aboutsummaryrefslogtreecommitdiff
path: root/amaranth_boards/icesugar_nano.py
diff options
context:
space:
mode:
Diffstat (limited to 'amaranth_boards/icesugar_nano.py')
-rw-r--r--amaranth_boards/icesugar_nano.py48
1 files changed, 48 insertions, 0 deletions
diff --git a/amaranth_boards/icesugar_nano.py b/amaranth_boards/icesugar_nano.py
new file mode 100644
index 0000000..1f2b07b
--- /dev/null
+++ b/amaranth_boards/icesugar_nano.py
@@ -0,0 +1,48 @@
+import os
+import subprocess
+
+from amaranth.build import *
+from amaranth.vendor.lattice_ice40 import *
+from .resources import *
+
+
+__all__ = ["ICESugarNanoPlatform"]
+
+
+class ICESugarNanoPlatform(LatticeICE40Platform):
+ device = "iCE40LP1K"
+ package = "CM36"
+ default_clk = "clk12"
+
+ resources = [
+ Resource("clk12", 0, Pins("D1", dir="i"),
+ Clock(12e6), Attrs(GLOBAL=True, IO_STANDARD="LVCMOS33")),
+
+ *LEDResources(pins="B6", invert=False, attrs=Attrs(IO_STANDARD="LVCMOS33")),
+
+ UARTResource(0,
+ tx="B3", rx="A3",
+ attrs=Attrs(IO_STANDARD="LVTTL33", PULLUP=1)
+ ),
+
+ *SPIFlashResources(0,
+ cs_n="D5", clk="E5", copi="E4", cipo="F5",
+ attrs=Attrs(IO_STANDARD="LVCMOS33")
+ ),
+ ]
+
+ connectors = [
+ Connector("pmod", 0, "E2 D1 B1 A1 - -"), # PMOD1
+ Connector("pmod", 1, "B3 A3 B6 C5 - -"), # PMOD2
+ Connector("pmod", 2, "B4 B5 E1 B1 - - C6 E3 C2 A1 - -"), # PMOD3
+ ]
+
+ def toolchain_program(self, products, name):
+ icesprog = os.environ.get("ICESPROG", "icesprog")
+ with products.extract("{}.bin".format(name)) as bitstream_filename:
+ subprocess.check_call([icesprog, bitstream_filename])
+
+
+if __name__ == "__main__":
+ from .test.blinky import *
+ ICESugarNanoPlatform().build(Blinky(), do_program=True)