Merge pull request #142 from antonblanchard/ghdl-synthesis-3

Initial support for ghdl synthesis
pull/145/head
Anton Blanchard 5 years ago committed by GitHub
commit d876484229
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# Use local tools
#GHDLSYNTH = ghdl.so
#YOSYS = yosys
#NEXTPNR = nextpnr-ecp5
#ECPPACK = ecppack
#OPENOCD = openocd

# Use Docker images
DOCKER=docker
#DOCKER=podman
#
PWD = $(shell pwd)
DOCKERARGS = run --rm -v $(PWD):/src -w /src
#
GHDLSYNTH = ghdl
YOSYS = $(DOCKER) $(DOCKERARGS) ghdl/synth:beta yosys
NEXTPNR = $(DOCKER) $(DOCKERARGS) ghdl/synth:nextpnr-ecp5 nextpnr-ecp5
ECPPACK = $(DOCKER) $(DOCKERARGS) ghdl/synth:trellis ecppack
OPENOCD = $(DOCKER) $(DOCKERARGS) --device /dev/bus/usb ghdl/synth:prog openocd


# Hello world
GHDL_IMAGE_GENERICS=-gMEMORY_SIZE=8192 -gRAM_INIT_FILE=hello_world/hello_world.hex

# Micropython
#GHDL_IMAGE_GENERICS=-gMEMORY_SIZE=393216 -gRAM_INIT_FILE=micropython/firmware.hex


# OrangeCrab with ECP85
#GHDL_TARGET_GENERICS=-gRESET_LOW=true -gCLK_INPUT=50000000 -gCLK_FREQUENCY=50000000
#LPF=constraints/orange-crab.lpf
#PACKAGE=CSFBGA285
#NEXTPNR_FLAGS=--um5g-85k --freq 50
#OPENOCD_JTAG_CONFIG=openocd/olimex-arm-usb-tiny-h.cfg
#OPENOCD_DEVICE_CONFIG=openocd/LFE5UM5G-85F.cfg

# ECP5-EVN
GHDL_TARGET_GENERICS=-gRESET_LOW=true -gCLK_INPUT=12000000 -gCLK_FREQUENCY=12000000
LPF=constraints/ecp5-evn.lpf
PACKAGE=CABGA381
NEXTPNR_FLAGS=--um5g-85k --freq 12
OPENOCD_JTAG_CONFIG=openocd/ecp5-evn.cfg
OPENOCD_DEVICE_CONFIG=openocd/LFE5UM5G-85F.cfg

VHDL_FILES = wishbone_types.vhdl utils.vhdl fpga/main_bram.vhdl
VHDL_FILES += wishbone_bram_wrapper.vhdl decode_types.vhdl common.vhdl
VHDL_FILES += fpga/pp_fifo.vhd fpga/pp_soc_uart.vhd wishbone_arbiter.vhdl
VHDL_FILES += dmi_dtm_dummy.vhdl wishbone_debug_master.vhdl helpers.vhdl
VHDL_FILES += loadstore1.vhdl crhelpers.vhdl writeback.vhdl ppc_fx_insns.vhdl
VHDL_FILES += countzero.vhdl insn_helpers.vhdl rotator.vhdl logical.vhdl
VHDL_FILES += execute1.vhdl fetch1.vhdl gpr_hazard.vhdl cr_hazard.vhdl
VHDL_FILES += control.vhdl decode2.vhdl cr_file.vhdl cache_ram.vhdl plru.vhdl
VHDL_FILES += dcache.vhdl core_debug.vhdl multiply.vhdl icache.vhdl fetch2.vhdl
VHDL_FILES += register_file.vhdl decode1.vhdl divider.vhdl core.vhdl soc.vhdl
VHDL_FILES += fpga/soc_reset.vhdl fpga/clk_gen_bypass.vhd fpga/toplevel.vhdl

all: microwatt.bit

microwatt.json: $(VHDL_FILES)
$(YOSYS) -m $(GHDLSYNTH) -p "ghdl --std=08 $(GHDL_IMAGE_GENERICS) $(GHDL_TARGET_GENERICS) $(VHDL_FILES) -e toplevel; synth_ecp5 -json $@"

microwatt_out.config: microwatt.json $(LPF)
$(NEXTPNR) --json $< --lpf $(LPF) --textcfg $@ $(NEXTPNR_FLAGS) --package $(PACKAGE)

microwatt.bit: microwatt_out.config
$(ECPPACK) --svf microwatt.svf $< $@

microwatt.svf: microwatt.bit

prog: microwatt.svf
$(OPENOCD) -f $(OPENOCD_JTAG_CONFIG) -f $(OPENOCD_DEVICE_CONFIG) -c "transport select jtag; init; svf $<; exit"

clean:
@rm -f work-obj08.cf *.bit *.json *.svf *.config

.PHONY: clean prog
.PRECIOUS: microwatt.json microwatt_out.config microwatt.bit

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LOCATE COMP "ext_clk" SITE "A10";
IOBUF PORT "ext_clk" IO_TYPE=LVCMOS33;

LOCATE COMP "ext_rst" SITE "P4";
IOBUF PORT "rst" IO_TYPE=LVCMOS33;

LOCATE COMP "uart0_txd" SITE "P3";
LOCATE COMP "uart0_rxd" SITE "P2";

IOBUF PORT "uart0_txd" IO_TYPE=LVCMOS33;
IOBUF PORT "uart0_rxd" IO_TYPE=LVCMOS33;

LOCATE COMP "led_a" SITE "A13";
LOCATE COMP "led_b" SITE "A12";
LOCATE COMP "led_c" SITE "B19";

IOBUF PORT "led_a" IO_TYPE=LVCMOS25;
IOBUF PORT "led_b" IO_TYPE=LVCMOS25;
IOBUF PORT "led_c" IO_TYPE=LVCMOS25;

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LOCATE COMP "ext_clk" SITE "A9";
IOBUF PORT "ext_clk" IO_TYPE=LVCMOS33;

LOCATE COMP "ext_rst" SITE "J2";
IOBUF PORT "ext_rst" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4;

LOCATE COMP "uart0_txd" SITE "N17";
LOCATE COMP "uart0_rxd" SITE "M18";

IOBUF PORT "uart0_txd" IO_TYPE=LVCMOS25;
IOBUF PORT "uart0_rxd" IO_TYPE=LVCMOS25;

LOCATE COMP "led_a" SITE "V17";
LOCATE COMP "led_b" SITE "T17";
LOCATE COMP "led_c" SITE "J3";

IOBUF PORT "led_a" IO_TYPE=LVCMOS25;
IOBUF PORT "led_b" IO_TYPE=LVCMOS25;
IOBUF PORT "led_c" IO_TYPE=LVCMOS25;

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jtag newtap ecp5 tap -irlen 8 -expected-id 0x41111043

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jtag newtap ecp5 tap -irlen 8 -expected-id 0x41112043

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jtag newtap ecp5 tap -irlen 8 -expected-id 0x41113043

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jtag newtap ecp5 tap -irlen 8 -expected-id 0x01111043

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jtag newtap ecp5 tap -irlen 8 -expected-id 0x01112043

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jtag newtap ecp5 tap -irlen 8 -expected-id 0x01113043

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jtag newtap ecp5 tap -irlen 8 -expected-id 0x81111043

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jtag newtap ecp5 tap -irlen 8 -expected-id 0x81112043

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jtag newtap ecp5 tap -irlen 8 -expected-id 0x81113043

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# this supports ECP5 Evaluation Board

interface ftdi
ftdi_device_desc "Lattice ECP5 Evaluation Board"
ftdi_vid_pid 0x0403 0x6010
# channel 1 does not have any functionality
ftdi_channel 0
# just TCK TDI TDO TMS, no reset
ftdi_layout_init 0xfff8 0xfffb
reset_config none

# default speed
adapter_khz 5000

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#
# Olimex ARM-USB-TINY-H
#
# http://www.olimex.com/dev/arm-usb-tiny-h.html
#

interface ftdi
ftdi_device_desc "Olimex OpenOCD JTAG ARM-USB-TINY-H"
ftdi_vid_pid 0x15ba 0x002a

ftdi_layout_init 0x0808 0x0a1b
ftdi_layout_signal nSRST -oe 0x0200
ftdi_layout_signal nTRST -data 0x0100 -oe 0x0100
ftdi_layout_signal LED -data 0x0800

# default speed
adapter_khz 5000
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