nandland_go: add Nandland Go platform.

nmigen_boards/nandland_go.py

@@ -0,0 +1,50 @@
+import os
+import subprocess
+
+from nmigen.build import *
+from nmigen.vendor.lattice_ice40 import *
+from .resources import *
+
+
+__all__ = ["NandlandGoPlatform"]
+
+
+class NandlandGoPlatform(LatticeICE40Platform):
+    device      = "iCE40HX1K"
+    package     = "VQ100"
+    default_clk = "clk25"
+    resources = [
+        Resource("clk25", 0, Pins("15", dir="i"),
+            Clock(25e6)),
+
+        *LEDResources(pins="56 57 59 60"),
+        *ButtonResources(pins="53 51 54 52"),
+
+        Display7SegResource(0,
+            a="3", b="4", c="93", d="91", e="90", f="1", g="2"),
+        Display7SegResource(1,
+            a="100", b="99", c="97", d="95", e="94", f="8", g="96"),
+
+        UARTResource(0, rx="73", tx="74"),
+
+        *SPIFlashResources(0, cs_n="49", clk="48", copi="45", cipo="46"),
+
+        VGAResource(0,
+            r="36 37 40",
+            g="29 30 33",
+            b="28 41 42",
+            hs="26", vs="27"),
+    ]
+    connectors = [
+        Connector("pmod", 0, "65 64 63 62 - - 78 79 80 81 - -"),
+    ]
+
+    def toolchain_program(self, products, name):
+        iceprog = os.environ.get("ICEPROG", "iceprog")
+        with products.extract("{}.bin".format(name)) as bitstream_filename:
+            subprocess.check_call([iceprog, bitstream_filename])
+
+
+if __name__ == "__main__":
+    from .test.blinky import *
+    NandlandGoPlatform().build(Blinky(), do_program=True)