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 F1CA3C43458 for ; Mon, 13 Jul 2026 06:05:36 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 5F99F848EB; Mon, 13 Jul 2026 08:05:35 +0200 (CEST) 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="ETrjZACs"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 0AE6684A0F; Mon, 13 Jul 2026 08:05:35 +0200 (CEST) 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 A52FB8467B for ; Mon, 13 Jul 2026 08:05:31 +0200 (CEST) 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 (248.201.173.83.static.wline.lns.sme.cust.swisscom.ch [83.173.201.248]) by mail11.truemail.it (Postfix) with ESMTPA id A40DA1FA47; Mon, 13 Jul 2026 08:05:30 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1783922731; bh=QD0oMnvSnW52WV57z5qvwkaGpqUK/h6bkuSIF/W9glA=; h=From:To:Subject; b=ETrjZACsYUOLBGvp6ONQbQoI/gfOH2zmBdNbD6hBljsSyFfZKDEfqYxIO/knYroQ2 PvzV0I7dk7ZJIIgRhevCTN4lvkiHJM0LM8NmZH+lKdMlbsFV8VKjwuSREi9KqTuE/u AHOxsoqHJ5H7/1yUK8ifVx+Qyggle0GIxIDJDaTZa5vHM/1LOxqtaRibR0ftD2D51c sAstDeWnYp2xgOBUC9TKA7MlYMsy5G2hgMoxOZc1ZksaG0oXrIZ8bjs2uMKOzWbIrt edn52wihycrkSRqw6UvATcbjtaMYu0+3I5/1ABPNgaN9yWlSY9xeE2ZvNjCS/NmnNR hhPtumOws7+Mg== Date: Mon, 13 Jul 2026 08:05:26 +0200 From: Francesco Dolcini To: Emanuele Ghidoli Cc: Francesco Dolcini , Tom Rini , Emanuele Ghidoli , "NXP i.MX U-Boot Team" , Stefano Babic , Fabio Estevam , Peng Fan , u-boot@lists.denx.de Subject: Re: [PATCH 0/2] board: toradex: smarc-imx95/aquila-imx95: detect RAM sizes Message-ID: <20260713060526.GA13102@francesco-nb> References: <20260710133913.388770-1-ghidoliemanuele@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260710133913.388770-1-ghidoliemanuele@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 Fri, Jul 10, 2026 at 03:39:07PM +0200, Emanuele Ghidoli wrote: > From: Emanuele Ghidoli > > Use alias-based RAM probing to detect different memory configurations > on Toradex iMX95 modules using LPDDR5. The address wrap-around is not > linear on LPDDR5 modules: address bits above the module capacity > alias back with some low address bits XORed (bit 32 -> XOR 0xc000), > as measured on 4GB and 8GB modules. > Acked-by: Francesco Dolcini