[LinuxBIOS] another question for cs5536

Songmao Tian tiansm at lemote.com
Thu Jul 5 16:34:53 CEST 2007


with regard to interrupt signal, I am still puzzled with the PCI_INTA#, 
it is said that it's a input io. Shouldn't it output the interrupt 
signal to cpu?



Songmao Tian wrote:
> done, there's a bug in my software, datebook is right~:)
>
> Songmao Tian wrote:
>   
>> Hi Marc,
>>     Thanks for you last reply on virtual pci config space, I finally 
>> find a doc on it at
>> http://www.amd.com/files/connectivitysolutions/geode/geode_gx/32663C_lx_gx_pciconfig.pdf 
>> by reading
>> the paper of <<Breaking the Chains—Using LinuxBIOS to Liberate Embedded 
>> x86 Processors>>, really thanks.
>>
>> And I am curious with the irq signal of cs5536. it's said that gpio12 
>> can be used as a INTR_OUT of pic, I have configure the GPIO as 
>> out_aux1,but it's seems I have missed something, the output of gpio12 
>> doesn't change with some rtc interrupt occur(I can see some bit of irr 
>> of 8259 set).
>>
>>
>>     Thanks in advanced.
>>
>> Tian
>>
>>
>>   
>>     
>
>
>   





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