mystorm BlackIce support

diff --git a/nmigen_boards/blackice.py b/nmigen_boards/blackice.py
new file mode 100644 (file)
index 0000000..f8f637b
--- /dev/null
+++ b/nmigen_boards/blackice.py
@@ -0,0 +1,80 @@
+import os
+import subprocess
+
+from nmigen.build import *
+from nmigen.vendor.lattice_ice40 import *
+
+
+__all__ = ["BlackIcePlatform"]
+
+
+class BlackIcePlatform(LatticeICE40Platform):
+    device = "iCE40HX4K"
+    package = "TQ144"
+    resources  = [
+        Resource("clk100", 0, Pins("129", dir="i"),
+            Clock(100e6), Attrs(GLOBAL="1", IO_STANDARD="SB_LVCMOS33")
+        ),
+
+        Resource("user_led", 0, Pins("71", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_led", 1, Pins("67", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_led", 2, Pins("68", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_led", 3, Pins("70", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        # Color aliases
+        Resource("user_ledb", 0, Pins("71", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_ledg", 0, Pins("67", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_ledo", 0, Pins("68", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_ledr", 0, Pins("70", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+
+        Resource("user_btn", 0, PinsN("63", dir="i"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_btn", 1, PinsN("64", dir="i"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+
+        Resource("user_sw", 0, PinsN("37", dir="i"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_sw", 1, PinsN("38", dir="i"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_sw", 2, PinsN("39", dir="i"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_sw", 3, PinsN("41", dir="i"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+
+        Resource("serial", 0,
+            Subsignal("rx", Pins("88", dir="i")),
+            Subsignal("tx", Pins("85", dir="o")),
+            Subsignal("rts", Pins("91", dir="o")),
+            Subsignal("cts", Pins("94", dir="i")),
+            Attrs(IO_STANDARD="SB_LVCMOS33"),
+        ),
+
+        Resource("sram", 0,
+            Subsignal("address", Pins(
+                "137 138 139 141 142 42 43 44 73 74 75 76 115 116 117 118 119 78",
+                dir="o"
+            )),
+            Subsignal("data", Pins(
+                "135 134 130 128 125 124 122 121 61 60 56 55 52 49 48 47",
+                dir="io"
+            )),
+            Subsignal("oe", PinsN("45", dir="o")),
+            Subsignal("we", PinsN("120", dir="o")),
+            Subsignal("cs", PinsN("136", dir="o")),
+            Attrs(IO_STANDARD="SB_LVCMOS33"),
+        ),
+    ]
+
+    connectors = [
+        Connector("pmod", 0, " 94  91  88  85 - -  95  93  90  87 - -"),  # PMOD1/2
+        Connector("pmod", 1, "105 102  99  97 - - 104 101  98  96 - -"),  # PMOD3/4
+        Connector("pmod", 2, "143 114 112 107 - - 144 113 110 106 - -"),  # PMOD5/6
+        Connector("pmod", 3, " 10   9   2   1 - -   8   7   4   3 - -"),  # PMOD7/8
+        Connector("pmod", 4, " 20  19  16  15 - -  18  17  12  11 - -"),  # PMOD9/10
+        Connector("pmod", 5, " 34  33  22  21 - -  32  31  26  25 - -"),  # PMOD11/12
+        Connector("pmod", 6, " 29  28  24  23 - -"),  # PMOD13
+        Connector("pmod", 7, " 71  67  68  70 - -"),  # PMOD14
+    ]
+
+    def toolchain_program(self, products, name):
+        with products.extract("{}.bin".format(name)) as bitstream_filename:
+            subprocess.run(["cp", bitstream_filename, "/dev/ttyACM0"], check=True)
+
+
+if __name__ == "__main__":
+    from ._blinky import Blinky
+    p = BlackIcePlatform()
+    p.build(Blinky("clk100"), do_program=True)