1 2-------------------------------------------- 3SOCFPGA Documentation for U-Boot and SPL 4-------------------------------------------- 5 6This README is about U-Boot and SPL support for Altera's ARM Cortex-A9MPCore 7based SOCFPGA. To know more about the hardware itself, please refer to 8www.altera.com. 9 10 11-------------------------------------------- 12socfpga_dw_mmc 13-------------------------------------------- 14Here are macro and detailed configuration required to enable DesignWare SDMMC 15controller support within SOCFPGA 16 17#define CONFIG_GENERIC_MMC 18-> Enable the generic MMC driver 19 20#define CONFIG_SYS_MMC_MAX_BLK_COUNT 256 21-> Using smaller max blk cnt to avoid flooding the limited stack in OCRAM 22 23#define CONFIG_DWMMC 24-> Enable the common DesignWare SDMMC controller framework 25 26#define CONFIG_SOCFPGA_DWMMC 27-> Enable the SOCFPGA specific driver for DesignWare SDMMC controller 28