From mboxrd@z Thu Jan  1 00:00:00 1970
From: Simon Glass <sjg@chromium.org>
Date: Thu, 23 Mar 2017 12:37:47 -0600
Subject: [U-Boot] uboot information
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Hi,

On 23 March 2017 at 12:36, Sébastien Basset <sbasset@aviwest.com> wrote:
>
>
>
> 2017-03-23 3:19 GMT+01:00 Simon Glass <sjg@chromium.org>:
>>
>> Hi,
>>
>> On 22 March 2017 at 10:35, Sébastien Basset <sbasset@aviwest.com> wrote:
>> > 1/ No, As i am stuck on the mmc (pci controller internal soc),
>> > 2/ Now i try to boot on usb key, but i don't see controller usb
>> > Sorry, these are two different problems.
>>
>> It is better to post at the bottom that the top, for mailing lists.
>>
>> I think PCI XHCI has some problems. I'm not sure of its status.
>>
>> MMC seems to work well on Minnowboard Max (baytrail) but I am not sure
>> about braswell. Is it perhaps a slightly different chip?
>>
>> Regards,
>> Simon
>>
>
> For PCI XHCI, i see controller usb and root hub, but cannot reset port:
>
> portstatus 711, change 0, 5 Gb/s
> STAT_C_CONNECTION = 0 STAT_CONNECTION = 1  USB_PORT_STAT_ENABLE 0
> portstatus 711, change 10, 5 Gb/s
> STAT_C_CONNECTION = 0 STAT_CONNECTION = 1  USB_PORT_STAT_ENABLE 0
> portstatus 711, change 10, 5 Gb/s
> STAT_C_CONNECTION = 0 STAT_CONNECTION = 1  USB_PORT_STAT_ENABLE 0
> portstatus 711, change 10, 5 Gb/s
> STAT_C_CONNECTION = 0 STAT_CONNECTION = 1  USB_PORT_STAT_ENABLE 0
> portstatus 711, change 10, 5 Gb/s
> STAT_C_CONNECTION = 0 STAT_CONNECTION = 1  USB_PORT_STAT_ENABLE 0
> Cannot enable port 10 after 5 retries, disabling port.
> Maybe the USB cable is bad?
> cannot reset port 10!?
>
> do you have an idea,why reset port is break down ?

No I am not sure. It could possibly be a driver problem, or perhaps
the port is not enabled in the FSP config?

>
> For MMC, braswell n3160 is dedicated for embedded iot, maybe for security.
>

Do you mean that you cannot use MMC on this chip?

Regards,
Simon