[U-Boot] Ethernet via USB on Sinlinx SinA33

[Hans de Goede]

Hi,

On 29-03-16 08:38, Quentin Schulz wrote:
> Hi,
>
> On 28/03/2016 14:56, Hans de Goede wrote:
>> Hi,
>>
>> On 25-03-16 18:14, Quentin Schulz wrote:
>>> Hi,
>>>
>>> I am trying to get Ethernet to work through the USB port of the Sinlinx
>>> SinA33 on U-Boot to use TFTP to get the kernel and dtb files.
>>>
>>> However, I am getting 'data abort' when using dhcp or tftp after adding:
>>> #define CONFIG_USB_HOST_ETHER
>>> #define CONFIG_USB_ETHER_ASIX
>>>
>>> to include/configs/sunxi-common.h and checking CONFIG_USB_EHCI_HCD as
>>> told in the documentation [1]
>>>
>>> I tested this configuration with the C.H.I.P. and it is working well.
>>
>> Are you perhaps building u-boot with gcc6 ? There are some known issues
>> when building u-boot with gcc-6, which look pretty much like this.
>
> No, I'm building with gcc-5:
> $ arm-linux-gnueabihf-gcc --version
> arm-linux-gnueabihf-gcc (Ubuntu 5.2.1-22ubuntu1) 5.2.1 20151010
>
>> Is the ethernet adapter connected to a regular usb host port, or to
>> the otg port ?
>
> The Ethernet adapter is connected to the regular USB host port.

Hmm, then maybe we are missing some cache flusing somewhere in the ehci code?

Otherwise I would not know what the issue might be.

Regards,

Hans