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-rw-r--r--nmigen_boards/chameleon96.py105
1 files changed, 105 insertions, 0 deletions
diff --git a/nmigen_boards/chameleon96.py b/nmigen_boards/chameleon96.py
new file mode 100644
index 0000000..3d81add
--- /dev/null
+++ b/nmigen_boards/chameleon96.py
@@ -0,0 +1,105 @@
+import os
+import subprocess
+
+from nmigen import *
+from nmigen.build import *
+from nmigen.vendor.intel import *
+from .resources import *
+
+
+__all__ = ["Chameleon96Platform"]
+
+
+class Chameleon96Platform(IntelPlatform):
+ device = "5CSEBA6" # Cyclone V SE 110K LEs
+ package = "U19" # UBGA-484
+ speed = "I7"
+ default_clk = "cyclonev_oscillator"
+ resources = [
+ # WIFI and BT LEDs
+ *LEDResources(
+ pins="Y19 Y20",
+ attrs=Attrs(io_standard="2.5 V")),
+
+ # TDA19988 HDMI transmitter
+ Resource("tda19988", 0,
+ Subsignal("vpa", Pins(" W8 W7 V6 V5 U6 ", dir="o")), # bits 3 to 7
+ Subsignal("vpb", Pins("AB5 AA5 AA8 AB8 AB9 Y11", dir="o")), # bits 2 to 7
+ Subsignal("vpc", Pins(" W6 Y5 AB7 AA7 AA6", dir="o")), # bits 3 to 7
+ Subsignal("pclk", Pins("AB10", dir="o")),
+ Subsignal("hsync", Pins("V10 ", dir="o")),
+ Subsignal("vsync", Pins("V7 ", dir="o")),
+ Subsignal("de", Pins("Y8 ", dir="o")),
+ Attrs(io_standard="1.8 V")
+ ),
+
+ I2CResource("tda19988_i2c", 0,
+ scl="U7", sda="U10",
+ attrs=Attrs(io_standard="1.8 V"),
+ ),
+
+ Resource("tda19988_i2s", 0,
+ Subsignal("mclk", Pins("V11 ", dir="o")), # OSC_IN/AP3
+ Subsignal("txd", Pins("AA11", dir="o")), # AP1
+ Subsignal("txc", Pins("W11 ", dir="o")), # ACLK
+ Subsignal("txfs", Pins("V9 ", dir="o")), # AP0
+ Attrs(io_standard="1.8 V")
+ ),
+
+ # Wifi and BT module
+ *SDCardResources("wifi", 0,
+ clk="AB20", cmd="AB18", dat0="Y14", dat1="AB19", dat2="AA18", dat3="AB15",
+ attrs=Attrs(io_standard="1.8 V"),
+ ),
+
+ Resource("bt", 0,
+ Subsignal("host_wake", Pins("AB12", dir="o")),
+ Attrs(io_standard="1.8 V"),
+ ),
+
+ Resource("bt_i2s", 0,
+ Subsignal("txd", Pins("Y15 ", dir="o")), # BT_PCM_IN
+ Subsignal("rxd", Pins("Y16 ", dir="i")), # BT_PCM_OUT
+ Subsignal("txc", Pins("AA13", dir="i")), # BT_PCM_CLK
+ Subsignal("txfs", Pins("AB13", dir="i")), # BT_PCM_SYNC
+ Attrs(io_standard="1.8 V"),
+ ),
+
+ UARTResource("bt_uart", 0,
+ rx="AB14", cts="AB17", tx="AA15", rts="AA16", role="dte",
+ attrs=Attrs(io_standard="1.8 V"),
+ ),
+ ]
+
+ connectors = [
+ # J3, 2x20 expansion port
+ Connector("J", 3,
+ "- - Y13 - W14 - C5 - C6 -"
+ "- - - - - E5 - F5 - A6"
+ "- A5 - - - - - - - -"
+ "- - - - - - - - - -"
+ ),
+
+ # J8, 2x30 high speed expansion port (MIPI CSI)
+ Connector("J", 8,
+ "- V16 - U17 - - - V17 - W18"
+ "- - - U18 W12 V19 - - - -"
+ "- - - - - - - - - -"
+ "- - - - - - - - - -"
+ "- - - - - - - - - -"
+ "- - - - - - - - - -"
+ ),
+ ]
+
+ def toolchain_program(self, products, name):
+ quartus_pgm = os.environ.get("QUARTUS_PGM", "quartus_pgm")
+ with products.extract("{}.sof".format(name)) as bitstream_filename:
+ # The @2 selects the second device in the JTAG chain, because this chip
+ # puts the ARM cores first.
+ subprocess.check_call([quartus_pgm, "--haltcc", "--mode", "JTAG",
+ "--operation", "P;" + bitstream_filename + "@2"])
+
+
+if __name__ == "__main__":
+ from .test.blinky import Blinky
+ Chameleon96Platform().build(Blinky(), do_program=True)