Programming BRAM with JTAG--Help regarding knowledge source requested.

Hi 

I am trying to program a BlockRAM inside FPGA using JTAG on spartan 6. I am using core generator provided by Xilinx. Is it possible? Is there any document that I can go through to know how to interface a parallel flash with JTAG? My intention is to program the BRAM using JTAG. I want to have knowledge about how data can be written to Block RAM. Maybe SWD can be used but I also need to know how to interface it with BRAM.

Can anyone suggest any document or approach?  Thank you.

kind regards

Md Mezanur Rahman

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