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phy/s7ddrphy: make pads.dm optional (some boards have dm forced to ground).

This commit is contained in:
Florent Kermarrec 2020-11-12 19:15:49 +01:00
parent 431e563a39
commit 1117068595
1 changed files with 39 additions and 38 deletions
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litedram/phy/s7ddrphy.py
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@ -271,6 +271,7 @@ class S7DDRPHY(Module, AutoCSR):
) )
# DM --------------------------------------------------------------------------------------- # DM ---------------------------------------------------------------------------------------
if hasattr(pads, "dm"):
for i in range(databits//8): for i in range(databits//8):
dm_o_nodelay = Signal() dm_o_nodelay = Signal()
dm_o_bitslip = BitSlip(8, dm_o_bitslip = BitSlip(8,