minor tweaks

vlsi/Makefile

@@ -37,7 +37,7 @@ ENV_YML            ?= $(vlsi_dir)/env.yml
 TECH_CONF          ?= $(if $(filter $(tech_name),nangate45), 	example-nangate45.yml,\
                       $(if $(filter $(tech_name),asap7),		example-asap7.yml,\
 																example-sky130.yml))
-TOOLS_CONF		   ?= example-tools.yml
+TOOLS_CONF         ?= example-tools.yml
 INPUT_CONFS        ?= $(TOOLS_CONF) $(TECH_CONF)
 HAMMER_EXEC        ?= $(if $(filter $(tech_name),sky130),\
                         ./example-vlsi-sky130,\

vlsi/example-designs/sky130-openroad-sramdev.yml

@@ -1,51 +0,0 @@
-# Override configurations in ../example-sky130.yml
-
-# Specify clock signals
-vlsi.inputs.clocks: [
-  {name: "clock_clock", period: "10ns", uncertainty: "1ns"}
-]
-
-# Power Straps
-par.power_straps_mode: generate
-par.generate_power_straps_method: by_tracks
-par.blockage_spacing: 40.0
-par.blockage_spacing_top_layer: met4
-par.generate_power_straps_options:
-  by_tracks:
-    strap_layers:
-      - met4
-      - met5
-    pin_layers:
-      - met5
-    blockage_spacing_met2: 4.0
-    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: 0.1
-    power_utilization_met5: 0.1
-
-# Placement Constraints
-vlsi.inputs.placement_constraints:
-  - path: "ChipTop"
-    type: toplevel
-    x: 0
-    y: 0
-    width: 4000
-    height: 2500
-    margins:
-      left: 0
-      right: 0
-      top: 0
-      bottom: 0
-
-# Pin placement constraints
-vlsi.inputs.pin_mode: generated
-vlsi.inputs.pin.generate_mode: semi_auto
-vlsi.inputs.pin.assignments: [
-  {pins: "*", layers: ["met2", "met4"], side: "bottom"}
-]

vlsi/tutorial.mk

@@ -34,15 +34,3 @@ ifeq ($(tutorial),sky130-openroad)
 	INPUT_CONFS		  ?= $(TOOLS_CONF) $(TECH_CONF) $(DESIGN_CONF) $(EXTRA_CONFS) 
 	VLSI_OBJ_DIR	  ?= build-sky130-openroad
 endif
-
-ifeq ($(tutorial),sky130-openroad-sramdev)
-	tech_name         ?= sky130
-	CONFIG			  ?= TinyRocketConfig
-	TOOLS_CONF	      ?= example-openroad.yml
-	TECH_CONF		  ?= example-sky130.yml
-	DESIGN_CONF		  ?= example-designs/sky130-openroad-sramdev.yml
-	EXTRA_CONFS       ?= $(if $(filter $(TOP),Rocket RocketTile), example-designs/sky130-rocket.yml, )
-	INPUT_CONFS		  ?= $(TOOLS_CONF) $(TECH_CONF) $(DESIGN_CONF) $(EXTRA_CONFS) 
-	SMEMS_CACHE		  ?= $(abspath .)/hammer/src/hammer-vlsi/technology/sky130/sram-cache-dev.json
-	VLSI_OBJ_DIR	  ?= build-sky130-openroad-sramdev
-endif