You can access 6 different memories as /dev/mtd[0-5].
For example, you can retrieve a binary image of the binary RedBoot bootloader with:
cat /dev/mtd0ro > redboot
| mtd | contents |
| mtd0 | RedBoot |
| mtd1 | initrd |
| mtd2 | kernel |
| mtd3 | jffs2, config data for thecus firmware |
| mtd4 | RedBoot configuration |
| mtd5 | FIS directory; partition table used by RedBoot for flash |
Or from cat /proc/mtd:
dev: size erasesize name
mtd0: 00040000 00020000 "RedBoot"
mtd1: 00d00000 00020000 "ramdisk"
mtd2: 00160000 00020000 "kernel"
mtd3: 00120000 00020000 "user"
mtd4: 00001000 00020000 "RedBoot config"
mtd5: 00020000 00020000 "FIS directory"