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-rw-r--r--nmigen_boards/colorlight_5a75b_r7_0.py114
1 files changed, 114 insertions, 0 deletions
diff --git a/nmigen_boards/colorlight_5a75b_r7_0.py b/nmigen_boards/colorlight_5a75b_r7_0.py
new file mode 100644
index 0000000..211c0d1
--- /dev/null
+++ b/nmigen_boards/colorlight_5a75b_r7_0.py
@@ -0,0 +1,114 @@
+import os
+import subprocess
+
+from nmigen.build import *
+from nmigen.vendor.lattice_ecp5 import *
+from .resources import *
+
+
+__all__ = ["Colorlight_5A75B_R70Platform"]
+
+
+class Colorlight_5A75B_R70Platform(LatticeECP5Platform):
+ device = "LFE5U-25F"
+ package = "BG256"
+ speed = "6"
+ default_clk = "clk25"
+
+ resources = [
+ Resource("clk25", 0, Pins("P6", dir="i"), Clock(25e6), Attrs(IO_TYPE="LVCMOS33")),
+
+ *LEDResources(pins="P11", invert = True,
+ attrs=Attrs(IO_TYPE="LVCMOS33", DRIVE="4")),
+
+ *ButtonResources(pins="M13", invert = True,
+ attrs=Attrs(IO_TYPE="LVCMOS33", PULLMODE="UP")),
+
+ UARTResource(0,
+ tx="P11", # led (J19 DATA_LED-)
+ rx="M13", # btn (J19 KEY+)
+ attrs=Attrs(IO_TYPE="LVCMOS33")
+ ),
+
+ # SPIFlash (W25Q32JV) 1x/2x/4x speed
+ Resource("spi_flash", 0,
+ Subsignal("cs", PinsN("N8", dir="o")),
+ # Subsignal("clk", Pins("", dir="i")), # driven through USRMCLK
+ Subsignal("cipo", Pins("T8", dir="i")), # Chip: DI/IO0
+ Subsignal("copi", Pins("T7", dir="o")), # DO/IO1
+ # Subsignal("wp", PinsN("unknown", dir="o")), # IO2 Todo
+ # Subsignal("hold", PinsN("unknown", dir="o")), # IO3 Todo
+ Attrs(IO_TYPE="LVCMOS33")
+ ),
+
+ # 2x ESMT M12L16161A-5T 1M x 16bit 200MHz SDRAMs (organized as 1M x 32bit)
+ # 2x WinBond W9816G6JH-6 1M x 16bit 166MHz SDRAMs (organized as 1M x 32bit) are lso reported
+ SDRAMResource(0,
+ clk="C6", we_n="C7", cas_n="E7", ras_n="D7",
+ ba="A7", a="A9 E10 B12 D13 C12 D11 D10 E9 D9 B7 C8",
+ dq="B13 C11 C10 A11 C9 E8 B6 B9 A6 B5 A5 B4 B3 C3 A2 B2 "
+ "E2 D3 A4 E4 D4 C4 E5 D5 E6 D6 D8 A8 B8 B10 B11 E11",
+ attrs=Attrs(PULLMODE="NONE", DRIVE="4", SLEWRATE="FAST", IO_TYPE="LVCMOS33")
+ ),
+
+ # Broadcom B50612D Gigabit Ethernet Transceiver
+ Resource("eth_rgmii", 0,
+ Subsignal("rst", PinsN("P5", dir="o")),
+ Subsignal("mdc", Pins("P3", dir="o")),
+ Subsignal("mdio", Pins("T2", dir="io")),
+ Subsignal("tx_clk", Pins("M2", dir="o")),
+ Subsignal("tx_ctl", Pins("M3", dir="o")),
+ Subsignal("tx_data", Pins("L1 L3 P2 L4", dir="o")),
+ Subsignal("rx_clk", Pins("M1", dir="i")),
+ Subsignal("rx_ctl", Pins("N6", dir="i")),
+ Subsignal("rx_data", Pins("N1 M5 N5 M6", dir="i")),
+ Attrs(IO_TYPE="LVCMOS33")
+ ),
+
+ # Broadcom B50612D Gigabit Ethernet Transceiver
+ Resource("eth_rgmii", 1,
+ Subsignal("rst", PinsN("P5", dir="o")),
+ Subsignal("mdc", Pins("P3", dir="o")),
+ Subsignal("mdio", Pins("T2", dir="io")),
+ Subsignal("tx_clk", Pins("M12", dir="o")),
+ Subsignal("tx_ctl", Pins("R15", dir="o")),
+ Subsignal("tx_data", Pins("T14 R12 R13 R14", dir="o")),
+ Subsignal("rx_clk", Pins("M16", dir="i")),
+ Subsignal("rx_ctl", Pins("L15", dir="i")),
+ Subsignal("rx_data", Pins("P13 N13 P14 M15", dir="i")),
+ Attrs(IO_TYPE="LVCMOS33")
+ ),
+
+ ]
+ connectors = [
+ Connector("j", 1, "F3 F1 G3 - G2 H3 H5 F15 L2 K1 J5 K2 B16 J14 F12 -"),
+ Connector("j", 2, "J4 K3 G1 - K4 C2 E3 F15 L2 K1 J5 K2 B16 J14 F12 -"),
+ Connector("j", 3, "H4 K5 P1 - R1 L5 F2 F15 L2 K1 J5 K2 B16 J14 F12 -"),
+ Connector("j", 4, "P4 R2 M8 - M9 T6 R6 F15 L2 K1 J5 K2 B16 J14 F12 -"),
+ Connector("j", 5, "M11 N11 P12 - K15 N12 L16 F15 L2 K1 J5 K2 B16 J14 F12 -"),
+ Connector("j", 6, "K16 J15 J16 - J12 H15 G16 F15 L2 K1 J5 K2 B16 J14 F12 -"),
+ Connector("j", 7, "H13 J13 H12 - G14 H14 G15 F15 L2 K1 J5 K2 B16 J14 F12 -"),
+ Connector("j", 8, "A15 F16 A14 - E13 B14 A13 F15 L2 K1 J5 K2 B16 J14 F12 -"),
+ Connector("j", 19, " - M13 - - P11"),
+ ]
+
+ @property
+ def required_tools(self):
+ return super().required_tools + [
+ "openFPGALoader"
+ ]
+
+ def toolchain_prepare(self, fragment, name, **kwargs):
+ overrides = dict(ecppack_opts="--compress")
+ overrides.update(kwargs)
+ return super().toolchain_prepare(fragment, name, **overrides)
+
+ def toolchain_program(self, products, name):
+ tool = os.environ.get("OPENFPGALOADER", "openFPGALoader")
+ with products.extract("{}.bit".format(name)) as bitstream_filename:
+ subprocess.check_call([tool, "-c", "ft232", "-m", bitstream_filename])
+
+
+if __name__ == "__main__":
+ from .test.blinky import *
+ Colorlight_5A75B_R70Platform().build(Blinky(), do_program=True)