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Fix PTP clock CDC module timing constraints

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
This commit is contained in:
Alex Forencich 2022-05-05 21:41:41 -07:00
parent 84004c720d
commit 274831c268
1 changed files with 6 additions and 6 deletions
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12
syn/vivado/ptp_clock_cdc.tcl
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@ -50,26 +50,26 @@ foreach inst [get_cells -hier -filter {(ORIG_REF_NAME == ptp_clock_cdc || REF_NA
}
# sample clock
set sync_ffs [get_cells -quiet -hier -regexp ".*/src_sample_sync\[12\]_reg_reg" -filter "PARENT == $inst"]
set sync_ffs [get_cells -quiet -hier -regexp ".*/src_sync_sample_sync\[12\]_reg_reg" -filter "PARENT == $inst"]
if {[llength $sync_ffs]} {
set_property ASYNC_REG TRUE $sync_ffs
set src_clk [get_clocks -of_objects [get_pins "$inst/src_sync_reg_reg/C"]]
set dest_clk [get_clocks -of_objects [get_pins "$inst/src_sample_sync1_reg_reg/C"]]
set dest_clk [get_clocks -of_objects [get_pins "$inst/src_sync_sample_sync1_reg_reg/C"]]
set_max_delay -from [get_cells "$inst/src_sync_reg_reg"] -to [get_cells "$inst/src_sample_sync1_reg_reg"] -datapath_only [get_property -min PERIOD $src_clk]
set_max_delay -from [get_cells "$inst/src_sync_reg_reg"] -to [get_cells "$inst/src_sync_sample_sync1_reg_reg"] -datapath_only [get_property -min PERIOD $src_clk]
}
set sync_ffs [get_cells -quiet -hier -regexp ".*/dest_sample_sync\[12\]_reg_reg" -filter "PARENT == $inst"]
set sync_ffs [get_cells -quiet -hier -regexp ".*/dest_sync_sample_sync\[12\]_reg_reg" -filter "PARENT == $inst"]
if {[llength $sync_ffs]} {
set_property ASYNC_REG TRUE $sync_ffs
set src_clk [get_clocks -of_objects [get_pins "$inst/dest_sync_reg_reg/C"]]
set dest_clk [get_clocks -of_objects [get_pins "$inst/dest_sample_sync1_reg_reg/C"]]
set dest_clk [get_clocks -of_objects [get_pins "$inst/dest_sync_sample_sync1_reg_reg/C"]]
set_max_delay -from [get_cells "$inst/dest_sync_reg_reg"] -to [get_cells "$inst/dest_sample_sync1_reg_reg"] -datapath_only [get_property -min PERIOD $src_clk]
set_max_delay -from [get_cells "$inst/dest_sync_reg_reg"] -to [get_cells "$inst/dest_sync_sample_sync1_reg_reg"] -datapath_only [get_property -min PERIOD $src_clk]
}
# sample update sync