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core/_Storage: Simplify using connect and create specific endpoint for read_source.

This commit is contained in:
Florent Kermarrec 2022-03-14 11:45:16 +01:00
parent 3fb1018737
commit 1d85cbcb6d
1 changed files with 6 additions and 8 deletions
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14
litescope/core.py
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@ -223,17 +223,15 @@ class _Storage(Module, AutoCSR):
)
# Memory read
read_source = stream.Endpoint([("data", data_width)])
if data_width > read_width:
pad_bits = - data_width % read_width
self.submodules.w_conv = w_conv = stream.Converter(data_width + pad_bits, read_width)
self.comb += [
self.w_conv.sink.data.eq(cdc.source.data),
self.w_conv.sink.valid.eq(cdc.source.valid),
cdc.source.ready.eq(self.w_conv.sink.ready),
]
read_source = w_conv.source
w_conv = stream.Converter(data_width + pad_bits, read_width)
self.submodules += w_conv
self.comb += cdc.source.connect(w_conv.sink)
self.comb += w_conv.source.connect(read_source)
else:
read_source = cdc.source
self.comb += cdc.source.connect(read_source)
self.comb += [
read_source.ready.eq(self.mem_data.we | ~self.enable.storage),