[U-Boot] Newbie SPL question for socfpga_sockit

[Marek Vasut <marex@denx.de>]

On 04/11/2016 04:03 AM, George Broz wrote:
> On 10 April 2016 at 10:47, Marek Vasut <marex@denx.de> wrote:
>> On 04/09/2016 12:40 AM, George Broz wrote:
>>> On 8 April 2016 at 05:36, Marek Vasut <marex@denx.de> wrote:
>>>> On 04/08/2016 07:16 AM, Stefan Roese wrote:
>>>>> On 08.04.2016 01:51, George Broz wrote:
>>>>>
>>>>> <snip>
>>>>>
>>>>>>>>> Try with the attached patch (and probably with dcache off)
>>>>>>>>
>>>>>>>> The patch applied cleanly. The behavior is unchanged with both
>>>>>>>> dcache on and off. The "good" sticks still work, and "bad" sticks still don't.
>>>>>>>
>>>>>>> OK. Then I should probably go hunting for Kingston DataTraveler SE9,
>>>>>>> right ? Can you give me a link to the stick you have, so I know what
>>>>>>> crappy device to look for ? Thanks!
>>>>>>
>>>>>> Here it is [1] - I have the 8GB version.
>>>>>>
>>>>>> I think there will always be crappy sticks that don't work... but do you
>>>>>> have any advice as to what properties will/might generally cause a problem?
>>>>>>
>>>>>> [1] http://www.amazon.com/Kingston-Digital-DataTraveler-DTSE9H-16GBZET/dp/B00DYQYITG
>>>>>
>>>>> I have exactly this stick here (16GiB) version. And it is detected just
>>>>> fine in both, current mainline Armada XP (theadorable) and x86 boards
>>>>> (conga-qeval20-qa3-e3845). Here my lsusb output:
>>>>
>>>> I bought the kingston stick and it's not detected on SoCFPGA SoCkit at
>>>> all. Ouch :-(
>>>>
>>>> [...]
>>>> Best regards,
>>>> Marek Vasut
>>>
>>> For what it's worth - here is the marking on the OTG chip on the de0_nano_soc:
>>>
>>> SMSC
>>> 3300-EZK
>>> A1515AC13
>>> 515AR3A
>>> ASETV
>>
>> OK, that's the standard/recommended USB3300 PHY. I will keep fiddling
>> with the Kingston SE9 USB stick to see what's going on, that's probably
>> some other issue than the cache issue though.
>>
> On my third order for an OTG USB mini cable from Amazon, I finally got an
> actual OTG cable!
> 
> On the SoCKit, using this cable the "dwc_otg_core_host_init: Timeout!"
> messages no longer appear.
> 
> A few of the USB sticks I have here are immediately recognized and function
> normally - a first for me with the latest version of u-boot. For
> others, like the
> Kingston SE9 stick, I get the same result as you - it's not detected at all.
> 
> I have yet to find one of the non-working USB sticks on the SoCKit
> fail with the
> same sort of long timeout followed by the zombie behavior exhibited by the
> DE0/Kingston combination.

Thanks for checking. I also have the SE9 here and it fails indeed, I
will have to look into it later.


-- 
Best regards,
Marek Vasut