AR# 70040

描述

After upgrading a design to Vivado 2017.3, when changing the clock frequency of a PS AXI interface, the following warning can occur.

How do I resolve it?

WARNING: [BD 41-702] Propagation TCL tries to overwrite USER strength parameter PSU__M_AXI_GP2__FREQMHZ() on '/zynq_ultra_ps_e_0' with propagated value(). Command ignored

解决方案

To work around this issue after an upgrade to Vivado 2017.3, the PS block can be replaced.

This can be accomplished by parameterizing a new PS block and then using the following Tcl command to swap the IP instances without having to reconnect interfaces:

replace_bd_cell old_instname new_instname

Alternatively, to avoid this issue you can apply the patch in (Xilinx Answer 69960) to Vivado 2017.3 before upgrading a previous design.

This upgrade issue will be fixed starting in Vivado 2017.4.

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