TinyFGPA Makefile for picosoc example created on WSL using arachne-pnr

Makefile

version = 1.2 

riscvbin = /opt/riscv32i/bin/
tinyFPGA_COM ?= /dev/ttyS8

upload: hardware.bin firmware.bin
	sudo chmod 0666 $(tinyFPGA_COM)
	tinyprog --com $(tinyFPGA_COM) -p hardware.bin -u firmware.bin


hardware.blif: hardware.v spimemio.v simpleuart.v picosoc.v picorv32.v
	yosys -ql hardware.log -p 'synth_ice40 -top hardware -blif hardware.blif' $^
	# yosys -ql hardware.log -p 'synth_ice40 -top hardware -blif hardware.blif -json hardware.json ' $^

hardware.asc: hardware.pcf hardware.blif
	arachne-pnr -r -d 8k -P cm81 -o hardware.asc -p hardware.pcf hardware.blif
	# nextpnr-ice40 --lp8k --package cm81 --json hardware.json --pcf hardware.pcf --asc hardware.asc

hardware.bin: hardware.asc
	icetime -d hx8k -c 12 -mtr hardware.rpt hardware.asc
	icepack hardware.asc hardware.bin


firmware.elf: sections.lds start.S firmware.c
	$(riscvbin)/riscv32-unknown-elf-gcc -march=rv32imc -nostartfiles -Wl,-Bstatic,-T,sections.lds,--strip-debug,-Map=firmware.map,--cref  -ffreestanding -nostdlib -o firmware.elf start.S firmware.c

firmware.bin: firmware.elf
	$(riscvbin)/riscv32-unknown-elf-objcopy -O binary firmware.elf /dev/stdout > firmware.bin


clean:
	rm -f firmware.elf firmware.hex firmware.bin firmware.o firmware.map \
	      hardware.blif hardware.log hardware.asc hardware.rpt hardware.bin