1config PLATFORM_ROOTFS 2 bool "Enable ROOTFS" 3 default y 4 depends on FS_JFFS || FS_FAT || DRIVERS_MTD_NAND 5 help 6 Answer Y to enable LiteOS support rootfs. 7 8choice 9 prompt "Storage device type" 10 default STORAGE_SPINOR 11 depends on PLATFORM_ROOTFS 12 help 13 SPI_NOR or SPI_NAND or EMMC. 14 15config STORAGE_SPINOR 16 depends on PLATFORM_ROOTFS && DRIVERS_MTD_SPI_NOR 17 bool "SPI_NOR Flash" 18 19config STORAGE_SPINAND 20 depends on PLATFORM_ROOTFS && DRIVERS_MTD_NAND 21 bool "SPI_NAND Flash" 22 23config STORAGE_EMMC 24 depends on PLATFORM_ROOTFS && DRIVERS_EMMC 25 bool "EMMC" 26 27endchoice 28 29config BOOTENV_ADDR 30 int "Address of boot command line (KB)" 31 depends on PLATFORM_ROOTFS && (STORAGE_SPINOR || STORAGE_SPINAND || STORAGE_EMMC) 32 default 512 33 help 34 Boot command line addr. 35 36config BOOTENV_RAM 37 bool "Read bootenv from RAM" 38 default n 39 depends on PLATFORM_ROOTFS 40 help 41 Answer Y to read bootenv from ram. Need boot copy to RAM. 42 43config BOOTENV_RAMSIZE 44 int "Size of boot environment in RAM (Byte)" 45 depends on PLATFORM_ROOTFS && BOOTENV_RAM 46 range 128 1024 47 default 512 48 help 49 Boot environment in Ram space size, range from 128 to 1024 byte. 50