Add MyStorm BlackIce I and II platforms (#95)

migen/build/lattice/programmer.py

@@ -52,3 +52,14 @@ def flash(self, address, bitstream_file):
     # is active, and the user image need not be reprogrammed.
     def boot(self):
         subprocess.call(["tinyfpgab", "-b"])
+
+
+class MyStormProgrammer(GenericProgrammer):
+    def __init__(self, serial_port):
+        self.serial_port = serial_port
+
+    def load_bitstream(self, bitstream_file):
+        import serial
+        with serial.Serial(self.serial_port) as port:
+            with open(bitstream_file, "rb") as f:
+                port.write(f.read())

migen/build/platforms/mystorm_blackice.py

@@ -0,0 +1,80 @@
+from migen.build.generic_platform import Subsignal, Pins, IOStandard
+from migen.build.lattice import LatticePlatform
+from migen.build.lattice.programmer import MyStormProgrammer
+
+
+_io = [
+    ("sram", 0,
+        Subsignal("adr", Pins("137 138 139 141 142 42 43 44 73 74 75 76 115",
+                              "116 117 118 119 78 62")),
+        Subsignal("dat", Pins("135 134 130 128 125 124 122 121 61 60 56 55 52",
+                              "49 48 47")),
+        Subsignal("oe", Pins("45")),
+        Subsignal("we", Pins("120")),
+        Subsignal("cs", Pins("136")),
+        IOStandard("LVCMOS33"),
+    ),
+
+    ("clk100", 0, Pins("129"), IOStandard("LVCMOS33")),
+
+    ("mmc", 0,
+        Subsignal("dat", Pins("63 64 39 38")),
+        Subsignal("cmd", Pins("41")),
+        Subsignal("clk", Pins("37")),
+        IOStandard("LVCMOS33"),
+    ),
+
+    ("serial", 0,
+        Subsignal("rx", Pins("88")),
+        Subsignal("tx", Pins("85")),
+        Subsignal("rts", Pins("91")),
+        Subsignal("cts", Pins("94")),
+        IOStandard("LVCMOS33"),
+    ),
+
+    ("user_btn", 0, Pins("63"), IOStandard("LVCMOS33")),
+    ("user_btn", 1, Pins("64"), IOStandard("LVCMOS33")),
+
+    ("user_sw", 0, Pins("37"), IOStandard("LVCMOS33")),
+    ("user_sw", 1, Pins("38"), IOStandard("LVCMOS33")),
+    ("user_sw", 2, Pins("39"), IOStandard("LVCMOS33")),
+    ("user_sw", 3, Pins("41"), IOStandard("LVCMOS33")),
+
+    ("user_led", 0, Pins("71"), IOStandard("LVCMOS33")),
+    ("user_led", 1, Pins("67"), IOStandard("LVCMOS33")),
+    ("user_led", 2, Pins("68"), IOStandard("LVCMOS33")),
+    ("user_led", 3, Pins("70"), IOStandard("LVCMOS33")),
+
+    ("done", 0, Pins("52"), IOStandard("LVCMOS33")),
+    ("dbg1", 0, Pins("49"), IOStandard("LVCMOS33")),
+    ("greset", 0, Pins("128"), IOStandard("LVCMOS33")),
+]
+
+_connectors = [
+    ("pmod0", "94 91 88 85"),
+    ("pmod1", "95 93 90 87"),
+    ("pmod2", "105 102 99 97"),
+    ("pmod3", "104 101 98 96"),
+    ("pmod4", "143 114 112 107"),
+    ("pmod5", "144 113 110 106"),
+    ("pmod6", "10 9 2 1"),
+    ("pmod7", "8 7 4 3"),
+    ("pmod8", "20 19 16 15"),
+    ("pmod9", "18 17 12 11"),
+    ("pmod10", "34 33 22 21"),
+    ("pmod11", "32 31 26 25"),
+    ("pmod12", "29 28 24 23"),
+    ("pmod13", "71 67 68 70"),
+]
+
+
+class Platform(LatticePlatform):
+    default_clk_name = "clk100"
+    default_clk_period = 10
+
+    def __init__(self):
+        LatticePlatform.__init__(self, "ice40-hx8k-tq144:4k",
+                                 _io, _connectors, toolchain="icestorm")
+
+    def create_programmer(self, serial_port="/dev/ttyACM0"):
+        return MyStormProgrammer(serial_port)

migen/build/platforms/mystorm_blackice_ii.py

@@ -0,0 +1,82 @@
+from migen.build.generic_platform import Subsignal, Pins, IOStandard
+from migen.build.lattice import LatticePlatform
+from migen.build.lattice.programmer import MyStormProgrammer
+
+
+_io = [
+    ("sram", 0,
+        Subsignal("adr", Pins("137 138 139 141 142 42 43 44 73 74 75 76 115",
+                              "116 117 118 119 78")),
+        Subsignal("dat", Pins("136 135 134 130 125 124 122 121 62 61 60 56 55",
+                              "48 47 45")),
+        Subsignal("oe", Pins("29")),
+        Subsignal("we", Pins("120")),
+        Subsignal("cs", Pins("23")),
+        Subsignal("ub", Pins("28")),
+        Subsignal("lb", Pins("24")),
+        IOStandard("LVCMOS33"),
+    ),
+
+    ("clk100", 0, Pins("129"), IOStandard("LVCMOS33")),
+
+    ("mmc", 0,
+        Subsignal("dat", Pins("63 64 39 38")),
+        Subsignal("cmd", Pins("41")),
+        Subsignal("clk", Pins("37")),
+        IOStandard("LVCMOS33"),
+    ),
+
+    ("serial", 0,
+        Subsignal("rx", Pins("88")),
+        Subsignal("tx", Pins("85")),
+        Subsignal("rts", Pins("91")),
+        Subsignal("cts", Pins("94")),
+        IOStandard("LVCMOS33"),
+    ),
+
+    ("user_btn", 0, Pins("63"), IOStandard("LVCMOS33")),
+    ("user_btn", 1, Pins("64"), IOStandard("LVCMOS33")),
+
+    ("user_sw", 0, Pins("37"), IOStandard("LVCMOS33")),
+    ("user_sw", 1, Pins("38"), IOStandard("LVCMOS33")),
+    ("user_sw", 2, Pins("39"), IOStandard("LVCMOS33")),
+    ("user_sw", 3, Pins("41"), IOStandard("LVCMOS33")),
+
+    ("user_led", 0, Pins("71"), IOStandard("LVCMOS33")),
+    ("user_led", 1, Pins("67"), IOStandard("LVCMOS33")),
+    ("user_led", 2, Pins("68"), IOStandard("LVCMOS33")),
+    ("user_led", 3, Pins("70"), IOStandard("LVCMOS33")),
+
+    ("done", 0, Pins("52"), IOStandard("LVCMOS33")),
+    ("dbg1", 0, Pins("49"), IOStandard("LVCMOS33")),
+    ("greset", 0, Pins("128"), IOStandard("LVCMOS33")),
+]
+
+_connectors = [
+    ("pmod0", "94 91 88 85"),
+    ("pmod1", "95 93 90 87"),
+    ("pmod2", "105 102 99 97"),
+    ("pmod3", "104 101 98 96"),
+    ("pmod4", "143 114 112 107"),
+    ("pmod5", "144 113 110 106"),
+    ("pmod6", "10 9 2 1"),
+    ("pmod7", "8 7 4 3"),
+    ("pmod8", "20 19 16 15"),
+    ("pmod9", "18 17 12 11"),
+    ("pmod10", "34 33 22 21"),
+    ("pmod11", "32 31 26 25"),
+    ("pmod12", "37 38 39 41"),
+    ("pmod13", "71 67 68 70"),
+]
+
+
+class Platform(LatticePlatform):
+    default_clk_name = "clk100"
+    default_clk_period = 10
+
+    def __init__(self):
+        LatticePlatform.__init__(self, "ice40-hx8k-tq144:4k",
+                                 _io, _connectors, toolchain="icestorm")
+
+    def create_programmer(self, serial_port="/dev/ttyACM0"):
+        return MyStormProgrammer(serial_port)