From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6F073606A326 for ; Wed, 21 Oct 2026 11:08:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=a1XEgfb4; dkim=fail reason="signature verification failed" (2048-bit key, unprotected) header.d=freeshell.de header.i=@freeshell.de header.a=rsa-sha256 header.s=s2025 header.b=RU6148x8 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=UsY0ZSZddFze6/cjFj8K9mrq5JmoIGBDC4vChN14xuE=; b=a1XEgfb4AcLqk6 LwpF6jjbFDZDK6hg657HYdISxlNbI5fj1Hp2PAxgtCq6/HhNvWLYCrr0q1FJlZfolADkIYuC4wiMu cBSH/QrwlpvO/fcRAyD9Yr6pfVpFfofbkwSgnsbxIBbhPKrrQO/Prfd4UIXyWEiPvyVYhjYxfn2B0 124XECVHPbz1YoKzU0/34DLtpMuJoX8oEU7uXXT2PTZ9r1Qxa27EtG/AoeDVTT6nBpVZSrLIdCklb NINmibSMEZICyyZFDz7CSyJE+PvohPAOHqsw/Y8/5aTyUf1Ihh/RE4pb3RpoINImIrtVJ6gPXhLLY SL2XmNRE/7qH13bwev7Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xJUAu-0000000BhQ5-3GLe; Wed, 21 Oct 2026 11:08:04 +0000 Received: from freeshell.de ([2a01:4f8:231:482b::2]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xJUAr-0000000BhOS-2zT6 for linux-riscv@lists.infradead.org; Wed, 21 Oct 2026 11:08:03 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freeshell.de; s=s2025; t=1792580859; bh=Lv7Omi5n8k/bxt6p6Ood58jQjPgelYC54rFdKIGqlDM=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=RU6148x8F8xQtgBEgbPeOFO/r4kqbrnkMiqhES+lxGo7EhBo4HEHYbI5PwrGnoLbg lqngIyqKCLwBZOQKovwE5liPCfPLgURH4u6qrwu0n1EDuy6vSMWb/Y6AWXO1Y2s4KY jD65I13FboQh/3dhd6PLXPRkFNOf/btq1yfHaj8dzj+fBYtQwYvziKxp073/vNt5Is EmGl1FhB0tU92jWSLuDq70HFbppfvzq2iB2ckGhrYacamUUbq0HE+0ZpUsjda5I1Zx BudGOG3uFTjx0qHf2gU7y2xQytgNo2+oZHcotJiT8sQJG1WbeaV7/RDQ00LsRf03FO ZvXrq/m3neQ7A== Received: from [IPV6:2605:59ca:364f:d400:1b91:6b30:22c2:fffc] (unknown [IPv6:2605:59ca:364f:d400:1b91:6b30:22c2:fffc]) (Authenticated sender: e) by freeshell.de (Postfix) with ESMTPSA id 90006B2219EB; Wed, 21 Oct 2026 13:07:36 +0200 (CEST) Message-ID: Date: Wed, 21 Oct 2026 04:07:34 -0700 X-Archived-By: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/2] riscv: dts: spacemit: mark K1 board boot devices bootph-pre-ram To: Hung-Chun Tseng , Yixun Lan Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org References: <20261017180141.3477743-3-alan.tseng.cs@gmail.com> <13d6926f-f085-4214-8051-7bf7b5d92b67@freeshell.de> <20261019141752.2077207-1-alan.tseng.cs@gmail.com> <20261021083425-GKA125937@kernel.org> <20261021110001.2905669-1-alan.tseng.cs@gmail.com> Content-Language: en-US From: E Shattow In-Reply-To: <20261021110001.2905669-1-alan.tseng.cs@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261021_040802_278242_F3DE2AC6 X-CRM114-Status: GOOD ( 14.51 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" X-Spam-Status: No, score=-5.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On 10/21/26 03:59, Hung-Chun Tseng wrote: > Hi Yixun, > > Yixun Lan wrote: >> but for bootph-pre-ram, isn't it about the DT nodes which needed before DDR >> initialization in SPL stage, and should have nothing to do with BootROM? > > Thanks for checking with the vendor. I agree, the schema defines it as > "the phase that sets up SDRAM". > > I also need to correct what I said earlier: the EEPROM is not only > used to tell the boards apart. It also holds the board's DRAM > configuration (number of chip selects, data rate and DDR type), which > has to be read before DRAM can be trained [1]. > > So in v3 I'd like to keep the i2c2 and EEPROM tags, and also tag the > EEPROM on the OrangePi RV2 and R2S, which I missed in v2. > > E, does that address your concern? Yes, as based on published documentation and confirmed by vendor, that sounds good to me. > > [1] board/spacemit/k1/spl.c in U-Boot, ddr_early_init() -> read_ddr_info() > > Thanks, > Hung-Chun Thank you Hung-Chun and Yixun, -E _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv