forked from M-Labs/artiq
sayma_rtm: use bufio for sys4x (needed since we are using a -1 speedgrade)
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parent
b48e782dd6
commit
05955bfd79
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@ -30,29 +30,25 @@ class CRG(Module):
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pll_locked = Signal()
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pll_fb = Signal()
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pll_sys = Signal()
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pll_sys4x = Signal()
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pll_clk200 = Signal()
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self.specials += [
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Instance("PLLE2_BASE",
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p_STARTUP_WAIT="FALSE", o_LOCKED=pll_locked,
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Instance("MMCME2_BASE",
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p_STARTUP_WAIT="FALSE", o_LOCKED=pll_locked,
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# VCO @ 1GHz
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p_REF_JITTER1=0.01, p_CLKIN1_PERIOD=10.0,
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p_CLKFBOUT_MULT=10, p_DIVCLK_DIVIDE=1,
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i_CLKIN1=self.serwb_refclk, i_CLKFBIN=pll_fb, o_CLKFBOUT=pll_fb,
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# VCO @ 1GHz
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p_REF_JITTER1=0.01, p_CLKIN1_PERIOD=10.0,
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p_CLKFBOUT_MULT_F=10, p_DIVCLK_DIVIDE=1,
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i_CLKIN1=self.serwb_refclk, i_CLKFBIN=pll_fb, o_CLKFBOUT=pll_fb,
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# 125MHz
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p_CLKOUT0_DIVIDE=8, p_CLKOUT0_PHASE=0.0, o_CLKOUT0=pll_sys,
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# 500MHz
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p_CLKOUT0_DIVIDE_F=2, p_CLKOUT0_PHASE=0.0, o_CLKOUT0=pll_sys4x,
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# 500MHz
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p_CLKOUT1_DIVIDE=2, p_CLKOUT1_PHASE=0.0, o_CLKOUT1=pll_sys4x,
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# 200MHz
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p_CLKOUT2_DIVIDE=5, p_CLKOUT2_PHASE=0.0, o_CLKOUT2=pll_clk200
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# 200MHz
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p_CLKOUT1_DIVIDE=5, p_CLKOUT1_PHASE=0.0, o_CLKOUT1=pll_clk200
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),
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Instance("BUFG", i_I=pll_sys, o_O=self.cd_sys.clk),
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Instance("BUFG", i_I=pll_sys4x, o_O=self.cd_sys4x.clk),
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Instance("BUFR", p_BUFR_DIVIDE="4", i_I=pll_sys4x, o_O=self.cd_sys.clk),
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Instance("BUFIO", i_I=pll_sys4x, o_O=self.cd_sys4x.clk),
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Instance("BUFG", i_I=pll_clk200, o_O=self.cd_clk200.clk),
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AsyncResetSynchronizer(self.cd_sys, ~pll_locked | self.serwb_reset),
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AsyncResetSynchronizer(self.cd_clk200, ~pll_locked | self.serwb_reset)
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