eMMC Partition

This document is based on the u-boot-2014.07   ¬†eMMC partition   Since eMMC does not use MTD unlike NAND, you have to specify the partition from the outside. Nexell’s BSP …

Android SDMMC Mount

This document is based on the AVN reference board with kernel 3.4, Android lollipop-5.1.1_r6   Android SDMMC mount   1.1. Path device/nexell/[CHIPSET]_TARGET]/fstab.[CHIPSET]_[TARGET]   1.2. Android filesystem mount path System, cache, …

MMC Tuning

This document is based on kernel 3.4   MMC tuning   1.1. U-boot Path : include/configs/[CHIPSET]_[TARGET].h Set the clock of MMC port to 10MHz #define CONFIG_MMC[CH]_CLOCK 10000000   Adjust phase …

MMC Driver

This document is based on kernel 3.4   MMC driver (Kernel) 1.1. Path drivers/mmc/hosts/dw_mmc.c drivers/mmc/hosts/dw_mmc.h drivers/mmc/hosts/dw_mmc_pltfm.c   1.2. Kernel config 1.2.1. Configuration Device Drivers —> <*> MMC/SD/SDIO card support —> …