Re: [PATCH v4 2/3] arm64: Juno: Add support for the PCIe host bridge on Juno R1

[Liviu Dudau]

On Tue, Oct 20, 2015 at 11:33:13AM +0800, Alex Shi wrote:
>    Is there any concern to merge the juno r1 pcie DT part into upstream?

Not that I've heard of. I've asked Catalin and Will if they need a pull request to get
the patch into the arm64 tree but I haven't got an answer yet.

Catalin, Will, are you OK with pulling this patch into arm64 and if so do you want
me to send a different pull request or are you happy to fetch it from the git tree

git://linux-arm.org/linux-ld.git for-upstream/juno-pcie.

Best regards,
Liviu

>    On Fri, Oct 16, 2015 at 11:22 PM, Liviu Dudau <[1]Liviu.Dudau@xxxxxxx> wrote:
> 
>      Juno R1 board sports a functional PCIe host bridge that is
>      compliant with the SBSA standard found [1] here. With the right
>      firmware that initialises the XpressRICH3 controller one can
>      use the generic Host Bridge driver to use the PCIe hardware.
> 
>      Signed-off-by: Liviu Dudau <[2]Liviu.Dudau@xxxxxxx>
>      Acked-by: Mark Rutland <[3]mark.rutland@xxxxxxx>
> 
>      [1] [4]http://infocenter.arm.com/help/topic/com.arm.doc.den0029a/
>      ---
>      Âarch/arm64/boot/dts/arm/juno-r1.dts | 20 ++++++++++++++++++++
>      Â1 file changed, 20 insertions(+)
> 
>      diff --git a/arch/arm64/boot/dts/arm/juno-r1.dts b/arch/arm64/boot/dts/arm/juno-r1.dts
>      index c627511..a25964d 100644
>      --- a/arch/arm64/boot/dts/arm/juno-r1.dts
>      +++ b/arch/arm64/boot/dts/arm/juno-r1.dts
>      @@ -109,6 +109,26 @@
> 
>      Â Â Â Â #include "juno-base.dtsi"
> 
>      +Â Â Â Âpcie-controller@40000000 {
>      +Â Â Â Â Â Â Â Âcompatible = "arm,juno-r1-pcie", "plda,xpressrich3-axi", "pci-host-ecam-generic";
>      +Â Â Â Â Â Â Â Âdevice_type = "pci";
>      +Â Â Â Â Â Â Â Âreg = <0 0x40000000 0 0x10000000>;Â Â Â /* ECAM config space */
>      +Â Â Â Â Â Â Â Âbus-range = <0 255>;
>      +Â Â Â Â Â Â Â Âlinux,pci-domain = <0>;
>      +Â Â Â Â Â Â Â Â#address-cells = <3>;
>      +Â Â Â Â Â Â Â Â#size-cells = <2>;
>      +Â Â Â Â Â Â Â Âdma-coherent;
>      +Â Â Â Â Â Â Â Âranges = <0x01000000 0x00 0x5f800000 0x00 0x5f800000 0x0 0x00800000>,
>      +Â Â Â Â Â Â Â Â Â Â Â Â <0x02000000 0x00 0x50000000 0x00 0x50000000 0x0 0x08000000>,
>      +Â Â Â Â Â Â Â Â Â Â Â Â <0x42000000 0x40 0x00000000 0x40 0x00000000 0x1 0x00000000>;
>      +Â Â Â Â Â Â Â Â#interrupt-cells = <1>;
>      +Â Â Â Â Â Â Â Âinterrupt-map-mask = <0 0 0 7>;
>      +Â Â Â Â Â Â Â Âinterrupt-map = <0 0 0 1 &gic 0 0 0 136 4>,
>      +Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â<0 0 0 2 &gic 0 0 0 137 4>,
>      +Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â<0 0 0 3 &gic 0 0 0 138 4>,
>      +Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â<0 0 0 4 &gic 0 0 0 139 4>;
>      +Â Â Â Â Â Â Â Âmsi-parent = <&v2m_0>;
>      +Â Â Â Â};
>      Â};
> 
>      Â&memtimer {
>      --
>      2.6.0
> 
>      --
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>    --
>    Thanks
>    Â Â Alex
> 
> References
> 
>    Visible links
>    1. mailto:Liviu.Dudau@xxxxxxx
>    2. mailto:Liviu.Dudau@xxxxxxx
>    3. mailto:mark.rutland@xxxxxxx
>    4. http://infocenter.arm.com/help/topic/com.arm.doc.den0029a/
>    5. mailto:majordomo@xxxxxxxxxxxxxxx
>    6. http://vger.kernel.org/majordomo-info.html
>    7. http://www.tux.org/lkml/

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