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65 lines
2.2 KiB
Python
65 lines
2.2 KiB
Python
#
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# This file is part of LiteEth.
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#
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# Copyright (c) 2015-2019 Florent Kermarrec <florent@enjoy-digital.fr>
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# SPDX-License-Identifier: BSD-2-Clause
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from liteeth.common import *
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from targets.base import BaseSoC
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# UDPSoC -------------------------------------------------------------------------------------------
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class UDPSoC(BaseSoC):
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default_platform = "kc705"
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def __init__(self, platform):
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BaseSoC.__init__(self, platform,
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mac_address=0x10e2d5000000,
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ip_address="192.168.1.50")
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# add udp loopback on port 6000 with dw=8
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self.add_udp_loopback(6000, 8, 8192, "loopback_8")
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# add udp loopback on port 8000 with dw=32
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self.add_udp_loopback(8000, 32, 8192, "loopback_32")
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def add_udp_loopback(self, port, dw, depth, name=None):
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port = self.ethcore.udp.crossbar.get_port(port, dw)
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buf = stream.SyncFIFO(eth_udp_user_description(dw), depth//(dw//8))
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if name is None:
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self.submodules += buf
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else:
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setattr(self.submodules, name, buf)
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self.comb += port.source.connect(buf.sink)
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self.comb += buf.source.connect(port.sink)
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# UDPSoCDevel --------------------------------------------------------------------------------------
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class UDPSoCDevel(UDPSoC):
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def __init__(self, platform):
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from litescope import LiteScopeAnalyzer
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UDPSoC.__init__(self, platform)
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analyzer_signals = [
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self.loopback_8.sink.valid,
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self.loopback_8.sink.last,
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self.loopback_8.sink.ready,
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self.loopback_8.sink.data,
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self.loopback_8.source.valid,
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self.loopback_8.source.last,
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self.loopback_8.source.ready,
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self.loopback_8.source.data,
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self.loopback_32.sink.valid,
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self.loopback_32.sink.last,
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self.loopback_32.sink.ready,
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self.loopback_32.sink.data,
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self.loopback_32.source.valid,
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self.loopback_32.source.last,
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self.loopback_32.source.ready,
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self.loopback_32.source.data
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]
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self.submodules.analyzer = LiteScopeAnalyzer(analyzer_signals, 4096, csr_csv="test/analyzer.csv")
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self.add_csr("analyzer")
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default_subtarget = UDPSoC
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