u-boot/doc/README.socfpga

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SOCFPGA Documentation for U-Boot and SPL
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This README is about U-Boot and SPL support for Altera's ARM Cortex-A9MPCore
based SOCFPGA. To know more about the hardware itself, please refer to
www.altera.com.


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socfpga_dw_mmc
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Here are macro and detailed configuration required to enable DesignWare SDMMC
controller support within SOCFPGA

#define CONFIG_GENERIC_MMC
-> Enable the generic MMC driver

#define CONFIG_SYS_MMC_MAX_BLK_COUNT	256
-> Using smaller max blk cnt to avoid flooding the limited stack in OCRAM