[U-Boot] U-Boot on Minnowboard Max

[Bin Meng]

Hi George,

On Fri, Jun 10, 2016 at 9:46 PM, George McCollister
<george.mccollister at gmail.com> wrote:
> On Fri, Jun 10, 2016 at 8:29 AM, vinoth eswaran <evinoth1206 at gmail.com> wrote:
>> On Fri, Jun 10, 2016 at 2:53 PM, George McCollister
>> <george.mccollister at gmail.com> wrote:
>>> On Thu, Jun 9, 2016 at 11:01 PM, Bin Meng <bmeng.cn at gmail.com> wrote:
>>>> Hi,
>>>>
>>>> +Simon, ML and Stefan.
>>>>
>>>> On Wed, Jun 8, 2016 at 11:58 PM, vinoth eswaran <evinoth1206 at gmail.com> wrote:
>>>>> Hello Bin,
>>>>>
>>>>>   Sorry that I don't know how not to reply without top-posting. I
>>>>> don't know which settings to change, google didn't help me in this
>>>>> case.
>>>>>
>>>>
>>>> It's a posting style. See https://en.wikipedia.org/wiki/Posting_style.
>>>> We use bottom-posting.
>>>>
>>>>> I have tested your patch on my target and found out that now mounting
>>>>> root file system by sd card is fine. Thanks a lot :)
>>>>>
>>>>
>>>> Great!
>>>>
>>>>> Now I am seeing another issue , the USB3.0 port (bottom) is not
>>>>> working. I am sure that both ports are working fine with UEFI
>>>>> Firmware. I tested by connecting a mouse to the USB port , in the
>>>>> USB2.0 port (upper) it is working fine but in the USB3.0 port the
>>>>> mouse is not getting detected. I am not sure why it is happening. I
>>>>> looked into the kernel logs but I didn't get any error/debug messages.
>>>>> Can you please check this on your board also.
>>>>>
>>>>
>>>> Do you mean xHCI is not working under U-Boot? xHCI is not enabled in
>>>> U-Boot yet. IIRC, U-Boot's xHCI driver does not support Intel
>>>> controller yet.
>>> I think he just means the bottom port isn't working. I had a patch set
>>> to fix the problem but I never had time re-work the first patch in the
>>> series.
>>> http://lists.denx.de/pipermail/u-boot/2015-October/229469.html
>>>
>> Ya that's exactly is the problem. I will try to use the patch , but I
>> am seeing many updates on the 'intel_ich6_gpio.c' which is hard to
>> understand for me.
>
> You probably won't have much luck getting the patch to apply, but at
> least it gives you an idea of what is going on and how to possibly fix
> it.

Would you please re-work the patch if you have time?

[snip]

Regards,
Bin