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

[Marek Vasut]

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.

-- 
Best regards,
Marek Vasut