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rtio: undo _RelaxedAsyncResetSynchronizer

This commit is contained in:
Robert Jördens 2017-06-28 22:08:15 +02:00
parent 6fad15c532
commit f520d4a768
1 changed files with 2 additions and 16 deletions
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18
artiq/gateware/rtio/core.py
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@ -284,18 +284,6 @@ class LogChannel:
self.overrides = []
class _RelaxedAsyncResetSynchronizer(Module):
def __init__(self, cd, async_reset):
self.clock_domains.cd_rst = ClockDomain()
rst_fan = Signal(reset_less=True)
self.specials += AsyncResetSynchronizer(self.cd_rst, async_reset)
self.comb += [
self.cd_rst.clk.eq(cd.clk),
cd.rst.eq(rst_fan),
]
self.sync.rst += rst_fan.eq(self.cd_rst.rst)
class Core(Module, AutoCSR):
def __init__(self, channels, fine_ts_width=None, guard_io_cycles=20):
if fine_ts_width is None:
@ -336,10 +324,8 @@ class Core(Module, AutoCSR):
self.cd_rio.clk.eq(ClockSignal("rtio")),
self.cd_rio_phy.clk.eq(ClockSignal("rtio"))
]
self.submodules.rars_rio = _RelaxedAsyncResetSynchronizer(
self.cd_rio, cmd_reset)
self.submodules.rars_rio_phy = _RelaxedAsyncResetSynchronizer(
self.cd_rio_phy, cmd_reset_phy)
self.specials += AsyncResetSynchronizer(self.cd_rio, cmd_reset)
self.specials += AsyncResetSynchronizer(self.cd_rio_phy, cmd_reset_phy)
# Managers
self.submodules.counter = RTIOCounter(len(self.cri.timestamp) - fine_ts_width)