MPC85xx External/Internal Interrupts

Alemao xcarandiru at gmail.com
Sat Sep 5 05:24:12 EST 2009


On Fri, Sep 4, 2009 at 4:14 PM, Alemao<xcarandiru at gmail.com> wrote:
> I've read some posts in the list, and about:
>
> irq_of_parse_and_map()
> irq_create_map()
>
> But Im still trying to understand MPC85xx TSEC1 dts.
>
> Gianfar driver is using request_irq(), and request_irq() uses virtual
> irq, right?
>
> Thats why in dts all irqs for TSEC1 are "offseted" of 16?
>
> Manual  |  DTS
> ---------------
> 13         29
> 14         30
> 18         34
>

This makes no sense.

CPM2-PIC, in MPC8555ERM, its on 30. In DTS is on 46. Offset of 16.
But my platform code use irq_of_parse_and_map()!

So why this offset?!?!

--
Alemao


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