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64 lines
1.7 KiB
Makefile
64 lines
1.7 KiB
Makefile
# Simple Fomu Makefile
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# --------------------
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# This Makefile shows the steps to generate a DFU loadable image onto
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# Fomu hacker board.
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include ../../hdl/board.mk
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# Default target: run all required targets to build the DFU image.
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all: blink.dfu
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@true
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.DEFAULT: all
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# Call sbt to generate the Blink.sv from Chisel.
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# Please note that in general, it is a lot faster to
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# start `sbt` once and then to run `run` on the `sbt`
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# command line every time you want to rebuild the verilog.
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# Unfortunately `sbt` start up times are notoriously bad :(
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Blink.sv: src/Blink.scala build.sbt
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sbt "run $(FOMU_REV)"
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# Use *Yosys* to generate the synthesized netlist.
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# This is called the **synthesis** and **tech mapping** step.
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blink.json: Blink.sv
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yosys \
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$(YOSYSFLAGS) \
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-p 'synth_ice40 -top Blink -json blink.json' Blink.sv
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# Use **nextpnr** to generate the FPGA configuration.
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# This is called the **place** and **route** step.
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blink.asc: blink.json
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nextpnr-ice40 \
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$(PNRFLAGS) \
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--json blink.json \
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--asc blink.asc
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# Use icepack to convert the FPGA configuration into a "bitstream" loadable onto the FPGA.
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# This is called the bitstream generation step.
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blink.bit: blink.asc
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icepack blink.asc blink.bit
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# Use dfu-suffix to generate the DFU image from the FPGA bitstream.
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blink.dfu: blink.bit
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cp blink.bit blink.dfu
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dfu-suffix -v 1209 -p 70b1 -a blink.dfu
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# Use df-util to load the DFU image onto the Fomu.
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load: blink.dfu
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dfu-util -D blink.dfu
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.PHONY: load
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# Cleanup the generated files.
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clean:
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-rm -f Blink.fir
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-rm -f Blink.anno.json
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-rm -f Blink.sv
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-rm -f blink.json # Generate netlist
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-rm -f blink.asc # FPGA configuration
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-rm -f blink.bit # FPGA bitstream
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-rm -f blink.dfu # DFU image loadable onto the Fomu
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.PHONY: clean
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