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 X-Spam-Level: X-Spam-Status: No, score=-6.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A1293C433F5 for ; Fri, 3 Sep 2021 08:54:03 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 124CD60E77 for ; Fri, 3 Sep 2021 08:54:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 124CD60E77 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.denx.de Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 48AF98355B; Fri, 3 Sep 2021 10:54:00 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (1024-bit key; unprotected) header.d=chromium.org header.i=@chromium.org header.b="C1or+OtP"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 491808355B; Fri, 3 Sep 2021 10:53:58 +0200 (CEST) Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 03F008354F for ; Fri, 3 Sep 2021 10:53:55 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=sjg@google.com Received: by mail-wr1-x42c.google.com with SMTP id x6so7119226wrv.13 for ; Fri, 03 Sep 2021 01:53:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=fMdJc4vnrFT1NJP4yGFBrBApSEpGeshU3XQ7HyS9aec=; b=C1or+OtPk9mwX/aK4ScIGplWHV6ejppebZATZ7fBsF6VMDBVpPC7FD5cvo4vBPZ77s T2+rLyRA0tbZerFpBTbaKAAJ5DqEPjuoX2m1ieAV57eJi8Zp0qHbowkUdKYrc/XEU+P9 wjubJkBwGoi5w8Aje233yJlLPNiqzkkuXx8tc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=fMdJc4vnrFT1NJP4yGFBrBApSEpGeshU3XQ7HyS9aec=; b=QwcCB7o4UIy4256SQdRHFVi0yVfg4FOqI4xyXtaOq2S6WwoPpvGAGAQorBwIXPv5IS doaaFhcWwCnZor1KFk9F+B4DRQ/BK5LfaIxkrUhEn4TrhOGwYnIV2GKI9WL3U8gGu9zr ogGw/GmELVpbH3ctBk9P+a+F/PtCQnxNemPdQkqX0fAloqzq2cPvleo1QoVU6na2uOJL z5so9+0zKiT/R188T317RfJiil9ZpJSwgBgNMizmS2obJxlCdIptI5Xcv+/hhZkK/W7x UlIsOYhr1GbEEOk3fJK7sQLoN72VkssLiMhwE7hdd68bvhWuMvzyG3OGzdMN4eg7ll2C rB/A== X-Gm-Message-State: AOAM5338MjJMNsf3XFchEe7zlAAKInraN2VpEyhyHZ35Wtc5x/3LSd33 ZAn6L96+terquqXYo/eJ9skULmXcdZ0LuBBfIgb4Eb9lSEB0oA== X-Google-Smtp-Source: ABdhPJxhrqhLekm6J5UOQ9ep2LLGBFGJm2auoKreyAG+yThczfTCbk1nV8l+YtHhG03S342KXPssgTZH4J06s1xeKGo= X-Received: by 2002:adf:9e01:: with SMTP id u1mr2716721wre.420.1630659234187; Fri, 03 Sep 2021 01:53:54 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Simon Glass Date: Fri, 3 Sep 2021 02:53:41 -0600 Message-ID: Subject: Re: Usage of device-tree for blobs To: Heinrich Schuchardt , Tom Rini Cc: Ilias Apalodimas , U-Boot Mailing List Content-Type: text/plain; charset="UTF-8" X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 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 0.103.2 at phobos.denx.de X-Virus-Status: Clean Hi Heinrich, On Wed, 25 Aug 2021 at 02:05, Heinrich Schuchardt wrote: > > Hello Simon, > > some boards like qemu-riscv64_defconfig do not use any device-tree at > build time. A device-tree is only supplied at runtime by the prior boot > stage (CONFIG_OF_PRIOR_STAGE=y). > > In doc/develop/devicetree/intro.rst you suggest to put binary blobs into > the device-tree. > > Could you, please, update the documentation to explain how adding blobs > to the device-tree works in the different scenarios depending on the > values of: > > CONFIG_OF_EMBED > CONFIG_OF_SEPARATE > CONFIG_OF_BOARD > CONFIG_OF_HOSTFILE > CONFIG_OF_PRIOR_STAGE > > It would be especially important to understand how one can develop a > board independent feature which works for all of these settings. > > Please, describe CONFIG_OF_PRIOR_STAGE in > doc/develop/devicetree/control.rst. +Tom Rini I have now sent documentation on this, as requested. Please can you stop waiting, and apply the revert series that I requested 6 weeks ago now? If this mess goes out in a release I will be extremely unhappy. Regards, Simon