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Not getting "CCCC" after transferring u-boot-spl.bin

Other Parts Discussed in Thread: AM3352, AM3358

I am trying to write to NAND flash via UART0 by following the below url:

processors.wiki.ti.com/.../AM335x_U-Boot_User's_Guide

Using tera term I transfered u-boot-spl.bin file to the board. As in our board there is no EEPROM
I bypassed the EEPROM Check by commenting the eeprom check in "u-boot-2014.xx.xx.xxxxx/board/ti/am335x/ board.c" file. 

I commented all if(read_eeprom() < 0) in side board.c file and then compiled the u-boot source.
We are using AM3352 Processor having a 8-bit NAND.

How ever when I am trying to send the code via UART using Tera Term  it's showing 100% transfer and then in console I am getting the below error
"Unknown board, cannot configure pinmux.### ERROR ### Please RESET the board ###"
There after it stops and does not show any "C" charecter.

How ever when ever I am trying to load the u-boot-spl.bin in AM3358 Eval kit, it is working fine. I am able to load it and able to get the "CCCC" Character.


I believe we need to modify the mux configuration, I understand from some other URL. And we think that would be in
"u-boot-2014.xx.xx.xxxxx/board/ti/am335x/ mux.c".

But I am confused regarding that. Can any one please help me out and guide what I have to do?

Regards

Sudipta.