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Altera_Forum
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15 years ago

Accessing custom component from DMA

In our design we have included a custom component into the SOPC design. The custom component (IMM, instance IMM_x) is connected to the write master port of a DMA. The DMA reads data from data_memory ...
Altera_Forum's avatar
Altera_Forum
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15 years ago

Well usually when using that DMA I just bit bang the slave port which has a register map show in page 243 here: http://www.altera.com/literature/ug/ug_embedded_ip.pdf

I'll leave it to you to read but basically you just need to state where to read from, where to write to, the transfer length in bytes, and various control bits like reading/writing to fixed location, data width, etc...

Sorry I haven't used this DMA in ages so I can't be of more help, usually I stick to my own DMA....