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In this case is the DRAM controller not an on chip peripheral? My system is as follows:
I have an external AVR micro which I want to connect to the DRAM. I also have an external video decoder chip which I want to connect to DRAM. I use the SOPC DRAM controller and link it to an Avalon master that I created. The master has external address,data and control lines. I now want to use some FPGA logic to connect decoder and micro to this Avalon master. Is this where the bridge comes in? I looked at the bridge component but did not see any option to add non avalon lines?
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So as I understand, you have "a DRAM controller in the SOPC system" and your external devices will be communicating with this *DRAM controller only* rather than the cpu, or so to say Avalon bus, itself. You don't need a Tri-state bridge in this case (as your external devices are not communicating with the Avalon bus directly).
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