TLB LOCKING

[bharathi kandimalla]

 Hi
  I came to know, with the MMU always being enabled
  it is not possible for the processor to access instructions and data
  using a physical addressing during excetion processing
   
  1.Now I want to lock some I/o memory.? (loading locked TLB  ENTRIES) after MMu_init
    How to do it in the kernel?
  
  2. Is it possible to completely disable the MMU for MPC860T IN LINUX 2.4.20
   and  use it for custom board
  
   thanks
   bharathi
  

 
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