Hi first of all thank you 
My apology if I put too much crap here:
My network: 192.168.13.0
My TFTP server: 192.168.13.108
My Cam IP: 192.168.13.210 (above dhcp)
After power up serial line shows:
U-Boot 2010.06-svn6390 (Nov 27 2019 - 18:32:23)
I2C: ready
DRAM: 118 MiB
gBootLogPtr:00b80008.
spinor flash ID is 0x1940ef
partition file version 2
rootfstype squashfs root /dev/mtdblock5
gParameter[0]:node=bootargs, parameter=console=ttyS0,115200 mem=130M root=/dev/mtdblock5 rootfstype=squashfs init=/linuxrc.
TEXT_BASE:01000000
Net: PHY:0x00000000,addr:0x20
No ethernet found.
partition file version 2
rootfstype squashfs root /dev/mtdblock5
MMC: sdmmc init
Hit any key to stop autoboot: 0
bootdelay=3
baudrate=115200
autoload=yes
da=tftp 0x02000000 dhboot.bin.img; flwrite;tftp dhboot-min.bin.img;flwrite
dr=tftp 0x02000000 romfs-x.squashfs.img; flwrite
dk=tftp 0x02000000 kernel.img; flwrite
du=tftp 0x02000000 user-x.squashfs.img; flwrite
dw=tftp 0x02000000 web-x.squashfs.img; flwrite
dp=tftp 0x02000000 partition-x.cramfs.img;flwrite
dc=tftp 0x02000000 custom-x.squashfs.img; flwrite
up=tftp 0x02000000 update.img; flwrite
tk=tftp 0x02000000 uImage; bootm
sysbackup=1
logserver=127.0.0.1
loglevel=4
autosip=192.168.254.254
autogw=192.168.1.1
autonm=255.255.255.0
pd=tftp 0x02000000 pd-x.squashfs.img; flwrite
ethact=ambarella mac
BSN=4A035DBPAQ00433
HWID=IPC-HDBW4631R-ZS-27135:01:02:05:5F:21:00:01:00:00:00:04:2D0:00:00:00:00:00:01:00:00:200
devalias=IPC-HDBW4631R-ZS
hwidEx=00:02:00:00:00:00:00:00:00:00:00:00:00:00:00:00
autolip=192.168.1.251
quickstart=0
ID=5K08074PAA5EE14
ethaddr=A0:BD:1D
9:2C:49
filesize=148F8
fileaddr=2000000
appauto=0
dh_keyboard=0
ipaddr=192.168.13.210
serverip=192.168.13.118
netmask=255.255.255.0
gatewayip=192.168.13.1
bootargs=console=ttyS0,115200 mem=130M root/dev/mtdblock5 rootfstype=squashfs init=/linuxrc
stdin=serial
stdout=serial
stderr=serial
Environment size: 1259/131068 bytes
bootlog.txt

My apology if I put too much crap here:
My network: 192.168.13.0
My TFTP server: 192.168.13.108
My Cam IP: 192.168.13.210 (above dhcp)
After power up serial line shows:
U-Boot 2010.06-svn6390 (Nov 27 2019 - 18:32:23)
I2C: ready
DRAM: 118 MiB
gBootLogPtr:00b80008.
spinor flash ID is 0x1940ef
partition file version 2
rootfstype squashfs root /dev/mtdblock5
gParameter[0]:node=bootargs, parameter=console=ttyS0,115200 mem=130M root=/dev/mtdblock5 rootfstype=squashfs init=/linuxrc.
TEXT_BASE:01000000
Net: PHY:0x00000000,addr:0x20
No ethernet found.
partition file version 2
rootfstype squashfs root /dev/mtdblock5
MMC: sdmmc init
Hit any key to stop autoboot: 0
bootcmd=sf read 0x2000000 0xf0000 0x180000;bootm 0x2000000
bootdelay=3
baudrate=115200
autoload=yes
da=tftp 0x02000000 dhboot.bin.img; flwrite;tftp dhboot-min.bin.img;flwrite
dr=tftp 0x02000000 romfs-x.squashfs.img; flwrite
dk=tftp 0x02000000 kernel.img; flwrite
du=tftp 0x02000000 user-x.squashfs.img; flwrite
dw=tftp 0x02000000 web-x.squashfs.img; flwrite
dp=tftp 0x02000000 partition-x.cramfs.img;flwrite
dc=tftp 0x02000000 custom-x.squashfs.img; flwrite
up=tftp 0x02000000 update.img; flwrite
tk=tftp 0x02000000 uImage; bootm
sysbackup=1
logserver=127.0.0.1
loglevel=4
autosip=192.168.254.254
autogw=192.168.1.1
autonm=255.255.255.0
pd=tftp 0x02000000 pd-x.squashfs.img; flwrite
ethact=ambarella mac
BSN=4A035DBPAQ00433
HWID=IPC-HDBW4631R-ZS-27135:01:02:05:5F:21:00:01:00:00:00:04:2D0:00:00:00:00:00:01:00:00:200
devalias=IPC-HDBW4631R-ZS
hwidEx=00:02:00:00:00:00:00:00:00:00:00:00:00:00:00:00
autolip=192.168.1.251
quickstart=0
ID=5K08074PAA5EE14
ethaddr=A0:BD:1D

filesize=148F8
fileaddr=2000000
appauto=0
dh_keyboard=0
ipaddr=192.168.13.210
serverip=192.168.13.118
netmask=255.255.255.0
gatewayip=192.168.13.1
bootargs=console=ttyS0,115200 mem=130M root/dev/mtdblock5 rootfstype=squashfs init=/linuxrc
stdin=serial
stdout=serial
stderr=serial
Environment size: 1259/131068 bytes
bootlog.txt
Show log