gen/mac: Allow 16-bit data_width.

enjoy-digital · Apr 4, 2024 · b7443f5 · b7443f5
1 parent c18cfb8
commit b7443f5
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/liteeth/gen.py b/liteeth/gen.py
@@ -559,7 +559,7 @@ def __init__(self, platform, core_config):
             ip_address        = ip_address,
             clk_freq          = core_config["clk_freq"],
             dw                = data_width,
-            with_sys_datapath = (data_width == 32),
+            with_sys_datapath = data_width in [16, 32],
             tx_cdc_depth      = tx_cdc_depth,
             tx_cdc_buffered   = tx_cdc_buffered,
             rx_cdc_depth      = rx_cdc_depth,

diff --git a/liteeth/mac/crc.py b/liteeth/mac/crc.py
@@ -155,7 +155,7 @@ def __init__(self, description):
         # Parameters.
         data_width  = len(sink.data)
         ratio       = 32//data_width
-        assert data_width in [8, 32, 64]
+        assert data_width in [8, 16, 32, 64]
 
         # Signals.
         crc_packet = Signal(32)
@@ -275,7 +275,7 @@ def __init__(self, description):
         # Parameters.
         data_width  = len(sink.data)
         ratio       = ceil(32/data_width)
-        assert data_width in [8, 32, 64]
+        assert data_width in [8, 16, 32, 64]
 
         # CRC32 Checker.
         self.crc = crc = LiteEthMACCRC32(data_width)