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 AF5A7C6FD18 for ; Wed, 29 Mar 2023 20:16:00 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id AEB7E85C47; Wed, 29 Mar 2023 22:15:56 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1680120957; bh=hY29VJKXsu0+bh5O7qoAThmsjM88+3yYV7zLpCHJ8oI=; h=From:To:Subject:In-reply-to:Date:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From; b=pHfArZz0BZGI0SsEkqu0D7fMNlHdMBuzpi4ZrNSl452TFoXeT0m99XFbLjUdh/rV3 z2Eu6/ucMns+1vuMKDNisvR1qgxJ4T1fqOPlL/9Ly3qTXhWergSmlYoRVYcB8QhpbI QZ4eOw21xzTC/BSnyhHVRMQo9809c7wWA+YWs1dIL1kUQL61ijt8EqXEvBAk+9qMik pGnHAooJZVWjJa9J5GUod9rJ7Ud+4tAIjZGy+NQiQJePEgx3rviABa9MVMAb0svexD VT+300XD/XPYBiSF4Q4HUS5et0oBUq1xDuQ30SsiF3VAKd7XQu+XOHtGcQpeJwydOU 0DjCD8j4uQKCQ== Received: by phobos.denx.de (Postfix, from userid 109) id 455C4859BA; Wed, 29 Mar 2023 22:15:53 +0200 (CEST) Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 24BAD85893 for ; Wed, 29 Mar 2023 22:15:50 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=fail smtp.mailfrom=sbabic@denx.de Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4PmyVF65m4z1r1s5; Wed, 29 Mar 2023 22:15:49 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4PmyVF5VrMz1qqlb; Wed, 29 Mar 2023 22:15:49 +0200 (CEST) X-Amavis-Alert: BAD HEADER SECTION, Missing required header field: "Date" Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id 6FT1dhY3qIaV; Wed, 29 Mar 2023 22:15:49 +0200 (CEST) Received: from papero (host-88-217-136-221.customer.m-online.net [88.217.136.221]) by mail.mnet-online.de (Postfix) with ESMTP; Wed, 29 Mar 2023 22:15:48 +0200 (CEST) From: sbabic@denx.de X-Patchwork-Submitter: Ye Li X-Patchwork-Id: 1734676 X-Patchwork-Delegate: sbabic@denx.de To: Ye Li ,u-boot@lists.denx.de Subject: [PATCH 17/23] misc: fuse: Lock 8ULP ECC-protected fuse when programming In-reply-to: <1675154554-88217-18-git-send-email-ye.li@nxp.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit MIME-Version: 1.0 Message-Id: <20230329201553.455C4859BA@phobos.denx.de> Date: Wed, 29 Mar 2023 22:15:50 +0200 (CEST) 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 > The ECC fuse on 8ULP can't be written twice. If any user did it, the > ECC value would be wrong then cause accessing problem to the fuse. > The patch will lock the ECC fuse word to avoid this problem. > For iMX9, the OTP controller automatically prevents an ECC fuse word to > be written twice. So it does not need the setting. > Signed-off-by: Ye Li > Reviewed-by: Peng Fan Applied to u-boot-imx, -next, thanks ! Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic@denx.de =====================================================================