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diff --git a/amaranth_boards/tinyfpga_ax1.py b/amaranth_boards/tinyfpga_ax1.py
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+++ b/amaranth_boards/tinyfpga_ax1.py
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+from amaranth.build import *
+from amaranth.vendor.lattice_machxo2 import *
+from .resources import *
+
+
+__all__ = ["TinyFPGAAX1Platform"]
+
+
+class TinyFPGAAX1Platform(LatticeMachXO2Platform):
+ device = "LCMXO2-256HC"
+ package = "SG32"
+ speed = "4"
+ connectors = [
+ Connector("gpio", 0,
+ # Left side of the board
+ # 1 2 3 4 5 6 7 8 9 10 11
+ "13 14 16 17 20 21 23 25 26 27 28 "
+ # Right side of the board
+ # 12 13 14 15 16 17 18 19 20 21 22
+ "- - - - 4 5 8 9 10 11 12 "
+ ),
+ ]
+ resources = []
+ # This board doesn't have an integrated programmer.