44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
from migen.fhdl.std import *
|
|
from migen.bus import wishbone, wishbone2lasmi, lasmibus
|
|
from migen.bus.transactions import *
|
|
from migen.sim.generic import Simulator, TopLevel
|
|
|
|
from milkymist.lasmicon import *
|
|
|
|
from common import sdram_phy, sdram_geom, sdram_timing, DFILogger
|
|
|
|
l2_size = 8192 # in bytes
|
|
|
|
def my_generator():
|
|
for x in range(20):
|
|
t = TWrite(x, x)
|
|
yield t
|
|
print(str(t) + " delay=" + str(t.latency))
|
|
for x in range(20):
|
|
t = TRead(x)
|
|
yield t
|
|
print(str(t) + " delay=" + str(t.latency))
|
|
for x in range(20):
|
|
t = TRead(x+l2_size//4)
|
|
yield t
|
|
print(str(t) + " delay=" + str(t.latency))
|
|
|
|
class TB(Module):
|
|
def __init__(self):
|
|
self.submodules.ctler = LASMIcon(sdram_phy, sdram_geom, sdram_timing)
|
|
# FIXME: remove dummy master
|
|
self.submodules.xbar = lasmibus.Crossbar([self.ctler.lasmic], 2, self.ctler.nrowbits)
|
|
self.submodules.logger = DFILogger(self.ctler.dfi)
|
|
self.submodules.bridge = wishbone2lasmi.WB2LASMI(l2_size//4, self.xbar.masters[0])
|
|
self.submodules.initiator = wishbone.Initiator(my_generator())
|
|
self.submodules.conn = wishbone.InterconnectPointToPoint(self.initiator.bus, self.bridge.wishbone)
|
|
|
|
def do_simulation(self, s):
|
|
s.interrupt = self.initiator.done
|
|
|
|
def main():
|
|
sim = Simulator(TB(), TopLevel("my.vcd"))
|
|
sim.run()
|
|
|
|
main()
|