Add support for MCH2022 badge

amaranth_boards/mch2022.py

@@ -0,0 +1,95 @@
+import os
+import subprocess
+import errno
+
+from amaranth.build import *
+from amaranth.vendor.lattice_ice40 import *
+from .resources import *
+
+
+__all__ = ["MCH2022BadgePlatform"]
+
+
+class MCH2022BadgePlatform(LatticeICE40Platform):
+    device = "iCE40UP5K"
+    package = "SG48"
+    default_clk = "clk12"
+    resources = [
+        Resource(
+            "clk12",
+            0,
+            Pins("35", dir="i"),
+            Clock(12e6),
+            Attrs(GLOBAL=True, IO_STANDARD="SB_LVCMOS"),
+        ),
+        # UART (to RP2040)
+        UARTResource(0, rx="6", tx="9", attrs=Attrs(IO_STANDARD="SB_LVTTL", PULLUP=1)),
+        # IRQ (to ESP32)
+        Resource(
+            "irq", 0, PinsN("10", dir="oe"), Attrs(IO_STANDARD="SB_LVCMOS", PULLUP=1)
+        ),
+        # SPI Peripheral (to ESP32)
+        SPIResource(
+            0,
+            copi="17",
+            cipo="14",
+            clk="15",
+            cs_n="16",
+            role="peripheral",
+            attrs=Attrs(IO_STANDARD="SB_LVCMOS"),
+        ),
+        # SPI-connected PSRAM.
+        Resource(
+            "spi_psram_4x",
+            0,
+            Subsignal("dq", Pins("21 13 12 20")),
+            Subsignal("clk", Pins("19")),
+            Subsignal("cs", PinsN("18"), Attrs(PULLMODE="UP")),
+            Attrs(IO_STANDARD="SB_LVCMOS", SLEWRATE="SLOW"),
+        ),
+        # LCD
+        Resource(
+            "lcd",
+            0,
+            Subsignal(
+                "db",
+                Pins("26 27 31 32 34 37 38 42"),
+            ),
+            Subsignal("rs", Pins("11"), Attrs(PULLMODE="UP")),
+            Subsignal("wr", PinsN("23"), Attrs(PULLMODE="UP")),
+            Subsignal("cs", PinsN("28", dir="oe"), Attrs(PULLMODE="UP")),
+            Subsignal("mode", Pins("43")),
+            Subsignal("rst", PinsN("36", dir="oe")),
+            Subsignal("fmark", Pins("25")),
+            Attrs(IO_STANDARD="SB_LVCMOS"),
+        ),
+        # RGB driver
+        *LEDResources(
+            pins="39 40 41", invert=True, attrs=Attrs(IO_STANDARD="SB_LVCMOS")
+        ),
+        # Semantic aliases
+        Resource("led_r", 0, PinsN("39", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS")),
+        Resource("led_g", 0, PinsN("40", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS")),
+        Resource("led_b", 0, PinsN("41", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS")),
+    ]
+    connectors = [
+        Connector("pmod", 0, "47 48  4  2 - - 44 45  3 46 - -"),
+    ]
+
+    def toolchain_program(self, products, name):
+        webusb_fpga = os.environ.get("WEBUSB_FPGA")
+        if not webusb_fpga:
+            print(
+                "Please clone https://github.com/badgeteam/mch2022-tools and set the WEBUSB_FPGA environment variable"
+            )
+            print("e.g. `export WEBUSB_FPGA=~/mch2022-tools/webusb_fpga.py`")
+            exit(errno.ENOENT)
+        with products.extract("{}.bin".format(name)) as bitstream_filename:
+            subprocess.check_call([webusb_fpga, bitstream_filename])
+
+
+if __name__ == "__main__":
+    from .test.blinky import *
+
+    p = MCH2022BadgePlatform()
+    p.build(Blinky(), do_program=True)