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import os
import subprocess
from amaranth.build import *
from amaranth.vendor import LatticeMachXO2Platform
from .resources import *
__all__ = ["MachXO2_7000HE_BreakoutPlatform", "MachXO2_1200ZE_BreakoutPlatform"]
# https://www.latticesemi.com/Products/DevelopmentBoardsAndKits/MachXO2BreakoutBoard
class MachXO2_7000HE_BreakoutPlatform(LatticeMachXO2Platform):
device = "LCMXO2-7000HE"
package = "TG144"
default_clk = "OSCH"
osch_frequency = 2.08 # documented default; see amaranth.vendor.lattice_machxo_2_3l for more options
speed = "4"
resources = [
*LEDResources(pins="97 98 99 100 104 105 106 107", invert=True),
# Connectable to the FTDI UART but disconnected by default. Populate R14-R21 to connect.
UARTResource(0, rx="73", tx="74", rts="75", cts="76", dtr="81", dsr="77", dcd="78", role="dte"),
]
connectors = [
Connector("j", 2, # J2
"- - "
"109 - " # 110: INITn
"111 112 "
"- - "
"113 114 "
"115 117 "
"119 120 "
"- - "
"121 122 "
"125 126 "
"127 128 "
"- - "
"- - " # 130: TMS, 131: TCK
"132 133 "
"- - " # 136: TDI, 137: TDO
"- - "
"138 139 "
"140 141 "
"142 143 "
"- - "),
Connector("j", 3, # J3
"- - "
"- - "
"74 73 "
"76 75 "
"- - "
"78 77 "
"82 81 "
"- - "
"84 83 "
"86 85 "
"- - "
"92 91 "
"94 93 "
"- - "
"96 95 "
"98 97 "
"- - "
"100 99 "
"105 104 "
"107 106 "),
Connector("j", 4, # J4
"- - "
"- - "
"1 2 "
"3 4 "
"5 6 "
"9 10 "
"- - "
"11 12 "
"13 14 "
"- - "
"19 20 "
"21 22 "
"- - "
"23 24 "
"25 26 "
"- - "
"27 28 "
"- - "
"32 33 "
"34 35 "),
Connector("j", 5, # J5
"- - "
"71 69 "
"70 68 "
"67 62 "
"65 61 "
"- - "
"60 58 "
"59 57 "
"- - "
"56 54 "
"55 52 "
"- - "
"50 48 "
"49 47 "
"- - "
"45 43 "
"44 42 "
"- - "
"41 39 "
"40 38 "),
]
def toolchain_program(self, products, name):
tool = os.environ.get("OPENFPGALOADER", "openFPGALoader")
with products.extract("{}.bit".format(name)) as bitstream_filename:
subprocess.check_call([tool, "-b", "machXO2EVN", "-m", bitstream_filename])
# This is an older version of the board, that has an FPGA with less logic
# resources. It is otherwise the same.
class MachXO2_1200ZE_BreakoutPlatform(MachXO2_7000HE_BreakoutPlatform):
device = "LCMXO2-1200ZE"
speed = "1"
if __name__ == "__main__":
from .test.blinky import *
MachXO2_7000HE_BreakoutPlatform().build(Blinky(), do_program=True)
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