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Altera_Forum
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14 years ago

simultaneous access to ddrII memory by nios and vhdl entity

Hi all, I am using Arria II device.Basicly,what i need to do is to transfer large amounts of bulk data,which is stored in DDR2 memory using Ethernet to PC.The problem is that vhdl-based entity is ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

I have looked into UDX4 reference design.From what i see,the whole design is implemented inside the SOPC builder.Also,the vhdl entity needs to be instansciated inside the sopc builder.Let's say i did it.In nios II software , i know that i am able to access components with ease ,since the devices are memory mapped .How do i define the entity to be able to access the ddr II memory,for instance ( From definition point of view and also from vhdl code of view).Reference link/example would be welcome :)

Thank you.