litex/mibuild/altera/platform.py

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from mibuild.generic_platform import GenericPlatform
from mibuild.altera import common, quartus
class AlteraPlatform(GenericPlatform):
bitstream_ext = ".sof"
def __init__(self, *args, toolchain="quartus", **kwargs):
GenericPlatform.__init__(self, *args, **kwargs)
if toolchain == "quartus":
self.toolchain = quartus.AlteraQuartusToolchain()
else:
raise ValueError("Unknown toolchain")
def get_verilog(self, *args, special_overrides=dict(), **kwargs):
so = dict(common.altera_special_overrides)
so.update(special_overrides)
return GenericPlatform.get_verilog(self, *args, special_overrides=so, **kwargs)
def build(self, *args, **kwargs):
return self.toolchain.build(self, *args, **kwargs)
def add_period_constraint(self, clk, period):
if hasattr(clk, "p"):
clk = clk.p
self.toolchain.add_period_constraint(self, clk, period)