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dp: rx: Add DP159 dependencies to initialization.

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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>
This commit is contained in:
Andrei-Liviu Simion 2015-08-04 01:38:10 -07:00 • committed by Nava kishore Manne
parent 513926d80a
commit 29952963ce
1 changed files with 11 additions and 3 deletions
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14
XilinxProcessorIPLib/drivers/dp/src/xdp.c
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@ -1854,6 +1854,10 @@ static u32 XDp_RxInitialize(XDp *InstancePtr)
XDp_WriteReg(InstancePtr->Config.BaseAddr, XDP_RX_PHY_CONFIG,
XDP_RX_PHY_CONFIG_GTRX_RESET_MASK);
/* Set the CDR tDLOCK timeout value. */
XDp_WriteReg(InstancePtr->Config.BaseAddr, XDP_RX_CDR_CONTROL_CONFIG,
XDP_RX_CDR_CONTROL_CONFIG_TDLOCK_DP159);
/* Remove the reset from the PHY and configure to issue reset after
* every training iteration, link rate change, and start of training
* pattern. */
@ -1883,13 +1887,17 @@ static u32 XDp_RxInitialize(XDp *InstancePtr)
XDP_RX_SINK_COUNT, 0x1);
}
/* Set other user parameters. */
/* Set other link training parameters parameters. */
XDp_WriteReg(InstancePtr->Config.BaseAddr, XDP_RX_MIN_VOLTAGE_SWING,
0x01);
1 | (XDP_RX_MIN_VOLTAGE_SWING_CR_OPT_VS_INC_4CNT <<
XDP_RX_MIN_VOLTAGE_SWING_CR_OPT_SHIFT) |
(4 << XDP_RX_MIN_VOLTAGE_SWING_VS_SWEEP_CNT_SHIFT) |
(XDP_RX_MIN_VOLTAGE_SWING_CE_OPT_VS_NA <<
XDP_RX_MIN_VOLTAGE_SWING_CE_OPT_SHIFT));
/* Set the AUX training interval. */
XDp_WriteReg(InstancePtr->Config.BaseAddr, XDP_RX_OVER_CTRL_DPCD, 0x1);
XDp_WriteReg(InstancePtr->Config.BaseAddr, XDP_RX_OVER_TP_SET,
(XDP_DPCD_TRAIN_AUX_RD_INT_4MS <<
(XDP_DPCD_TRAIN_AUX_RD_INT_8MS <<
XDP_RX_OVER_TP_SET_TRAINING_AUX_RD_INTERVAL_SHIFT));
XDp_WriteReg(InstancePtr->Config.BaseAddr, XDP_RX_OVER_CTRL_DPCD, 0x0);
/* Set the link configuration.*/