read/write problem in ml605 ext memory

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san_2190

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hi,
im using ml605 board virtex 6 fpga .... im connecting mb to external ddr3 sdram(512 MB) using edk ... wen i run memory tests in sdk, the status is success !! ... but wen i try to access any address of ext memory (read/write), i get only 0x00000000 as output ... i can understand tht the hw configuration for ext memory is correct, bt in sw i hv gone wrong .... any suggestions on wer i went wrong??... im using xuint32 for pointers to access the memory...is der any procedure i missed out ?? kindly help me on this ..... thnx in advance

-San
 

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