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arm64: Juno: Add support for the PCIe host bridge on Juno R1 

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 <Liviu.Dudau@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>

[1] http://infocenter.arm.com/help/topic/com.arm.doc.den0029a/
This commit is contained in:
Liviu Dudau 2015-09-22 17:50:57 +01:00
parent e8e1dc803f
commit c770d19459
1 changed files with 20 additions and 0 deletions
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20
arch/arm64/boot/dts/arm/juno-r1.dts
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@ -109,6 +109,26 @@ pmu {
#include "juno-base.dtsi"
pcie-controller@40000000 {
compatible = "arm,juno-r1-pcie", "plda,xpressrich3-axi", "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 {