phy/ecp5ddrphy: cosmetic cleanups.

This commit is contained in:
Florent Kermarrec 2020-06-30 09:18:48 +02:00
parent 8c339b9945
commit a8fa38e286
1 changed files with 22 additions and 26 deletions

View File

@ -40,8 +40,8 @@ class ECP5DDRPHYInit(Module):
_lock = Signal()
delay = Signal()
self.specials += Instance("DDRDLLA",
i_CLK = ClockSignal("sys2x"),
i_RST = ResetSignal("init"),
i_CLK = ClockSignal("sys2x"),
i_UDDCNTLN = ~update,
i_FREEZE = freeze,
o_DDRDEL = delay,
@ -151,8 +151,8 @@ class ECP5DDRPHY(Module, AutoCSR):
sd_clk_se = Signal()
self.specials += Instance("ODDRX2F",
i_RST = ResetSignal("sys"),
i_SCLK = ClockSignal("sys"),
i_ECLK = ClockSignal("sys2x"),
i_SCLK = ClockSignal(),
i_D0 = 0,
i_D1 = 1,
i_D2 = 0,
@ -164,8 +164,8 @@ class ECP5DDRPHY(Module, AutoCSR):
for i in range(addressbits):
self.specials += Instance("ODDRX2F",
i_RST = ResetSignal("sys"),
i_SCLK = ClockSignal("sys"),
i_ECLK = ClockSignal("sys2x"),
i_SCLK = ClockSignal(),
i_D0 = dfi.phases[0].address[i],
i_D1 = dfi.phases[0].address[i],
i_D2 = dfi.phases[1].address[i],
@ -175,8 +175,8 @@ class ECP5DDRPHY(Module, AutoCSR):
for i in range(bankbits):
self.specials += Instance("ODDRX2F",
i_RST = ResetSignal("sys"),
i_SCLK = ClockSignal("sys"),
i_ECLK = ClockSignal("sys2x"),
i_SCLK = ClockSignal(),
i_D0 = dfi.phases[0].bank[i],
i_D1 = dfi.phases[0].bank[i],
i_D2 = dfi.phases[1].bank[i],
@ -192,8 +192,8 @@ class ECP5DDRPHY(Module, AutoCSR):
for i in range(len(getattr(pads, name))):
self.specials += Instance("ODDRX2F",
i_RST = ResetSignal("sys"),
i_SCLK = ClockSignal("sys"),
i_ECLK = ClockSignal("sys2x"),
i_SCLK = ClockSignal(),
i_D0 = getattr(dfi.phases[0], name)[i],
i_D1 = getattr(dfi.phases[0], name)[i],
i_D2 = getattr(dfi.phases[1], name)[i],
@ -216,25 +216,20 @@ class ECP5DDRPHY(Module, AutoCSR):
rdpntr = Signal(3)
wrpntr = Signal(3)
rdly = Signal(7)
self.sync += \
If(self._dly_sel.storage[i],
If(self._rdly_dq_rst.re,
rdly.eq(0),
).Elif(self._rdly_dq_inc.re,
rdly.eq(rdly + 1),
)
)
datavalid = Signal()
burstdet = Signal()
self.sync += [
If(self._dly_sel.storage[i] & self._rdly_dq_rst.re, rdly.eq(0)),
If(self._dly_sel.storage[i] & self._rdly_dq_inc.re, rdly.eq(rdly + 1))
]
self.specials += Instance("DQSBUFM",
p_DQS_LI_DEL_ADJ = "MINUS",
p_DQS_LI_DEL_VAL = 1,
p_DQS_LO_DEL_ADJ = "MINUS",
p_DQS_LO_DEL_VAL = 4,
# Clocks / Reset
i_RST = ResetSignal("sys"),
i_SCLK = ClockSignal("sys"),
i_ECLK = ClockSignal("sys2x"),
i_RST = ResetSignal("sys"),
i_DDRDEL = self.init.delay,
i_PAUSE = self.init.pause | self._dly_sel.storage[i],
@ -297,8 +292,8 @@ class ECP5DDRPHY(Module, AutoCSR):
self.sync += Case(bl8_chunk, dm_bl8_cases)
self.specials += Instance("ODDRX2DQA",
i_RST = ResetSignal("sys"),
i_SCLK = ClockSignal("sys"),
i_ECLK = ClockSignal("sys2x"),
i_SCLK = ClockSignal(),
i_DQSW270 = dqsw270,
i_D0 = dm_o_data_muxed[0],
i_D1 = dm_o_data_muxed[1],
@ -312,8 +307,8 @@ class ECP5DDRPHY(Module, AutoCSR):
self.specials += [
Instance("ODDRX2DQSB",
i_RST = ResetSignal("sys"),
i_SCLK = ClockSignal("sys"),
i_ECLK = ClockSignal("sys2x"),
i_SCLK = ClockSignal(),
i_DQSW = dqsw,
i_D0 = 0,
i_D1 = 1,
@ -323,8 +318,8 @@ class ECP5DDRPHY(Module, AutoCSR):
),
Instance("TSHX2DQSA",
i_RST = ResetSignal("sys"),
i_SCLK = ClockSignal("sys"),
i_ECLK = ClockSignal("sys2x"),
i_SCLK = ClockSignal(),
i_DQSW = dqsw,
i_T0 = ~(dqs_oe | dqs_postamble),
i_T1 = ~(dqs_oe | dqs_preamble),
@ -361,8 +356,8 @@ class ECP5DDRPHY(Module, AutoCSR):
self.specials += [
Instance("ODDRX2DQA",
i_RST = ResetSignal("sys"),
i_SCLK = ClockSignal("sys"),
i_ECLK = ClockSignal("sys2x"),
i_SCLK = ClockSignal(),
i_DQSW270 = dqsw270,
i_D0 = dq_o_data_muxed[0],
i_D1 = dq_o_data_muxed[1],
@ -380,8 +375,8 @@ class ECP5DDRPHY(Module, AutoCSR):
),
Instance("IDDRX2DQA",
i_RST = ResetSignal("sys"),
i_SCLK = ClockSignal("sys"),
i_ECLK = ClockSignal("sys2x"),
i_SCLK = ClockSignal(),
i_DQSR90 = dqsr90,
i_RDPNTR0 = rdpntr[0],
i_RDPNTR1 = rdpntr[1],
@ -396,6 +391,7 @@ class ECP5DDRPHY(Module, AutoCSR):
o_Q3 = dq_i_data[3],
)
]
dq_i_bitslip = BitSlip(4,
rst = self._dly_sel.storage[i] & self._rdly_dq_bitslip_rst.re,
slp = self._dly_sel.storage[i] & self._rdly_dq_bitslip.re,
@ -417,8 +413,8 @@ class ECP5DDRPHY(Module, AutoCSR):
self.specials += [
Instance("TSHX2DQA",
i_RST = ResetSignal("sys"),
i_SCLK = ClockSignal("sys"),
i_ECLK = ClockSignal("sys2x"),
i_SCLK = ClockSignal(),
i_DQSW270 = dqsw270,
i_T0 = ~dq_oe,
i_T1 = ~dq_oe,