ARCH=ppc -> ARCH=powerpc : help needed for dts file
Scott Wood
scottwood at freescale.com
Tue Mar 4 08:11:08 EST 2008
Philippe De Muyter wrote:
> Is the PCI-interrupt map that part of the dts file :
>
> interrupt-map = <
>
> /* IDSEL 0x02 */
> 1000 0 0 1 &mpic 1 1
> 1000 0 0 2 &mpic 2 1
> 1000 0 0 3 &mpic 3 1
> 1000 0 0 4 &mpic 4 1
>
> /* IDSEL 0x03 */
> 1800 0 0 1 &mpic 4 1
> 1800 0 0 2 &mpic 1 1
> 1800 0 0 3 &mpic 2 1
> 1800 0 0 4 &mpic 3 1
>
> ...
Yes.
> I do not understand anything there :(
It maps PCI interrupts to mpic interrupts. The first three cells are
the PCI address (only the device number is unmasked), then the PCI
interrupt (INTA=1, INTB=2, etc.), then a phandle to the parent interrupt
controller, then the interrupt specifier for the parent controller.
-Scott
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