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frontend/crossbar: fix sign on adr_shift

This commit is contained in:
Florent Kermarrec 2016-06-20 21:40:32 +02:00
parent ad8ca86e13
commit 2ed7212701
1 changed files with 2 additions and 2 deletions
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4
litedram/frontend/crossbar.py
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@ -45,9 +45,9 @@ class LiteDRAMCrossbar(Module):
# data width convertion # data width convertion
if dw != self.dw: if dw != self.dw:
if dw > self.dw: if dw > self.dw:
adr_shift = log2_int(dw//self.dw) adr_shift = -log2_int(dw//self.dw)
else: else:
adr_shift = -log2_int(self.dw//dw) adr_shift = log2_int(self.dw//dw)
new_port = LiteDRAMPort(mode, port.aw + adr_shift, dw, cd=cd) new_port = LiteDRAMPort(mode, port.aw + adr_shift, dw, cd=cd)
self.submodules += ClockDomainsRenamer(cd)(LiteDRAMPortConverter(new_port, port)) self.submodules += ClockDomainsRenamer(cd)(LiteDRAMPortConverter(new_port, port))
port = new_port port = new_port