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SC589-MINI, u-boot stuck on "Net: ..."

I am stuck here when booting. I tried a few times, and some times the network driver initialized successfully although I could not connect to tftp server nor ping server ip address.

U-Boot 2020.10 (Sep 29 2022 - 07:08:35 +0000)

CPU:   ADSP ADSP-SC589-0.1 (Detected Rev: 1.1) (spi flash boot)
VCO: 450 MHz, Cclk0: 450 MHz, Sclk0: 112.500 MHz, Sclk1: 112.500 MHz, DCLK: 450z
OCLK: 150 MHz
Model: ADI sc589-mini
I2C:   ready
DRAM:  224 MiB
Loading Environment from SPIFlash...
SF: Detected is25lp512 with page size 256 Bytes, erase size 64 KiB, total 64 MiB
*** Warning - bad CRC, using default environment
In:    serial@0x31003000                                                        
Out:   serial@0x31003000                                                        
Err:   serial@0x31003000                                                        
other init