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Tue, 1 Dec 2020 08:58:39 +0000 From: Andrey Zhizhikin To: u-boot@lists.denx.de Cc: sbabic@denx.de Subject: [PATCH 0/2] imx8m: introduce high speed mode support in usdhc Date: Tue, 1 Dec 2020 08:58:19 +0000 Message-Id: <20201201085821.23050-1-andrey.zhizhikin@leica-geosystems.com> X-Mailer: git-send-email 2.17.1 X-Originating-IP: [193.8.40.112] X-ClientProxiedBy: ZR0P278CA0021.CHEP278.PROD.OUTLOOK.COM (2603:10a6:910:1c::8) To DB6PR0602MB2886.eurprd06.prod.outlook.com (2603:10a6:4:9b::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from aherlnxbspsrv01.lgs-net.com (193.8.40.112) by ZR0P278CA0021.CHEP278.PROD.OUTLOOK.COM (2603:10a6:910:1c::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3611.20 via Frontend Transport; Tue, 1 Dec 2020 08:58:38 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 66f39bf6-ff07-46dc-58a0-08d895d74b0a X-MS-TrafficTypeDiagnostic: DB9PR06MB7242: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:651; 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Current configuration of usdhc dts nodes for imx8m SOC derivatives does experience issues with recognition and mode switch for various sd card types from different manufacturers, sometimes leading to an abrupted boot process, either during attempt to load kernel image from attached media or failure to recognize the sd card when switch to higher speed mode is performed. Modifications in patches introduced are aimed to resolve those issue by introducing a short delay when mode switch in attempted, and enabling high speed mode quirks for all imx8m derivatives. Andrey Zhizhikin (2): ARM: dts: imx8m: increase off-on delay on the SD Vcc regulator ARM: dts: imx8m: add UHS or HS400/HS400ES properties arch/arm/dts/fsl-imx8qm-mek-u-boot.dtsi | 3 +++ arch/arm/dts/fsl-imx8qxp-mek-u-boot.dtsi | 3 +++ arch/arm/dts/imx8mm-beacon-kit-u-boot.dtsi | 4 ++++ arch/arm/dts/imx8mm-evk-u-boot.dtsi | 8 ++++++++ arch/arm/dts/imx8mn-ddr4-evk-u-boot.dtsi | 8 ++++++++ arch/arm/dts/imx8mp-evk-u-boot.dtsi | 8 ++++++++ arch/arm/dts/imx8mq-evk.dts | 4 ++++ arch/arm/dts/imx8mq-phanbell.dts | 1 + 8 files changed, 39 insertions(+) base-commit: 0719bf42931033c3109ecc6357e8adb567cb637b