diff --git a/Makefile b/Makefile
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+# SPDX-FileCopyrightText: 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+MAKEFLAGS+=--warn-undefined-variables
+
+export CARAVEL_ROOT?=$(PWD)/caravel
+PRECHECK_ROOT?=${HOME}/mpw_precheck
+export MCW_ROOT?=$(PWD)/mgmt_core_wrapper
+SIM?=RTL
+
+# Install lite version of caravel, (1): caravel-lite, (0): caravel
+CARAVEL_LITE?=1
+
+# PDK switch varient
+export PDK?=sky130A
+#export PDK?=gf180mcuC
+export PDKPATH?=$(PDK_ROOT)/$(PDK)
+
+
+
+ifeq ($(PDK),sky130A)
+	SKYWATER_COMMIT=f70d8ca46961ff92719d8870a18a076370b85f6c
+	export OPEN_PDKS_COMMIT?=0059588eebfc704681dc2368bd1d33d96281d10f
+	export OPENLANE_TAG?=2022.11.19
+	MPW_TAG ?= mpw-8b
+
+ifeq ($(CARAVEL_LITE),1)
+	CARAVEL_NAME := caravel-lite
+	CARAVEL_REPO := https://github.com/efabless/caravel-lite
+	CARAVEL_TAG := $(MPW_TAG)
+else
+	CARAVEL_NAME := caravel
+	CARAVEL_REPO := https://github.com/efabless/caravel
+	CARAVEL_TAG := $(MPW_TAG)
+endif
+
+endif
+
+ifeq ($(PDK),sky130B)
+	SKYWATER_COMMIT=f70d8ca46961ff92719d8870a18a076370b85f6c
+	export OPEN_PDKS_COMMIT?=0059588eebfc704681dc2368bd1d33d96281d10f
+	export OPENLANE_TAG?=2022.11.19
+	MPW_TAG ?= mpw-8b
+
+ifeq ($(CARAVEL_LITE),1)
+	CARAVEL_NAME := caravel-lite
+	CARAVEL_REPO := https://github.com/efabless/caravel-lite
+	CARAVEL_TAG := $(MPW_TAG)
+else
+	CARAVEL_NAME := caravel
+	CARAVEL_REPO := https://github.com/efabless/caravel
+	CARAVEL_TAG := $(MPW_TAG)
+endif
+
+endif
+
+ifeq ($(PDK),gf180mcuC)
+
+	MPW_TAG ?= gfmpw-0b
+	CARAVEL_NAME := caravel
+	CARAVEL_REPO := https://github.com/efabless/caravel-gf180mcu
+	CARAVEL_TAG := $(MPW_TAG)
+	#OPENLANE_TAG=ddfeab57e3e8769ea3d40dda12be0460e09bb6d9
+	export OPEN_PDKS_COMMIT?=0059588eebfc704681dc2368bd1d33d96281d10f
+	export OPENLANE_TAG?=2022.11.19
+
+endif
+
+# Include Caravel Makefile Targets
+.PHONY: % : check-caravel
+%:
+	export CARAVEL_ROOT=$(CARAVEL_ROOT) && $(MAKE) -f $(CARAVEL_ROOT)/Makefile $@
+
+.PHONY: install
+install:
+	if [ -d "$(CARAVEL_ROOT)" ]; then\
+		echo "Deleting exisiting $(CARAVEL_ROOT)" && \
+		rm -rf $(CARAVEL_ROOT) && sleep 2;\
+	fi
+	echo "Installing $(CARAVEL_NAME).."
+	git clone -b $(CARAVEL_TAG) $(CARAVEL_REPO) $(CARAVEL_ROOT) --depth=1
+
+# Install DV setup
+.PHONY: simenv
+simenv:
+	docker pull efabless/dv:latest
+
+.PHONY: setup
+setup: install check-env install_mcw openlane pdk-with-volare setup-timing-scripts
+
+# Openlane
+blocks=$(shell cd openlane && find * -maxdepth 0 -type d)
+.PHONY: $(blocks)
+$(blocks): % :
+	$(MAKE) -C openlane $*
+
+dv_patterns=$(shell cd verilog/dv && find * -maxdepth 0 -type d)
+dv-targets-rtl=$(dv_patterns:%=verify-%-rtl)
+dv-targets-gl=$(dv_patterns:%=verify-%-gl)
+dv-targets-gl-sdf=$(dv_patterns:%=verify-%-gl-sdf)
+
+TARGET_PATH=$(shell pwd)
+verify_command="source ~/.bashrc && cd ${TARGET_PATH}/verilog/dv/$* && export SIM=${SIM} && make"
+dv_base_dependencies=simenv
+docker_run_verify=\
+	docker run -v ${TARGET_PATH}:${TARGET_PATH} -v ${PDK_ROOT}:${PDK_ROOT} \
+		-v ${CARAVEL_ROOT}:${CARAVEL_ROOT} \
+		-e TARGET_PATH=${TARGET_PATH} -e PDK_ROOT=${PDK_ROOT} \
+		-e CARAVEL_ROOT=${CARAVEL_ROOT} \
+		-e TOOLS=/foss/tools/riscv-gnu-toolchain-rv32i/217e7f3debe424d61374d31e33a091a630535937 \
+		-e DESIGNS=$(TARGET_PATH) \
+		-e USER_PROJECT_VERILOG=$(TARGET_PATH)/verilog \
+		-e PDK=$(PDK) \
+		-e CORE_VERILOG_PATH=$(TARGET_PATH)/mgmt_core_wrapper/verilog \
+		-e CARAVEL_VERILOG_PATH=$(TARGET_PATH)/caravel/verilog \
+		-e MCW_ROOT=$(MCW_ROOT) \
+		-u $$(id -u $$USER):$$(id -g $$USER) efabless/dv:latest \
+		sh -c $(verify_command)
+
+.PHONY: harden
+harden: $(blocks)
+
+.PHONY: verify
+verify: $(dv-targets-rtl)
+
+.PHONY: verify-all-rtl
+verify-all-rtl: $(dv-targets-rtl)
+
+.PHONY: verify-all-gl
+verify-all-gl: $(dv-targets-gl)
+
+.PHONY: verify-all-gl-sdf
+verify-all-gl-sdf: $(dv-targets-gl-sdf)
+
+$(dv-targets-rtl): SIM=RTL
+$(dv-targets-rtl): verify-%-rtl: $(dv_base_dependencies)
+	$(docker_run_verify)
+
+$(dv-targets-gl): SIM=GL
+$(dv-targets-gl): verify-%-gl: $(dv_base_dependencies)
+	$(docker_run_verify)
+
+$(dv-targets-gl-sdf): SIM=GL_SDF
+$(dv-targets-gl-sdf): verify-%-gl-sdf: $(dv_base_dependencies)
+	$(docker_run_verify)
+
+clean-targets=$(blocks:%=clean-%)
+.PHONY: $(clean-targets)
+$(clean-targets): clean-% :
+	rm -f ./verilog/gl/$*.v
+	rm -f ./spef/$*.spef
+	rm -f ./sdc/$*.sdc
+	rm -f ./sdf/$*.sdf
+	rm -f ./gds/$*.gds
+	rm -f ./mag/$*.mag
+	rm -f ./lef/$*.lef
+	rm -f ./maglef/*.maglef
+
+make_what=setup $(blocks) $(dv-targets-rtl) $(dv-targets-gl) $(dv-targets-gl-sdf) $(clean-targets)
+.PHONY: what
+what:
+	# $(make_what)
+
+# Install Openlane
+.PHONY: openlane
+openlane:
+	@if [ "$$(realpath $${OPENLANE_ROOT})" = "$$(realpath $$(pwd)/openlane)" ]; then\
+		echo "OPENLANE_ROOT is set to '$$(pwd)/openlane' which contains openlane config files"; \
+		echo "Please set it to a different directory"; \
+		exit 1; \
+	fi
+	cd openlane && $(MAKE) openlane
+
+#### Not sure if the targets following are of any use
+
+# Create symbolic links to caravel's main files
+.PHONY: simlink
+simlink: check-caravel
+### Symbolic links relative path to $CARAVEL_ROOT
+	$(eval MAKEFILE_PATH := $(shell realpath --relative-to=openlane $(CARAVEL_ROOT)/openlane/Makefile))
+	$(eval PIN_CFG_PATH  := $(shell realpath --relative-to=openlane/user_project_wrapper $(CARAVEL_ROOT)/openlane/user_project_wrapper_empty/pin_order.cfg))
+	mkdir -p openlane
+	mkdir -p openlane/user_project_wrapper
+	cd openlane &&\
+	ln -sf $(MAKEFILE_PATH) Makefile
+	cd openlane/user_project_wrapper &&\
+	ln -sf $(PIN_CFG_PATH) pin_order.cfg
+
+# Update Caravel
+.PHONY: update_caravel
+update_caravel: check-caravel
+	cd $(CARAVEL_ROOT)/ && git checkout $(CARAVEL_TAG) && git pull
+
+# Uninstall Caravel
+.PHONY: uninstall
+uninstall:
+	rm -rf $(CARAVEL_ROOT)
+
+
+# Install Pre-check
+# Default installs to the user home directory, override by "export PRECHECK_ROOT=<precheck-installation-path>"
+.PHONY: precheck
+precheck:
+	@git clone --depth=1 --branch $(MPW_TAG) https://github.com/efabless/mpw_precheck.git $(PRECHECK_ROOT)
+	@docker pull efabless/mpw_precheck:latest
+
+.PHONY: run-precheck
+run-precheck: check-pdk check-precheck
+	$(eval INPUT_DIRECTORY := $(shell pwd))
+	cd $(PRECHECK_ROOT) && \
+	docker run -v $(PRECHECK_ROOT):$(PRECHECK_ROOT) \
+	-v $(INPUT_DIRECTORY):$(INPUT_DIRECTORY) \
+	-v $(PDK_ROOT):$(PDK_ROOT) \
+	-e INPUT_DIRECTORY=$(INPUT_DIRECTORY) \
+	-e PDK_PATH=$(PDK_ROOT)/$(PDK) \
+	-e PDK_ROOT=$(PDK_ROOT) \
+	-e PDKPATH=$(PDKPATH) \
+	-u $(shell id -u $(USER)):$(shell id -g $(USER)) \
+	efabless/mpw_precheck:latest bash -c "cd $(PRECHECK_ROOT) ; python3 mpw_precheck.py --input_directory $(INPUT_DIRECTORY) --pdk_path $(PDK_ROOT)/$(PDK)"
+
+
+
+.PHONY: clean
+clean:
+	cd ./verilog/dv/ && \
+		$(MAKE) -j$(THREADS) clean
+
+check-caravel:
+	@if [ ! -d "$(CARAVEL_ROOT)" ]; then \
+		echo "Caravel Root: "$(CARAVEL_ROOT)" doesn't exists, please export the correct path before running make. "; \
+		exit 1; \
+	fi
+
+check-precheck:
+	@if [ ! -d "$(PRECHECK_ROOT)" ]; then \
+		echo "Pre-check Root: "$(PRECHECK_ROOT)" doesn't exists, please export the correct path before running make. "; \
+		exit 1; \
+	fi
+
+check-pdk:
+	@if [ ! -d "$(PDK_ROOT)" ]; then \
+		echo "PDK Root: "$(PDK_ROOT)" doesn't exists, please export the correct path before running make. "; \
+		exit 1; \
+	fi
+
+.PHONY: help
+help:
+	cd $(CARAVEL_ROOT) && $(MAKE) help
+	@$(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null | awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | sort | egrep -v -e '^[^[:alnum:]]' -e '^$@$$'
+
+
+export CUP_ROOT=$(shell pwd)
+export TIMING_ROOT?=$(shell pwd)/deps/timing-scripts
+export PROJECT_ROOT=$(CUP_ROOT)
+timing-scripts-repo=https://github.com/efabless/timing-scripts.git
+
+$(TIMING_ROOT):
+	@mkdir -p $(CUP_ROOT)/deps
+	@git clone $(timing-scripts-repo) $(TIMING_ROOT)
+
+.PHONY: setup-timing-scripts
+setup-timing-scripts: $(TIMING_ROOT)
+	@( cd $(TIMING_ROOT) && git pull )
+	@#( cd $(TIMING_ROOT) && git fetch && git checkout $(MPW_TAG); )
+	@python3 -m venv ./venv 
+		. ./venv/bin/activate && \
+		python3 -m pip install --upgrade pip && \
+		python3 -m pip install -r $(TIMING_ROOT)/requirements.txt && \
+		deactivate
+
+./verilog/gl/user_project_wrapper.v:
+	$(error you don't have $@)
+
+./env/spef-mapping.tcl: 
+	@echo "run the following:"
+	@echo "make extract-parasitics"
+	@echo "make create-spef-mapping"
+	exit 1
+
+.PHONY: create-spef-mapping
+create-spef-mapping: ./verilog/gl/user_project_wrapper.v
+	@. ./venv/bin/activate && \
+		python3 $(TIMING_ROOT)/scripts/generate_spef_mapping.py \
+			-i ./verilog/gl/user_project_wrapper.v \
+			-o ./env/spef-mapping.tcl \
+			--pdk-path $(PDK_ROOT)/$(PDK) \
+			--macro-parent mprj \
+			--project-root "$(CUP_ROOT)" && \
+		deactivate
+
+.PHONY: extract-parasitics
+extract-parasitics: ./verilog/gl/user_project_wrapper.v
+	@. ./venv/bin/activate && \
+		python3 $(TIMING_ROOT)/scripts/get_macros.py \
+		-i ./verilog/gl/user_project_wrapper.v \
+		-o ./tmp-macros-list \
+		--project-root "$(CUP_ROOT)" \
+		--pdk-path $(PDK_ROOT)/$(PDK) && \
+		deactivate
+		@cat ./tmp-macros-list | cut -d " " -f2 \
+			| xargs -I % bash -c "$(MAKE) -C $(TIMING_ROOT) \
+				-f $(TIMING_ROOT)/timing.mk rcx-% || echo 'Cannot extract %. Probably no def for this macro'"
+	@$(MAKE) -C $(TIMING_ROOT) -f $(TIMING_ROOT)/timing.mk rcx-user_project_wrapper
+	@cat ./tmp-macros-list
+	@rm ./tmp-macros-list
+	
+.PHONY: caravel-sta
+caravel-sta: ./env/spef-mapping.tcl
+	@$(MAKE) -C $(TIMING_ROOT) -f $(TIMING_ROOT)/timing.mk caravel-timing-typ
+	@$(MAKE) -C $(TIMING_ROOT) -f $(TIMING_ROOT)/timing.mk caravel-timing-fast
+	@$(MAKE) -C $(TIMING_ROOT) -f $(TIMING_ROOT)/timing.mk caravel-timing-slow
+	@echo "You can find results for all corners in $(CUP_ROOT)/signoff/caravel/openlane-signoff/timing/"