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integration/soc/bus_addressing_converter: Handle missing cases. 

- m2s: byte to word/word to byte.
- s2m: byte to word/word to byte.
This commit is contained in:
Florent Kermarrec 2023-11-09 11:41:41 +01:00
parent 1282708a08
commit f9dc8e8564
1 changed files with 8 additions and 2 deletions
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6
litex/soc/integration/soc.py
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@ -364,8 +364,14 @@ class SoCBusHandler(LiteXModule):
address_shift = log2_int(interface.data_width//8)
self.comb += adapted_interface.connect(interface, omit={"adr"})
if direction == "m2s":
if (interface.addressing == "word") and (self.addressing == "byte"):
self.comb += adapted_interface.adr[address_shift:].eq(interface.adr)
if (interface.addressing == "byte") and (self.addressing == "word"):
self.comb += adapted_interface.adr.eq(interface.adr[address_shift:])
if direction == "s2m":
if (interface.addressing == "word") and (self.addressing == "byte"):
self.comb += interface.adr[address_shift:].eq(adapted_interface.adr)
if (interface.addressing == "byte") and (self.addressing == "word"):
self.comb += interface.adr.eq(adapted_interface.adr[address_shift:])
return adapted_interface