Added dumping of PS7 pins grouped by direction to JSON file.

Signed-off-by: Maciej Kurc <mkurc@antmicro.com>

minitests/ps7/xtra/Makefile

@@ -6,6 +6,7 @@ clean:
 	rm -rf xtra.ok
 	rm -rf ps7_sim.v
 	rm -rf ps7_map.v
+	rm -rf ps7_pins.json
 	rm -rf ps7.csv
 	rm -rf *.xml
 	rm -rf *.log

minitests/ps7/xtra/make_cell.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 import argparse
 import csv
+import json
 import re
 
 from collections import defaultdict
@@ -100,6 +101,27 @@ def main():
 
         bus["class"] = cls
 
+    # .....................................................
+    # Generate JSON with PS7 pins grouped by direction
+
+    ps7_pins = {"input": [], "output": [], "inout": []}
+    for name in sorted(buses.keys()):
+        bus = buses[name]
+
+        # Skip not relevant pins
+        if bus["class"] not in ["normal", "mio"]:
+            continue
+
+        if bus["width"] > 1:
+            for i in range(bus["min"], bus["max"]+1):
+                pin_name = "{}{}".format(name, i)
+                ps7_pins[bus["direction"]].append(pin_name)
+        else:
+            ps7_pins[bus["direction"]].append(name)
+    
+    with open("ps7_pins.json", "w") as fp:
+        json.dump(ps7_pins, fp, sort_keys=True, indent=2)
+
     # .....................................................
     # Generate XML model
     pb_name = "PS7"