Hi, This is Minkyu Cho.
I'm using DS125DF410SQ retimers on system.
The issue is port link down randomly on 10G link state. 1G has no problem.
CPU support 1G/10G Serdes.
Please check the below register settings and attached block diagram.
Could you let me know that need to change retimer register ?
Device (0x26) TX | Register | Value | Device (0x27) RX | Register | Value | |
0xff | 0xc | 0xff | 0xc | |||
0x00 | 0x4 | 0x00 | 0x4 | |||
0x0a | 0x1c | 0x0a | 0x1c | |||
0x2f | 0xf6 | 0x2f | 0xf6 | |||
0x31 | 0x20 | 0x31 | 0x00 | |||
0x3a | 0x00 | 0x03 | 0x00 | |||
0x1e | 0xe9 | 0x3a | 0x00 | |||
0x2d | 0x81 | 0x40 | 0x00 | |||
0x15 | 0x52 | 0x1e | 0xe9 | |||
0x0a | 0x10 | 0x2d | 0x89 | |||
0x2d | 0x8a | |||||
0x15 | 0x52 | |||||
0x0a | 0x10 |