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Network cannot link up on DM6446 at u-booting phase

Other Parts Discussed in Thread: ASH

hi,

my DM6446 target board was connected by the PC before, but it was broken today. At u-booting phase,  it shown,

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DaVinci EVM # boot

TFTP from server 192.168.136.161; our IP address is 192.168.136.229

Filename 'uImage'.

Load address: 0x80700000

Loading: WARN: emac_send_packet: No link

T WARN: emac_send_packet: No link

T WARN: emac_send_packet: No link

T WARN: emac_send_packet: No link

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I checked the u-boot configuration as below,

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DaVinci EVM # printe

bootdelay=3

addip=setenv bootargs mem=120M console=ttyS0,115200n8 root=/dev/ram0 rw init=/bi

n/ash initrd=0x82000000,4M ip=::::::off eth= video=dm64xxfb:output= ip=::::::off

 eth= video=dm64xxfb:output=

bOotargs=cOncole=ttyS0,57600n8 video=dm64xxfb:interface=composite:mode=pal noini

tpd rw root=/det/nfs ndsroot9192.168.136.161:/homeuser/workdib/dalesys,nolocjme

m=11"M eth=00:0E:FF2FF:FF:80 ip=192.168.136.0"9:8192.168.13&.39

baudrate=57600

bootcmd=tftp;bootm

serverip=192.168.136.161

bootfile=uImage

ipaddr=192.168.136.229

ethaddr=00:0E:99:EF:EF:11

bootargs=console=ttyS0,57600n8 video=dm64xxfb:interface=composite:mode=pal noini

trd rw root=/dev/nfs nfsroot=192.168.136.161:/root/armfs,nolock mem=112M eth=00:

0E:FF:FF:FF:80 ip=192.168.136.229::192.168.136.39

stdin=serial

stdout=serial

stderr=serial

 

Environment size: 800/131068 bytes

DaVinci EVM #

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the highlighted portion looks very strange, seems u-boot had crashed. Please give me some advices. 

thanks.

dawson