ls1028a pcie gen1 pre emphasis and swing control

[Alik_Y1]

Hello

We are using ls1028a  dev board and we need to control

pcie gen 1 pre emphasis and swing control.

Where can we find the suitable registers and how to set them

Thank You

BR

Alik

[yipingwang]

Please refer to "25.4.1 PEX register descriptions" in LS1028ARM.pdf

Link_control_2 register,0xA0

Link Control3 register,0x14c : To initiate equalization

Lane equalization control register , 0x154 :

Gen3 control register,0x890 : To disable the equalization

PCIe Equalization Preset <0:10> register

Speed Switch Control – <0:1> register and other serdes registers