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snippets: xen_dom0: add support for Renesas R-Car Gen3 boards

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Renesas rcar_h3ulcb_ca57 and rcar_salvator_xs_m3 boards support recently
was added to Zephyr mainline. Add Xen control domain guest support for
them via xen_dom0 snippet extention.

Note: please pay attetion to overlay nodes and comments in case of any
issues on your setup.

Signed-off-by: Dmytro Firsov <dmytro_firsov@epam.com>
This commit is contained in:
Dmytro Firsov 2023-08-08 12:47:50 +03:00 • committed by Fabio Baltieri
commit 7f04c352c1
3 changed files with 88 additions and 0 deletions
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41
snippets/xen_dom0/boards/rcar_h3ulcb_ca57.overlay Normal file
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@ -0,0 +1,41 @@
/*
* Copyright (C) 2023 EPAM Systems.
*
* SPDX-License-Identifier: Apache-2.0
*/
/delete-node/ &ram;
/delete-node/ &scif2;
/ {
/*
* This node may differs on different setups, please check
* following line in Xen boot log to set it right:
* (XEN) Grant table range: 0x00000088080000-0x000000880c0000
*
* Xen passes actual values for setup in domain device tree, but Zephyr
* is not capable to parse and handle it in runtime.
*/
hypervisor: hypervisor@88080000 {
compatible = "xen,xen";
reg = <0x0 0x88080000 0x0 0x40000>;
interrupts = <GIC_PPI 0x0 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-parent = <&gic>;
status = "okay";
};
/*
* This node may differs on different setups, because Xen picks
* region for Domain-0 for every specific configuration. You can
* start Xen for your platform and check following log:
* (XEN) Allocating 1:1 mappings for dom0:
* (XEN) BANK[0] 0x00000060000000-0x00000070000000 (256MB)
*
* Xen passes actual values for setup in domain device tree, but Zephyr
* is not capable to parse and handle it in runtime.
*/
ram: memory@60000000 {
device_type = "mmio-sram";
reg = <0x00 0x60000000 0x00 DT_SIZE_M(256)>;
};
};

41
snippets/xen_dom0/boards/rcar_salvator_xs_m3.overlay Normal file
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@ -0,0 +1,41 @@
/*
* Copyright (C) 2023 EPAM Systems.
*
* SPDX-License-Identifier: Apache-2.0
*/
/delete-node/ &ram;
/delete-node/ &scif2;
/ {
/*
* This node may differs on different setups, please check
* following line in Xen boot log to set it right:
* (XEN) Grant table range: 0x00000088080000-0x000000880c0000
*
* Xen passes actual values for setup in domain device tree, but Zephyr
* is not capable to parse and handle it in runtime.
*/
hypervisor: hypervisor@88080000 {
compatible = "xen,xen";
reg = <0x0 0x88080000 0x0 0x40000>;
interrupts = <GIC_PPI 0x0 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-parent = <&gic>;
status = "okay";
};
/*
* This node may differs on different setups, because Xen picks
* region for Domain-0 for every specific configuration. You can
* start Xen for your platform and check following log:
* (XEN) Allocating 1:1 mappings for dom0:
* (XEN) BANK[0] 0x00000060000000-0x00000070000000 (256MB)
*
* Xen passes actual values for setup in domain device tree, but Zephyr
* is not capable to parse and handle it in runtime.
*/
ram: memory@60000000 {
device_type = "mmio-sram";
reg = <0x00 0x60000000 0x00 DT_SIZE_M(256)>;
};
};

6
snippets/xen_dom0/snippet.yml
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@ -7,3 +7,9 @@ boards:
qemu_cortex_a53:
append:
EXTRA_DTC_OVERLAY_FILE: boards/qemu_cortex_a53.overlay
rcar_h3ulcb_ca57:
append:
EXTRA_DTC_OVERLAY_FILE: boards/rcar_h3ulcb_ca57.overlay
rcar_salvator_xs_m3:
append:
EXTRA_DTC_OVERLAY_FILE: boards/rcar_salvator_xs_m3.overlay