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from nmigen.build import *
__all__ = ["SPIFlashResources"]
def SPIFlashResources(number, *, cs, clk, mosi, miso, wp=None, hold=None, attrs=None):
resources = []
io_all = []
if attrs is not None:
io_all.append(attrs)
io_all.append(Subsignal("cs", PinsN(cs, dir="o")))
io_all.append(Subsignal("clk", Pins(clk, dir="o")))
io_1x = list(io_all)
io_1x.append(Subsignal("mosi", Pins(mosi, dir="o")))
io_1x.append(Subsignal("miso", Pins(miso, dir="i")))
if wp is not None and hold is not None:
io_1x.append(Subsignal("wp", PinsN(wp, dir="o")))
io_1x.append(Subsignal("hold", PinsN(hold, dir="o")))
resources.append(Resource("spi_flash", number, *io_1x))
io_2x = list(io_all)
io_2x.append(Subsignal("dq", Pins(" ".join([mosi, miso]), dir="io")))
resources.append(Resource("spi_flash_2x", number, *io_2x))
if wp is not None and hold is not None:
io_4x = list(io_all)
io_4x.append(Subsignal("dq", Pins(" ".join([mosi, miso, wp, hold]), dir="io")))
resources.append(Resource("spi_flash_4x", number, *io_4x))
return resources
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