GSoC 2015 RPi USB Support

[Yurii Shevtsov]

ping

2015-07-01 17:20 GMT+03:00 Yurii Shevtsov <ungetch at gmail.com>:
> 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.
>>>