axi_mc_speed : Added CDC and reset constraints

main
Adrian Costina 2015-04-23 10:50:49 +03:00
parent 6d28d217f1
commit 1b4e6bdc80
2 changed files with 48 additions and 0 deletions

View File

@ -0,0 +1,44 @@
set up_clk [get_clocks -of_objects [get_ports s_axi_aclk]]
set speed_clk [get_clocks -of_objects [get_ports ref_clk]]
set_property ASYNC_REG TRUE \
[get_cells -hier *toggle_m1_reg*] \
[get_cells -hier *toggle_m2_reg*] \
[get_cells -hier *state_m1_reg*] \
[get_cells -hier *state_m2_reg*]
set_false_path \
-from [get_cells -hier up_xfer_toggle_reg* -filter {primitive_subgroup == flop}] \
-to [get_cells -hier d_xfer_toggle_m1_reg* -filter {primitive_subgroup == flop}]
set_false_path \
-from [get_cells -hier d_xfer_toggle_reg* -filter {primitive_subgroup == flop}] \
-to [get_cells -hier up_xfer_state_m1_reg* -filter {primitive_subgroup == flop}]
set_max_delay -datapath_only \
-from [get_cells -hier up_xfer_data_reg* -filter {primitive_subgroup == flop}] \
-to [get_cells -hier d_data_cntrl_reg* -filter {primitive_subgroup == flop}] \
[get_property PERIOD $speed_clk]
set_false_path \
-from [get_cells -hier d_xfer_toggle_reg* -filter {primitive_subgroup == flop}] \
-to [get_cells -hier up_xfer_toggle_m1_reg* -filter {primitive_subgroup == flop}]
set_false_path \
-from [get_cells -hier up_xfer_toggle_reg* -filter {primitive_subgroup == flop}] \
-to [get_cells -hier d_xfer_state_m1_reg* -filter {primitive_subgroup == flop}]
set_max_delay -datapath_only \
-from [get_cells -hier d_xfer_data_reg* -filter {primitive_subgroup == flop}] \
-to [get_cells -hier up_data_status_reg* -filter {primitive_subgroup == flop}] \
[get_property PERIOD $up_clk]
set_false_path \
-from [get_cells -hier up_count_toggle_reg* -filter {primitive_subgroup == flop}] \
-to [get_cells -hier d_count_toggle_m1_reg* -filter {primitive_subgroup == flop}]
set_false_path \
-from [get_cells -hier d_count_toggle_reg* -filter {primitive_subgroup == flop}] \
-to [get_cells -hier up_count_toggle_m1_reg* -filter {primitive_subgroup == flop}]
set_max_delay -datapath_only \
-from [get_cells -hier d_count_hold_reg* -filter {primitive_subgroup == flop}] \
-to [get_cells -hier up_d_count_reg* -filter {primitive_subgroup == flop}] \
[get_property PERIOD $up_clk]
set_false_path \
-to [get_pins -hier */PRE -filter {NAME =~ *i_*rst_reg*}]

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@ -17,10 +17,14 @@ adi_ip_files axi_mc_speed [list \
"debouncer.v" \
"speed_detector.v" \
"delay_30_degrees.v" \
"axi_mc_speed_constr.xdc" \
"axi_mc_speed.v" ]
adi_ip_properties axi_mc_speed
adi_ip_constraints axi_mc_speed [list \
"axi_mc_speed_constr.xdc" ]
ipx::save_core [ipx::current_core]