[PATCH v3 0/9] Tegra xHCI support

[Andrew Bresticker]

On Mon, Sep 15, 2014 at 12:00 AM, Tomeu Vizoso <tomeu at tomeuvizoso.net> wrote:
> On 12 September 2014 18:37, Andrew Bresticker <abrestic at chromium.org> wrote:
>> On Tue, Sep 9, 2014 at 1:21 AM, Tomeu Vizoso <tomeu at tomeuvizoso.net> wrote:
>>> On 8 September 2014 18:22, Andrew Bresticker <abrestic at chromium.org> wrote:
>>>> On Mon, Sep 8, 2014 at 8:34 AM, Tomeu Vizoso <tomeu at tomeuvizoso.net> wrote:
>>>>> On 2 September 2014 23:34, Andrew Bresticker <abrestic at chromium.org> wrote:
>>>>>>
>>>>>> Tested on Venice2, Jetson TK1, and Big with a variety of USB2.0 and
>>>>>> USB3.0 memory sticks and ethernet dongles using controller firmware
>>>>>> recently posted by Andrew Chew [2].
>>>>>
>>>>> I have had mixed results when testing this on a Jetson TK1 board. Of 8
>>>>> USB devices I tested with, about half where probed correctly, but the
>>>>> other half repeatedly fail in hub_port_init because in the GET_STATUS
>>>>> right after the reset, the C_PORT_CONNECTION bit is set.
>>>>>
>>>>> I don't see any correlation between the failure and the kind of usb
>>>>> device, but I don't have much experience with USB implementations
>>>>> either.
>>>>
>>>> Hmm... I haven't seen that before.  Which particular devices were you using?
>>>
>>> Here they are:
>>>
>>> work:
>>>
>>> Genius keyboard: 05d5:6782
>>> Logitech mouse: 046d:c06a
>>> Denver MP3 player: 10d6:1100
>>> Atheros Bluetooth dongle: 0cf3:3005
>>>
>>> don't work:
>>>
>>> MCS7830 ethernet dongle: 9710:7830
>>> Genesys Logic hub: 05e3:0608
>>
>> I tried the hub and it works just fine for me... Have you tried this
>> on any other boards like Big or Blaze?
>
> I have a Blaze here, but haven't been able to get the external ports
> to power up. I don't have schematics nor a strong interest to get that
> fixed myself, as I can test my code just fine with the Blaze's
> internal camera and the devices that do work on the Jetson.

Ok, since Blaze has been announced, hopefully we can post a
device-tree for it soon.

> I'm using the firmware file that was posted recently:
>
> xhci-tegra 70090000.usb: Firmware timestamp: 2014-05-02 02:22:50 UTC,
> Falcon state 0x20

Yup, I'm using the same firmware.

> If things work for you with the same sources, .config and firmware, I
> can only think of the hw being different (other hw revision?).

That, or perhaps bootloader differences?  I'm using mainline U-Boot.

Stephen, Thierry, have either of you had a chance to test this series?