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 A7A9FC19F2D for ; Tue, 9 Aug 2022 11:17:53 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id B58B384038; Tue, 9 Aug 2022 13:17:51 +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=1660043871; bh=YNAJvOB/WEih+JbWFjv0+i/O9118JoENbW9AZRDmU2o=; h=Date:Subject:To:Cc:References:From:In-Reply-To:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=JK7Olgm1X9pBLGgIvsD4QKAycJAdI5DdaDIfSWMYxeTe0vQ+MMf/a+PgN8s2CX3UC UNvvNN8efIFuY1BnkQznbJ7FbEsX1chTKdakdprjqM5830oVWL8CRVtt/Di3LzmqZZ Pp2c7gVgx5WwMKKpH7TlDNlI3rcJISDL0s6L5P3oQkZUmQZ85ajRd3MtydA9TDMONy S4tIqxQyeMlZoeTYFzx9+lOmtHRiRPEl7EIXJ+aO6pjI/vZxFGELOQiQ5UPZkWgQpn XcNg/kvYW2CMbprktLx00a591ZjusvcUX2N9eZOOFCrdpYe9G1U0vJHpU/10Q2BH3i 5415B5I9kWuIA== Received: from [127.0.0.1] (p578adb1c.dip0.t-ipconnect.de [87.138.219.28]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 9519E83FC0; Tue, 9 Aug 2022 13:17:49 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1660043870; bh=YNAJvOB/WEih+JbWFjv0+i/O9118JoENbW9AZRDmU2o=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=vrOrbnXI4QJnZ8AjKEarl45ej0UPmEgHgxZnVlkRVM/THMaBZZp998miNDsrQGLH7 mweI0oJwV4oyGbxZjZJFIxLhl6JynwXN6naqXhEaUJNNex22q5DpTFZTXc23z3soW+ KEQDPdZMJnaONXNE5Wb3Xftpj0qXQdSGmXAWr96VnLgw6tCLUYku8sqvEKRKUXZTWK PsOubMqu0DhUX8qMiAZTUiaqQ3/V3lVQfBiItabWqrksgs8If6uCHVOuqasD7df1+W 9L4y5T+hJA+I8FKVBOsiwSfd8XHkFcnbLQOIFt57mY2//qC4C4irZCQUrzQr0rfuog ems7nXwAT5xmw== Message-ID: <1647b52e-246d-5cc6-0ac4-cf409060d894@denx.de> Date: Tue, 9 Aug 2022 13:17:49 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.12.0 Subject: Re: [PATCH v3 3/3] ARM: imx6: dh-imx6: Enable d-cache early in SPL Content-Language: en-US To: Philip Oberfichtner , u-boot@lists.denx.de Cc: Christoph Niedermaier , Stefano Babic , Andreas Geisreiter , Tom Rini , u-boot@dh-electronics.com References: <20220809100703.3101047-1-pro@denx.de> <20220809100703.3101047-4-pro@denx.de> From: Marek Vasut In-Reply-To: <20220809100703.3101047-4-pro@denx.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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 0.103.6 at phobos.denx.de X-Virus-Status: Clean On 8/9/22 12:07, Philip Oberfichtner wrote: [...] > +void spl_board_prepare_for_boot(void) > +{ > + /* Flush dcache. Without it U-Boot proper would hang at random locations. */ Do we know why these random hangs occur ? I think this really deserves more than a 1-liner comment. > + dcache_disable(); [...]