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fix IBUFDS_GTE2 parameters

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This commit is contained in:
Sebastien Bourdeauducq 2023-05-30 11:49:13 +08:00
parent 1315654f0a
commit d6704d30e9
3 changed files with 15 additions and 7 deletions
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7
artiq/gateware/drtio/transceiver/gtx_7series.py
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@ -296,10 +296,9 @@ class GTX(Module, TransceiverInterface):
i_I=clock_pads.p, i_I=clock_pads.p,
i_IB=clock_pads.n, i_IB=clock_pads.n,
o_O=refclk, o_O=refclk,
p_CLKCM_CFG="0b1", p_CLKCM_CFG="TRUE",
p_CLKRCV_TRST="0b1", p_CLKRCV_TRST="TRUE",
p_CLKSWING_CFG="0b11" p_CLKSWING_CFG=3)
)
rtio_tx_clk = Signal() rtio_tx_clk = Signal()
channel_interfaces = [] channel_interfaces = []

10
artiq/gateware/targets/kasli.py
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@ -418,7 +418,10 @@ class MasterBase(MiniSoC, AMPSoC):
self.specials += Instance("IBUFDS_GTE2", self.specials += Instance("IBUFDS_GTE2",
i_CEB=self.disable_cdr_clk_ibuf, i_CEB=self.disable_cdr_clk_ibuf,
i_I=cdr_clk_clean.p, i_IB=cdr_clk_clean.n, i_I=cdr_clk_clean.p, i_IB=cdr_clk_clean.n,
o_O=cdr_clk_clean_buf) o_O=cdr_clk_clean_buf,
p_CLKCM_CFG="TRUE",
p_CLKRCV_TRST="TRUE",
p_CLKSWING_CFG=3)
# Note precisely the rules Xilinx made up: # Note precisely the rules Xilinx made up:
# refclksel=0b001 GTREFCLK0 selected # refclksel=0b001 GTREFCLK0 selected
# refclksel=0b010 GTREFCLK1 selected # refclksel=0b010 GTREFCLK1 selected
@ -476,7 +479,10 @@ class SatelliteBase(BaseSoC):
self.specials += Instance("IBUFDS_GTE2", self.specials += Instance("IBUFDS_GTE2",
i_CEB=disable_cdr_clk_ibuf, i_CEB=disable_cdr_clk_ibuf,
i_I=cdr_clk_clean.p, i_IB=cdr_clk_clean.n, i_I=cdr_clk_clean.p, i_IB=cdr_clk_clean.n,
o_O=cdr_clk_clean_buf) o_O=cdr_clk_clean_buf,
p_CLKCM_CFG="TRUE",
p_CLKRCV_TRST="TRUE",
p_CLKSWING_CFG=3)
qpll_drtio_settings = QPLLSettings( qpll_drtio_settings = QPLLSettings(
refclksel=0b001, refclksel=0b001,
fbdiv=4, fbdiv=4,

5
artiq/gateware/targets/sayma_rtm.py
View File

@ -50,7 +50,10 @@ class _SatelliteBase(BaseSoC):
self.specials += Instance("IBUFDS_GTE2", self.specials += Instance("IBUFDS_GTE2",
i_CEB=disable_cdrclkc_ibuf, i_CEB=disable_cdrclkc_ibuf,
i_I=cdrclkc_clkout.p, i_IB=cdrclkc_clkout.n, i_I=cdrclkc_clkout.p, i_IB=cdrclkc_clkout.n,
o_O=cdrclkc_clkout_buf) o_O=cdrclkc_clkout_buf,
p_CLKCM_CFG="TRUE",
p_CLKRCV_TRST="TRUE",
p_CLKSWING_CFG=3)
qpll_drtio_settings = QPLLSettings( qpll_drtio_settings = QPLLSettings(
refclksel=0b001, refclksel=0b001,
fbdiv=4, fbdiv=4,