小米小爱音响不启动，已排除硬件问题，TTL显示不进系统

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小米小爱音响不启动，已排除硬件问题，TTL显示不进系统，求救砖途径，跑马图如下
BL2 Built : 15:46:00, Sep 29 2019. axg g8667414 - sentao.gao@droid08-bj

set vcck to 1140 mv
set vddee to 1070 mv
Board ID = 12
CPU clk: 1200MHz
DDR low power enabled
DDR DQS-calibration enabled
DDR scramble enabled
DDR3 chl: Rank0 16bit @ 792MHz - PASS
Rank0: 256MB(auto)-2T-11
DataBus test pass!
AddrBus test pass!
NAND init
chk page: 00000500
chk page: 00000540
chk page: 00000580
chk page: 000005c0
bbt blk:00000014
bbt page:00000000
0000000000000000000000000000000000000000000000000000000000000000
Load FIP HDR from NAND, src: 0x0000c000, des: 0x01700000, size: 0x00004000
FIP HDR CHK: 00000034 ADDR 0x01700000
Load FIP HDR from NAND, src: 0x0000c000, des: 0x01700000, size: 0x00004000
FIP HDR CHK: 0000008e ADDR 0x01700000
Load FIP HDR from NAND, src: 0x0000c000, des: 0x01700000, size: 0x00004000
FIP HDR CHK: ffffffda ADDR 0x01700000
Load FIP HDR from NAND, src: 0x0000c000, des: 0x01700000, size: 0x00004000
FIP HDR CHK: 00000089 ADDR 0x01700000
reset...
AXG:BL1:d1dbf2:a4926f;FEAT:E0DC318C:2000OC:F;EMMC:800;NAND:0;READ:0;0.0;CHK:0;
sdio debug board detected
TE: 23512

这样无限循环，键盘不能操作。求教大神们有什么途径解决