On Fri, Oct 09, 2015 at 05:57:28PM +0100, Liviu Dudau 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 <liviu.du...@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 > @@ -109,7 +109,26 @@ > > #include "juno-base.dtsi" > > + pcie-controller@40000000 { > + compatible = "arm,juno-r1-pcie", "plda,xpressrich3", > "pci-host-ecam-generic";
Judging by a PLDA press release [1], it looks like Juno uses "XpressRICH3-AXI" [2] rather than "XpressRICH3 for ASIC" [3]. So sorry to bikeshed the name I suggested, but it's probably best to s/plda,xpressrich3/plda,xpressrich3-axi/ With that: Acked-by: Mark Rutland <mark.rutl...@arm.com> I assume that can be fixed up when picking (or prior to a pull) without the need to repost. > + 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>; Minor nit for ranges and interrupt-map, but it'd be good to bracket entries individually, for consistency with what we do elsewhere. Thanks, Mark. [1] https://www.plda.com/arm-0 [2] https://www.plda.com/products/asicfpgasoc-ip/pcie-soft-ip/pcie-30-soft-ip-arm-soc/xpressrich3-axi [3] https://www.plda.com/products/asicfpgasoc-ip/pcie-soft-ip/pcie-30-soft-ip/xpressrich3-pcie-30 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
