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NAME := pyprofibusphy
TARGET := tinyfpga_bx
TARGET_NAME := $(TARGET)_$(NAME)
DEBUG := 0
YOSYS := yosys
NEXTPNR := nextpnr
ICEPACK := icepack
ICETIME := icetime
ICEPLL := icepll
TINYPROG := tinyprog
PYTHON := python3
CAT := cat
GREP := grep
PRINTF := printf
RM := rm
FALSE := false
TR := tr
TEST := test
TOUCH := touch
GIT := git
TARGET_LOWER := $(shell $(PRINTF) '%s' '$(TARGET)' | $(TR) A-Z a-z)
TARGET_UPPER := $(shell $(PRINTF) '%s' '$(TARGET)' | $(TR) a-z A-Z)
TOP_FILE := main.v
TOP_MODULE := top_module
PCF_FILE := $(TARGET_LOWER).pcf
PLL_MOD_V_FILE := pll_mod.v
GENERATED_V := crc8_func.v
ifeq ($(TARGET_LOWER),tinyfpga_bx)
YOSYS_SYNTH_CMD = 'synth_ice40 -top $(TOP_MODULE) -json $(patsubst %.blif,%.json,$@) -blif $@'
PNR_PACKAGE := cm81
NEXTPNR_ARCH := ice40
DEVICE := lp8k
else
$(error TARGET $(TARGET) is invalid)
endif
YOSYS_LOG := $(TARGET_NAME)_yosys.log
NEXTPNR_LOG := $(TARGET_NAME)_nextpnr.log
ICEPACK_LOG := $(TARGET_NAME)_icepack.log
ICETIME_LOG := $(TARGET_NAME)_icetime.log
LOG = >$(1) 2>&1 || ( $(CAT) $(1); $(FALSE) )
.DEFAULT_GOAL := all
all: $(TARGET_NAME).bin $(TARGET_NAME).rpt
ifeq ($(TARGET_LOWER),tinyfpga_bx)
CLK_HZ := 16000000
PLL_HZ := 24000000
PLL_MOD_V := $(PLL_MOD_V_FILE)
CLK_MHZ := $(shell expr $(CLK_HZ) / 1000000)
PLL_MHZ := $(shell expr $(PLL_HZ) / 1000000)
$(PLL_MOD_V):
$(ICEPLL) -q -f $@ -m -n pll_module -i $(CLK_MHZ) -o $(PLL_MHZ)
else
CLK_HZ := 16000000
PLL_HZ := 16000000
PLL_MOD_V :=
endif
crcgen.stamp:
$(TEST) -f ./crcgen/crcgen/__main__.py || $(GIT) submodule update --init
$(TOUCH) $@
crc8_func.v: crcgen.stamp
PYTHONPATH=./crcgen $(PYTHON) ./crcgen/crcgen --algorithm CRC-8-CCITT --verilog-function --name crc8 > $@
%.blif: $(TOP_FILE) $(wildcard *.v) $(GENERATED_V) $(PLL_MOD_V)
$(YOSYS) -p 'read_verilog -DTARGET_$(TARGET_UPPER)=1 -DCLK_HZ=$(CLK_HZ) -DPLL_HZ=$(PLL_HZ) $(if $(filter-out 0,$(DEBUG)),-DDEBUG=1) $<' \
-p $(YOSYS_SYNTH_CMD) \
$(call LOG,$(YOSYS_LOG))
%.asc: $(PCF_FILE) %.blif
$(NEXTPNR)-$(NEXTPNR_ARCH) --$(DEVICE) --package $(PNR_PACKAGE) --json $(TARGET_NAME).json --pcf $< --asc $@ \
$(call LOG,$(NEXTPNR_LOG))
%.bin: %.asc
$(ICEPACK) $< $@ $(call LOG,$(ICEPACK_LOG))
%.rpt: %.asc %.bin
$(ICETIME) -d $(DEVICE) -p $(PCF_FILE) -m -t -r $@ $< \
$(call LOG,$(ICETIME_LOG))
-@$(PRINTF) '\n'
-@$(GREP) -i -e 'Total' $@
-@$(GREP) -i -Ee 'Max frequency|Max delay' $(NEXTPNR_LOG)
-@$(PRINTF) '\n'
-@$(GREP) --color=auto -H -n -i -e 'Warning' $(YOSYS_LOG) $(NEXTPNR_LOG) $(ICEPACK_LOG)
-@$(PRINTF) '\n'
-@$(GREP) -A6 -i -e 'Device utilisation' $(NEXTPNR_LOG)
install: $(TARGET_NAME).bin
$(TINYPROG) -p $<
boot:
$(TINYPROG) -b
clean:
$(RM) -f *.blif *.json *.asc *.bin *.rpt crcgen.stamp $(YOSYS_LOG) $(NEXTPNR_LOG) $(ICEPACK_LOG) $(ICETIME_LOG) $(GENERATED_V) $(PLL_MOD_V_FILE)
.PHONY: all install boot clean
.PRECIOUS: %.json %.blif %.asc
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