38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
from migen.fhdl.std import *
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from migen.bus import wishbone
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from migen.bus.transactions import *
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from migen.sim.generic import run_simulation
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from misoclib.mem.sdram.bus import lasmibus, wishbone2lasmi
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from misoclib.mem.sdram.lasmicon import *
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from common import sdram_phy, sdram_geom, sdram_timing, DFILogger
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l2_size = 8192 # in bytes
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def my_generator():
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for x in range(20):
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t = TWrite(x, x)
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yield t
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print(str(t) + " delay=" + str(t.latency))
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for x in range(20):
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t = TRead(x)
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yield t
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print(str(t) + " delay=" + str(t.latency))
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for x in range(20):
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t = TRead(x+l2_size//4)
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yield t
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print(str(t) + " delay=" + str(t.latency))
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class TB(Module):
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def __init__(self):
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self.submodules.ctler = LASMIcon(sdram_phy, sdram_geom, sdram_timing)
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self.submodules.xbar = lasmibus.Crossbar([self.ctler.lasmic], self.ctler.nrowbits)
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self.submodules.logger = DFILogger(self.ctler.dfi)
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self.submodules.bridge = wishbone2lasmi.WB2LASMI(l2_size//4, self.xbar.get_master())
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self.submodules.initiator = wishbone.Initiator(my_generator())
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self.submodules.conn = wishbone.InterconnectPointToPoint(self.initiator.bus, self.bridge.wishbone)
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if __name__ == "__main__":
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run_simulation(TB(), vcd_name="my.vcd")
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