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Merge pull request #76 from daveshah1/trellis_io 

ecp5ddrphy: Use triples for inputs to fix build with TRELLIS_IOs
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enjoy-digital 2019-02-25 19:26:45 +01:00 committed by GitHub
parent 9057f510d2 691d9308b2
commit 6715c1bd45
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1 changed files with 5 additions and 4 deletions
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9
litedram/phy/ecp5ddrphy.py
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@ -275,6 +275,7 @@ class ECP5DDRPHY(Module, AutoCSR):
dqs_read = Signal()
for i in range(databits//8):
# DQSBUFM
dqs_i = Signal()
dqsr90 = Signal()
dqsw270 = Signal()
dqsw = Signal()
@ -318,7 +319,7 @@ class ECP5DDRPHY(Module, AutoCSR):
i_READCLKSEL0=rdly[0],
i_READCLKSEL1=rdly[1],
i_READCLKSEL2=rdly[2],
i_DQSI=pads.dqs_p[i],
i_DQSI=dqs_i,
o_DQSR90=dqsr90,
o_RDPNTR0=rdpntr[0],
o_RDPNTR1=rdpntr[1],
@ -389,7 +390,7 @@ class ECP5DDRPHY(Module, AutoCSR):
i_RST=ResetSignal("sys2x"),
o_Q=dqs_oe_n,
)
self.specials += Tristate(pads.dqs_p[i], dqs, ~dqs_oe_n)
self.specials += Tristate(pads.dqs_p[i], dqs, ~dqs_oe_n, dqs_i)
for j in range(8*i, 8*(i+1)):
dq_o = Signal()
@ -427,7 +428,7 @@ class ECP5DDRPHY(Module, AutoCSR):
)
self.specials += \
Instance("DELAYF",
i_A=pads.dq[j],
i_A=dq_i,
i_LOADN=1,
i_MOVE=0,
i_DIRECTION=0,
@ -481,7 +482,7 @@ class ECP5DDRPHY(Module, AutoCSR):
i_RST=ResetSignal("sys2x"),
o_Q=dq_oe_n,
)
self.specials += Tristate(pads.dq[j], dq_o, ~dq_oe_n)
self.specials += Tristate(pads.dq[j], dq_o, ~dq_oe_n, dq_i)
# Flow control -----------------------------------------------------------------------------
#