I would like to order u-boot to enter a specific runlevel lower than the one the system boots to. How does one accomplish this?
After a lot of digging before and after my question, I discovered that it's as simple as appending the number of the runlevel onto the end of the environment variable bootargs.
For instance, to enter into runlevel 3:
and you can use
before and after to check your changes.
I found a huge hint for this at http://www.novell.com/coolsolutions/tip/14818.html