On Fri, Nov 30, 2007 at 11:48:39AM +0800, Li Li wrote:
> The IPIC MSI is introduced on MPC837x chip.
> Implements the IPIC MSI as two level interrupt controller.
>
> Signed-off-by: Tony Li <[EMAIL PROTECTED]>
> ---
> arch/powerpc/boot/dts/mpc8377_mds.dts | 14 ++
> arch/powerpc/boot/dts/mpc8378_mds.dts | 14 ++
> arch/powerpc/boot/dts/mpc8379_mds.dts | 14 ++
> arch/powerpc/platforms/83xx/Kconfig | 6 +
> arch/powerpc/platforms/83xx/mpc837x_mds.c | 11 +
> arch/powerpc/sysdev/Makefile | 1 +
> arch/powerpc/sysdev/ipic_msi.c | 359
> +++++++++++++++++++++++++++++
> include/asm-powerpc/ipic_msi.h | 54 +++++
> 8 files changed, 473 insertions(+), 0 deletions(-)
> create mode 100644 arch/powerpc/sysdev/ipic_msi.c
> create mode 100644 include/asm-powerpc/ipic_msi.h
>
> diff --git a/arch/powerpc/boot/dts/mpc8377_mds.dts
> b/arch/powerpc/boot/dts/mpc8377_mds.dts
> index 1f7819e..1068fe2 100644
> --- a/arch/powerpc/boot/dts/mpc8377_mds.dts
> +++ b/arch/powerpc/boot/dts/mpc8377_mds.dts
> @@ -210,6 +210,20 @@
> #interrupt-cells = <2>;
> reg = <700 100>;
> };
> +
> + [EMAIL PROTECTED] {
> + compatible = "fsl,ipic-msi";
> + reg = <7c0 40>;
> + interrupts = < 43 8
> + 4 8
> + 51 8
> + 52 8
> + 56 8
> + 57 8
> + 58 8
> + 59 8 >;
> + interrupt-parent = < &ipic >;
> + };
I'm not sure why the MSI needs a device node of its own. What actual
piece of hardware is this representing?
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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