Add Arrow DECA platform.

Author: StephanvanSchaik

nmigen_boards/arrow_deca.py

@@ -0,0 +1,86 @@
+import os
+import subprocess
+
+from nmigen.build import *
+from nmigen.vendor.intel import *
+from .resources import *
+
+
+__all__ = ["ArrowDECAPlatform"]
+
+
+class ArrowDECAPlatform(IntelPlatform):
+    device      = "10M50DA" # MAX 10
+    package     = "F484"
+    speed       = "C6"
+    suffix      = "GES"
+    default_clk = "clk50"
+    resources   = [
+        Resource("clk50", 0, Pins("M8", dir="i"),
+            Clock(50e6), Attrs(io_standard="2.5 V")),
+        Resource("clk50", 1, Pins("P11", dir="i"),
+            Clock(50e6), Attrs(io_standard="3.3 V")),
+        Resource("clk50", 2, Pins("N15", dir="i"),
+            Clock(50e6), Attrs(io_standard="1.5 V")),
+        Resource("clk10", 0, Pins("M9", dir="i"),
+            Clock(10e6), Attrs(io_standard="2.5 V")),
+
+        *LEDResources(
+            pins="C7 C8 A6 B7 C4 A5 B4 C5",
+            invert=True,
+            attrs=Attrs(io_standard="1.2 V")),
+        *ButtonResources(
+            pins="H21 H22",
+            invert=True,
+            attrs=Attrs(io_standard="1.5 V")),
+        *SwitchResources(
+            pins="J21 J22",
+            attrs=Attrs(io_standard="1.5 V")),
+    ]
+    connectors  = [
+        Connector("gpio", 0,
+            "W18  Y18  Y19  AA17 AA20 AA19 AB21 AB20 AB19 Y16  V16  "
+            "AB18 V15  W17  AB17 AA16 AB16 W16  AB15 W15  Y14  AA15 "
+            "AB14 AA14 AB13 AA13 AB12 AA12 AB11 AA11 AB10 Y13  Y11  "
+            "W13  W12  W11  V12  V11  V13  V14  Y17  W14  U15  R13"),
+        Connector("gpio", 1,
+            "Y5   Y6   W6   W7   W8   V8   AB8   V7  R11  AB7  AB6  "
+            "AA7  AA6  Y7   V10  U7   W9   W5   R9   W4    P9  V17  "
+            "W3"),
+    ]
+
+    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])
+
+    @property
+    def file_templates(self):
+        # Configure the voltages of the I/O banks by appending the global
+        # assignments to the template. However, we create our own copy of the
+        # file templates before modifying them to avoid modifying the original.
+        return {
+            **super().file_templates,
+            "{{name}}.qsf": r"""
+                set_global_assignment -name IOBANK_VCCIO 2.5V -section_id 1A
+                set_global_assignment -name IOBANK_VCCIO 2.5V -section_id 1B
+                set_global_assignment -name IOBANK_VCCIO 2.5V -section_id 2
+                set_global_assignment -name IOBANK_VCCIO 3.3V -section_id 3
+                set_global_assignment -name IOBANK_VCCIO 3.3V -section_id 4
+                set_global_assignment -name IOBANK_VCCIO 1.5V -section_id 5
+                set_global_assignment -name IOBANK_VCCIO 1.5V -section_id 6
+                set_global_assignment -name IOBANK_VCCIO 1.8V -section_id 7
+                set_global_assignment -name IOBANK_VCCIO 1.2V -section_id 8
+
+                set_global_assignment -name FORCE_CONFIGURATION_VCCIO ON
+                set_global_assignment -name AUTO_RESTART_CONFIGURATION OFF
+                set_global_assignment -name ENABLE_CONFIGURATION_PINS OFF
+                set_global_assignment -name ENABLE_BOOT_SEL_PIN OFF
+            """
+        }
+
+
+if __name__ == "__main__":
+    from .test.blinky import Blinky
+    ArrowDECAPlatform().build(Blinky(), do_program=True)