class DFIInjectorTestCase(FHDLTestCase):
def generate_dfiinjector(self):
csrhost = CSRHost()
- dut = DFIInjector(csrhost.bank, 14, 3, 1, 16, nphases=1)
+ dut = DFIInjector(csrhost.bank, addressbits=14, bankbits=3, nranks=1, databits=16, nphases=1)
csrhost.init_bridge()
m = Module()
m.submodules += csrhost
self.assertFalse((yield dut.master.phases[0].cke[0]))
runSimulation(m, process, "test_dfiinjector.vcd")
+
+ def test_odt(self):
+ m, dut, csrhost = self.generate_dfiinjector()
+
+ def process():
+ yield from wb_write(csrhost.bus, DFII_CONTROL_ADDR >> 2, (1 << 2), sel=0xF)
+ yield
+ self.assertTrue((yield dut.master.phases[0].odt[0]))
+
+ yield from wb_write(csrhost.bus, DFII_CONTROL_ADDR >> 2, 0, sel=0xF)
+ yield
+ self.assertFalse((yield dut.master.phases[0].odt[0]))
+
+ runSimulation(m, process, "test_dfiinjector.vcd")
+
+ def test_reset(self):
+ m, dut, csrhost = self.generate_dfiinjector()
+
+ def process():
+ yield from wb_write(csrhost.bus, DFII_CONTROL_ADDR >> 2, (1 << 3), sel=0xF)
+ yield
+ self.assertTrue((yield dut.master.phases[0].reset_n))
+
+ yield from wb_write(csrhost.bus, DFII_CONTROL_ADDR >> 2, 0, sel=0xF)
+ yield
+ self.assertFalse((yield dut.master.phases[0].reset_n))
+
+ runSimulation(m, process, "test_dfiinjector.vcd")