65 lines
2.1 KiB
Python
65 lines
2.1 KiB
Python
|
import subprocess
|
||
|
|
|
||
|
|
from amaranth.build import *
|
||
|
|
from amaranth.vendor.lattice_ice40 import *
|
||
|
|
from .resources import *
|
||
|
|
|
||
|
|
|
||
|
|
__all__ = ["ICESugarPlatform"]
|
||
|
|
|
||
|
|
|
||
|
|
class ICESugarPlatform(LatticeICE40Platform):
|
||
|
|
device = "iCE40UP5K"
|
||
|
|
package = "SG48"
|
||
|
|
default_clk = "clk12"
|
||
|
|
|
||
|
|
resources = [
|
||
|
|
Resource("clk12", 0, Pins("35", dir="i"),
|
||
|
|
Clock(12e6), Attrs(GLOBAL=True, IO_STANDARD="LVCMOS33")),
|
||
|
|
|
||
|
|
*LEDResources(pins="40 41 39", invert=True, attrs=Attrs(IO_STANDARD="LVCMOS33")),
|
||
|
|
|
||
|
|
# Semantic aliases
|
||
|
|
Resource("led_r", 0, PinsN("40", dir="o"), Attrs(IO_STANDARD="LVCMOS33")),
|
||
|
|
Resource("led_g", 0, PinsN("41", dir="o"), Attrs(IO_STANDARD="LVCMOS33")),
|
||
|
|
Resource("led_b", 0, PinsN("39", dir="o"), Attrs(IO_STANDARD="LVCMOS33")),
|
||
|
|
|
||
|
|
*SwitchResources(
|
||
|
|
pins="18 19 20 21",
|
||
|
|
attrs=Attrs(IO_STANDARD="LVCMOS33")
|
||
|
|
),
|
||
|
|
|
||
|
|
UARTResource(0,
|
||
|
|
rx="4", tx="6",
|
||
|
|
attrs=Attrs(IO_STANDARD="LVTTL33", PULLUP=1)
|
||
|
|
),
|
||
|
|
|
||
|
|
*SPIFlashResources(0,
|
||
|
|
cs_n="16", clk="15", copi="14", cipo="17", wp_n="12", hold_n="13",
|
||
|
|
attrs=Attrs(IO_STANDARD="LVCMOS33")
|
||
|
|
),
|
||
|
|
|
||
|
|
Resource("usb", 0,
|
||
|
|
Subsignal("d_p", Pins("10", dir="io")),
|
||
|
|
Subsignal("d_n", Pins("9", dir="io")),
|
||
|
|
Subsignal("pullup", Pins("11", dir="o")),
|
||
|
|
Attrs(IO_STANDARD="LVCMOS33")
|
||
|
|
),
|
||
|
|
]
|
||
|
|
|
||
|
|
connectors = [
|
||
|
|
Connector("pmod", 0, "10 6 3 48 - - 9 4 2 47 - -"), # PMOD1 - IO pins shared by USB
|
||
|
|
Connector("pmod", 1, "46 44 42 37 - - 45 43 38 36 - -"), # PMOD2
|
||
|
|
Connector("pmod", 2, "34 31 27 25 - - 32 28 26 23 - -"), # PMOD3
|
||
|
|
Connector("pmod", 3, "21 20 19 18 - - - - - - - -"), # PMOD4 - IO pins used for switches via jumpers
|
||
|
|
]
|
||
|
|
|
||
|
|
def toolchain_program(self, products, name):
|
||
|
|
with products.extract("{}.bin".format(name)) as bitstream_filename:
|
||
|
|
subprocess.check_call(["icesprog", bitstream_filename])
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
from .test.blinky import *
|
||
|
|
ICESugarPlatform().build(Blinky(), do_program=True)
|