mirror of https://github.com/m-labs/artiq.git
drtio/gtx_7series: paranoid reset deglitching
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00100148f1
commit
ba58a8affd
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@ -162,15 +162,21 @@ class GTX_1000BASE_BX10(Module):
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o_GTXTXN=tx_pads.n,
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)
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tx_reset_deglitched = Signal()
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tx_reset_deglitched.attr.add("no_retiming")
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self.sync += tx_reset_deglitched.eq(~tx_init.done)
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self.clock_domains.cd_rtio = ClockDomain()
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self.specials += [
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Instance("BUFG", i_I=txoutclk, o_O=self.cd_rtio.clk),
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AsyncResetSynchronizer(self.cd_rtio, ~tx_init.done)
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AsyncResetSynchronizer(self.cd_rtio, tx_reset_deglitched)
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]
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rx_reset_deglitched = Signal()
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rx_reset_deglitched.attr.add("no_retiming")
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self.sync.rtio += rx_reset_deglitched.eq(~rx_init.done)
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self.clock_domains.cd_rtio_rx = ClockDomain()
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self.specials += [
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Instance("BUFG", i_I=rxoutclk, o_O=self.cd_rtio_rx.clk),
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AsyncResetSynchronizer(self.cd_rtio_rx, ~rx_init.done)
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AsyncResetSynchronizer(self.cd_rtio_rx, rx_reset_deglitched)
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]
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self.comb += [
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