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 329D6EB64D9 for ; Wed, 12 Jul 2023 05:12:18 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 7DDF18694E; Wed, 12 Jul 2023 07:12:16 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=andestech.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Received: by phobos.denx.de (Postfix, from userid 109) id E7C7086982; Wed, 12 Jul 2023 07:12:14 +0200 (CEST) Received: from Atcsqr.andestech.com (60-248-80-70.hinet-ip.hinet.net [60.248.80.70]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id A07A786909 for ; Wed, 12 Jul 2023 07:12:12 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=andestech.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=ycliang@andestech.com Received: from mail.andestech.com (ATCPCS16.andestech.com [10.0.1.222]) by Atcsqr.andestech.com with ESMTP id 36C5C0LW013115; Wed, 12 Jul 2023 13:12:00 +0800 (+08) (envelope-from ycliang@andestech.com) Received: from ubuntu01 (10.0.12.75) by ATCPCS16.andestech.com (10.0.1.222) with Microsoft SMTP Server id 14.3.498.0; Wed, 12 Jul 2023 13:11:57 +0800 Date: Wed, 12 Jul 2023 05:11:57 +0000 From: Leo Liang To: Yanhong Wang CC: , Rick Chen , Joe Hershberger , Ramon Fried , Torsten Duwe , Leyfoon Tan , "samin . guo" , Walker Chen , "Hal Feng" Subject: Re: [PATCH v5 10/11] ram: starfive: Read memory size information from EEPROM Message-ID: References: <20230615093652.23161-1-yanhong.wang@starfivetech.com> <20230615093652.23161-11-yanhong.wang@starfivetech.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20230615093652.23161-11-yanhong.wang@starfivetech.com> User-Agent: Mutt/2.0.5 (2021-01-21) X-Originating-IP: [10.0.12.75] X-DNSRBL: X-MAIL: Atcsqr.andestech.com 36C5C0LW013115 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, Jun 15, 2023 at 05:36:51PM +0800, Yanhong Wang wrote: > StarFive VisionFive 2 has two versions, 1.2A and 1.3B, each version of > DDR capacity includes 2G/4G/8G, a DT can not support multiple > capacities, so the capacity size information is recorded to EEPROM, when > DDR initialization required capacity size information is read from > EEPROM. > > If there is no information in EEPROM, it is initialized with the default > size defined in DT. > > Signed-off-by: Yanhong Wang > --- > arch/riscv/cpu/jh7110/spl.c | 32 ++++++++++++++++++++++++++++- > drivers/ram/starfive/starfive_ddr.c | 2 -- > 2 files changed, 31 insertions(+), 3 deletions(-) Reviewed-by: Leo Yu-Chi Liang