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targets/sayma_amc: add missin false paths on ethernet clocks
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enjoy-digital committed Oct 16, 2017
1 parent c36813e commit 2412271
Showing 1 changed file with 7 additions and 0 deletions.
7 changes: 7 additions & 0 deletions misoc/targets/sayma_amc.py
Original file line number Diff line number Diff line change
@@ -131,6 +131,13 @@ def __init__(self, *args, ethmac_nrxslots=2, ethmac_ntxslots=2, **kwargs):

self.platform.add_platform_command("set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets eth_clocks_rx_IBUF_inst/O]")

self.ethphy.crg.cd_eth_tx.clk.attr.add("keep")
# period constraints are required here because of vivado
self.platform.add_period_constraint(self.ethphy.crg.cd_eth_tx.clk, 8.0)
self.platform.add_false_path_constraints(
self.crg.cd_sys.clk,
self.ethphy.crg.cd_eth_tx.clk, eth_clocks.rx)


def main():
parser = argparse.ArgumentParser(description="MiSoC port to the Sayma AMC")

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