From b968cfade961a329c26035ef8bfdf3058e95a9f1 Mon Sep 17 00:00:00 2001 From: whitequark Date: Fri, 10 Dec 2021 07:38:00 +0000 Subject: Rename nMigen to Amaranth HDL. --- amaranth_boards/tinyfpga_bx.py | 53 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 amaranth_boards/tinyfpga_bx.py (limited to 'amaranth_boards/tinyfpga_bx.py') diff --git a/amaranth_boards/tinyfpga_bx.py b/amaranth_boards/tinyfpga_bx.py new file mode 100644 index 0000000..b8ce12f --- /dev/null +++ b/amaranth_boards/tinyfpga_bx.py @@ -0,0 +1,53 @@ +import os +import subprocess + +from amaranth.build import * +from amaranth.vendor.lattice_ice40 import * +from .resources import * + + +__all__ = ["TinyFPGABXPlatform"] + + +class TinyFPGABXPlatform(LatticeICE40Platform): + device = "iCE40LP8K" + package = "CM81" + default_clk = "clk16" + resources = [ + Resource("clk16", 0, Pins("B2", dir="i"), + Clock(16e6), Attrs(IO_STANDARD="SB_LVCMOS")), + + *LEDResources(pins="B3", attrs=Attrs(IO_STANDARD="SB_LVCMOS")), + + DirectUSBResource(0, d_p="B4", d_n="A4", pullup="A3", + attrs=Attrs(IO_STANDARD="SB_LVCMOS") + ), + + *SPIFlashResources(0, + cs_n="F7", clk="G7", copi="G6", cipo="H7", wp_n="H4", hold_n="J8", + attrs=Attrs(IO_STANDARD="SB_LVCMOS") + ), + ] + connectors = [ + Connector("gpio", 0, + # Left side of the board + # 1 2 3 4 5 6 7 8 9 10 11 12 13 + " A2 A1 B1 C2 C1 D2 D1 E2 E1 G2 H1 J1 H2 " + # Right side of the board + # 14 15 16 17 18 19 20 21 22 23 24 + " H9 D9 D8 C9 A9 B8 A8 B7 A7 B6 A6 " + # Bottom of the board + # 25 26 27 28 29 30 31 + "G1 J3 J4 G9 J9 E8 J2" + ), + ] + + def toolchain_program(self, products, name): + tinyprog = os.environ.get("TINYPROG", "tinyprog") + with products.extract("{}.bin".format(name)) as bitstream_filename: + subprocess.check_call([tinyprog, "-p", bitstream_filename]) + + +if __name__ == "__main__": + from .test.blinky import * + TinyFPGABXPlatform().build(Blinky(), do_program=True) -- cgit v1.2.3