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authorwhitequark <whitequark@whitequark.org>2021-12-10 07:38:00 +0000
committerwhitequark <whitequark@whitequark.org>2021-12-10 08:30:37 +0000
commitb968cfade961a329c26035ef8bfdf3058e95a9f1 (patch)
tree94891b950cb0547868877027230ff09b9cb56d4a /amaranth_boards/blackice_ii.py
parentbd7fdd379d8b28f8b542f251a11ca28297e8fd6f (diff)
Rename nMigen to Amaranth HDL.
Diffstat (limited to 'amaranth_boards/blackice_ii.py')
-rw-r--r--amaranth_boards/blackice_ii.py63
1 files changed, 63 insertions, 0 deletions
diff --git a/amaranth_boards/blackice_ii.py b/amaranth_boards/blackice_ii.py
new file mode 100644
index 0000000..99fd1e7
--- /dev/null
+++ b/amaranth_boards/blackice_ii.py
@@ -0,0 +1,63 @@
+import os
+import subprocess
+
+from amaranth.build import *
+from amaranth.vendor.lattice_ice40 import *
+from .resources import *
+
+
+__all__ = ["BlackIceIIPlatform"]
+
+
+class BlackIceIIPlatform(LatticeICE40Platform):
+ device = "iCE40HX4K"
+ package = "TQ144"
+ default_clk = "clk100"
+ resources = [
+ Resource("clk100", 0, Pins("129", dir="i"),
+ Clock(100e6), Attrs(GLOBAL=True, IO_STANDARD="SB_LVCMOS")
+ ),
+
+ *LEDResources(pins="71 67 68 70", attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
+ # Color aliases
+ Resource("led_b", 0, Pins("71", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS")),
+ Resource("led_g", 0, Pins("67", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS")),
+ Resource("led_o", 0, Pins("68", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS")),
+ Resource("led_r", 0, Pins("70", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS")),
+
+ *ButtonResources(pins="63 64", invert=True, attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
+ *SwitchResources(pins="37 38 39 41", invert=True, attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
+
+ UARTResource(0,
+ rx="88", tx="85", rts="91", cts="94",
+ attrs=Attrs(IO_STANDARD="SB_LVCMOS", PULLUP=1),
+ role="dce"
+ ),
+
+ SRAMResource(0,
+ cs_n="136", oe_n="29", we_n="120",
+ a="137 138 139 141 142 42 43 44 73 74 75 76 115 116 117 118 119 78",
+ d="136 135 134 130 125 124 122 121 62 61 60 56 55 48 47 45",
+ dm_n="24 28",
+ attrs=Attrs(IO_STANDARD="SB_LVCMOS"),
+ ),
+ ]
+ connectors = [
+ Connector("pmod", 0, " 94 91 88 85 - - 95 93 90 87 - -"), # PMOD1/2
+ Connector("pmod", 1, "105 102 99 97 - - 104 101 98 96 - -"), # PMOD3/4
+ Connector("pmod", 2, "143 114 112 107 - - 144 113 110 106 - -"), # PMOD5/6
+ Connector("pmod", 3, " 10 9 2 1 - - 8 7 4 3 - -"), # PMOD7/8
+ Connector("pmod", 4, " 20 19 16 15 - - 18 17 12 11 - -"), # PMOD9/10
+ Connector("pmod", 5, " 34 33 22 21 - - 32 31 26 25 - -"), # PMOD11/12
+ Connector("pmod", 6, " 37 38 39 41 - -"), # PMOD13
+ Connector("pmod", 7, " 71 67 68 70 - -"), # PMOD14
+ ]
+
+ def toolchain_program(self, products, name):
+ with products.extract("{}.bin".format(name)) as bitstream_filename:
+ subprocess.check_call(["cp", bitstream_filename, "/dev/ttyACM0"])
+
+
+if __name__ == "__main__":
+ from .test.blinky import *
+ BlackIceIIPlatform().build(Blinky(), do_program=True)