litex/misoclib/com/liteeth/phy/__init__.py

29 lines
1.2 KiB
Python

from misoclib.com.liteeth.common import *
def LiteEthPHY(clock_pads, pads, **kwargs):
clk_freq = kwargs.pop("clk_freq")
# Autodetect PHY
if hasattr(pads, "source_stb"):
# This is a simulation PHY
from misoclib.com.liteeth.phy.sim import LiteEthPHYSim
return LiteEthPHYSim(pads)
elif hasattr(clock_pads, "gtx") and flen(pads.tx_data) == 8:
if hasattr(clock_pads, "tx"):
# This is a 10/100/1G PHY
from misoclib.com.liteeth.phy.gmii_mii import LiteEthPHYGMIIMII
return LiteEthPHYGMIIMII(clock_pads, pads, clk_freq=clk_freq, **kwargs)
else:
# This is a pure 1G PHY
from misoclib.com.liteeth.phy.gmii import LiteEthPHYGMII
return LiteEthPHYGMII(clock_pads, pads, **kwargs)
elif hasattr(pads, "rx_ctl"):
# This is a 10/100/1G RGMII PHY
raise ValueError("RGMII PHYs are specific to vendors (for now), use direct instantiation")
elif flen(pads.tx_data) == 4:
# This is a MII PHY
from misoclib.com.liteeth.phy.mii import LiteEthPHYMII
return LiteEthPHYMII(clock_pads, pads, **kwargs)
else:
raise ValueError("Unable to autodetect PHY from platform file, use direct instantiation")