menu "MMC Host controller Support" config MMC bool "MMC/SD/SDIO card support" default ARM || PPC || SANDBOX select HAVE_BLOCK_DEVICE select DM_MMC if DM help This selects MultiMediaCard, Secure Digital and Secure Digital I/O support. If you want MMC/SD/SDIO support, you should say Y here and also to your specific host controller driver. config MMC_WRITE bool "support for MMC/SD write operations" depends on MMC default y help Enable write access to MMC and SD Cards config MMC_PWRSEQ bool "HW reset support for eMMC" depends on PWRSEQ help Ths select Hardware reset support aka pwrseq-emmc for eMMC devices. config MMC_BROKEN_CD bool "Poll for broken card detection case" help If card detection feature is broken, just poll to detect. config DM_MMC bool "Enable MMC controllers using Driver Model" depends on DM select BLK help This enables the MultiMediaCard (MMC) uclass which supports MMC and Secure Digital I/O (SDIO) cards. Both removable (SD, micro-SD, etc.) and non-removable (e.g. eMMC chip) devices are supported. These appear as block devices in U-Boot and can support filesystems such as EXT4 and FAT. config SPL_DM_MMC bool "Enable MMC controllers using Driver Model in SPL" depends on SPL_DM && DM_MMC default y help This enables the MultiMediaCard (MMC) uclass which supports MMC and Secure Digital I/O (SDIO) cards. Both removable (SD, micro-SD, etc.) and non-removable (e.g. eMMC chip) devices are supported. These appear as block devices in U-Boot and can support filesystems such as EXT4 and FAT. if MMC config MMC_SDHCI_ADMA_HELPERS bool config MMC_SPI bool "Support for SPI-based MMC controller" depends on DM_MMC && DM_SPI help This selects SPI-based MMC controllers. If you have an MMC controller on a SPI bus, say Y here. If unsure, say N. config MMC_SPI_CRC_ON bool "Support CRC for SPI-based MMC controller" depends on MMC_SPI default y help This enables CRC for SPI-based MMC controllers. If unsure, say N. config ARM_PL180_MMCI bool "ARM AMBA Multimedia Card Interface and compatible support" help This selects the ARM(R) AMBA(R) PrimeCell Multimedia Card Interface (PL180, PL181 and compatible) support. If you have an ARM(R) platform with a Multimedia Card slot, say Y or M here. config MMC_QUIRKS bool "Enable quirks" default y help Some cards and hosts may sometimes behave unexpectedly (quirks). This option enable workarounds to handle those quirks. Some of them are enabled by default, other may require additional flags or are enabled by the host driver. config MMC_HW_PARTITIONING bool "Support for HW partitioning command(eMMC)" default y help This adds a command and an API to do hardware partitioning on eMMC devices. config SUPPORT_EMMC_RPMB bool "Support eMMC replay protected memory block (RPMB)" imply CMD_MMC_RPMB help Enable support for reading, writing and programming the key for the Replay Protection Memory Block partition in eMMC. config SUPPORT_EMMC_BOOT bool "Support some additional features of the eMMC boot partitions" help Enable support for eMMC boot partitions. This also enables extensions within the mmc command. config MMC_IO_VOLTAGE bool "Support IO voltage configuration" help IO voltage configuration allows selecting the voltage level of the IO lines (not the level of main supply). This is required for UHS support. For eMMC this not mandatory, but not enabling this option may prevent the driver of using the faster modes. config SPL_MMC_IO_VOLTAGE bool "Support IO voltage configuration in SPL" help IO voltage configuration allows selecting the voltage level of the IO lines (not the level of main supply). This is required for UHS support. For eMMC this not mandatory, but not enabling this option may prevent the driver of using the faster modes. config MMC_UHS_SUPPORT bool "enable UHS support" depends on MMC_IO_VOLTAGE help The Ultra High Speed (UHS) bus is available on some SDHC and SDXC cards. The IO voltage must be switchable from 3.3v to 1.8v. The bus frequency can go up to 208MHz (SDR104) config SPL_MMC_UHS_SUPPORT bool "enable UHS support in SPL" depends on SPL_MMC_IO_VOLTAGE help The Ultra High Speed (UHS) bus is available on some SDHC and SDXC cards. The IO voltage must be switchable from 3.3v to 1.8v. The bus frequency can go up to 208MHz (SDR104) config MMC_HS400_ES_SUPPORT bool "enable HS400 Enhanced Strobe support" help The HS400 Enhanced Strobe mode is support by some eMMC. The bus frequency is up to 200MHz. This mode does not tune the IO. config SPL_MMC_HS400_ES_SUPPORT bool "enable HS400 Enhanced Strobe support in SPL" help The HS400 Enhanced Strobe mode is support by some eMMC. The bus frequency is up to 200MHz. This mode does not tune the IO. config MMC_HS400_SUPPORT bool "enable HS400 support" select MMC_HS200_SUPPORT help The HS400 mode is support by some eMMC. The bus frequency is up to 200MHz. This mode requires tuning the IO. config SPL_MMC_HS400_SUPPORT bool "enable HS400 support in SPL" select SPL_MMC_HS200_SUPPORT help The HS400 mode is support by some eMMC. The bus frequency is up to 200MHz. This mode requires tuning the IO. config MMC_HS200_SUPPORT bool "enable HS200 support" help The HS200 mode is support by some eMMC. The bus frequency is up to 200MHz. This mode requires tuning the IO. config SPL_MMC_HS200_SUPPORT bool "enable HS200 support in SPL" help The HS200 mode is support by some eMMC. The bus frequency is up to 200MHz. This mode requires tuning the IO. config MMC_VERBOSE bool "Output more information about the MMC" default y help Enable the output of more information about the card such as the operating mode. config MMC_TRACE bool "MMC debugging" help This is an option for use by developer. Enable MMC core debugging. If you need to see the MMC core message, say Y. config MMC_DAVINCI bool "TI DAVINCI Multimedia Card Interface support" depends on ARCH_DAVINCI default y help This selects the TI DAVINCI Multimedia card Interface. If you have an DAVINCI board with a Multimedia Card slot, say Y here. If unsure, say N. config MMC_DW bool "Synopsys DesignWare Memory Card Interface" select BOUNCE_BUFFER help This selects support for the Synopsys DesignWare Mobile Storage IP block, this provides host support for SD and MMC interfaces, in both PIO, internal DMA mode and external DMA mode. config MMC_DW_CORTINA bool "Cortina specific extensions for Synopsys DW Memory Card Interface" depends on DM_MMC depends on MMC_DW depends on BLK help This selects support for Cortina SoC specific extensions to the Synopsys DesignWare Memory Card Interface driver. Select this option for platforms based on Cortina CAxxxx Soc's. config MMC_DW_EXYNOS bool "Exynos specific extensions for Synopsys DW Memory Card Interface" depends on ARCH_EXYNOS depends on MMC_DW default y help This selects support for Samsung Exynos SoC specific extensions to the Synopsys DesignWare Memory Card Interface driver. Select this option for platforms based on Exynos4 and Exynos5 SoC's. config MMC_DW_K3 bool "K3 specific extensions for Synopsys DW Memory Card Interface" depends on MMC_DW help This selects support for Hisilicon K3 SoC specific extensions to the Synopsys DesignWare Memory Card Interface driver. Select this option for platforms based on Hisilicon K3 SoC's. config MMC_DW_ROCKCHIP bool "Rockchip SD/MMC controller support" depends on DM_MMC && OF_CONTROL depends on MMC_DW help This enables support for the Rockchip SD/MMM controller, which is based on Designware IP. The device is compatible with at least SD 3.0, SDIO 3.0 and MMC 4.5 and supports common eMMC chips as well as removeable SD and micro-SD cards. config MMC_DW_SOCFPGA bool "SOCFPGA specific extensions for Synopsys DW Memory Card Interface" depends on ARCH_SOCFPGA depends on MMC_DW default y help This selects support for Altera SOCFPGA specific extensions to the Synopsys DesignWare Memory Card Interface driver. Select this option for platforms based on Altera SOCFPGA. config MMC_DW_SNPS bool "Extensions for DW Memory Card Interface used in Synopsys ARC devboards" depends on MMC_DW depends on DM_MMC depends on OF_CONTROL depends on CLK help This selects support for Synopsys DesignWare Memory Card Interface driver extensions used in various Synopsys ARC devboards. config NEXELL_DWMMC bool "Nexell SD/MMC controller support" depends on ARCH_NEXELL depends on MMC_DW depends on DM_MMC depends on PINCTRL_NEXELL default y config MMC_MESON_GX bool "Meson GX EMMC controller support" depends on DM_MMC && BLK && ARCH_MESON help Support for EMMC host controller on Meson GX ARM SoCs platform (S905) config MMC_MXC bool "Freescale i.MX21/27/31 or MPC512x Multimedia Card support" help This selects the Freescale i.MX21, i.MX27, i.MX31 or MPC512x Multimedia Card Interface. If you have an i.MX or MPC512x platform with a Multimedia Card slot, say Y here. If unsure, say N. config MMC_OWL bool "Actions OWL Multimedia Card Interface support" depends on ARCH_OWL && DM_MMC && BLK help This selects the OWL SD/MMC host controller found on board based on Actions S700/S900 SoC. config MMC_MXS bool "Freescale MXS Multimedia Card Interface support" depends on MX23 || MX28 || MX6 || MX7 select BOUNCE_BUFFER select APBH_DMA select APBH_DMA_BURST if ARCH_MX6 || ARCH_MX7 select APBH_DMA_BURST8 if ARCH_MX6 || ARCH_MX7 help This selects the Freescale SSP MMC controller found on MXS based platforms like mx23/28. If unsure, say N. config MMC_PCI bool "Support for MMC controllers on PCI" depends on MMC_SDHCI help This selects PCI-based MMC controllers. If you have an MMC controller on a PCI bus, say Y here. config MMC_OCTEONTX bool "Marvell Octeon Multimedia Card Interface support" depends on (ARCH_OCTEON || ARCH_OCTEONTX || ARCH_OCTEONTX2) depends on DM_MMC help This selects the Octeon Multimedia card Interface. If you have an OcteonTX/TX2 or MIPS Octeon board with a Multimedia Card slot, say Y here. If unsure, say N. config MVEBU_MMC bool "Kirkwood MMC controller support" depends on DM_MMC && BLK && ARCH_KIRKWOOD help Support for MMC host controller on Kirkwood SoCs. If you are on a Kirkwood architecture, say Y here. If unsure, say N. config PXA_MMC_GENERIC bool "Support for MMC controllers on PXA" help This selects MMC controllers on PXA. If you are on a PXA architecture, say Y here. If unsure, say N. config MMC_OMAP_HS bool "TI OMAP High Speed Multimedia Card Interface support" select DM_REGULATOR_PBIAS if DM_MMC && DM_REGULATOR select DM_REGULATOR_PBIAS if DM_MMC && DM_REGULATOR help This selects the TI OMAP High Speed Multimedia card Interface. If you have an omap2plus board with a Multimedia Card slot, say Y here. If unsure, say N. config MMC_OMAP_HS_ADMA bool "ADMA support for OMAP HS MMC" depends on MMC_OMAP_HS && !OMAP34XX default y if !AM33XX help This enables support for the ADMA2 controller (SDA3.00 Part A2 DMA controller). If supported by the hardware, selecting this option will increase performances. config MMC_OMAP36XX_PINS bool "Enable MMC1 on OMAP36xx/37xx" depends on OMAP34XX && MMC_OMAP_HS help This enables extended-drain in the MMC/SD/SDIO1I/O and GPIO-associated I/O cells (gpio_126, gpio_127, and gpio_129) specific to the OMAP36xx/37xx using MMC1 If you have a controller with this interface, say Y here. If unsure, say N. config SH_SDHI bool "SuperH/Renesas ARM SoCs on-chip SDHI host controller support" depends on ARCH_RMOBILE help Support for the on-chip SDHI host controller on SuperH/Renesas ARM SoCs platform config SH_MMCIF bool "SuperH/Renesas ARM SoCs on-chip MMCIF host controller support" depends on ARCH_RMOBILE || SH help Support for the on-chip MMCIF host controller on SuperH/Renesas ARM SoCs platform config MMC_UNIPHIER bool "UniPhier SD/MMC Host Controller support" depends on ARCH_UNIPHIER depends on BLK && DM_MMC depends on OF_CONTROL help This selects support for the Matsushita SD/MMC Host Controller on SocioNext UniPhier SoCs. config RENESAS_SDHI bool "Renesas R-Car SD/MMC Host Controller support" depends on ARCH_RMOBILE depends on BLK && DM_MMC depends on OF_CONTROL select BOUNCE_BUFFER help This selects support for the Matsushita SD/MMC Host Controller on Renesas R-Car SoCs. config MMC_BCM2835 bool "BCM2835 family custom SD/MMC Host Controller support" depends on ARCH_BCM283X depends on BLK && DM_MMC depends on OF_CONTROL default y help This selects support for the custom SD host controller in the BCM2835 family of devices. If you have a BCM2835 platform with SD or MMC devices, say Y here. If unsure, say N. config JZ47XX_MMC bool "Ingenic JZ47xx SD/MMC Host Controller support" depends on ARCH_JZ47XX help This selects support for the SD Card Controller on Ingenic JZ47xx SoCs. config MMC_SANDBOX bool "Sandbox MMC support" depends on SANDBOX depends on BLK && DM_MMC && OF_CONTROL help This select a dummy sandbox MMC driver. At present this does nothing other than allow sandbox to be build with MMC support. This improves build coverage for sandbox and makes it easier to detect MMC build errors with sandbox. config MMC_SDHCI bool "Secure Digital Host Controller Interface support" help This selects the generic Secure Digital Host Controller Interface. It is used by manufacturers such as Texas Instruments(R), Ricoh(R) and Toshiba(R). Most controllers found in laptops are of this type. If you have a controller with this interface, say Y here. If unsure, say N. config MMC_SDHCI_IO_ACCESSORS bool depends on MMC_SDHCI help This is silent Kconfig symbol that is selected by the drivers that need to overwrite SDHCI IO memory accessors. config MMC_SDHCI_SDMA bool "Support SDHCI SDMA" depends on MMC_SDHCI help This enables support for the SDMA (Single Operation DMA) defined in the SD Host Controller Standard Specification Version 1.00 . config MMC_SDHCI_ADMA bool "Support SDHCI ADMA2" depends on MMC_SDHCI select MMC_SDHCI_ADMA_HELPERS help This enables support for the ADMA (Advanced DMA) defined in the SD Host Controller Standard Specification Version 3.00 config SPL_MMC_SDHCI_ADMA bool "Support SDHCI ADMA2 in SPL" depends on MMC_SDHCI select MMC_SDHCI_ADMA_HELPERS help This enables support for the ADMA (Advanced DMA) defined in the SD Host Controller Standard Specification Version 3.00 in SPL. config MMC_SDHCI_ASPEED bool "Aspeed SDHCI controller" depends on ARCH_ASPEED depends on DM_MMC depends on MMC_SDHCI help Enables support for the Aspeed SDHCI 2.0 controller present on Aspeed SoCs. This device is compatible with SD 3.0 and/or MMC 4.3 specifications. On the AST2600, the device is also compatible with MMC 5.1 and eMMC 3.0. config MMC_SDHCI_ATMEL bool "Atmel SDHCI controller support" depends on ARCH_AT91 depends on DM_MMC && BLK && ARCH_AT91 depends on MMC_SDHCI help This enables support for the Atmel SDHCI controller, which supports the embedded MultiMedia Card (e.MMC) Specification V4.51, the SD Memory Card Specification V3.0, and the SDIO V3.0 specification. It is compliant with the SD Host Controller Standard V3.0 specification. config MMC_SDHCI_BCM2835 tristate "SDHCI support for the BCM2835 SD/MMC Controller" depends on ARCH_BCM283X depends on MMC_SDHCI select MMC_SDHCI_IO_ACCESSORS help This selects the BCM2835 SD/MMC controller. If you have a BCM2835 platform with SD or MMC devices, say Y here. If unsure, say N. config MMC_SDHCI_BCMSTB tristate "SDHCI support for the BCMSTB SD/MMC Controller" depends on MMC_SDHCI help This selects the Broadcom set-top box SD/MMC controller. If you have a BCMSTB platform with SD or MMC devices, say Y here. If unsure, say N. config MMC_SDHCI_CADENCE bool "SDHCI support for the Cadence SD/SDIO/eMMC controller" depends on BLK && DM_MMC depends on MMC_SDHCI depends on OF_CONTROL help This selects the Cadence SD/SDIO/eMMC driver. If you have a controller with this interface, say Y here. If unsure, say N. config MMC_SDHCI_AM654 bool "SDHCI Controller on TI's Am654 devices" depends on ARCH_K3 depends on MMC_SDHCI depends on DM_MMC && OF_CONTROL && BLK depends on REGMAP select MMC_SDHCI_IO_ACCESSORS help Support for Secure Digital Host Controller Interface (SDHCI) controllers present on TI's AM654 SOCs. config MMC_SDHCI_IPROC bool "SDHCI support for the iProc SD/MMC Controller" depends on MMC_SDHCI help This selects the iProc SD/MMC controller. If you have a Broadcom IPROC platform with SD or MMC devices, say Y or M here. If unsure, say N. config MMC_SDHCI_F_SDH30 bool "SDHCI support for Fujitsu Semiconductor F_SDH30" depends on BLK && DM_MMC depends on MMC_SDHCI help This selects the Secure Digital Host Controller Interface (SDHCI) Needed by some Fujitsu SoC for MMC / SD / SDIO support. If you have a controller with this interface, say Y or M here. If unsure, say N. config MMC_SDHCI_KONA bool "SDHCI support on Broadcom KONA platform" depends on MMC_SDHCI help This selects the Broadcom Kona Secure Digital Host Controller Interface(SDHCI) support. This is used in Broadcom mobile SoCs. If you have a controller with this interface, say Y here. config MMC_SDHCI_MSM bool "Qualcomm SDHCI controller" depends on BLK && DM_MMC depends on MMC_SDHCI help Enables support for SDHCI 2.0 controller present on some Qualcomm Snapdragon devices. This device is compatible with eMMC v4.5 and SD 3.0 specifications. Both SD and eMMC devices are supported. Card-detect gpios are not supported. config MMC_SDHCI_MV bool "SDHCI support on Marvell platform" depends on ARCH_MVEBU depends on MMC_SDHCI help This selects the Secure Digital Host Controller Interface on Marvell platform. If you have a controller with this interface, say Y here. If unsure, say N. config MMC_SDHCI_PIC32 bool "Microchip PIC32 on-chip SDHCI support" depends on DM_MMC && MACH_PIC32 depends on MMC_SDHCI help Support for Microchip PIC32 SDHCI controller. config MMC_SDHCI_ROCKCHIP bool "Arasan SDHCI controller for Rockchip support" depends on ARCH_ROCKCHIP depends on DM_MMC && BLK depends on MMC_SDHCI help Support for Arasan SDHCI host controller on Rockchip ARM SoCs platform config MMC_SDHCI_S5P bool "SDHCI support on Samsung S5P SoC" depends on MMC_SDHCI help This selects the Secure Digital Host Controller Interface (SDHCI) on Samsung S5P SoCs. If you have a controller with this interface, say Y here. If unsure, say N. config MMC_SDHCI_SPEAR bool "SDHCI support on ST SPEAr platform" depends on MMC_SDHCI help This selects the Secure Digital Host Controller Interface (SDHCI) often referrered to as the HSMMC block in some of the ST SPEAR range of SoC If you have a controller with this interface, say Y here. If unsure, say N. config MMC_SDHCI_STI bool "SDHCI support for STMicroelectronics SoC" depends on MMC_SDHCI && OF_CONTROL help This selects the Secure Digital Host Controller Interface (SDHCI) on STMicroelectronics STiH410 SoC. config MMC_SDHCI_XENON bool "SDHCI support for the Xenon SDHCI controller" depends on MMC_SDHCI && DM_MMC && OF_CONTROL help Support for Xenon SDHCI host controller on Marvell Armada 3700 7k/8k ARM SoCs platforms If you have a controller with this interface, say Y here. If unsure, say N. config MMC_SDHCI_TANGIER bool "Tangier SDHCI controller support" depends on DM_MMC && BLK depends on MMC_SDHCI help This selects support for SDHCI controller on Tanginer SoC. Note that this controller does not sit on PCI bus and, hence, cannot be enumerated by standard PCI means. If you're using an Intel Tangier SoC (available on Intel Edison board), say Y here. If unsure, say N. config MMC_SDHCI_TEGRA bool "SDHCI platform support for the Tegra SD/MMC Controller" depends on ARCH_TEGRA select BOUNCE_BUFFER default y help This selects the Tegra SD/MMC controller. If you have a Tegra platform with SD or MMC devices, say Y here. If unsure, say N. config TEGRA124_MMC_DISABLE_EXT_LOOPBACK bool "Disable external clock loopback" depends on MMC_SDHCI_TEGRA && TEGRA124 help Disable the external clock loopback and use the internal one on SDMMC3 as per the SDMMC_VENDOR_MISC_CNTRL_0 register's SDMMC_SPARE1 bits being set to 0xfffd according to the TRM. TODO(marcel.ziswiler@toradex.com): Move to device tree controlled approach once proper kernel integration made it mainline. config MMC_SDHCI_ZYNQ bool "Arasan SDHCI controller support" depends on DM_MMC && OF_CONTROL && BLK depends on MMC_SDHCI help Support for Arasan SDHCI host controller on Zynq/ZynqMP ARM SoCs platform config ZYNQ_SDHCI_MAX_FREQ int "Set the maximum frequency of the controller" depends on MMC_SDHCI_ZYNQ help Set the maximum frequency of the controller. config ZYNQ_SDHCI_MIN_FREQ int "Set the minimum frequency of the controller" depends on MMC_SDHCI_ZYNQ default 0 help Set the minimum frequency of the controller. config ZYNQ_HISPD_BROKEN bool "High speed broken for Zynq SDHCI controller" depends on MMC_SDHCI_ZYNQ help Set if high speed mode is broken. config MMC_SUNXI bool "Allwinner sunxi SD/MMC Host Controller support" depends on ARCH_SUNXI && !UART0_PORT_F default y help This selects support for the SD/MMC Host Controller on Allwinner sunxi SoCs. config MMC_SUNXI_HAS_NEW_MODE bool depends on MMC_SUNXI config MMC_SUNXI_HAS_MODE_SWITCH bool depends on MMC_SUNXI config MMC_PITON bool "MMC support for OpenPiton SoC" depends on DM_MMC && BLK help This selects support for the SD host controller on OpenPiton SoC. Note that this SD controller directly exposes the contents of the SD card as memory mapped, so there is no manual configuration required config GENERIC_ATMEL_MCI bool "Atmel Multimedia Card Interface support" depends on DM_MMC && BLK && ARCH_AT91 help This enables support for Atmel High Speed Multimedia Card Interface (HSMCI), which supports the MultiMedia Card (MMC) Specification V4.3, the SD Memory Card Specification V2.0, the SDIO V2.0 specification and CE-ATA V1.1. config STM32_SDMMC2 bool "STMicroelectronics STM32H7 SD/MMC Host Controller support" depends on DM_MMC && BLK && OF_CONTROL help This selects support for the SD/MMC controller on STM32H7 SoCs. If you have a board based on such a SoC and with a SD/MMC slot, say Y or M here. config FTSDC010 bool "Ftsdc010 SD/MMC controller Support" help This SD/MMC controller is present in Andestech SoCs which is based on Faraday IP. config FTSDC010_SDIO bool "Support ftsdc010 sdio" depends on FTSDC010 help This can enable ftsdc010 sdio function. config MMC_MTK bool "MediaTek SD/MMC Card Interface support" depends on ARCH_MEDIATEK || ARCH_MTMIPS depends on BLK && DM_MMC depends on OF_CONTROL help This selects the MediaTek(R) Secure digital and Multimedia card Interface. If you have a machine with a integrated SD/MMC card reader, say Y or M here. This is needed if support for any SD/SDIO/MMC devices is required. If unsure, say N. endif config FSL_ESDHC bool "Freescale/NXP eSDHC controller support" help This selects support for the eSDHC (Enhanced Secure Digital Host Controller) found on numerous Freescale/NXP SoCs. config FSL_ESDHC_SUPPORT_ADMA2 bool "enable ADMA2 support" depends on FSL_ESDHC select MMC_SDHCI_ADMA_HELPERS help This enables support for the ADMA2 transfer mode. If supported by the eSDHC it will allow 64bit DMA addresses. config FSL_ESDHC_33V_IO_RELIABILITY_WORKAROUND bool "enable eSDHC workaround for 3.3v IO reliability issue" depends on FSL_ESDHC && DM_MMC help When eSDHC operates at 3.3v, damage can accumulate in an internal level shifter at a higher than expected rate. The faster the interface runs, the more damage accumulates. This issue now is found on LX2160A eSDHC1 for only SD card. The hardware workaround is recommended to use an on-board level shifter that is 1.8v on SoC side and 3.3v on SD card side. For boards without hardware workaround, this option could be enabled, ensuring 1.8v IO voltage and disabling eSDHC if no card. This option assumes no hotplug, and u-boot has to make all the way to to linux to use 1.8v UHS-I speed mode if has card. config FSL_ESDHC_VS33_NOT_SUPPORT bool "3.3V power supply not supported" depends on FSL_ESDHC help For eSDHC, power supply is through peripheral circuit. 3.3V support is common. Select this if 3.3V power supply not supported. config FSL_ESDHC_IMX bool "Freescale/NXP i.MX eSDHC controller support" help This selects support for the i.MX eSDHC (Enhanced Secure Digital Host Controller) found on numerous Freescale/NXP SoCs. config FSL_USDHC bool "Freescale/NXP i.MX uSDHC controller support" depends on MX6 || MX7 ||ARCH_MX7ULP || IMX8 || IMX8M || IMX8ULP || IMXRT select FSL_ESDHC_IMX help This enables the Ultra Secured Digital Host Controller enhancements endmenu config SYS_FSL_ERRATUM_ESDHC111 bool config SYS_FSL_ERRATUM_ESDHC13 bool config SYS_FSL_ERRATUM_ESDHC135 bool config SYS_FSL_ERRATUM_ESDHC_A001 bool config SYS_FSL_ERRATUM_A011334 bool config SYS_FSL_ESDHC_UNRELIABLE_PULSE_DETECTION_WORKAROUND bool