dev:    size   erasesize  name
mtd0: 00100000 00000010 "foo0"
mtd1: 00200000 00000020 "foo1"
mtd2: 00400000 00000040 "foo2"
mtd3: 00800000 00000080 "foo3"
mtd4: 01000000 00000100 "foo4"
mtd5: 02000000 00000200 "foo5"
mtd6: 04000000 00000400 "foo6"
mtd7: 08000000 00000800 "foo7"
mtd8: 10000000 00001000 "foo8"
mtd9: 20000000 00200000 "foo9"
mtd99: 1f000000 00200000 "rootfs-prep"