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sayma_amc: add option to force outputs on the MCXs

This commit is contained in:
Harry Ho 2021-04-09 11:25:05 +08:00 committed by Sébastien Bourdeauducq
parent 759f00416b
commit 86fcd97416
1 changed files with 14 additions and 11 deletions
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25
artiq/gateware/targets/sayma_amc.py
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@ -294,7 +294,7 @@ class Satellite(SatelliteBase):
"""
DRTIO satellite with local DAC/SAWG channels, as well as TTL channels via FMC and VHDCI carrier.
"""
def __init__(self, jdcg_type, **kwargs):
def __init__(self, jdcg_type, ttlout=False, **kwargs):
SatelliteBase.__init__(self, identifier_suffix="." + jdcg_type, **kwargs)
platform = self.platform
@ -318,16 +318,16 @@ class Satellite(SatelliteBase):
phy = ttl_simple.Output(platform.request("user_led", i))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
mcx_io = platform.request("mcx_io", 0)
phy = ttl_serdes_ultrascale.InOut(4, mcx_io.level)
self.comb += mcx_io.direction.eq(phy.oe)
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
mcx_io = platform.request("mcx_io", 1)
phy = ttl_serdes_ultrascale.InOut(4, mcx_io.level)
self.comb += mcx_io.direction.eq(phy.oe)
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
for i in range(2):
mcx_io = platform.request("mcx_io", i)
if ttlout:
phy = ttl_serdes_ultrascale.Output(4, mcx_io.level)
self.comb += mcx_io.direction.eq(1)
else:
phy = ttl_serdes_ultrascale.InOut(4, mcx_io.level)
self.comb += mcx_io.direction.eq(phy.oe)
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
self.submodules.jesd_crg = jesd204_tools.UltrascaleCRG(platform)
cls = {
@ -431,6 +431,8 @@ def main():
default="sawg",
help="Change type of signal generator. This is used exclusively for "
"development and debugging.")
parser.add_argument("--ttlout", default=False, action="store_true",
help="force only outputs on the MCX TTL IOs")
parser.add_argument("--gateware-identifier-str", default=None,
help="Override ROM identifier")
args = parser.parse_args()
@ -440,6 +442,7 @@ def main():
soc = Satellite(
with_sfp=args.sfp,
jdcg_type=args.jdcg_type,
ttlout=args.ttlout,
gateware_identifier_str=args.gateware_identifier_str,
**soc_sayma_amc_argdict(args))
elif variant == "simplesatellite":