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pipistrello: shrink fifos a bit (may make ise happier)

This commit is contained in:
Robert Jördens 2016-03-08 15:40:12 +01:00
parent 9c11cda7dc
commit 00d4775da5
1 changed files with 6 additions and 6 deletions
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12
artiq/gateware/targets/pipistrello.py
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@ -151,7 +151,7 @@ trce -v 12 -fastpaths -tsi {build_name}.tsi -o {build_name}.twr {build_name}.ncd
phy = ttl_serdes_spartan6.Inout_4X(platform.request("pmt", i),
self.rtio_crg.rtiox4_stb)
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy, ififo_depth=512,
rtio_channels.append(rtio.Channel.from_phy(phy, ififo_depth=256,
ofifo_depth=4))
# the last TTL is used for ClockGen
@ -166,7 +166,7 @@ trce -v 12 -fastpaths -tsi {build_name}.tsi -o {build_name}.twr {build_name}.ncd
phy = ttl_simple.Output(platform.request("ttl", i))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy, ofifo_depth=256))
rtio_channels.append(rtio.Channel.from_phy(phy, ofifo_depth=128))
phy = ttl_simple.Output(platform.request("ext_led", 0))
self.submodules += phy
@ -182,8 +182,8 @@ trce -v 12 -fastpaths -tsi {build_name}.tsi -o {build_name}.twr {build_name}.ncd
for i in range(4, 8):
phy = ttl_simple.Inout(pmod.d[i])
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy, ififo_depth=32,
ofifo_depth=32))
rtio_channels.append(rtio.Channel.from_phy(phy, ififo_depth=8,
ofifo_depth=8))
self.config["RTIO_REGULAR_TTL_COUNT"] = len(rtio_channels)
@ -200,7 +200,7 @@ trce -v 12 -fastpaths -tsi {build_name}.tsi -o {build_name}.twr {build_name}.ncd
self.submodules += phy
self.config["RTIO_FIRST_SPI_CHANNEL"] = len(rtio_channels)
rtio_channels.append(rtio.Channel.from_phy(
phy, ofifo_depth=32, ififo_depth=32))
phy, ofifo_depth=8, ififo_depth=8))
self.config["RTIO_DDS_CHANNEL"] = len(rtio_channels)
self.config["DDS_CHANNEL_COUNT"] = 8
@ -210,7 +210,7 @@ trce -v 12 -fastpaths -tsi {build_name}.tsi -o {build_name}.twr {build_name}.ncd
phy = dds.AD9858(dds_pins, 8)
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy,
ofifo_depth=512,
ofifo_depth=256,
ififo_depth=4))
self.config["RTIO_LOG_CHANNEL"] = len(rtio_channels)