[U-Boot] [PATCH] net: Add ag7xxx driver for Atheros MIPS

[Joe Hershberger]

Hi Marek,

On Sat, May 21, 2016 at 4:29 AM, Marek Vasut <marex at denx.de> wrote:
> On 05/21/2016 05:25 AM, Wills Wang wrote:
>>
>>
>> On 05/21/2016 01:08 AM, Marek Vasut wrote:
>>> On 05/20/2016 06:43 PM, Wills Wang wrote:
>>>>
>>>> On 05/20/2016 07:59 PM, Marek Vasut wrote:
>>>>> On 05/20/2016 06:18 AM, Wills Wang wrote:
>>>>>> On 05/08/2016 11:22 PM, Marek Vasut wrote:
>>>>>>> On 05/08/2016 02:58 PM, Daniel Schwierzeck wrote:
>>>>>>>
>>>>>>> Hi!
>>>>>>>
>>>>>>>> Am 05.05.2016 um 21:34 schrieb Marek Vasut:
>>>>>>>>> Add ethernet driver for the AR933x and AR934x Atheros MIPS
>>>>>>>>> machines.
>>>>>>>>> The driver could be easily extended to other WiSoCs.
>>>>>> How to make this patch work on ar933x board?
>>>>>> I apply this patch on the top of mips/next branch and enable this
>>>>>> option
>>>>>> in menuconfig,
>>>>>> but i can't see any boot information for Ethernet.
>>>>> The Kconfig conversion is not complete. See the
>>>>> tplink_wdr4300_defconfig
>>>>> for the necessary options, it should be at least these:
>>>>>
>>>>> CONFIG_CMD_NET=y
>>>>> CONFIG_CMD_NFS=y
>>>>> CONFIG_CMD_DHCP=y
>>>>> CONFIG_CMD_PING=y
>>>>> CONFIG_NET_RANDOM_ETHADDR=y
>>>>> CONFIG_DM_ETH=y
>>>>> CONFIG_AG7XXX=y
>>>>>
>>>> I add these options and boot up as the following, but my ar933x board
>>>> don't work,
>>>> the link indicator led on router is off when plug in the cable and
>>>> execute "dhcp" command.
>>>>
>>> Hrm, I have no idea, sorry, you'd have to dive in. It works on the board
>>> I have. The ar933x is such a junk chip that I kinda gave up on it. I
>>> also tested this on ar934x (my primary test platform) and it works.
>>>
>> I boot openwrt from u-boot on my ar933x board, and the ethernet driver
>> can't find chip build-in PHY, but it work well if boot from original
>> manufacturer's
>> u-boot 1.14.
>>
>> [    1.854519] libphy: ag71xx_mdio: probed
>> [    2.646539] ag71xx-mdio.1: unknown phy id 'ffff:ffff'
>> [    3.235778] ag71xx ag71xx.0: no PHY found with phy_mask=00000010
>>
>> Do you test this situation on your ar934x platform?
>>
> Yeah, I can boot Linux 4.4.x just fine and ethernet does work, but keep
> in mind that ethernet does work for me in U-Boot as well.

Are you planning to send a v2?

Thanks,
-Joe