You can disable the cache with the help of TLBs. See where it is creating TLBs for the memory regions for that processor.
On Wed, Mar 14, 2012 at 8:07 AM, hellohello <hellohello...@163.com> wrote: > How to make a memory region to be cache disabled in linux? > I'm porting mpc83XX from vxworks to linux. Now meet a question: Cpu use a > memory region (GPCM mode of bus) to access peripherals, we need this > memory to be cache disabled. > Linux Kernel is 2.6.25. > Thanks very much for any hint! > > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@lists.ozlabs.org > https://lists.ozlabs.org/listinfo/linuxppc-dev >
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