QUERY: How to handle SOC Configuration (Peripheral Multiplexing) in linux

Shiraz HASHIM shiraz.hashim at st.com
Mon Mar 15 06:27:43 EDT 2010


Armando,

On 3/15/2010 3:40 PM, Armando VISCONTI wrote:
>>> So, probably the correct way is passing peripheral selection information
>>> thru
>>> bootargs.
>>> What do you think?
>>>     
>>
>> This is very specific to how an SoC provides multiplexing options and
>> will
>> vary greatly. Which option of bootargs are you talking about?
>>   
> Of course not a standard bootargs option.
> I was more talking about a new specific option that is
> passed thru bootargs and directed to a specific SPEAr function that
> can apply the proper cfg and register setting, like someone (Ben?)
> was suggesting.
> 
> In this option you should pass a bitmap or something like that.
> 
> Let me know your opinion on it.

You may be right.
Please see my other reply on device tree option.

regards
Shiraz



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