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kasli2: add false path constraint for wrpll helper clock

This commit is contained in:
Sebastien Bourdeauducq 2020-10-08 16:19:44 +08:00
parent 6248970ef8
commit 96a5df0dc6
1 changed files with 3 additions and 0 deletions
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3
artiq/gateware/targets/kasli.py
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@ -614,6 +614,9 @@ class SatelliteBase(BaseSoC):
platform.add_false_path_constraints( platform.add_false_path_constraints(
self.crg.cd_sys.clk, self.crg.cd_sys.clk,
gtp.txoutclk, gtp.rxoutclk) gtp.txoutclk, gtp.rxoutclk)
if with_wrpll:
platform.add_false_path_constraints(
self.wrpll.cd_helper.clk, gtp.rxoutclk)
for gtp in self.drtio_transceiver.gtps[1:]: for gtp in self.drtio_transceiver.gtps[1:]:
platform.add_period_constraint(gtp.rxoutclk, rtio_clk_period) platform.add_period_constraint(gtp.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints( platform.add_false_path_constraints(