[mc1322x] ROM vars

[Joaquín Cabezas]

Ok, I have a 2.0 revision. I will try with the new entry point after you 
send it us. A lot of thanks!


El 15/04/2010 13:26, Mariano Alvira escribió:
> On Thu, Apr 15, 2010 at 01:10:35PM +0200, Joaquín Cabezas wrote:
>    
>> I'm working with Manuel, he's out for lunch right now.
>>
>> We've checked out libmc1323 git, not the contiki branches. But seeing
>> both, the only difference is the TARGET_WITH_ROM_VARS variable.
>>
>> We came to this point because when using TARGET_WITH_ROM_VARS blink_led
>> wasn't working properly. So,
>> we found out that the single line:
>>
>> bl _rom_data_init+.-base
>>
>>   is preventing our mc13224 from running.
>>
>> In the contiki branch, this line is allways being executed, and that's
>> why it does not work.
>> In the libmc1323 branch, there is the option of disabling it if we don't
>> set TARGET_WITH_ROM_VARS, and that's why
>> we are able to run some examples (blink, uart loopback..)
>>      
> Ok, I understand.
>
> You probably have a different rev. of the silicon with different entry
> points into the ROM. Does your chip have a version number on it (like
> v2.0 or v2.1). When you test the freescale stuff which version do you
> select?
>
> There is also a revision register, but I don't remember off-hand where
> (Probably in CRM or MACA.) The contents of that might be useful.
>
> When I get into the office today I'll see if I can find the v2.0 entry
> point for rom_init for you to try.
>
> -Mar.
>    


-- 
	*José Joaquín Cabezas Rodríguez *
joaquin.cabezas at gie.esi.us.es
*Grupo de Ingeniería Electrónica* /
/
*/Departamento de Ingeniería Electrónica/
*
Tfno: +34 954485966
Fax: +34 954487373
Escuela Superior de Ingenieros
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