litex/mibuild/platforms/versa.py

35 lines
1.1 KiB
Python

# This file is Copyright (c) 2013 Florent Kermarrec <florent@enjoy-digital.fr>
# License: BSD
from mibuild.generic_platform import *
from mibuild.lattice import LatticePlatform
from mibuild.lattice.programmer import LatticeProgrammer
_io = [
("clk100", 0, Pins("L5"), IOStandard("LVDS25")),
("user_led", 0, Pins("Y20"), IOStandard("LVCMOS33")),
("user_led", 1, Pins("AA21"), IOStandard("LVCMOS33")),
("user_led", 2, Pins("U18"), IOStandard("LVCMOS33")),
("user_led", 3, Pins("U19"), IOStandard("LVCMOS33")),
("user_led", 4, Pins("W19"), IOStandard("LVCMOS33")),
("user_led", 5, Pins("V19"), IOStandard("LVCMOS33")),
("user_led", 6, Pins("AB20"), IOStandard("LVCMOS33")),
("user_led", 7, Pins("AA20"), IOStandard("LVCMOS33")),
("serial", 0,
Subsignal("tx", Pins("B11"), IOStandard("LVCMOS33")), # X4 IO0
Subsignal("rx", Pins("B12"), IOStandard("LVCMOS33")), # X4 IO1
),
]
class Platform(LatticePlatform):
default_clk_name = "clk100"
default_clk_period = 10
def __init__(self):
LatticePlatform.__init__(self, "LFE3-35EA-6FN484C", _io)
def create_programmer(self):
return LatticeProgrammer()