EXT_CSD_ENH_START_ADDR
sc->enh_base = (ext_csd[EXT_CSD_ENH_START_ADDR] +
(ext_csd[EXT_CSD_ENH_START_ADDR + 1] << 8) +
(ext_csd[EXT_CSD_ENH_START_ADDR + 2] << 16) +
(ext_csd[EXT_CSD_ENH_START_ADDR + 3] << 24)) *
le32dec(&ext_csd[EXT_CSD_ENH_START_ADDR]) *