test/test_adaption: use same DUT for up/down converter tests
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@ -15,27 +15,28 @@ from test.common import *
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from litex.gen.sim import *
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from litex.gen.sim import *
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class TestAdaptation(unittest.TestCase):
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class ConverterDUT(Module):
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def test_up_converter(self):
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def __init__(self, user_data_width, native_data_width):
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class DUT(Module):
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def __init__(self):
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# write port and converter
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# write port and converter
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self.write_user_port = LiteDRAMNativeWritePort(address_width=32, data_width=32)
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self.write_user_port = LiteDRAMNativeWritePort(address_width=32, data_width=user_data_width)
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self.write_crossbar_port = LiteDRAMNativeWritePort(address_width=32, data_width=128)
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self.write_crossbar_port = LiteDRAMNativeWritePort(address_width=32, data_width=native_data_width)
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write_converter = LiteDRAMNativePortConverter(
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write_converter = LiteDRAMNativePortConverter(
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self.write_user_port, self.write_crossbar_port)
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self.write_user_port, self.write_crossbar_port)
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self.submodules += write_converter
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self.submodules += write_converter
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# read port and converter
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# read port and converter
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self.read_user_port = LiteDRAMNativeReadPort(address_width=32, data_width=32)
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self.read_user_port = LiteDRAMNativeReadPort(address_width=32, data_width=user_data_width)
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self.read_crossbar_port = LiteDRAMNativeReadPort(address_width=32, data_width=128)
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self.read_crossbar_port = LiteDRAMNativeReadPort(address_width=32, data_width=native_data_width)
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read_converter = LiteDRAMNativePortConverter(
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read_converter = LiteDRAMNativePortConverter(
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self.read_user_port, self.read_crossbar_port)
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self.read_user_port, self.read_crossbar_port)
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self.submodules += read_converter
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self.submodules += read_converter
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# memory
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# memory
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self.memory = DRAMMemory(128, 128)
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self.memory = DRAMMemory(native_data_width, 128)
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class TestAdaptation(unittest.TestCase):
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def test_up_converter(self):
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write_data = [seed_to_data(i, nbits=32) for i in range(16)]
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write_data = [seed_to_data(i, nbits=32) for i in range(16)]
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read_data = []
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read_data = []
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@ -82,7 +83,7 @@ class TestAdaptation(unittest.TestCase):
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for i in range(32):
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for i in range(32):
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yield
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yield
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dut = DUT()
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dut = ConverterDUT(user_data_width=32, native_data_width=128)
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generators = [
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generators = [
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main_generator(dut.write_user_port, dut.read_user_port),
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main_generator(dut.write_user_port, dut.read_user_port),
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read_handler(dut.read_user_port),
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read_handler(dut.read_user_port),
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@ -93,25 +94,6 @@ class TestAdaptation(unittest.TestCase):
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self.assertEqual(write_data, read_data)
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self.assertEqual(write_data, read_data)
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def test_down_converter(self):
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def test_down_converter(self):
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class DUT(Module):
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def __init__(self):
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# write port and converter
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self.write_user_port = LiteDRAMNativeWritePort(address_width=32, data_width=64)
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self.write_crossbar_port = LiteDRAMNativeWritePort(address_width=32, data_width=32)
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write_converter = LiteDRAMNativePortConverter(
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self.write_user_port, self.write_crossbar_port)
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self.submodules += write_converter
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# read port and converter
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self.read_user_port = LiteDRAMNativeReadPort(address_width=32, data_width=64)
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self.read_crossbar_port = LiteDRAMNativeReadPort(address_width=32, data_width=32)
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read_converter = LiteDRAMNativePortConverter(
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self.read_user_port, self.read_crossbar_port)
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self.submodules += read_converter
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# memory
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self.memory = DRAMMemory(32, 128)
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write_data = [seed_to_data(i, nbits=64) for i in range(8)]
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write_data = [seed_to_data(i, nbits=64) for i in range(8)]
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read_data = []
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read_data = []
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@ -154,7 +136,7 @@ class TestAdaptation(unittest.TestCase):
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for i in range(32):
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for i in range(32):
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yield
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yield
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dut = DUT()
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dut = ConverterDUT(user_data_width=64, native_data_width=32)
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generators = [
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generators = [
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main_generator(dut.write_user_port, dut.read_user_port),
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main_generator(dut.write_user_port, dut.read_user_port),
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read_handler(dut.read_user_port),
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read_handler(dut.read_user_port),
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