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feat(fvp): add support for virto-net, virtio-9p and virtio-rng

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Add virtio-net and virtio-9p devices to the devicetree without the
status set. This ensures that the MMIO frame is set, and it is not
fatal to start the driver initialisation procedure, which will
typically bail out if it finds zero virtqueues.

Add the virtio-rng device with status disabled. The disabled status
is chosen because the FVP models have only supported this since 2022
and older models would trigger an external abort when trying to access
or probe this MMIO region.

This is included by the fvp-base devicetrees.

Change-Id: Ia0a853533bb5d619a3d415e35b3217ad3a978ada
Signed-off-by: Diego Sueiro <Diego.Sueiro@arm.com>
Signed-off-by: Debbie Martin <Debbie.Martin@arm.com>
This commit is contained in:
Debbie Martin 2023-10-24 13:51:55 +01:00
parent ba8413ff07
commit 51b8b9c3c4
2 changed files with 23 additions and 1 deletions
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5
fdts/fvp-base-psci-common.dtsi
View file

@ -244,6 +244,9 @@
<0 0 39 &gic 0 GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
<0 0 40 &gic 0 GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
<0 0 41 &gic 0 GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
<0 0 42 &gic 0 GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
<0 0 42 &gic 0 GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
<0 0 43 &gic 0 GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>,
<0 0 44 &gic 0 GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
<0 0 46 &gic 0 GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
};
};

19
fdts/rtsm_ve-motherboard.dtsi
View file

@ -230,6 +230,25 @@
interrupts = <42>;
};
virtio@140000 {
compatible = "virtio,mmio";
reg = <0x140000 0x200>;
interrupts = <43>;
};
virtio@150000 {
compatible = "virtio,mmio";
reg = <0x150000 0x200>;
interrupts = <44>;
};
virtio@200000 {
compatible = "virtio,mmio";
reg = <0x200000 0x200>;
interrupts = <46>;
status = "disabled";
};
rtc@170000 {
compatible = "arm,pl031", "arm,primecell";
reg = <0x170000 0x1000>;