Hi team,
One of our customer's issues, I'm forwarding it below, could you please provide some troubleshooting suggestions
In terms of hardware, the RGMII interface of ZYNQ is used to connect with DP83822IFRHBR. In board debugging, ZYNQ can communicate with DP83822, and the register status can also be read:
IEEE reg[0] = 3100
IEEE reg[0] = 3100
IEEE reg[1] = 7849
IEEE reg[2] = 2000
IEEE reg[3] = A240
IEEE reg[4] = DE1
IEEE reg[5] = 0
IEEE reg[6] = 4
IEEE reg[7] = 2001
IEEE reg[8] = 0
IEEE reg[9] = 0
IEEE reg[10] = 100
reg[F] = 0
reg[10] = 2
reg[11] = 108
reg[12] = 0
reg[13] = 800
reg[14] = 0
reg[15] = 0
reg[16] = 100
reg[17] = 12C1
reg[18] = 400
reg[19] = A01F
reg[1A] = 0
reg[1B] = 7D
reg[1C] = 5EE
reg[1D] = 0
reg[1E] = 102
reg[1F] = 0
The problem is that RJ45 cannot establish a link with PHY.
Best Regards,
Amy Luo
