From: Diana CRACIUN <diana.craciun@freescale•com>
To: <linuxppc-dev@lists•ozlabs.org>
Subject: Re: [PATCH][upstream] Added aliased MSIIR register address to MSI node in dts
Date: Wed, 1 Feb 2012 17:42:12 +0200 [thread overview]
Message-ID: <4F295D54.5080900@freescale.com> (raw)
In-Reply-To: <1328110836-343-1-git-send-email-diana.craciun@freescale.com>
Please ignore this, I put a wrong subject.
Thanks,
Diana
On 02/01/2012 05:40 PM, Diana Craciun wrote:
> From: Diana CRACIUN<Diana.Craciun@freescale•com>
>
> The MSIIR register for each MSI bank is aliased to a different
> address. The MSI node reg property was updated to contain this
> address:
>
> e.g. reg =<0x41600 0x200 0x44140 4>;
>
> The first region contains the address and length of the MSI
> register set and the second region contains the address of
> the aliased MSIIR register at 0x44140.
>
> Signed-off-by: Diana CRACIUN<Diana.Craciun@freescale•com>
> ---
> .../devicetree/bindings/powerpc/fsl/msi-pic.txt | 6 ++++--
> arch/powerpc/boot/dts/fsl/qoriq-mpic.dtsi | 6 +++---
> 2 files changed, 7 insertions(+), 5 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/powerpc/fsl/msi-pic.txt b/Documentation/devicetree/bindings/powerpc/fsl/msi-pic.txt
> index 5d586e1..5693877 100644
> --- a/Documentation/devicetree/bindings/powerpc/fsl/msi-pic.txt
> +++ b/Documentation/devicetree/bindings/powerpc/fsl/msi-pic.txt
> @@ -6,8 +6,10 @@ Required properties:
> etc.) and the second is "fsl,mpic-msi" or "fsl,ipic-msi" depending on
> the parent type.
>
> -- reg : should contain the address and the length of the shared message
> - interrupt register set.
> +- reg : It may contain one or two regions. The first region should contain
> + the address and the length of the shared message interrupt register set.
> + The second region should contain the address of aliased MSIIR register for
> + platforms that have such an alias.
>
> - msi-available-ranges: use<start count> style section to define which
> msi interrupt can be used in the 256 msi interrupts. This property is
> diff --git a/arch/powerpc/boot/dts/fsl/qoriq-mpic.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-mpic.dtsi
> index b9bada6..08f4227 100644
> --- a/arch/powerpc/boot/dts/fsl/qoriq-mpic.dtsi
> +++ b/arch/powerpc/boot/dts/fsl/qoriq-mpic.dtsi
> @@ -53,7 +53,7 @@ timer@41100 {
>
> msi0: msi@41600 {
> compatible = "fsl,mpic-msi";
> - reg =<0x41600 0x200>;
> + reg =<0x41600 0x200 0x44140 4>;
> msi-available-ranges =<0 0x100>;
> interrupts =<
> 0xe0 0 0 0
> @@ -68,7 +68,7 @@ msi0: msi@41600 {
>
> msi1: msi@41800 {
> compatible = "fsl,mpic-msi";
> - reg =<0x41800 0x200>;
> + reg =<0x41800 0x200 0x45140 4>;
> msi-available-ranges =<0 0x100>;
> interrupts =<
> 0xe8 0 0 0
> @@ -83,7 +83,7 @@ msi1: msi@41800 {
>
> msi2: msi@41a00 {
> compatible = "fsl,mpic-msi";
> - reg =<0x41a00 0x200>;
> + reg =<0x41a00 0x200 0x46140 4>;
> msi-available-ranges =<0 0x100>;
> interrupts =<
> 0xf0 0 0 0
prev parent reply other threads:[~2012-02-01 15:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-01 15:40 [PATCH][upstream] Added aliased MSIIR register address to MSI node in dts Diana Craciun
2012-02-01 15:42 ` Diana CRACIUN [this message]
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