tutorial tweaks

scripts/init-vlsi.sh

@@ -5,9 +5,11 @@ set -o pipefail
 
 # Initialize HAMMER and CAD-plugins
 git submodule update --init --recursive vlsi/hammer
-git submodule update --init --recursive vlsi/hammer-cadence-plugins
-git submodule update --init --recursive vlsi/hammer-synopsys-plugins
-git submodule update --init --recursive vlsi/hammer-mentor-plugins
+if [[ $1 != *openroad* ]] && [[ $2 != *openroad* ]]; then
+    git submodule update --init --recursive vlsi/hammer-cadence-plugins
+    git submodule update --init --recursive vlsi/hammer-synopsys-plugins
+    git submodule update --init --recursive vlsi/hammer-mentor-plugins
+fi
 
 # Initialize HAMMER tech plugin
 if [[ $1 != *asap7* ]] && [[ $1 != *sky130* ]]; then

vlsi/example-sky130.yml

@@ -19,7 +19,7 @@ vlsi.inputs.power_spec_type: "cpf"
 
 # Specify clock signals
 vlsi.inputs.clocks: [
-  {name: "clock_clock", period: "130ns", uncertainty: "1ns"}
+  {name: "clock_clock", period: "10ns", uncertainty: "1ns"}
 ]
 
 # Generate Make include to aid in flow 
@@ -28,7 +28,7 @@ vlsi.core.build_system: make
 # Power Straps
 par.power_straps_mode: generate
 par.generate_power_straps_method: by_tracks
-par.blockage_spacing: 2.0
+par.blockage_spacing: 40.0
 par.blockage_spacing_top_layer: met4
 par.generate_power_straps_options:
   by_tracks:
@@ -38,14 +38,16 @@ par.generate_power_straps_options:
     pin_layers:
       - met5
     blockage_spacing_met2: 4.0
-    track_width: 6
-    track_width_met5: 2
-    track_spacing: 1
+    blockage_spacing_met4: 2.0
+    blockage_spacing_met4: 2.0
+    track_width: 3
+    track_width_met5: 1
+    track_spacing: 5
     track_start: 10
     track_start_met5: 1
     power_utilization: 0.1
-    power_utilization_met4: 0.3
-    power_utilization_met5: 0.5
+    power_utilization_met4: 0.1
+    power_utilization_met5: 0.1
 
 # Placement Constraints
 vlsi.inputs.placement_constraints:
@@ -53,7 +55,7 @@ vlsi.inputs.placement_constraints:
     type: toplevel
     x: 0
     y: 0
-    width: 4500
+    width: 3800
     height: 2500
     margins:
       left: 0

vlsi/example-vlsi-sky130

@@ -48,7 +48,7 @@ class ExampleDriver(CLIDriver):
             # hammer_vlsi.HammerTool.make_pre_insertion_hook("route_design", example_add_fillers),
 
             # make_post_insertion_hook will execute the custom hook after the specified step
-            hammer_vlsi.HammerTool.make_post_insertion_hook("init_design", example_tool_settings),
+            # hammer_vlsi.HammerTool.make_post_insertion_hook("init_design", example_tool_settings),
 
             # make_replacement_hook will replace the specified step with a custom hook
             # hammer_vlsi.HammerTool.make_replacement_hook("place_tap_cells", example_place_tap_cells),