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build/efinix/common: Cleanup EfinixTristateImpl.

This commit is contained in:
Florent Kermarrec 2021-10-25 14:40:47 +02:00
parent ce1660da4d
commit 8dc727b514
1 changed files with 13 additions and 12 deletions
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25
litex/build/efinix/common.py
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@ -43,25 +43,26 @@ class EfinixAsyncResetSynchronizer:
# Efinix Tristate ----------------------------------------------------------------------------------
class EfinixTristateImpl(Module):
def __init__(self, platform, io, o, oe, i):
def __init__(self, platform, io, o, oe, i=None):
nbits, sign = value_bits_sign(io)
assert nbits == 1
io_name = platform.get_pin_name(io)
print(io_name)
io_loc = platform.get_pin_location(io)
self.comb += [
platform.add_iface_io(io_name + "_OUT").eq(o),
platform.add_iface_io(io_name + "_OE").eq(oe),
i.eq(platform.add_iface_io(io_name + "_IN"))
]
io_o = platform.add_iface_io(io_name + "_OUT")
io_oe = platform.add_iface_io(io_name + "_OE")
io_i = platform.add_iface_io(io_name + "_IN")
self.comb += io_o.eq(o)
self.comb += io_oe.eq(oe)
if i is not None:
self.comb += i.eq(io_i)
block = {
"type" : "GPIO",
"mode" : "INOUT",
"name" : io_name,
"location": [io_loc[0]],
"type" : "GPIO",
"mode" : "INOUT",
"name" : io_name,
"location" : [io_loc[0]],
}
platform.toolchain.ifacewriter.blocks.append(block)
#platform.delete(io) # FIXME!
platform.delete(io)
class EfinixTristate(Module):
@staticmethod