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build/efinix/common.py: ClkInput: added ClockSignal support

This commit is contained in:
Gwenhael Goavec-Merou 2024-09-18 15:25:20 +02:00
parent 9bacbe130b
commit aca959b059
1 changed files with 17 additions and 2 deletions
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19
litex/build/efinix/common.py
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@ -66,19 +66,34 @@ class EfinixAsyncResetSynchronizer:
# Efinix Clk Input --------------------------------------------------------------------------------- # Efinix Clk Input ---------------------------------------------------------------------------------
class EfinixClkInputImpl(Module): class EfinixClkInputImpl(Module):
n = 0
def __init__(self, platform, i, o): def __init__(self, platform, i, o):
o_clk = platform.add_iface_io(o) # FIXME. self.name = f"clk_input{self.n}"
if isinstance(o, Signal):
clk_out_name = f"{o.name_override}{self.name}_clk"
platform.add_extension([(clk_out_name, 0, Pins(1))])
platform.toolchain.excluded_ios.append(clk_out_name)
clk_out = platform.request(clk_out_name)
platform.clks[o.name_override] = clk_out_name
else:
clk_out = platform.add_iface_io(o) # FIXME.
clk_out_name = platform.get_pin_name(clk_out)
block = { block = {
"type" : "GPIO", "type" : "GPIO",
"size" : 1, "size" : 1,
"location" : platform.get_pin_location(i)[0], "location" : platform.get_pin_location(i)[0],
"properties" : platform.get_pin_properties(i), "properties" : platform.get_pin_properties(i),
"name" : platform.get_pin_name(o_clk), "name" : clk_out_name,
"mode" : "INPUT_CLK", "mode" : "INPUT_CLK",
} }
platform.toolchain.ifacewriter.blocks.append(block) platform.toolchain.ifacewriter.blocks.append(block)
platform.toolchain.excluded_ios.append(i) platform.toolchain.excluded_ios.append(i)
if isinstance(o, Signal):
self.comb += o.eq(clk_out)
o = clk_out
EfinixClkInputImpl.n += 1 # FIXME: Improve.
class EfinixClkInput(Module): class EfinixClkInput(Module):
@staticmethod @staticmethod