Forum Discussion
Seadog
Occasional Contributor
6 years agoHow to set waitrequestAllowance to 1 for an Arria 10 EMIF core
I would like to use a waitrequestAllowance of 1 with a DDR4 EMIF core in an Arria 10 design. This parameter appears in the .sopcinfo file (which I don't want to mess with, for obvious reasons), but ...
Deshi_Intel
Regular Contributor
6 years agoAlright, I get what you are trying to do now.
However since this is internal setting hardcoded in EMIF IP, we both aligned that we don't want to mess with it to prevent breaking the EMIF IP functionality.
Even if you manage to optimize the data transfer on Avalon bus but if memory controller is not ready to process the data then it won't help much in overall BW or throughput performance.
Therefore, as alternate option, feel free to checkout EMIF user guide doc (chapter 13) for some tips in optimizing memory controller.
Thanks.
Regards,
dlim