Add Fomu PVT support.

1 files changed, 54 insertions, 0 deletions

diff --git a/nmigen_boards/fomu_pvt.py b/nmigen_boards/fomu_pvt.py
new file mode 100644
index 0000000..4a2b1ba
--- /dev/null
+++ b/nmigen_boards/fomu_pvt.py
@@ -0,0 +1,54 @@
+import os
+import subprocess
+
+from nmigen.build import *
+from nmigen.vendor.lattice_ice40 import *
+from .resources import *
+
+
+__all__ = ["FomuPVTPlatform"]
+
+
+class FomuPVTPlatform(LatticeICE40Platform):
+    device      = "iCE40UP5K"
+    package     = "UWG30"
+    default_clk = "clk48"
+    resources   = [
+        Resource("clk48", 0, Pins("F4", dir="i"),
+                 Clock(48e6), Attrs(GLOBAL=True, IO_STANDARD="SB_LVCMOS")),
+
+        *LEDResources(pins="A5", invert=True, attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
+        RGBLEDResource(0,
+            r="B5", g="A5", b="C5", invert=True,
+            attrs=Attrs(IO_STANDARD="SB_LVCMOS")
+        ),
+
+        Resource("usb", 0,
+            Subsignal("d_p", Pins("A1")),
+            Subsignal("d_n", Pins("A2")),
+            Subsignal("pullup", Pins("A4")),
+            Attrs(IO_STANDARD="SB_LVCMOS"),
+        ),
+
+        *SPIFlashResources(0,
+            cs="C1", clk="D1", mosi="F1", miso="E1",
+            attrs=Attrs(IO_STANDARD="SB_LVCMOS"),
+        ),
+
+        Resource("touch", 0, Pins("E4")),
+        Resource("touch", 1, Pins("D5")),
+        Resource("touch", 2, Pins("E5")),
+        Resource("touch", 3, Pins("F5")),
+    ]
+
+    connectors = []
+
+    def toolchain_program(self, products, name):
+        dfu_util = os.environ.get("DFU_UTIL", "dfu-util")
+        with products.extract("{}.bin".format(name)) as bitstream_filename:
+            subprocess.check_call([dfu_util, "-D", bitstream_filename])
+
+
+if __name__ == "__main__":
+    from .test.blinky import *
+    FomuPVTPlatform().build(Blinky(), do_program=True)