Improve igloo2 example

Signed-off-by: Clifford Wolf <clifford@clifford.at>

examples/igloo2/.gitignore

@@ -1,2 +1,3 @@
-/example.edn
+/netlist.edn
+/netlist.v
 /work

examples/igloo2/example.ys

@@ -1,2 +1,3 @@
 read_verilog example.v
-synth_sf2 -top top -edif example.edn
+synth_sf2 -top top -edif netlist.edn
+write_verilog netlist.v

examples/igloo2/libero.tcl

@@ -9,6 +9,27 @@ new_project \
     -speed -1 \
     -hdl VERILOG
 
-import_files -edif {example.edn}
-run_tool –name {COMPILE}
-run_tool –name {PLACEROUTEN}
+# import_files -edif "[pwd]/netlist.edn"
+
+import_files -hdl_source "[pwd]/netlist.v"
+set_root top
+
+save_project
+
+puts "**> SYNTHESIZE"
+run_tool -name {SYNTHESIZE}
+puts "<** SYNTHESIZE"
+
+puts "**> COMPILE"
+run_tool -name {COMPILE}
+puts "<** COMPILE"
+
+puts "**> PLACEROUTE"
+run_tool -name {PLACEROUTE}
+puts "<** PLACEROUTE"
+
+# puts "**> export_bitstream"
+# export_bitstream_file -trusted_facility_file 1 -trusted_facility_file_components {FABRIC}
+# puts "<** export_bitstream"
+
+exit 0

examples/igloo2/runme.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
 set -ex
 rm -rf work
+yosys example.ys
 LM_LICENSE_FILE=1702@`hostname` /opt/microsemi/Libero_SoC_v11.9/Libero/bin/libero SCRIPT:libero.tcl