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reyk

vivado 2018.2 zybo z7 critical warnings, no synth

Question

Building an IP integrator design in vivado 2018.2 using the board files for Zybo Z7 throws the following critical warnings

 

validate_bd_design
CRITICAL WARNING: [PSU-1]  Parameter : PCW_UIPARAM_DDR_DQS_TO_CLK_DELAY_0 has negative value -0.050 . PS DDR interfaces might fail when entering negative DQS skew values. 
CRITICAL WARNING: [PSU-2]  Parameter : PCW_UIPARAM_DDR_DQS_TO_CLK_DELAY_1 has negative value -0.044 . PS DDR interfaces might fail when entering negative DQS skew values. 
CRITICAL WARNING: [PSU-3]  Parameter : PCW_UIPARAM_DDR_DQS_TO_CLK_DELAY_2 has negative value -0.035 . PS DDR interfaces might fail when entering negative DQS skew values. 
CRITICAL WARNING: [PSU-4]  Parameter : PCW_UIPARAM_DDR_DQS_TO_CLK_DELAY_3 has negative value -0.100 . PS DDR interfaces might fail when entering negative DQS skew values

Is there a workaround to build a platform to run linux on Zybo Z7?

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