External Memory Controller Initialization

Ravi R. OP #1654893
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Hi,
    I am using LPC32xx. I am trying to access SDRAM after initializing 
EMC. But I am unable to read/write data from SDRAM. Do I need to 
initialize MMU and Caches to access SDRAM? If yes (why?), can anybody 
please provide init code for mmu and caches?

Thanks in advance
Ravi
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