From 6d28d217f135b8e99f3a532f96458c6b1caa108e Mon Sep 17 00:00:00 2001
From: Adrian Costina <adrian.costina@analog.com>
Date: Thu, 23 Apr 2015 10:49:43 +0300
Subject: [PATCH] axi_mc_current_monitor: Added CDC and reset constraints

---
 .../axi_mc_current_monitor_constr.xdc         | 44 +++++++++++++++++++
 .../axi_mc_current_monitor_ip.tcl             |  4 ++
 2 files changed, 48 insertions(+)
 create mode 100644 library/axi_mc_current_monitor/axi_mc_current_monitor_constr.xdc

diff --git a/library/axi_mc_current_monitor/axi_mc_current_monitor_constr.xdc b/library/axi_mc_current_monitor/axi_mc_current_monitor_constr.xdc
new file mode 100644
index 000000000..51b95df89
--- /dev/null
+++ b/library/axi_mc_current_monitor/axi_mc_current_monitor_constr.xdc
@@ -0,0 +1,44 @@
+set up_clk [get_clocks -of_objects [get_ports s_axi_aclk]]
+set current_monitor_clk [get_clocks -of_objects [get_ports adc_clk_i]]
+
+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 $current_monitor_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 $up_clk]
+
+set_false_path \
+  -to [get_pins -hier */PRE -filter {NAME =~ *i_*rst_reg*}]
diff --git a/library/axi_mc_current_monitor/axi_mc_current_monitor_ip.tcl b/library/axi_mc_current_monitor/axi_mc_current_monitor_ip.tcl
index 04af9108b..7313af6eb 100644
--- a/library/axi_mc_current_monitor/axi_mc_current_monitor_ip.tcl
+++ b/library/axi_mc_current_monitor/axi_mc_current_monitor_ip.tcl
@@ -16,10 +16,14 @@ adi_ip_files axi_mc_current_monitor [list \
   "$ad_hdl_dir/library/common/up_adc_channel.v" \
   "dec256sinc24b.v" \
   "ad7401.v" \
+  "axi_mc_current_monitor_constr.xdc" \
   "axi_mc_current_monitor.v" ]
 
 adi_ip_properties axi_mc_current_monitor
 
+adi_ip_constraints axi_mc_current_monitor [list \
+  "axi_mc_current_monitor_constr.xdc" ]
+
 ipx::save_core [ipx::current_core]