[U-Boot] CONFIG_DM_ETH USB_ETHER_ASIX Reception Issue on Tegra

[Simon Glass]

Hi Marcel,

On 3 August 2015 at 09:45, Marcel Ziswiler <marcel at ziswiler.com> wrote:
> Hi there
>
> Trying to update one of my patch sets of late made me notice that the
> ASIX USB to Ethernet stuff if CONFIG_DM_ETH is enabled seems to be
> rather broken. I already sent two patches to even get that far but even
> with that reception still does not seem to work (see below). I tested
> by enabling CONFIG_DM_ETH on Colibri T20/T30 as well as Apalis T30 with
> CONFIG_USB_HOST_ETHER and CONFIG_USB_ETHER_ASIX enabled and a LevelOne
> USB-0301 ASIX AX88772 dongle. Has anybody actually tried that lately?
>
> Colibri T20 # usb start
> starting USB...
> USB0:   USB EHCI 1.00
> USB1:   USB EHCI 1.00
> USB2:   USB EHCI 1.00
> scanning bus 1 for devices... 1 USB Device(s) found
> scanning bus 2 for devices...
> Warning: asix_eth using MAC address from ROM
> 2 USB Device(s) found
> scanning bus 0 for devices... 1 USB Device(s) found
> Colibri T20 # tftpboot $loadaddr uImage-colibri_t20
> Using asix_eth device
> TFTP from server 192.168.10.1; our IP address is 192.168.10.4
> Filename 'uImage-colibri_t20'.
> Load address: 0x1000000
> Loading: EHCI timed out on TD - token=0x8008d80
> Rx: failed to receive: -5
> T EHCI timed out on TD - token=0x8008d80
> Rx: failed to receive: -5
> T EHCI timed out on TD - token=0x8008d80
> Rx: failed to receive: -5
> T EHCI timed out on TD - token=0x8008d80
> Rx: failed to receive: -5
> T EHCI timed out on TD - token=0x8008d80
> Rx: failed to receive: -5
> T EHCI timed out on TD - token=0x8008d80
> Rx: failed to receive: -5
> T EHCI timed out on TD - token=0x8008d80
> Rx: failed to receive: -5
> T EHCI timed out on TD - token=0x8008d80
> Rx: failed to receive: -5
> T EHCI timed out on TD - token=0x8008d80
> Rx: failed to receive: -5
> T EHCI timed out on TD - token=0x8008d80
> Rx: failed to receive: -5
> T EHCI timed out on TD - token=0x8008d80
> Rx: failed to receive: -5
>
> Retry count exceeded; starting again
> Colibri T20 #

Not on Tegra. I did test it on minnowmax and it worked. But the cache
implementation is quite different on that platform.

Regards,
Simon