Are there embedded linux distributions that work without a memory management unit? I ask is because it looks like the Stellaris doesn't have one. The Memory P

Are there embedded linux distributions that work without a memory management unit? I ask is because it looks like the Stellaris doesn't have one. The Memory Protection Unit allows the OS/monitor/etc. to limit access to specified regions from unprivileged processes, but it does not appear to have any sort of remapping facility.