tb/asmicon_wb: test asmicon with wishbone bridge

tb/asmicon/asmicon_wb.py

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+from migen.fhdl.structure import *
+from migen.bus import wishbone, wishbone2asmi, asmibus
+from migen.sim.generic import Simulator, TopLevel
+from migen.sim.icarus import Runner
+
+from milkymist.asmicon import *
+
+from common import sdram_phy, sdram_geom, sdram_timing, DFILogger
+
+l2_size = 8192 # in bytes
+
+def my_generator():
+	for x in range(100):
+		t = TRead(x)
+		yield t
+
+def main():
+	controller = ASMIcon(sdram_phy, sdram_geom, sdram_timing)
+	bridge = wishbone2asmi.WB2ASMI(l2_size//4, controller.hub.get_port())
+	controller.finalize()
+	initiator = wishbone.Initiator(my_generator())
+	conn = wishbone.InterconnectPointToPoint(initiator.bus, bridge.wishbone)
+	
+	logger = DFILogger(controller.dfi)
+	
+	def end_simulation(s):
+		s.interrupt = initiator.done
+	
+	fragment = controller.get_fragment() + \
+		bridge.get_fragment() + \
+		initiator.get_fragment() + \
+		conn.get_fragment() + \
+		logger.get_fragment() + \
+		Fragment(sim=[end_simulation])
+	sim = Simulator(fragment, Runner(), TopLevel("my.vcd"))
+	sim.run()
+
+main()