Wait longer to ensure PTP CDC module has fully stabilized in MAC testbenches

Signed-off-by: Alex Forencich <[email protected]>

Author: alexforencich

tb/eth_mac_10g_fifo/test_eth_mac_10g_fifo.py

@@ -110,6 +110,8 @@ async def run_test_rx(dut, payload_lengths=None, payload_data=None, ifg=12):
     tb.log.info("Wait for PTP CDC lock")
     while not dut.rx_ptp.rx_ptp_cdc.locked.value.integer:
         await RisingEdge(dut.rx_clk)
+    for k in range(1000):
+        await RisingEdge(dut.rx_clk)
 
     test_frames = [payload_data(x) for x in payload_lengths()]
     tx_frames = []
@@ -159,6 +161,8 @@ async def run_test_tx(dut, payload_lengths=None, payload_data=None, ifg=12):
     tb.log.info("Wait for PTP CDC lock")
     while not dut.tx_ptp.tx_ptp_cdc.locked.value.integer:
         await RisingEdge(dut.tx_clk)
+    for k in range(1000):
+        await RisingEdge(dut.tx_clk)
 
     test_frames = [payload_data(x) for x in payload_lengths()]
 
@@ -209,6 +213,8 @@ async def run_test_tx_alignment(dut, payload_data=None, ifg=12):
     tb.log.info("Wait for PTP CDC lock")
     while not dut.tx_ptp.tx_ptp_cdc.locked.value.integer:
         await RisingEdge(dut.tx_clk)
+    for k in range(1000):
+        await RisingEdge(dut.tx_clk)
 
     for length in range(60, 92):
 

tb/eth_mac_phy_10g_fifo/test_eth_mac_phy_10g_fifo.py

@@ -127,6 +127,8 @@ async def run_test_rx(dut, payload_lengths=None, payload_data=None, ifg=12):
     tb.log.info("Wait for PTP CDC lock")
     while not dut.rx_ptp.rx_ptp_cdc.locked.value.integer:
         await RisingEdge(dut.rx_clk)
+    for k in range(1000):
+        await RisingEdge(dut.rx_clk)
 
     # clear out sink buffer
     tb.axis_sink.clear()
@@ -179,6 +181,8 @@ async def run_test_tx(dut, payload_lengths=None, payload_data=None, ifg=12):
     tb.log.info("Wait for PTP CDC lock")
     while not dut.tx_ptp.tx_ptp_cdc.locked.value.integer:
         await RisingEdge(dut.tx_clk)
+    for k in range(1000):
+        await RisingEdge(dut.tx_clk)
 
     test_frames = [payload_data(x) for x in payload_lengths()]
 
@@ -229,6 +233,8 @@ async def run_test_tx_alignment(dut, payload_data=None, ifg=12):
     tb.log.info("Wait for PTP CDC lock")
     while not dut.tx_ptp.tx_ptp_cdc.locked.value.integer:
         await RisingEdge(dut.tx_clk)
+    for k in range(1000):
+        await RisingEdge(dut.tx_clk)
 
     for length in range(60, 92):