hi3531开发板上电连击回车进不出u-boot，无法烧写怎么破？

码上见真晓 2016-11-29 11:07:15

由于hi3531开发板内核程序跑死所以需要重新烧写系统。
开发板启动一直死在这里。
FP: 0xcbae9e74:
9e74 10420153 00000057 00000000 cc229140 bf08bff0 00000000 bf08bf6c 000003ff
9e94 bf08bff0 cbae9ebc cbae9ef4 cbae9eb8 cbae9eb8 bf067698 bf080740 20000193
9eb4 ffffffff c007a008 10420053 00000057 10420153 c0046558 cc229140 cc00824c
9ed4 00000000 00000000 00000062 cc008200 c06f15e4 cbae9f04 cbae9ef8 bf0620dc
9ef4 bf080700 cbae9f3c cbae9f08 c0090188 bf0620c0 00000003 0004000e 00000000
9f14 cc008200 cc00824c 00000000 00000000 00000004 cbae8000 00000000 cbae9f5c
9f34 cbae9f40 c0090300 c009013c c0035110 cc008200 cc00824c 00000062 cbae9f74
9f54 cbae9f60 c0092b2c c00902c4 00000062 c0035b0c cbae9f8c cbae9f78 c0090114

R0: 0xcd0bdfc0:
dfc0 9d4311be 9543117e 12420576 9543117a

开发板启动连击回车键没有反应，无法擦除系统，重新烧写。
U-Boot 2010.06 (Oct 20 2015 - 14:37:46)

NAND: Special Nand id table Version 1.35
Nand ID: 0xEC 0xF1 0x00 0x95 0x41 0xEC 0xEC 0xF1
Nand(Hardware): Block:128KB Page:2KB Chip:128MB*1 OOB:64B ECC:1bit/512Byte
128 MiB
Check spi flash controller v300. found
Spi(cs1) ID: 0x20 0x20 0x18 0x00 0x00 0x00
Spi(cs1): Block:256KB Chip:16MB Name:"M25P128"
*** Warning - bad CRC, using default environment

In: serial
Out: serial
Err: serial
Hit any key to stop autoboot: 0
16384 KiB hi_sfc at 0:0 is now current device

## Booting kernel from Legacy Image at 82000000 ...
Image Name: Linux-3.0.8
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 3653852 Bytes = 3.5 MiB
Load Address: 80008000
Entry Point: 80008000
Loading Kernel Image ... OK

网络也ping不通！。
有好心人知道怎么解决吗？感谢了！

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