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eth: Update ZCU106 example design testbench to test both 32-bit and 64-bit configurations

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
This commit is contained in:
Alex Forencich
2025-11-05 15:37:49 -08:00
parent 7dbe595e5b
commit 40cc51d062
1 changed files with 18 additions and 8 deletions
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26
src/eth/example/ZCU106/fpga/tb/fpga_core/test_fpga_core.py
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@@ -67,12 +67,20 @@ class TB:
for ch in dut.sfp_mac.sfp_mac_inst.ch:
gt_inst = ch.ch_inst.gt.gt_inst
if ch.ch_inst.CFG_LOW_LATENCY.value:
clk = 3.102
gbx_cfg = (66, [64, 65])
if ch.ch_inst.DATA_W.value == 64:
if ch.ch_inst.CFG_LOW_LATENCY.value:
clk = 6.206
gbx_cfg = (66, [64, 65])
else:
clk = 6.4
gbx_cfg = None
else:
clk = 3.2
gbx_cfg = None
if ch.ch_inst.CFG_LOW_LATENCY.value:
clk = 3.102
gbx_cfg = (66, [64, 65])
else:
clk = 3.2
gbx_cfg = None
cocotb.start_soon(Clock(gt_inst.tx_clk, clk, units="ns").start())
cocotb.start_soon(Clock(gt_inst.rx_clk, clk, units="ns").start())
@@ -182,6 +190,8 @@ async def mac_test_10g(tb, source, sink):
for k in range(1200):
await RisingEdge(tb.dut.clk_125mhz)
sink.clear()
tb.log.info("Multiple small packets")
count = 64
@@ -263,8 +273,8 @@ def process_f_files(files):
return list(lst.values())
@pytest.mark.parametrize("sfp_rate", [0, 1])
def test_fpga_core(request, sfp_rate):
@pytest.mark.parametrize(("sfp_rate", "mac_data_w"), [(0, 8), (1, 32), (1, 64)])
def test_fpga_core(request, sfp_rate, mac_data_w):
dut = "fpga_core"
module = os.path.splitext(os.path.basename(__file__))[0]
toplevel = dut
@@ -291,7 +301,7 @@ def test_fpga_core(request, sfp_rate):
parameters['SFP_RATE'] = f"1'b{sfp_rate}"
parameters['CFG_LOW_LATENCY'] = "1'b1"
parameters['COMBINED_MAC_PCS'] = "1'b1"
parameters['MAC_DATA_W'] = 32
parameters['MAC_DATA_W'] = mac_data_w
extra_env = {f'PARAM_{k}': str(v) for k, v in parameters.items()}