[U-Boot] : MACB TX timeout

Bo Shen
2013-07-05T01:34:52Z

Hi Jagan Teki,

On 7/5/2013 03:36, Jagan Teki wrote:
> Hi,
>
> Did anyone find this TX timeout issue on macb(gmac)?
> I observed this issue when i enable d-cache.
>
> Log:
> ----
> zynq-uboot> ping 10.10.70.101
> gmac0: PHY present at 7
> gmac0: link up, 1000Mbps full-duplex (lpa: 0x3800)
> Using gmac0 device
> gmac0: TX timeout
> gmac0: TX timeout
> ping failed; host 10.10.70.101 is not alive

Sure, this will happen, as the macb driver is not worked with d-cache
enabled.
If you want to let the macb work with d-cache enable, you should modify
the driver.

BTW, if you want to enable d-cache, the MMU must be enabled.

> Any help.!
>
> --
> Thanks,
> Jagan.

Best Regards,
Bo Shen