GSoC 2015 RPi USB Support

[Yurii Shevtsov]

Any news?

2015-06-29 19:50 GMT+03:00 Yurii Shevtsov <ungetch at gmail.com>:
> So, it is empty.
>
>  .rtemsroset.bsd.nexus.begin
>                 0x001104bc        0x0 ./libbsd.a(rtems-bsd-nexus.c.16.o)
>                 0x001104bc                _bsd__start_set_nexus
>  .rtemsroset.bsd.nexus.end
>                 0x001104bc        0x0 ./libbsd.a(rtems-bsd-nexus.c.16.o)
>                 0x001104bc                _bsd__stop_set_nexus
>
> What will be next step? My repo:
> https://github.com/gtament/rtems-libbsd/commit/cf3f0fcafef3bcb9b0ec80d8c57e1304689ebace
>
> 2015-06-29 9:43 GMT+03:00 Sebastian Huber <sebastian.huber at embedded-brains.de>:
>> You can debug this issue on Qemu. The Nexus childes are registered in a
>> linker set, so I would consult the linker map file.  It should look like
>> this:
>>
>>  .rtemsroset.bsd.nexus.begin
>>                 0x000000000052ef7c        0x0 libbsd.a(rtems-bsd-nexus.o)
>>                 0x000000000052ef7c _bsd__start_set_nexus
>>  .rtemsroset.bsd.nexus.content
>>                 0x000000000052ef7c       0x28
>> testsuite/telnetd01/test_main.o
>>  .rtemsroset.bsd.nexus.end
>>                 0x000000000052efa4        0x0 libbsd.a(rtems-bsd-nexus.o)
>>                 0x000000000052efa4 _bsd__stop_set_nexus
>>
>> The  .rtemsroset.bsd.nexus.content section must be non-empty.
>>
>>
>> On 27/06/15 16:39, Yurii Shevtsov wrote:
>>>
>>> Any ideas? Maybe I did some typo? Maybe you can compile and try it in
>>> qemu?
>>>
>>> 2015-06-26 17:05 GMT+03:00 Yurii Shevtsov <ungetch at gmail.com>:
>>>>
>>>> 2015-06-25 16:00 GMT+03:00 Sebastian Huber
>>>> <sebastian.huber at embedded-brains.de>:
>>>>>
>>>>> I would set a break point to nexus_probe(). In this loop
>>>>>
>>>>>      SET_FOREACH(nd, nexus) {
>>>>>          device_add_child(dev, nd->name, nd->unit);
>>>>>      }
>>>>>
>>>>> your device must get added. I would also set break points to the probe
>>>>> and
>>>>> attach functions of your device.
>>>>
>>>> Added printfs()
>>>>
>>>>      printf("before setforeach\n");
>>>>
>>>>      SET_FOREACH(nd, nexus) {
>>>>          printf("setforeach: %s\n", nd->name);
>>>>          device_add_child(dev, nd->name, nd->unit);
>>>>      }
>>>>
>>>> Got only 'before setforeach' in console. So it doesn't step into loop.
>>>> Any ideas? Also I already had printfs in my driver's probe and attach,
>>>> also got no output.
>>>>
>>>>> On 25/06/15 14:50, Yurii Shevtsov wrote:
>>>>>>
>>>>>> This is ping message, with small update: the problem is not on the
>>>>>> linking stage, driver is linked to testsuite (checked with objdump)
>>>>>>
>>>>>> 2015-06-21 17:57 GMT+03:00 Yurii Shevtsov <ungetch at gmail.com>:
>>>>>>>
>>>>>>> Hello)
>>>>>>> Now I have apps from libbsd testsuite running. But DWC OTG driver
>>>>>>> doesn't
>>>>>>> loads.
>>>>>>> I added this lines to init01/test_main.c:
>>>>>>>
>>>>>>> +SYSINIT_NEED_USB_CORE;
>>>>>>> +SYSINIT_DRIVER_REFERENCE(bcm283x_dwcotg, nexus);
>>>>>>>
>>>>>>> (I know it's bad hardcode)
>>>>>>>
>>>>>>> If I run it. I get only this:
>>>>>>>     nexus0: <RTEMS Nexus device>
>>>>>>>     devctl: +nexus0 at   on root0
>>>>>>>     devctl: !system=IFNET subsystem=lo0 type=ATTACH
>>>>>>>
>>>>>>> Of course, I modified rtemsbsd/include/machine/rtems-bsd-sysinit.h and
>>>>>>> rtemsbsd/include/bsp/nexus-devices.h (took vlues from working DTS) and
>>>>>>> did other nexus-related changes to drivers. You can find changes in my
>>>>>>> repo https://github.com/gtament/rtems-libbsd/
>>>>>>> So I need some kind of code review, please.
>>>>>>> P.S. All testsuites (netshell01, usb01) with shell hangs without any
>>>>>>> output.
>>>>>>>
>>>>>>> Thanks in advance!
>>>>>>
>>>>>> _______________________________________________
>>>>>> devel mailing list
>>>>>> devel at rtems.org
>>>>>> http://lists.rtems.org/mailman/listinfo/devel
>>>>>
>>>>>
>>>>> --
>>>>> Sebastian Huber, embedded brains GmbH
>>>>>
>>>>> Address : Dornierstr. 4, D-82178 Puchheim, Germany
>>>>> Phone   : +49 89 189 47 41-16
>>>>> Fax     : +49 89 189 47 41-09
>>>>> E-Mail  : sebastian.huber at embedded-brains.de
>>>>> PGP     : Public key available on request.
>>>>>
>>>>> Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
>>>>>
>>
>> --
>> Sebastian Huber, embedded brains GmbH
>>
>> Address : Dornierstr. 4, D-82178 Puchheim, Germany
>> Phone   : +49 89 189 47 41-16
>> Fax     : +49 89 189 47 41-09
>> E-Mail  : sebastian.huber at embedded-brains.de
>> PGP     : Public key available on request.
>>
>> Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
>>