[ELDK] u-boot tftp on second network interface?

K Richard Pixley rpixley at graphitesystems.com
Wed Jun 3 20:03:59 CEST 2015


Thank you.

These should probably be added to the online u-boot manual.

--rich

On 20150603 03:26, Wolfgang Denk wrote:
> Dear Richard,
>
> In message <556E34B3.30908 at graphitesystems.com> you wrote:
>> Can I configure u-boot to tftp from the second network interface?
> The use of the network interfaces is controlled by the environment
> variables "ethprime" (primary interface, i. e. what to use by default)
> and "ethact" (interface to be used for the next transfer).
>
> So you can do something like this:
>
> ...
> Net:   ppc_4xx_eth0 [PRIME], ppc_4xx_eth1
> ...
> => printenv ethact ethprime
> ethact=ppc_4xx_eth0
> ethprime=ppc_4xx_eth0
> => tftp 100000 $bootfile
> Waiting for PHY auto negotiation to complete... done
> ENET Speed is 1000 Mbps - FULL duplex connection (EMAC0)
> Using ppc_4xx_eth0 device
> ...
> => setenv ethact ppc_4xx_eth1
> => tftp 100000 $bootfile     
> Waiting for PHY auto negotiation to complete... done
> ENET Speed is 1000 Mbps - FULL duplex connection (EMAC1)
> Using ppc_4xx_eth1 device
> ...
>
>
> BTW:  U-Boot related questions are usually better posted on the U-Boot
> mailing list, see http://lists.denx.de/mailman/listinfo/u-boot
>
> Best regards,
>
> Wolfgang Denk
>



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