build/altera/common: improve presentation
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95953d2928
commit
36d9d78c5e
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@ -12,11 +12,14 @@ from migen.fhdl.structure import *
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class AlteraDifferentialInputImpl(Module):
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class AlteraDifferentialInputImpl(Module):
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def __init__(self, i_p, i_n, o):
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def __init__(self, i_p, i_n, o):
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self.specials += Instance("ALT_INBUF_DIFF",
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self.specials += [
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name="ibuf_diff",
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Instance("ALT_INBUF_DIFF",
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i_i=i_p,
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name="ibuf_diff",
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i_ibar=i_n,
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i_i=i_p,
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o_o=o)
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i_ibar=i_n,
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o_o=o
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)
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]
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class AlteraDifferentialInput:
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class AlteraDifferentialInput:
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@ -27,11 +30,14 @@ class AlteraDifferentialInput:
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class AlteraDifferentialOutputImpl(Module):
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class AlteraDifferentialOutputImpl(Module):
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def __init__(self, i, o_p, o_n):
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def __init__(self, i, o_p, o_n):
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self.specials += Instance("ALT_OUTBUF_DIFF",
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self.specials += [
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name="obuf_diff",
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Instance("ALT_OUTBUF_DIFF",
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i_i=i,
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name="obuf_diff",
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o_o=o_p,
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i_i=i,
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o_obar=o_n)
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o_o=o_p,
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o_obar=o_n
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)
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]
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class AlteraDifferentialOutput:
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class AlteraDifferentialOutput:
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@ -39,6 +45,7 @@ class AlteraDifferentialOutput:
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def lower(dr):
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def lower(dr):
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return AlteraDifferentialOutputImpl(dr.i, dr.o_p, dr.o_n)
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return AlteraDifferentialOutputImpl(dr.i, dr.o_p, dr.o_n)
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class AlteraAsyncResetSynchronizerImpl(Module):
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class AlteraAsyncResetSynchronizerImpl(Module):
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def __init__(self, cd, async_reset):
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def __init__(self, cd, async_reset):
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if not hasattr(async_reset, "attr"):
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if not hasattr(async_reset, "attr"):
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@ -46,14 +53,19 @@ class AlteraAsyncResetSynchronizerImpl(Module):
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self.comb += async_reset.eq(i)
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self.comb += async_reset.eq(i)
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rst_meta = Signal()
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rst_meta = Signal()
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self.specials += [
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self.specials += [
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Instance("DFF", i_d=0, i_clk=cd.clk, i_clrn=1,
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Instance("DFF",
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i_prn=async_reset, o_q=rst_meta,
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i_d=0, i_clk=cd.clk, i_clrn=1,
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attr={"async_reg", "ars_ff1"}),
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i_prn=async_reset, o_q=rst_meta,
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Instance("DFF", i_d=rst_meta, i_clk=cd.clk, i_clrn=1,
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attr={"async_reg", "ars_ff1"}
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i_prn=async_reset, o_q=cd.rst,
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),
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attr={"async_reg", "ars_ff2"})
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Instance("DFF",
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i_d=rst_meta, i_clk=cd.clk, i_clrn=1,
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i_prn=async_reset, o_q=cd.rst,
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attr={"async_reg", "ars_ff2"}
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)
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]
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]
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class AlteraAsyncResetSynchronizer:
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class AlteraAsyncResetSynchronizer:
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@staticmethod
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@staticmethod
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def lower(dr):
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def lower(dr):
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