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mibuild/altera: cleanup

This commit is contained in:
Sebastien Bourdeauducq 2015-04-20 17:17:34 +08:00
parent 65eeb33329
commit f57ee296a9
1 changed files with 5 additions and 7 deletions
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12
mibuild/altera/common.py
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@ -1,14 +1,11 @@
from migen.fhdl.std import (Instance, Module)
from migen.genlib.io import (DifferentialInput, DifferentialOutput)
__all__ = ['altera_special_overrides']
from migen.fhdl.std import Instance, Module
from migen.genlib.io import DifferentialInput, DifferentialOutput
class QuartusDifferentialInputImpl(Module):
def __init__(self, i_p, i_n, o):
self.specials += Instance("ALT_INBUF_DIFF",
name='ibuf_diff',
name="ibuf_diff",
i_i=i_p,
i_ibar=i_n,
o_o=o)
@ -23,7 +20,7 @@ class QuartusDifferentialInput:
class QuartusDifferentialOutputImpl(Module):
def __init__(self, i, o_p, o_n):
self.specials += Instance("ALT_OUTBUF_DIFF",
name='obuf_diff',
name="obuf_diff",
i_i=i,
o_o=o_p,
o_obar=o_n)
@ -34,6 +31,7 @@ class QuartusDifferentialOutput:
def lower(dr):
return QuartusDifferentialOutputImpl(dr.i, dr.o_p, dr.o_n)
altera_special_overrides = {
DifferentialInput: QuartusDifferentialInput,
DifferentialOutput: QuartusDifferentialOutput