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kasli, kc705: remove vivado "keep", cleanup a constraint

This commit is contained in:
Robert Jördens 2018-01-23 13:15:26 +00:00
parent 85102e191e
commit aada38f508
2 changed files with 1 additions and 3 deletions
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1
artiq/gateware/targets/kasli.py
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@ -121,7 +121,6 @@ class _StandaloneBase(MiniSoC, AMPSoC):
self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.submodules.rtio_moninj = rtio.MonInj(rtio_channels)
self.csr_devices.append("rtio_moninj") self.csr_devices.append("rtio_moninj")
self.rtio_crg.cd_rtio.clk.attr.add("keep")
self.platform.add_period_constraint(self.rtio_crg.cd_rtio.clk, 8.) self.platform.add_period_constraint(self.rtio_crg.cd_rtio.clk, 8.)
self.platform.add_false_path_constraints( self.platform.add_false_path_constraints(
self.crg.cd_sys.clk, self.crg.cd_sys.clk,

3
artiq/gateware/targets/kc705.py
View File

@ -32,6 +32,7 @@ class _RTIOCRG(Module, AutoCSR):
# 100 MHz when using 125MHz input # 100 MHz when using 125MHz input
self.clock_domains.cd_ext_clkout = ClockDomain(reset_less=True) self.clock_domains.cd_ext_clkout = ClockDomain(reset_less=True)
platform.add_period_constraint(self.cd_ext_clkout.clk, 5.0)
if use_sma: if use_sma:
ext_clkout = platform.request("user_sma_gpio_p_33") ext_clkout = platform.request("user_sma_gpio_p_33")
self.sync.ext_clkout += ext_clkout.eq(~ext_clkout) self.sync.ext_clkout += ext_clkout.eq(~ext_clkout)
@ -265,7 +266,6 @@ class _StandaloneBase(MiniSoC, AMPSoC):
self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.submodules.rtio_moninj = rtio.MonInj(rtio_channels)
self.csr_devices.append("rtio_moninj") self.csr_devices.append("rtio_moninj")
self.rtio_crg.cd_rtio.clk.attr.add("keep")
self.platform.add_period_constraint(self.rtio_crg.cd_rtio.clk, 8.) self.platform.add_period_constraint(self.rtio_crg.cd_rtio.clk, 8.)
self.platform.add_false_path_constraints( self.platform.add_false_path_constraints(
self.crg.cd_sys.clk, self.crg.cd_sys.clk,
@ -511,7 +511,6 @@ class SMA_SPI(_StandaloneBase):
self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.submodules.rtio_moninj = rtio.MonInj(rtio_channels)
self.csr_devices.append("rtio_moninj") self.csr_devices.append("rtio_moninj")
self.rtio_crg.cd_rtio.clk.attr.add("keep")
self.platform.add_period_constraint(self.rtio_crg.cd_rtio.clk, 8.) self.platform.add_period_constraint(self.rtio_crg.cd_rtio.clk, 8.)
self.platform.add_false_path_constraints( self.platform.add_false_path_constraints(
self.crg.cd_sys.clk, self.crg.cd_sys.clk,