M-Labs
/
artiq
mirror of https://github.com/m-labs/artiq.git
2
0
Fork 2
Code Issues Projects Releases Wiki Activity

sayma_amc: fix Master timing constraints

This commit is contained in:
Sebastien Bourdeauducq 2019-01-13 13:53:07 +08:00
parent 6c52359e59
commit 4cb9f77fd8
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
artiq/gateware/targets/sayma_amc.py
View File

@ -507,16 +507,16 @@ class Master(MiniSoC, AMPSoC):
self.add_memory_group("drtioaux_mem", drtioaux_memory_group) self.add_memory_group("drtioaux_mem", drtioaux_memory_group)
rtio_clk_period = 1e9/rtio_clk_freq rtio_clk_period = 1e9/rtio_clk_freq
gth = self.drtio_transceiver.gths[0] gth0 = self.drtio_transceiver.gths[0]
platform.add_period_constraint(gth.txoutclk, rtio_clk_period/2) platform.add_period_constraint(gth0.txoutclk, rtio_clk_period/2)
platform.add_period_constraint(gth.rxoutclk, rtio_clk_period) platform.add_period_constraint(gth0.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints( platform.add_false_path_constraints(
self.crg.cd_sys.clk, self.crg.cd_sys.clk,
gth.txoutclk, gth.rxoutclk) gth0.txoutclk, gth0.rxoutclk)
for gth in self.drtio_transceiver.gths[1:]: for gth in self.drtio_transceiver.gths[1:]:
platform.add_period_constraint(gth.rxoutclk, rtio_clk_period) platform.add_period_constraint(gth.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints( platform.add_false_path_constraints(
self.crg.cd_sys.clk, gth.rxoutclk) self.crg.cd_sys.clk, gth0.txoutclk, gth.rxoutclk)
self.rtio_channels = rtio_channels = [] self.rtio_channels = rtio_channels = []
for i in range(4): for i in range(4):