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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
#define CONFIG_DWMMC
-> Enable the common DesignWare SDMMC controller framework
#define CONFIG_SOCFPGA_DWMMC
-> Enable the SOCFPGA specific driver for DesignWare SDMMC controller