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

[Marek Vasut]

On 05/24/2016 05:17 PM, Marek Vasut wrote:
> On 05/24/2016 05:15 PM, Joe Hershberger wrote:
>> 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?
> 
> I think Wills sent a subsequent patch which fixes DT for him, so feel
> free to pick this one and his fixes.
> 
Oh oops, I have a V2 lined up, so I will send that now. Sorry.

-- 
Best regards,
Marek Vasut