reprogramming boot flash from live kernel

I've got a PrPMC800 and I want to bypass using the PPC7-Bug bootloader to 
reprogram the boot flash/kernel image?

Has anybody reprogrammed their bootup flash image while running a live linux 
kernel?

I don't want to re-invent the wheel if it's already been done.

I'm also not sure if U-boot builds and functions easily on the PrPMC800, so 
I hadn't bothered going that route.


Also, is there a way to telnet into PPC bug rather than access it soley from 
the jtag/serial connection?

_________________________________________________________________
Get in the mood for Valentine's Day. View photos, recipes and more on your 
Live.com page. 
http://www.live.com/?addTemplate=ValentinesDay&ocid=T001MSN30A0701