This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

my uboot ' network does now work fine.

Hi,

  I'm designing a board based on the DM8168,

and I use the uboot in the EZSDK.

the uboot start up successfully.

but the wire can not connect to window at the very begining.

after a while, it shows the wire connect to the windows.

then I ping ,but it disconnected again..

It really puzzled me.

Because of this situation,My linux based on the NFS file system did not work yet .

please help me with my uboot network, thanks.

here's the uboot message printf.

==================================================

U-Boot 2010.06 (Jan 10 2012 - 23:55:44)

TI8168-GP rev 2.0

ARM clk: 987MHz
DDR clk: 398MHz

I2C:   ready
DRAM:  1 GiB

Net:   Ethernet PHY: GENERIC @ 0x01
DaVinci EMAC
Hit any key to stop autoboot:  0

//I set the IPaddr and so on.
//At the begaining ,it is disconnected from windows network and has no wire,
//and it takes a long time to connect to my computer

YX8168_CORE_V1.4#printenv
bootcmd=nand read.i 0x81000000 0x280000 0x400000
bootdelay=3
baudrate=115200
ethaddr=00:19:EA:00:01:1A
eth1addr=00:19:EA:00:01:1B
ipaddr=192.168.1.41
serverip=192.168.1.42
autoload=no
netmask=255.255.255.0
verify=yes
bootfile=uImage
ramdisk_file=ramdisk.gz
loadaddr=0x81000000
script_addr=0x80900000
loadbootscript=fatload mmc 0 ${script_addr} boot.scr
bootscript= echo Running bootscript from MMC/SD to set the ENV...; source ${script_addr}
stdin=serial
stdout=serial
stderr=serial
ethact=DaVinci EMAC
ver=U-Boot 2010.06 (Jan 10 2012 - 23:55:44)
Environment size: 547/8188 bytes

//after my board connect the computer,  
//I ping ,and windows shows it disconnect and has no wire at this time.

YX8168_CORE_V1.4#ping 127.0.0.1
Connect speed 1G Full
Using DaVinci EMAC device
## Warning: gatewayip needed but not set
WARN: emac_send_packet: No link
## Warning: gatewayip needed but not set
WARN: emac_send_packet: No link
ping failed; host 127.0.0.1 is not alive
YX8168_CORE_V1.4#ping 192.168.1.43
Connect speed 100M Full
Using DaVinci EMAC device
WARN: emac_send_packet: No link
ping failed; host 192.168.1.43 is not alive