From patchwork Thu Jul 23 04:30:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangbo Lu X-Patchwork-Id: 1334404 X-Patchwork-Delegate: van.freenix@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=85.214.62.61; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nxp.com Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4BC01v25w3z9sRW for ; Thu, 23 Jul 2020 14:37:55 +1000 (AEST) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 5FEFC82165; Thu, 23 Jul 2020 06:37:16 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=fail (p=none dis=none) header.from=nxp.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 8AD058200D; Thu, 23 Jul 2020 06:37:04 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.2 Received: from inva020.nxp.com (inva020.nxp.com [92.121.34.13]) (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 D932E81F24 for ; Thu, 23 Jul 2020 06:37:00 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=yangbo.lu@nxp.com Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 9C2E91A001A; Thu, 23 Jul 2020 06:37:00 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 3BC561A000D; Thu, 23 Jul 2020 06:36:58 +0200 (CEST) Received: from localhost.localdomain (mega.ap.freescale.net [10.192.208.232]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 105204031E; Thu, 23 Jul 2020 06:36:52 +0200 (CEST) From: Yangbo Lu To: u-boot@lists.denx.de, Peng Fan , Priyanka Jain , 'Jaehoon Chung' Cc: Yangbo Lu Subject: [v3, 05/11] mmc: add a hs400_tuning flag Date: Thu, 23 Jul 2020 12:30:10 +0800 Message-Id: <20200723043016.6497-6-yangbo.lu@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200723043016.6497-1-yangbo.lu@nxp.com> References: <20200723043016.6497-1-yangbo.lu@nxp.com> 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 0.102.3 at phobos.denx.de X-Virus-Status: Clean Some controllers may have difference between HS200 tuning and HS400 tuning, such as different registers setting, different procedure, or different errata. This patch is to add a hs400_tuning flag to identify the tuning for HS400 mode. Signed-off-by: Yangbo Lu --- Changes for v2: - None. Changes for v3: - Explained more in commit messages. --- drivers/mmc/mmc.c | 2 ++ include/mmc.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index a4c6153..f020a8e 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1981,7 +1981,9 @@ static int mmc_select_hs400(struct mmc *mmc) mmc_set_clock(mmc, mmc->tran_speed, false); /* execute tuning if needed */ + mmc->hs400_tuning = 1; err = mmc_execute_tuning(mmc, MMC_CMD_SEND_TUNING_BLOCK_HS200); + mmc->hs400_tuning = 0; if (err) { debug("tuning failed\n"); return err; diff --git a/include/mmc.h b/include/mmc.h index 161b8bc..2399cc2 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -707,6 +707,7 @@ struct mmc { * accessing the boot partitions */ u32 quirks; + u8 hs400_tuning; }; struct mmc_hwpart_conf {