litex/tb/lasmicon/lasmicon.py

from migen.fhdl.std import *
from migen.bus.lasmibus import *
from migen.sim.generic import Simulator, TopLevel

from misoclib.lasmicon import *

from common import sdram_phy, sdram_geom, sdram_timing, DFILogger

def my_generator_r(n):
	for x in range(10):
		t = TRead(128*n + 48*n*x)
		yield t
	print("{0:3}: reads done".format(n))

def my_generator_w(n):
	for x in range(10):
		t = TWrite(128*n + 48*n*x, x)
		yield t
	print("{0:3}: writes done".format(n))

def my_generator(n):
	if n % 2:
		return my_generator_w(n // 2)
	else:
		return my_generator_r(n // 2)

class TB(Module):
	def __init__(self):
		self.submodules.dut = LASMIcon(sdram_phy, sdram_geom, sdram_timing)
		self.submodules.xbar = lasmibus.Crossbar([self.dut.lasmic], self.dut.nrowbits)
		self.submodules.logger = DFILogger(self.dut.dfi)

		masters = [self.xbar.get_master() for i in range(6)]
		self.initiators = [Initiator(my_generator(n), master)
			for n, master in enumerate(masters)]
		self.submodules += self.initiators

	def do_simulation(self, s):
		s.interrupt = all(initiator.done for initiator in self.initiators)


def main():
	sim = Simulator(TB(), TopLevel("my.vcd"))
	sim.run()

main()