mirror of
https://github.com/fpganinja/taxi.git
synced 2025-12-09 17:08:38 -08:00
example/VCU118: Add example design for VCU118
Signed-off-by: Alex Forencich <alex@alexforencich.com>
This commit is contained in:
Alex Forencich
54
example/VCU118/fpga/tb/fpga_core/Makefile
Normal file
54
example/VCU118/fpga/tb/fpga_core/Makefile
Normal file
@@ -0,0 +1,54 @@
|
||||
# SPDX-License-Identifier: MIT
|
||||
#
|
||||
# Copyright (c) 2020-2025 FPGA Ninja, LLC
|
||||
#
|
||||
# Authors:
|
||||
# - Alex Forencich
|
||||
|
||||
TOPLEVEL_LANG = verilog
|
||||
|
||||
SIM ?= verilator
|
||||
WAVES ?= 0
|
||||
|
||||
COCOTB_HDL_TIMEUNIT = 1ns
|
||||
COCOTB_HDL_TIMEPRECISION = 1ps
|
||||
|
||||
DUT = fpga_core
|
||||
COCOTB_TEST_MODULES = test_$(DUT)
|
||||
COCOTB_TOPLEVEL = $(DUT)
|
||||
MODULE = $(COCOTB_TEST_MODULES)
|
||||
TOPLEVEL = $(COCOTB_TOPLEVEL)
|
||||
VERILOG_SOURCES += ../../rtl/$(DUT).sv
|
||||
VERILOG_SOURCES += ../../lib/taxi/rtl/eth/taxi_eth_mac_1g_fifo.f
|
||||
VERILOG_SOURCES += ../../lib/taxi/rtl/eth/us/taxi_eth_mac_25g_us.f
|
||||
VERILOG_SOURCES += ../../lib/taxi/rtl/lss/taxi_uart.f
|
||||
VERILOG_SOURCES += ../../lib/taxi/rtl/lss/taxi_mdio_master.sv
|
||||
VERILOG_SOURCES += ../../lib/taxi/rtl/sync/taxi_sync_reset.sv
|
||||
VERILOG_SOURCES += ../../lib/taxi/rtl/sync/taxi_sync_signal.sv
|
||||
VERILOG_SOURCES += ../../lib/taxi/rtl/io/taxi_debounce_switch.sv
|
||||
|
||||
# handle file list files
|
||||
process_f_file = $(call process_f_files,$(addprefix $(dir $1),$(shell cat $1)))
|
||||
process_f_files = $(foreach f,$1,$(if $(filter %.f,$f),$(call process_f_file,$f),$f))
|
||||
uniq_base = $(if $1,$(call uniq_base,$(foreach f,$1,$(if $(filter-out $(notdir $(lastword $1)),$(notdir $f)),$f,))) $(lastword $1))
|
||||
VERILOG_SOURCES := $(call uniq_base,$(call process_f_files,$(VERILOG_SOURCES)))
|
||||
|
||||
# module parameters
|
||||
export PARAM_SIM := "1'b1"
|
||||
export PARAM_VENDOR := "\"XILINX\""
|
||||
export PARAM_FAMILY := "\"virtexuplus\""
|
||||
|
||||
ifeq ($(SIM), icarus)
|
||||
PLUSARGS += -fst
|
||||
|
||||
COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(COCOTB_TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
|
||||
else ifeq ($(SIM), verilator)
|
||||
COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
|
||||
|
||||
ifeq ($(WAVES), 1)
|
||||
COMPILE_ARGS += --trace-fst
|
||||
VERILATOR_TRACE = 1
|
||||
endif
|
||||
endif
|
||||
|
||||
include $(shell cocotb-config --makefiles)/Makefile.sim
|
||||
1
example/VCU118/fpga/tb/fpga_core/baser.py
Symbolic link
1
example/VCU118/fpga/tb/fpga_core/baser.py
Symbolic link
@@ -0,0 +1 @@
|
||||
../../lib/taxi/tb/eth/baser.py
|
||||
286
example/VCU118/fpga/tb/fpga_core/test_fpga_core.py
Normal file
286
example/VCU118/fpga/tb/fpga_core/test_fpga_core.py
Normal file
@@ -0,0 +1,286 @@
|
||||
#!/usr/bin/env python
|
||||
# SPDX-License-Identifier: MIT
|
||||
"""
|
||||
|
||||
Copyright (c) 2020-2025 FPGA Ninja, LLC
|
||||
|
||||
Authors:
|
||||
- Alex Forencich
|
||||
|
||||
"""
|
||||
|
||||
import logging
|
||||
import os
|
||||
import sys
|
||||
|
||||
import cocotb_test.simulator
|
||||
|
||||
import cocotb
|
||||
from cocotb.log import SimLog
|
||||
from cocotb.clock import Clock
|
||||
from cocotb.triggers import RisingEdge, Combine
|
||||
|
||||
from cocotbext.eth import GmiiFrame, GmiiSource, GmiiSink
|
||||
from cocotbext.eth import XgmiiFrame
|
||||
from cocotbext.uart import UartSource, UartSink
|
||||
|
||||
try:
|
||||
from baser import BaseRSerdesSource, BaseRSerdesSink
|
||||
except ImportError:
|
||||
# attempt import from current directory
|
||||
sys.path.insert(0, os.path.join(os.path.dirname(__file__)))
|
||||
try:
|
||||
from baser import BaseRSerdesSource, BaseRSerdesSink
|
||||
finally:
|
||||
del sys.path[0]
|
||||
|
||||
|
||||
class TB:
|
||||
def __init__(self, dut, speed=1000e6):
|
||||
self.dut = dut
|
||||
|
||||
self.log = SimLog("cocotb.tb")
|
||||
self.log.setLevel(logging.DEBUG)
|
||||
|
||||
cocotb.start_soon(Clock(dut.clk_125mhz, 8, units="ns").start())
|
||||
cocotb.start_soon(Clock(dut.phy_gmii_clk, 8, units="ns").start())
|
||||
cocotb.start_soon(Clock(dut.qsfp1_mgt_refclk_0_p, 6.4, units="ns").start())
|
||||
|
||||
self.gmii_source = GmiiSource(dut.phy_gmii_rxd, dut.phy_gmii_rx_er, dut.phy_gmii_rx_dv,
|
||||
dut.phy_gmii_clk, dut.phy_gmii_rst, dut.phy_gmii_clk_en)
|
||||
self.gmii_sink = GmiiSink(dut.phy_gmii_txd, dut.phy_gmii_tx_er, dut.phy_gmii_tx_en,
|
||||
dut.phy_gmii_clk, dut.phy_gmii_rst, dut.phy_gmii_clk_en)
|
||||
|
||||
self.uart_source = UartSource(dut.uart_rxd, baud=115200, bits=8, stop_bits=1)
|
||||
self.uart_sink = UartSink(dut.uart_txd, baud=115200, bits=8, stop_bits=1)
|
||||
|
||||
self.qsfp_sources = []
|
||||
self.qsfp_sinks = []
|
||||
|
||||
for inst in dut.gty_quad:
|
||||
for ch in inst.mac_inst.ch:
|
||||
cocotb.start_soon(Clock(ch.ch_inst.tx_clk, 2.56, units="ns").start())
|
||||
cocotb.start_soon(Clock(ch.ch_inst.rx_clk, 2.56, units="ns").start())
|
||||
|
||||
self.qsfp_sources.append(BaseRSerdesSource(ch.ch_inst.serdes_rx_data, ch.ch_inst.serdes_rx_hdr, ch.ch_inst.rx_clk, slip=ch.ch_inst.serdes_rx_bitslip, reverse=True))
|
||||
self.qsfp_sinks.append(BaseRSerdesSink(ch.ch_inst.serdes_tx_data, ch.ch_inst.serdes_tx_hdr, ch.ch_inst.tx_clk, reverse=True))
|
||||
|
||||
dut.phy_gmii_clk_en.setimmediatevalue(1)
|
||||
|
||||
dut.btnu.setimmediatevalue(0)
|
||||
dut.btnl.setimmediatevalue(0)
|
||||
dut.btnd.setimmediatevalue(0)
|
||||
dut.btnr.setimmediatevalue(0)
|
||||
dut.btnc.setimmediatevalue(0)
|
||||
dut.sw.setimmediatevalue(0)
|
||||
dut.uart_rts.setimmediatevalue(0)
|
||||
|
||||
async def init(self):
|
||||
|
||||
self.dut.rst_125mhz.setimmediatevalue(0)
|
||||
self.dut.phy_gmii_rst.setimmediatevalue(0)
|
||||
|
||||
for k in range(10):
|
||||
await RisingEdge(self.dut.clk_125mhz)
|
||||
|
||||
self.dut.rst_125mhz.value = 1
|
||||
self.dut.phy_gmii_rst.value = 1
|
||||
|
||||
for k in range(10):
|
||||
await RisingEdge(self.dut.clk_125mhz)
|
||||
|
||||
self.dut.rst_125mhz.value = 0
|
||||
self.dut.phy_gmii_rst.value = 0
|
||||
|
||||
for k in range(10):
|
||||
await RisingEdge(self.dut.clk_125mhz)
|
||||
|
||||
|
||||
async def uart_test(tb, source, sink):
|
||||
tb.log.info("Test UART")
|
||||
|
||||
tx_data = b"FPGA"
|
||||
|
||||
tb.log.info("UART TX: %s", tx_data)
|
||||
|
||||
await source.write(tx_data)
|
||||
|
||||
rx_data = bytearray()
|
||||
|
||||
while len(rx_data) < len(tx_data):
|
||||
rx_data.extend(await sink.read())
|
||||
|
||||
tb.log.info("UART RX: %s", rx_data)
|
||||
|
||||
tb.log.info("UART test done")
|
||||
|
||||
|
||||
async def mac_test(tb, source, sink):
|
||||
tb.log.info("Test MAC")
|
||||
|
||||
tb.log.info("Multiple small packets")
|
||||
|
||||
count = 64
|
||||
|
||||
pkts = [bytearray([(x+k) % 256 for x in range(60)]) for k in range(count)]
|
||||
|
||||
for p in pkts:
|
||||
await source.send(GmiiFrame.from_payload(p))
|
||||
|
||||
for k in range(count):
|
||||
rx_frame = await sink.recv()
|
||||
|
||||
tb.log.info("RX frame: %s", rx_frame)
|
||||
|
||||
assert rx_frame.get_payload() == pkts[k]
|
||||
assert rx_frame.check_fcs()
|
||||
assert rx_frame.error is None
|
||||
|
||||
tb.log.info("Multiple large packets")
|
||||
|
||||
count = 32
|
||||
|
||||
pkts = [bytearray([(x+k) % 256 for x in range(1514)]) for k in range(count)]
|
||||
|
||||
for p in pkts:
|
||||
await source.send(GmiiFrame.from_payload(p))
|
||||
|
||||
for k in range(count):
|
||||
rx_frame = await sink.recv()
|
||||
|
||||
tb.log.info("RX frame: %s", rx_frame)
|
||||
|
||||
assert rx_frame.get_payload() == pkts[k]
|
||||
assert rx_frame.check_fcs()
|
||||
assert rx_frame.error is None
|
||||
|
||||
tb.log.info("MAC test done")
|
||||
|
||||
|
||||
async def mac_test_25g(tb, source, sink):
|
||||
tb.log.info("Test MAC")
|
||||
|
||||
tb.log.info("Multiple small packets")
|
||||
|
||||
count = 64
|
||||
|
||||
pkts = [bytearray([(x+k) % 256 for x in range(60)]) for k in range(count)]
|
||||
|
||||
for p in pkts:
|
||||
await source.send(XgmiiFrame.from_payload(p))
|
||||
|
||||
for k in range(count):
|
||||
rx_frame = await sink.recv()
|
||||
|
||||
tb.log.info("RX frame: %s", rx_frame)
|
||||
|
||||
assert rx_frame.get_payload() == pkts[k]
|
||||
assert rx_frame.check_fcs()
|
||||
|
||||
tb.log.info("Multiple large packets")
|
||||
|
||||
count = 32
|
||||
|
||||
pkts = [bytearray([(x+k) % 256 for x in range(1514)]) for k in range(count)]
|
||||
|
||||
for p in pkts:
|
||||
await source.send(XgmiiFrame.from_payload(p))
|
||||
|
||||
for k in range(count):
|
||||
rx_frame = await sink.recv()
|
||||
|
||||
tb.log.info("RX frame: %s", rx_frame)
|
||||
|
||||
assert rx_frame.get_payload() == pkts[k]
|
||||
assert rx_frame.check_fcs()
|
||||
|
||||
tb.log.info("MAC test done")
|
||||
|
||||
|
||||
@cocotb.test()
|
||||
async def run_test(dut):
|
||||
|
||||
tb = TB(dut)
|
||||
|
||||
await tb.init()
|
||||
|
||||
tests = []
|
||||
|
||||
tb.log.info("Start UART test")
|
||||
|
||||
tests.append(cocotb.start_soon(uart_test(tb, tb.uart_source, tb.uart_sink)))
|
||||
|
||||
tb.log.info("Start BASE-T MAC loopback test")
|
||||
|
||||
tests.append(cocotb.start_soon(mac_test(tb, tb.gmii_source, tb.gmii_sink)))
|
||||
|
||||
for k in range(len(tb.qsfp_sources)):
|
||||
tb.log.info("Start QSFP %d MAC loopback test", k)
|
||||
|
||||
tests.append(cocotb.start_soon(mac_test_25g(tb, tb.qsfp_sources[k], tb.qsfp_sinks[k])))
|
||||
|
||||
await Combine(*tests)
|
||||
|
||||
await RisingEdge(dut.clk_125mhz)
|
||||
await RisingEdge(dut.clk_125mhz)
|
||||
|
||||
|
||||
# cocotb-test
|
||||
|
||||
tests_dir = os.path.abspath(os.path.dirname(__file__))
|
||||
rtl_dir = os.path.abspath(os.path.join(tests_dir, '..', '..', 'rtl'))
|
||||
lib_dir = os.path.abspath(os.path.join(rtl_dir, '..', 'lib'))
|
||||
|
||||
|
||||
def process_f_files(files):
|
||||
lst = {}
|
||||
for f in files:
|
||||
if f[-2:].lower() == '.f':
|
||||
with open(f, 'r') as fp:
|
||||
l = fp.read().split()
|
||||
for f in process_f_files([os.path.join(os.path.dirname(f), x) for x in l]):
|
||||
lst[os.path.basename(f)] = f
|
||||
else:
|
||||
lst[os.path.basename(f)] = f
|
||||
return list(lst.values())
|
||||
|
||||
|
||||
def test_fpga_core(request):
|
||||
dut = "fpga_core"
|
||||
module = os.path.splitext(os.path.basename(__file__))[0]
|
||||
toplevel = dut
|
||||
|
||||
verilog_sources = [
|
||||
os.path.join(rtl_dir, f"{dut}.sv"),
|
||||
os.path.join(lib_dir, "taxi", "rtl", "eth", "taxi_eth_mac_1g_fifo.f"),
|
||||
os.path.join(lib_dir, "taxi", "rtl", "eth", "us", "taxi_eth_mac_25g_us.f"),
|
||||
os.path.join(lib_dir, "taxi", "rtl", "lss", "taxi_uart.f"),
|
||||
os.path.join(lib_dir, "taxi", "rtl", "lss", "taxi_mdio_master.sv"),
|
||||
os.path.join(lib_dir, "taxi", "rtl", "sync", "taxi_sync_reset.sv"),
|
||||
os.path.join(lib_dir, "taxi", "rtl", "sync", "taxi_sync_signal.sv"),
|
||||
os.path.join(lib_dir, "taxi", "rtl", "io", "taxi_debounce_switch.sv"),
|
||||
]
|
||||
|
||||
verilog_sources = process_f_files(verilog_sources)
|
||||
|
||||
parameters = {}
|
||||
|
||||
parameters['SIM'] = "1'b1"
|
||||
parameters['VENDOR'] = "\"XILINX\""
|
||||
parameters['FAMILY'] = "\"virtexuplus\""
|
||||
|
||||
extra_env = {f'PARAM_{k}': str(v) for k, v in parameters.items()}
|
||||
|
||||
sim_build = os.path.join(tests_dir, "sim_build",
|
||||
request.node.name.replace('[', '-').replace(']', ''))
|
||||
|
||||
cocotb_test.simulator.run(
|
||||
simulator="verilator",
|
||||
python_search=[tests_dir],
|
||||
verilog_sources=verilog_sources,
|
||||
toplevel=toplevel,
|
||||
module=module,
|
||||
parameters=parameters,
|
||||
sim_build=sim_build,
|
||||
extra_env=extra_env,
|
||||
)
|
||||
Reference in New Issue
Block a user