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Linux/AM3354: U-boot hang

Part Number: AM3354

Tool/software: Linux

Hello,

On our custom board, u-boot always hangs as below.

I am using ti-processor-sdk-linux-am335x-evm-05.01.00.11.

Any help is appreciated.

U-Boot SPL 2018.01-00445-gc852b6f-dirty (Dec 25 2018 - 17:15:08)
Trying to boot from UART                                                             
CCCCCCCCdem - Cksum mode, 5030(SOH)/0(STX)/0(CAN) packets, 13 retries
Loaded 643564 bytes


U-Boot 2018.01-00445-gc852b6f-dirty (Dec 25 2018 - 17:15:08 +0300)

U-Boot code: 80800000 -> 80862E50  BSS: -> 808B38A8
CPU  : AM335X-GP rev 2.1
Model: TI AM335x EVM
DRAM:  Monitor len: 000B38A8
Ram size: 10000000
Ram top: 90000000
TLB table from 8fff0000 to 8fff4000
Reserving 718k for U-Boot at: 8ff3c000
Reserving 256k for malloc() at: 8fefc000
Reserving 80 Bytes for Board Info at: 8fefbfb0
Reserving 216 Bytes for Global Data at: 8fefbed8
Reserving 44416 Bytes for FDT at: 8fef1158

RAM Configuration:
Bank #0: 80000000 256 MiB

DRAM:  256 MiB
New Stack Pointer is: 8fef1130
memoRelocation Offset is: 0f73c000
Relocating to 8ff3c000, new gd at 8fefbed8, sp at 8fef1130
Pre-reloc malloc() used 0x184 bytes (0 KB)