When using the AXI_7series_ddrx controller in 1/4 clocking mode, the following error occurs:
Performing Clock DRCs...
ERROR:EDK:3458 - In the core ddr, the ratio of clock frequencies is invalid for
the ports clk and freq_refclk
ERROR:EDK:3365 - Clock frequency ratio requirements not met in IP : ddr
ERROR:EDK:440 - platgen failed with errors!
make: *** [implementation/system_main_clock_generator_wrapper.ngc] Error 2
How do I resolve this issue?
This issue is caused by an invalid DRC that must be adjusted.
A patch is attached to this answer record below.
To install the patch, extract it into the projects pcore/ directory and restart XPS.
This issue is fixed in XPS 14.3/2012.3.