Three chip erc32 Re: CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER macro issue

[Joel Sherrill]

Jiri does this ring a bell with the old Tharsys board and 3 chip erc32?

On Mon, Sep 2, 2019, 5:09 PM Michel Macena <mmacena.eng at gmail.com> wrote:

> It is the ERC 32 chipset version (TSC691, TSC692 and TSC693 units), The
> Board was manufactured by Tharsys, a french company, but it does not
> exist anymore. The board manual dates from 2000.
>
> Em sex, 30 de ago de 2019 às 17:53, Joel Sherrill <joel at rtems.org>
> escreveu:
>
>>
>>
>> On Fri, Aug 30, 2019, 11:35 AM Michel Macena <mmacena.eng at gmail.com>
>> wrote:
>>
>>> Thanks for the answer, but the ticker sample program
>>> has this macro in his system.h header. I can compile a program
>>> with this macro but when  I load it, the board just ignores it an then
>>> reset. If I change the
>>> macro for the opposite one ("does not need the clock driver") the
>>> program just works, except that I can't
>>> use any time related routine. Also without the clock drive driver
>>> enabled I can't communicate with the board (send and receive data).
>>> I understand that the Macro enables the clock drive but how this happens
>>> ? It changes a register value  in the chip ?
>>>
>>
>> Setting that macro adds the clock driver to the set of statically
>> installed device drivers. The code is in bsps/sparc/erc32/clock. It uses a
>> timer on the erc32.
>>
>> Check that it survives initialising the clock and gets the interrupt ok.
>>
>> This isn't something I have heard of before. Is this a very early erc32?
>> Just wondering with nothing specific in mind.
>>
>> --joel
>>
>>
>>
>>> Em sex, 30 de ago de 2019 às 03:21, Sebastian Huber <
>>> sebastian.huber at embedded-brains.de> escreveu:
>>>
>>>> On 30/08/2019 19:09, Michel Macena wrote:
>>>> > I still have the issue with the macro #define
>>>> > CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER. I tried
>>>> > a different version of RTEMS but It didn't work. Can someone explain
>>>> me
>>>> > how this macro works? So I can
>>>> > try to figure out some patch or fix for my hardware.
>>>>
>>>> This configuration option enables the clock driver.
>>>>
>>>> I would run first the RTEMS test suite on your target. For example
>>>> start
>>>> with the ticker sample program.
>>>>
>>>> --
>>>> 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.
>>>>
>>>
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