forked from M-Labs/artiq
drtio: remove spurious multichannel transceiver clock constraints
They used to cause (otherwise harmless) Vivado critical warnings.
This commit is contained in:
parent
caf7b14b55
commit
fc3d97f1f7
|
@ -472,12 +472,16 @@ class _MasterBase(MiniSoC, AMPSoC):
|
|||
self.add_memory_group("drtio_aux", drtio_memory_group)
|
||||
|
||||
rtio_clk_period = 1e9/rtio_clk_freq
|
||||
for gtp in self.drtio_transceiver.gtps:
|
||||
gtp = self.drtio_transceiver.gtps[0]
|
||||
platform.add_period_constraint(gtp.txoutclk, rtio_clk_period)
|
||||
platform.add_period_constraint(gtp.rxoutclk, rtio_clk_period)
|
||||
platform.add_false_path_constraints(
|
||||
self.crg.cd_sys.clk,
|
||||
gtp.txoutclk, gtp.rxoutclk)
|
||||
for gtp in self.drtio_transceiver.gtps[1:]:
|
||||
platform.add_period_constraint(gtp.txoutclk, rtio_clk_period)
|
||||
platform.add_period_constraint(gtp.rxoutclk, rtio_clk_period)
|
||||
platform.add_false_path_constraints(
|
||||
self.crg.cd_sys.clk,
|
||||
gtp.txoutclk, gtp.rxoutclk)
|
||||
self.crg.cd_sys.clk, gtp.rxoutclk)
|
||||
|
||||
self.submodules.rtio_clkmul = _RTIOClockMultiplier(rtio_clk_freq)
|
||||
|
||||
|
|
|
@ -330,12 +330,16 @@ class Master(MiniSoC, AMPSoC):
|
|||
self.add_memory_group("drtio_aux", drtio_memory_group)
|
||||
|
||||
rtio_clk_period = 1e9/rtio_clk_freq
|
||||
for gth in self.drtio_transceiver.gths:
|
||||
platform.add_period_constraint(gth.txoutclk, rtio_clk_period)
|
||||
gth = self.drtio_transceiver.gths[0]
|
||||
platform.add_period_constraint(gth.txoutclk, rtio_clk_period)
|
||||
platform.add_period_constraint(gth.rxoutclk, rtio_clk_period)
|
||||
platform.add_false_path_constraints(
|
||||
self.crg.cd_sys.clk,
|
||||
gth.txoutclk, gth.rxoutclk)
|
||||
for gth in self.drtio_transceiver.gths[1:]:
|
||||
platform.add_period_constraint(gth.rxoutclk, rtio_clk_period)
|
||||
platform.add_false_path_constraints(
|
||||
self.crg.cd_sys.clk,
|
||||
gth.txoutclk, gth.rxoutclk)
|
||||
self.crg.cd_sys.clk, gth.rxoutclk)
|
||||
|
||||
rtio_channels = []
|
||||
for i in range(4):
|
||||
|
|
Loading…
Reference in New Issue