Scott Wood wrote: > On Mon, 11 Oct 2010 12:02:15 -0500 > <david.hag...@gmail.com> wrote: > >> Re-ordering your questions a bit: >> >>> What board are you using? What kernel? >> One of 2 boards: Either an Embedded Planet or a Performance Tech uTCA >> board based on the MPC8641D, running the 2.6.26 as supplied by EP. > > That's a very old kernel. Have you contacted EP support? > > You may be better off trying to migrate anything board-specific to the > latest kernel, rather than do new development on the vendor kernel, > especially if you're looking for community support, and definitely if > you're trying to do something that could be merged upstream to help > others. > > The MPC8641D itself is supported in mainline Linux. > >>> On Sat, 9 Oct 2010 10:52:49 -0500 >>> Documentation/powerpc/dts-bindings/fsl/mpic.txt >> Not present in the version I have. > > We didn't have a time machine, so we were only able to add things to new > releases, not old ones. :-) > > Should it have been documented from the start? Ideally, yes, and we're > pickier now than we were then about insisting on bindings being > documented before they're used. But nothing's perfect.
On the *latest* tree you can find more than your tree: ------ Documentation/powerpc/dts-bindings/fsl/msi-pic.txt Documentation/powerpc/booting-without-of.txt If you want to understand dts in detail you can refer to the file, ------ http://www.power.org/resources/downloads/Power_ePAPR_APPROVED_v1.0.pdf > >>> If it's not in the dts, add it. If for whatever reason that's not an >>> option, you can use irq_create_mapping() as I mentioned in the previous >>> e-mail. >> And as I've said previously, I have no good info on HOW to add the nodes, >> WHAT to add, or WHERE. You may as well be saying "Bargle the Narbog". > > There are no nodes to add with irq_create_mapping(). Sure. > > Just bargle the narbog. > >> And when I try to use irq_create_mapping() it seg faults, which doesn't >> exactly help me get my interrupt hooked up. > > Well, I didn't know it was going to do that... Your usage of > irq_create_mapping() seems fine, there's just something going wrong. The 'NULL' host would be 'irq_default_host'. For OOPS you can check my another email and hope its useful. -Tiejun > See my other reply about the number of MPIC interrupts. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
