dev:    size   erasesize  name
mtd0: 00300000 00020000 "nand-fsbl-uboot"
mtd1: 00500000 00020000 "nand-linux"
mtd2: 00020000 00020000 "nand-device-tree"
mtd3: 00a00000 00020000 "nand-rootfs"
mtd4: 01000000 00020000 "nand-jffs2"
mtd5: 00800000 00020000 "nand-bitstream"
mtd6: 04000000 00020000 "nand-allrootfs"
mtd7: 013e0000 00020000 "nand-release"
mtd8: 00200000 00020000 "nand-reserve"