menuconfig MTD_FMC100 tristate "Flash Memory Controller Ver 100 support" default n select MTD_BLOCK help Support Flash Memory Controller Version 100. if MTD_FMC100 config MTD_FMC100_SPINOR bool "Spi-Nor Flash support" default n help Support Spi-Nor Flash Memory. config MTD_FMC100_SPINAND bool "Spi-Nand Flash support" default n help Support Spi-Nand Flash Memory. config MTD_FMC100_NAND bool "Nand Flash support" default n help Support Nand Flash Memory. endif