running purely uncached ..

["ashish anand" <ashish_ibm@rediffmail.com>]

Hello,

I am back to mips plateform after a long gap.
in my kernel source tree i observed in arch/mips/mm/r4xx0.c 
though
there are other support routines for flush , invalidate and 
maintain
the cache consistency ..but there is no mention of running purely 
uncached using the old style code CONFIG_MIPS_UNCACHED or 
otherwise.
Best Regards,
Ashish