Add Terasic DE10-Nano (#32)

diff --git a/nmigen_boards/de10_nano.py b/nmigen_boards/de10_nano.py
new file mode 100644 (file)
index 0000000..7ea3d68
--- /dev/null
+++ b/nmigen_boards/de10_nano.py
@@ -0,0 +1,90 @@
+import os
+import subprocess
+
+from nmigen.build import *
+from nmigen.vendor.intel import *
+from .resources import *
+
+
+__all__ = ["DE10NanoPlatform"]
+
+
+class DE10NanoPlatform(IntelPlatform):
+    device      = "5CSEBA6" # Cyclone V 110K LEs
+    package     = "U23"     # UBGA-484
+    speed       = "I7"
+    default_clk = "clk50"
+    resources   = [
+        Resource("clk50", 0, Pins("V11", dir="i"),
+                 Clock(50e6), Attrs(io_standard="3.3-V LVTTL")),
+        Resource("clk50", 1, Pins("Y13", dir="i"),
+                 Clock(50e6), Attrs(io_standard="3.3-V LVTTL")),
+        Resource("clk50", 2, Pins("E11", dir="i"),
+                 Clock(50e6), Attrs(io_standard="3.3-V LVTTL")),
+
+        *LEDResources(
+            pins="W15 AA24 V16 V15 AF26 AE26 Y16 AA23",
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+        *ButtonResources(
+            pins="AH17 AH16", invert=True,
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+        *SwitchResources(
+            pins="Y24 W24 W21 W20",
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+
+        # Arduino header
+        UARTResource(0,
+            rx="AG13", tx="AF13",
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+
+        # LTC2308 analogue-to-digital converter
+        SPIResource(0,
+            cs="U9", clk="V10", mosi="AC4", miso="AD4",
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+
+        # ADV7513 HDMI transmitter
+        # Note this has a lot of input formats for tx_d, but this defaults to RGB24
+        Resource("adv7513", 0,
+            Subsignal("tx_d_r", Pins("AD12 AE12 W8   Y8   AD11 AD10 AE11 Y5", dir="o")),
+            Subsignal("tx_d_g", Pins("AF10 Y4   AE9  AB4  AE7  AF6  AF8  AF5", dir="o")),
+            Subsignal("tx_d_b", Pins("AE4  AH2  AH4  AH5  AH6  AG6  AF9  AE8", dir="o")),
+            Subsignal("tx_clk", Pins("AG5", dir="o")),
+            Subsignal("tx_de", Pins("AD19", dir="o")),
+            Subsignal("tx_hs", Pins("T8", dir="o")),
+            Subsignal("tx_vs", Pins("V13", dir="o")),
+            Subsignal("tx_int", Pins("AF11", dir="i")),
+            Subsignal("i2s0", Pins("T13", dir="o")),
+            Subsignal("mclk", Pins("U11", dir="o")),
+            Subsignal("lrclk", Pins("T11", dir="o")),
+            Subsignal("sclk", Pins("T12", dir="o")),
+            Subsignal("scl", Pins("U10", dir="o")),
+            Subsignal("sda", Pins("AA4", dir="io")),
+            Attrs(io_standard="3.3-V LVTTL")),
+    ]
+    connectors  = [
+        Connector("gpio", 0,
+            "V12  E8   W12  D11  D8   AH13 AF7  AH14 AF4  AH3  "
+            "-    -    AD5  AG14 AE23 AE6  AD23 AE24 D12  AD20 "
+            "C12  AD17 AC23 AC22 Y19  AB23 AA19 W11  -    -    "
+            "AA18 W14  Y18  Y17  AB25 AB26 Y11  AA26 AA13 AA11 "),
+        Connector("gpio", 1,
+            "Y15  AC24 AA15 AD26 AG28 AF28 AE25 AF27 AG26 AH27 "
+            "-    -    AG25 AH26 AH24 AF25 AG23 AF23 AG24 AH22 "
+            "AH21 AG21 AH23 AA20 AF22 AE22 AG20 AF21 -    -    "
+            "AG19 AH19 AG18 AH18 AF18 AF20 AG15 AE20 AE19 AE17 "),
+        Connector("arduino", 0,
+            "AG13 AF13 AG10 AG9  U14  U13  AG8  AH8  "
+            "AF17 AE15 AF15 AG16 AH11 AH12 AH9  AG11 "
+            "AH7"),
+    ]
+
+    def toolchain_program(self, products, name):
+        quartus_pgm = os.environ.get("QUARTUS_PGM", "quartus_pgm")
+        with products.extract("{}.sof".format(name)) as bitstream_filename:
+            subprocess.check_call([quartus_pgm, "--haltcc", "--mode", "JTAG",
+                                   "--operation", "P;" + bitstream_filename])
+
+
+if __name__ == "__main__":
+    from .test.blinky import Blinky
+    DE10NanoPlatform().build(Blinky(), do_program=True)