X-Received: by 2002:aa7:88c6:0:b0:748:f80c:b398 with SMTP id d2e1a72fcca58-763382d8395mr881883b3a.15.1753420737003; Thu, 24 Jul 2025 22:18:57 -0700 (PDT) Received: from localhost.localdomain (c-76-133-73-115.hsd1.ca.comcast.net. [76.133.73.115]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-761ae15838csm2966301b3a.43.2025.07.24.22.18.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Jul 2025 22:18:56 -0700 (PDT) Date: Thu, 24 Jul 2025 22:18:53 -0700 From: Tao Ren To: Andrew Lunn Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Joel Stanley , Andrew Jeffery , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, Tao Ren Subject: Re: [PATCH v3 10/13] ARM: dts: aspeed: Add Facebook Fuji-data64 (AST2600) Board Message-ID: References: <20250723233013.142337-1-rentao.bupt@gmail.com> <20250723233013.142337-11-rentao.bupt@gmail.com> <769d6817-ee97-4a23-b013-29bc875a00cb@lunn.ch> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <769d6817-ee97-4a23-b013-29bc875a00cb@lunn.ch> On Thu, Jul 24, 2025 at 02:53:39PM +0200, Andrew Lunn wrote: > On Wed, Jul 23, 2025 at 06:03:49PM -0700, Tao Ren wrote: > > On Thu, Jul 24, 2025 at 02:03:20AM +0200, Andrew Lunn wrote: > > > > +&mac3 { > > > > + status = "okay"; > > > > + phy-mode = "rgmii"; > > > > > > Does the PCB have extra long clock lines to implement the 2ns delay? > > > > > > Andrew > > > > Hi Andrew, > > > > Thank you for catching it. I didn't notice the settings because the file > > is copied from the exiting fuji.dts with minor changes. > > > > The delay is currently introduced on MAC side (by manually setting SCU > > registers), but I guess I can update phy-mode to "rgmii-id" so the delay > > can be handled by the PHY? > > That would be good, if it works. The problem with the current code is > that those SCU registers are not set as part of the MAC driver, so it > is hard to know what value they have. > > Andrew Hi Andrew, I set phy-mode to rgmii-id (letting BCM54616S handle RX/TX delay) and cleared SCU350 (MAC3/4 RGMII delay) register, but somehow BMC is not reachable over ethernet. Let me see if I missed other settings. I will drop the mac entry from v4 if I cannot make it work by next Monday. Thanks, Tao