[U-Boot] Ethernet sandox driver issue

[Joe Hershberger]

Hi Steven,

On Mon, Jul 23, 2018 at 6:26 AM, Steven Stoner
<sstoner at asl-control.co.uk> wrote:
> Hello there,
>
> Sorry about this but I could use some assistance.  I am trying to get the ethernet to work under the sandbox and am having issues.  I saw and applied the patch from Joe Hershberger-2 that seemed to be relevant to my issue.
>
> I have applied the patches on the following page to my latest master git version w/ hash 4c6363b of u-boot:
> http://u-boot.10912.n7.nabble.com/PATCH-0-5-sandbox-net-Fix-sandbox-eth-drivers-td333300.html
>
> Once complete, I compile using the python test harness with: ./test/py/test.py --bd sandbox --build , then run the sandbox at the command line using build-sandbox/u-boot. I see the following:
>
> U-Boot 2018.07-00296-g474ecd2-dirty (Jul 23 2018 - 11:15:29 +0100)
>
> DRAM:  128 MiB
> MMC:
> In:    serial
> Out:   serial
> Err:   serial
> SCSI:
> Net:   No ethernet found.
>
> The "No ethernet found." is coming from function: int eth_initialize(void) on line 400
>                 printf("No ethernet found.\n");
> in eth-uclass.c.
>
> What is causing this and how do I get the sandbox to receive and send packets to my local network adapter (the second one listed by ifconfig)?

It looks like you are running with no device tree. The sandbox will
not look if there is no DT to tell it to. You need to use the
sandbox.dts. Run "build-sandbox/u-boot -D".

Cheers,
-Joe

> Thanks,
>
> Steven Stoner
> Senior Embedded Engineer
>
> e.      mailto:sstoner at asl-control.co.uk
> w.      http://www.asl-control.co.uk
>
>
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