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 46D7AD74942 for ; Fri, 19 Dec 2025 03:23:14 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 8A9A5800AB; Fri, 19 Dec 2025 04:23:12 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=ziyao.cc 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=ziyao.cc header.i=@ziyao.cc header.b="SE2eKtwv"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 6234183106; Fri, 19 Dec 2025 04:23:11 +0100 (CET) Received: from mail74.out.titan.email (mail74.out.titan.email [3.216.99.54]) (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 1A20080050 for ; Fri, 19 Dec 2025 04:23:09 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=ziyao.cc Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=me@ziyao.cc Received: from localhost (localhost [127.0.0.1]) by smtp-out.flockmail.com (Postfix) with ESMTP id 4dXXt402t3z2xBL; Fri, 19 Dec 2025 03:23:08 +0000 (UTC) DKIM-Signature: a=rsa-sha256; bh=a/X9cOtlGe78a6656SYdfizmGE0VMRQjGEPdeV3+2fY=; c=relaxed/relaxed; d=ziyao.cc; h=from:to:cc:references:mime-version:in-reply-to:date:subject:message-id:from:to:cc:subject:date:message-id:in-reply-to:references:reply-to; q=dns/txt; s=titan1; t=1766114587; v=1; b=SE2eKtwvys3h0F4tfmkj6kYTTOiHlJ0S5NrKZA/j1vWnTGOSIrRQ1BCpb6bwo/ohROu3QRr3 MAzl3FAmJVBMD+pEMpBKBsuGDO+Tk5XcoMTLKtPcMJz7KD6xpnFomwPp9pp3EdXN7H14nsqHw7D yLaA8JNdXJFefDmtLYUjrz4M= Received: from pie (unknown [117.171.66.90]) by smtp-out.flockmail.com (Postfix) with ESMTPA id 4dXXt11hwwz2xBp; Fri, 19 Dec 2025 03:23:04 +0000 (UTC) Date: Fri, 19 Dec 2025 03:23:02 +0000 Feedback-ID: :me@ziyao.cc:ziyao.cc:flockmailId From: Yao Zi To: Fabio Estevam , Kever Yang Cc: Quentin Schulz , Jonas Karlman , U-Boot-Denx , Tom Rini , xuhui.lin@rock-chips.com Subject: Re: RV1103B: Attempt to upstream Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-F-Verdict: SPFVALID X-Titan-Src-Out: 1766114587807990686.27573.518678248260049341@prod-use1-smtp-out1001. X-CMAE-Score: 0 X-CMAE-Analysis: v=2.4 cv=WtDRMcfv c=1 sm=1 tr=0 ts=6944c51b a=rBp+3XZz9uO5KTvnfbZ58A==:117 a=rBp+3XZz9uO5KTvnfbZ58A==:17 a=IkcTkHD0fZMA:10 a=MKtGQD3n3ToA:10 a=CEWIc4RMnpUA:10 a=NEAV23lmAAAA:8 a=AWZi2RE4U0veD8EFqocA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=3z85VNIBY5UIEeAh_hcH:22 a=NWVoK91CQySWRX1oVYDe:22 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 Thu, Dec 18, 2025 at 11:45:11PM -0300, Fabio Estevam wrote: > Hi, > > I have a custom board based on the Rockchip evb-rv1103 (RV1103B silicon), > booting from SPI-NAND. > > I can successfully boot the vendor Rockchip U-Boot v2017.09 on this board, > from SPI-NAND > > I am currently working on upstreaming U-Boot support for the RV1103B SoC. > My first RFC attempt is available here: I think the upstreaming process should start from the kernel side, then we will have stable devicetree ABI reference to work with, instead of creating everything from scratch in U-Boot. This will also makes it easier to enable OF_UPSTREAM. > https://github.com/fabioestevam/u-boot/commits/rv1103/ > > Build steps: > > make evb-rv1103_defconfig > make > > However, I am not yet able to boot U-Boot on the board. At the moment, > the board does not boot and only prints "RKUART". > > My initial plan was to avoid SPL, similar to the evb-rv1108 approach > (described in board/rockchip/evb_rv1108/README). > > Before going further, I would like to ask: > > Is the evb-rv1108 “no SPL” boot flow a valid reference for RV1103B? > > Any guidance or pointers would be greatly appreciated. > > Thanks, > > Fabio Estevam Best regards, Yao Zi