[patch 3/6] Add 8548 CDS PCI express controller node and PCI-X device node
Zang Roy-r61911
tie-fei.zang at freescale.com
Wed Jul 11 12:44:01 EST 2007
On Wed, 2007-07-11 at 04:25, Segher Boessenkool wrote:
> > pci1: pci at 8000 {
> > interrupt-map-mask = <1f800 0 0 7>;
>
> Set the mask to <1800 0 0 7>, and you need only 16
> entries to encode the swizzle. Except...
>
> > + /* bus 1 , idsel 0x2 Tsi310 bridge
> secondary */
>
> ...interrupts on bus 1 should be swizzled on bus 1, not
> at the PHB. Really. It is a horrible workaround for a
> non-existing problem to do it here, and I promise you
> it _will_ come back to hurt you later. Not a threat,
> just a promise :-)
I just want to make it as a temporary workaround now.
Extra patches will be provided to fix it.
> > - compatible = "85xx";
> > + compatible = "fsl,mpc85xx-pci","85xx";
>
> No more "xx" please...
>
> > + pci at a000 {
> > + interrupt-map-mask = <f800 0 0 7>;
> > + interrupt-map = <
> > +
> > + /* IDSEL 0x0 (PEX) */
> > + 00000 0 0 1 &mpic 0 1
> > + 00000 0 0 2 &mpic 1 0
> > + 00000 0 0 3 &mpic 2 0
> > + 00000 0 0 4 &mpic 3 0>;
>
> Why sense 0 for all but the first entry in this map?
Now, only the first entry is used.
>
> > + compatible = "fsl,mpc86xx-pciex","86xx";
>
> And "xx" again. Aren't the 85- and 86- PCIe controllers
> compatible, btw?
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