from mibuild.generic_platform import GenericPlatform from mibuild.lattice import common, diamond class LatticePlatform(GenericPlatform): bitstream_ext = ".bit" def __init__(self, *args, toolchain="diamond", **kwargs): GenericPlatform.__init__(self, *args, **kwargs) if toolchain == "diamond": self.toolchain = diamond.LatticeDiamondToolchain() else: raise ValueError("Unknown toolchain") def get_verilog(self, *args, special_overrides=dict(), **kwargs): so = dict(common.lattice_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)