This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

Linux/66AK2H12: Serdes Error in Kernel boot

Part Number: 66AK2H12

Tool/software: Linux

hi all.

i have 2 board. a K2H board and a custom board similar to K2H with different DDR3RAM (some peripherals like eth1 are omitted ).

i use a same kernel (MCSDK 3.01.04.07) for both but customize uboot (a little!) for one of them (Use different ddr3 RAM).

but one of them (customized!) had error for initializing serdes module.

the error in loading kernel is:

[ 65.130477] kserdes_wait_lane_rx_valid FAILED -110
[ 65.135281] keystone-netcp 2090000.netcp: cpsw serdes 0 lanes enable failed: -110

correct form of this error in second board is:

[  909.605667] keystone-netcp 2090000.netcp: cpsw serdes 0 config done lanes(mask) 0x3

in uboot i have ping in both boards. but in linux i dont have ping in first board and even any reaction on ethernet port (when connected to PC and use wireshark software).

i dont know whats happened. why I received this error and ethernet doesnt work? is this related to Hardware bug? or Driver?