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targets/ppro: use migen reset synchronizer

This commit is contained in:
Sebastien Bourdeauducq 2014-08-06 19:38:11 +08:00
parent d1ff43faa7
commit ca6d6954c1
1 changed files with 2 additions and 2 deletions
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4
targets/ppro.py
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@ -1,6 +1,7 @@
from fractions import Fraction
from migen.fhdl.std import *
from migen.genlib.resetsync import AsyncResetSynchronizer
from misoclib import lasmicon, spiflash
from misoclib.sdramphy import gensdrphy
@ -48,8 +49,7 @@ class _CRG(Module):
)
self.specials += Instance("BUFG", i_I=pll[4], o_O=self.cd_sys.clk)
self.specials += Instance("BUFG", i_I=pll[5], o_O=self.cd_sys_ps.clk)
self.specials += Instance("FD", p_INIT=1, i_D=~pll_lckd,
i_C=self.cd_sys.clk, o_Q=self.cd_sys.rst)
self.specials += AsyncResetSynchronizer(self.cd_sys, ~pll_lckd)
self.specials += Instance("ODDR2", p_DDR_ALIGNMENT="NONE",
p_INIT=0, p_SRTYPE="SYNC",