Messages in this thread Patch in this message | | | From | Liviu Dudau <> | Subject | [PATCH 3/4] arm64: Juno: Add support for the PCIe host bridge on Juno R1 | Date | Fri, 9 Oct 2015 14:45:22 +0100 |
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Juno R1 board sports a functional PCIe host bridge that is compliant with the SBSA standard found here[1]. 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 <Liviu.Dudau@arm.com>
[1] http://infocenter.arm.com/help/topic/com.arm.doc.den0029a/ --- arch/arm64/boot/dts/arm/juno-r1.dts | 20 ++++++++++++++++++++ 1 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..a702a6b 100644 --- a/arch/arm64/boot/dts/arm/juno-r1.dts +++ b/arch/arm64/boot/dts/arm/juno-r1.dts @@ -109,6 +109,26 @@ #include "juno-base.dtsi" + pcie-controller@40000000 { + compatible = "pci-host-ecam-generic"; + device_type = "pci"; + reg = <0 0x40000000 0 0x10000000>; /* ECAM config space */ + bus-range = <0 255>; + linux,pci-domain = <0>; + #address-cells = <3>; + #size-cells = <2>; + dma-coherent; + ranges = <0x01000000 0x00 0x5f800000 0x00 0x5f800000 0x0 0x00800000 + 0x02000000 0x00 0x50000000 0x00 0x50000000 0x0 0x08000000 + 0x42000000 0x40 0x00000000 0x40 0x00000000 0x1 0x00000000>; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &gic 0 0 0 136 4 + 0 0 0 2 &gic 0 0 0 137 4 + 0 0 0 3 &gic 0 0 0 138 4 + 0 0 0 4 &gic 0 0 0 139 4>; + msi-parent = <&v2m_0>; + }; }; &memtimer { -- 2.6.0
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