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 phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A9E1DC48BC3 for ; Mon, 19 Feb 2024 17:26:58 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 446CC87F2C; Mon, 19 Feb 2024 18:26:56 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=dolcini.it Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (2048-bit key; unprotected) header.d=dolcini.it header.i=@dolcini.it header.b="mJqmwJOW"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 525C887F3F; Mon, 19 Feb 2024 18:26:53 +0100 (CET) Received: from mail11.truemail.it (mail11.truemail.it [217.194.8.81]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id F163887F1C for ; Mon, 19 Feb 2024 18:26:40 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=dolcini.it Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=francesco@dolcini.it Received: from francesco-nb (31-10-206-125.static.upc.ch [31.10.206.125]) by mail11.truemail.it (Postfix) with ESMTPA id 22AF420A86; Mon, 19 Feb 2024 18:26:40 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1708363600; bh=5WNyvZVut/SA7gFdaGqAIxluesGmH0xKXl3P3J4n5vU=; h=From:To:Subject; b=mJqmwJOWpN6apfKUHJoQI0HIXr4ODZyMecquUtv6FJzrv1cciVyBJdRurLDiEv27D iwSV3GdPnvF2LFDKj/0jemc9U9UZEnkQwhxGamu4/LG8xtSxSe3Ki4ZBcU8IiUuMDG EA4IaPo8nqbmlIp/EJgAAuFwjwhNJMkfa26RowwhT1n/FLIPT7Orw7hIMEjLEInfEQ f7k51Syjx5HKBvaszw2PZ76Ao9wEUnldRWC2ycKDyAtrDBKyl4A4vf+t+E19/zXskD +ykWkPAKZ0lu53NA+/x+DtpwbQ108gFvlEiM8KgcvBSYaXTJSy3JPvy3GwI5vuTE3h mjQuClvnP0nAA== Date: Mon, 19 Feb 2024 18:26:35 +0100 From: Francesco Dolcini To: Vitor Soares Cc: marcel.ziswiler@toradex.com, trini@konsulko.com, u-boot@lists.denx.de, Vitor Soares Subject: Re: [PATCH] arm: dts: k3-am625-verdin-r5: Change CPU frequency to 1000MHz Message-ID: <20240219172635.GA12616@francesco-nb> References: <20240219123408.22054-1-ivitro@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240219123408.22054-1-ivitro@gmail.com> X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean On Mon, Feb 19, 2024 at 12:34:08PM +0000, Vitor Soares wrote: > From: Vitor Soares > > The same U-Boot binary is compatible with multiple Verdin AM62 board > variants. However, some of the SoC models can only operate at a maximum > speed of 1 GHz. > > Previously, the boards with lower-speed grades were running at > overclocked speeds, leading to kernel complaints about unsupported > configurations. > > To resolve this issue, the operating speed has been decreased to the > maximum allowable value across all Verdin AM62 board variants. As a > result, there is a regression in overall boot time, increasing by around > 200 milliseconds for the faster SoC variant. > > Signed-off-by: Vitor Soares Reviewed-by: Francesco Dolcini