vendor.icestick: implement.

diff --git a/nmigen/vendor/icestick.py b/nmigen/vendor/icestick.py
new file mode 100644 (file)
index 0000000..4da44c4
--- /dev/null
+++ b/nmigen/vendor/icestick.py
@@ -0,0 +1,49 @@
+from ..build import *
+from .fpga.lattice_ice40 import LatticeICE40Platform, IceStormProgrammerMixin
+
+
+__all__ = ["ICEStickPlatform"]
+
+
+class ICEStickPlatform(IceStormProgrammerMixin, LatticeICE40Platform):
+    device    = "hx1k"
+    package   = "tq144"
+    clocks    = [
+        ("clk12", 12e6),
+    ]
+    resources = [
+        Resource("clk12", 0, Pins("21", dir="i"), extras=["IO_STANDARD=LVCMOS33"]),
+
+        Resource("user_led", 0, Pins("99", dir="o"), extras=["IO_STANDARD=LVCMOS33"]),
+        Resource("user_led", 1, Pins("98", dir="o"), extras=["IO_STANDARD=LVCMOS33"]),
+        Resource("user_led", 2, Pins("97", dir="o"), extras=["IO_STANDARD=LVCMOS33"]),
+        Resource("user_led", 3, Pins("96", dir="o"), extras=["IO_STANDARD=LVCMOS33"]),
+        Resource("user_led", 4, Pins("95", dir="o"), extras=["IO_STANDARD=LVCMOS33"]),
+
+        Resource("serial", 0,
+            Subsignal("rx",  Pins("9", dir="i")),
+            Subsignal("tx",  Pins("8", dir="o")),
+            Subsignal("rts", Pins("7", dir="o")),
+            Subsignal("cts", Pins("4", dir="i")),
+            Subsignal("dtr", Pins("3", dir="o")),
+            Subsignal("dsr", Pins("2", dir="i")),
+            Subsignal("dcd", Pins("1", dir="i")),
+            extras=["IO_STANDARD=SB_LVTTL", "PULLUP=1"],
+        ),
+
+        Resource("irda", 0,
+            Subsignal("rx", Pins("106", dir="i")),
+            Subsignal("tx", Pins("105", dir="o")),
+            Subsignal("sd", Pins("107", dir="o")),
+            extras=["IO_STANDARD=SB_LVCMOS33"]
+        ),
+
+        Resource("spiflash", 0,
+            Subsignal("cs_n", Pins("71", dir="o")),
+            Subsignal("clk",  Pins("70", dir="o")),
+            Subsignal("mosi", Pins("67", dir="io")),
+            Subsignal("miso", Pins("68", dir="io")),
+            extras=["IO_STANDARD=SB_LVCMOS33"]
+        ),
+    ]
+    prog_mode = "flash"