[U-Boot] [Banana Pi] DHCP at boot

Hello
I've got a banana pi since few days. It's based on a Sunxi u boot but i'm using the Mainline u-boot.
I'm using debian and i don't find how to get a working connection at boot.
I need to have an IP at boot who permit me to connect over SSH and unlock a LUKS Volume.
I got a EFIKA MX and there is a boot.script in /boot but with the banana pi I only have a boot.scr file.
How can I get a working connection with DHCP at boot ?
Now I only have :
IP-Config: eth0 hardware address 02:c4:06:82:13:47 mtu 1500 DHCP Please unlock disk mmcblk0p5_crypt: IP-Config: no response after 2 secs - giving up IP-Config: eth0 hardware address 02:c4:06:82:13:47 mtu 1500 DHCP IP-Config: no response after 3 secs - giving up IP-Config: no response after 16 secs - giving up /scripts/init-premount/dropbear: line 32: ipconfig: not found
Thanks in advance
Paul.

Dear Paul,
In message 1434889782.11829.5.camel@u129.fr you wrote:
Now I only have :
IP-Config: eth0 hardware address 02:c4:06:82:13:47 mtu 1500 DHCP
...
IP-Config: no response after 2 secs - giving up IP-Config: eth0 hardware address 02:c4:06:82:13:47 mtu 1500 DHCP IP-Config: no response after 3 secs - giving up IP-Config: no response after 16 secs - giving up
Here the Linux Kernel (not U-Boot - you are actually off topic on this list) is telling you that it is trying to aut-configure the board's IP address using DHCP, but it is not getting any responses from your DHCP server.
Do you actually have a DHCP server running?
Oh, and BTW: it seems you are not using a valid MAC address?
Best regards,
Wolfgang Denk
participants (2)
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Paul MARCHAND
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Wolfgang Denk