81 lines
2.0 KiB
Makefile
81 lines
2.0 KiB
Makefile
YOSYS=yosys
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NEXTPNR=nextpnr-ice40
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CHIPNAME?=chip
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DEVICE?=hx8k
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PACKAGE?=bg121
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DEFINES+=FPGA FPGA_ICE40
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PRE_SYNTH_CMD?=
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SYNTH_OPT?=
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PNR_OPT?=
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SYNTH_CMD=read_verilog $(addprefix -I,$(INCDIRS)) $(addprefix -D,$(DEFINES)) $(SRCS);
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ifneq (,$(TOP))
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SYNTH_CMD+=hierarchy -top $(TOP);
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endif
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SYNTH_CMD+=$(PRE_SYNTH_CMD)
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SYNTH_CMD+=synth_ice40 $(SYNTH_OPT); write_json $(CHIPNAME).json
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# Kill implicit rules
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.SUFFIXES:
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.IMPLICIT:
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.PHONY: all romfiles synth clean program dump
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all: bit
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romfiles::
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synth: romfiles $(CHIPNAME).json
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dump: romfiles
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pnr: synth $(CHIPNAME).asc
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bit: pnr $(CHIPNAME).bin
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SRCS=$(shell PROJ_ROOT=$(PROJ_ROOT) HDL=$(HDL) $(SCRIPTS)/listfiles --relative -f flat $(DOTF))
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INCDIRS=$(shell PROJ_ROOT=$(PROJ_ROOT) HDL=$(HDL) $(SCRIPTS)/listfiles --relative -f flati $(DOTF))
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dump:
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$(YOSYS) -p "$(SYNTH_CMD); write_verilog $(CHIPNAME)_synth.v"
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$(CHIPNAME).json: $(SRCS)
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@echo ">>> Synth"
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@echo
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$(YOSYS) -p "$(SYNTH_CMD)" > synth.log
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tail -n 35 synth.log
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$(CHIPNAME).asc: $(CHIPNAME).json $(CHIPNAME).pcf
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@echo ">>> Place and Route"
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@echo
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$(NEXTPNR) -r --$(DEVICE) --package $(PACKAGE) --pcf $(CHIPNAME).pcf --json $(CHIPNAME).json --asc $(CHIPNAME).asc $(PNR_OPT) --quiet --log pnr.log
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@grep "Info: Max frequency for clock " pnr.log | tail -n 1
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$(CHIPNAME).bin: $(CHIPNAME).asc
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@echo ">>> Generate Bitstream"
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@echo
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icepack -s $(CHIPNAME).asc $(CHIPNAME).bin
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clean::
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rm -f $(CHIPNAME).json $(CHIPNAME).asc $(CHIPNAME).bin $(CHIPNAME)_synth.v
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rm -f synth.log pnr.log
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# Code for trying n different pnr seeds and reporting results
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PNR_N_TRIES := 100
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PNR_TRY_LIST := $(shell seq $(PNR_N_TRIES))
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pnr_sweep: $(addprefix pnr_try,$(PNR_TRY_LIST))
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define make-sweep-target
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pnr_try$1: synth
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@echo ">>> Starting sweep $1"
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-$(NEXTPNR) --seed $1 --$(DEVICE) --package $(PACKAGE) --pcf $(CHIPNAME).pcf --json $(CHIPNAME).json --asc pnr_try$1.asc $(PNR_OPT) --quiet --log pnr$1.log
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@grep "Info: Max frequency for clock " pnr$1.log | tail -n 1
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endef
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$(foreach try,$(PNR_TRY_LIST),$(eval $(call make-sweep-target,$(try))))
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clean::
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rm -f pnr_try*.asc pnr*.log
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