[U-Boot] U-Boot's need for MMU

[cmfairfa at rockwellcollins.com]

Hi,
I am wondering what the ramifications of not using the MMU in U-Boot are?
I have an MPC8360 (e300 core) where it is capable of disabling the MMU via 
the MSR[IR] and MSR[DR] bits.

Before disabling the MMU, I'm just wondering why U-Boot bothers to set up 
the MMU on CPU's that providing disabling of the MMU.

PS
I'm not disabling the MMU just for kicks, there are/may be some 
program-specific scenarios where I may need to use the option of disabling 
the MMU.

Thanks.



Christopher M. Fairfax
Sr. Software Engineer
Rockwell Collins
+1 540-428-3344
+1 540-428-3301
cmfairfa at rockwellcollins.com
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