dp: rx: Add DP159 dependencies to initialization.
Using the DP159 solution, 8 ms needs to be used as the AUX training interval. Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com> Reviewed-by: Hyun Kwon <hyun.kwon@xilinx.com>
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1 changed files with 11 additions and 3 deletions
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@ -1854,6 +1854,10 @@ static u32 XDp_RxInitialize(XDp *InstancePtr)
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XDp_WriteReg(InstancePtr->Config.BaseAddr, XDP_RX_PHY_CONFIG,
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XDP_RX_PHY_CONFIG_GTRX_RESET_MASK);
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/* Set the CDR tDLOCK timeout value. */
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XDp_WriteReg(InstancePtr->Config.BaseAddr, XDP_RX_CDR_CONTROL_CONFIG,
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XDP_RX_CDR_CONTROL_CONFIG_TDLOCK_DP159);
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/* Remove the reset from the PHY and configure to issue reset after
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* every training iteration, link rate change, and start of training
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* pattern. */
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@ -1883,13 +1887,17 @@ static u32 XDp_RxInitialize(XDp *InstancePtr)
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XDP_RX_SINK_COUNT, 0x1);
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}
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/* Set other user parameters. */
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/* Set other link training parameters parameters. */
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XDp_WriteReg(InstancePtr->Config.BaseAddr, XDP_RX_MIN_VOLTAGE_SWING,
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0x01);
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1 | (XDP_RX_MIN_VOLTAGE_SWING_CR_OPT_VS_INC_4CNT <<
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XDP_RX_MIN_VOLTAGE_SWING_CR_OPT_SHIFT) |
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(4 << XDP_RX_MIN_VOLTAGE_SWING_VS_SWEEP_CNT_SHIFT) |
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(XDP_RX_MIN_VOLTAGE_SWING_CE_OPT_VS_NA <<
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XDP_RX_MIN_VOLTAGE_SWING_CE_OPT_SHIFT));
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/* Set the AUX training interval. */
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XDp_WriteReg(InstancePtr->Config.BaseAddr, XDP_RX_OVER_CTRL_DPCD, 0x1);
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XDp_WriteReg(InstancePtr->Config.BaseAddr, XDP_RX_OVER_TP_SET,
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(XDP_DPCD_TRAIN_AUX_RD_INT_4MS <<
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(XDP_DPCD_TRAIN_AUX_RD_INT_8MS <<
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XDP_RX_OVER_TP_SET_TRAINING_AUX_RD_INTERVAL_SHIFT));
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XDp_WriteReg(InstancePtr->Config.BaseAddr, XDP_RX_OVER_CTRL_DPCD, 0x0);
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/* Set the link configuration.*/
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