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k7ddrphy: add bitslip control for incoming DQ

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Sebastien Bourdeauducq 2014-09-01 19:54:39 +08:00
parent 0eeb0ad9eb
commit 2234f50223
1 changed files with 3 additions and 2 deletions
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5
misoclib/sdramphy/k7ddrphy.py
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@ -18,6 +18,7 @@ class K7DDRPHY(Module, AutoCSR):
self._r_dly_sel = CSRStorage(d//8)
self._r_rdly_dq_rst = CSR()
self._r_rdly_dq_inc = CSR()
self._r_rdly_dq_bitslip = CSR()
self._r_wdly_dq_rst = CSR()
self._r_wdly_dq_inc = CSR()
self._r_wdly_dqs_rst = CSR()
@ -225,9 +226,9 @@ class K7DDRPHY(Module, AutoCSR):
i_DDLY=dq_i_delayed,
i_CE1=1,
i_RST=ResetSignal(),
i_RST=ResetSignal() | (self._r_dly_sel.storage[i//8] & self._r_wdly_dq_rst.re),
i_CLK=ClockSignal("sys4x"), i_CLKB=~ClockSignal("sys4x"), i_CLKDIV=ClockSignal(),
i_BITSLIP=0,
i_BITSLIP=self._r_dly_sel.storage[i//8] & self._r_rdly_dq_bitslip.re,
o_Q8=self.dfi.phases[0].rddata[i], o_Q7=self.dfi.phases[0].rddata[d+i],
o_Q6=self.dfi.phases[1].rddata[i], o_Q5=self.dfi.phases[1].rddata[d+i],
o_Q4=self.dfi.phases[2].rddata[i], o_Q3=self.dfi.phases[2].rddata[d+i],