iq-x7181-evk: add x1 el2 DTBO building and FIT DTB mapping by xinlon-z · Pull Request #2234 · qualcomm-linux/meta-qcom

Xinzheng Long (xinlon-z) · 2026-05-19T08:43:52Z

KVM support on IQ-X7181 Evaluation Kit requires applying the el2 DTBO at boot. Add FIT_DTB_COMPATIBLE entries to allow UEFI to correctly match and apply the x1-el2.dtbo overlay when booting with KVM.

Generated ITS file overview

$ cat build/tmp/deploy/images/iq-x7181-evk/qclinux-fit-image.its
/dts-v1/;

/ {
        description = "Kernel fitImage for Qualcomm Linux Reference Distro/7.0+git/iq-x7181-evk";
        #address-cells = <1>;
        images {
                fdt-qcom-metadata.dtb {
                        description = "Flattened Device Tree blob";
                        type = "qcom_metadata";
                        compression = "none";
                        data = /incbin/("/local/mnt/workspace/xinlon/work/hamoa_mainline/build/tmp/work/iq_x7181_evk-qcom-linux/linux-qcom-next/7.0+git/linux-qcom-next-7.0+git/arch/arm64/boot/dts/qcom/qcom-metadata.dtb");
                        arch = "arm64";
                };
                fdt-x1-el2.dtbo {
                        description = "Flattened Device Tree blob";
                        type = "flat_dt";
                        compression = "none";
                        data = /incbin/("/local/mnt/workspace/xinlon/work/hamoa_mainline/build/tmp/work/iq_x7181_evk-qcom-linux/linux-qcom-next/7.0+git/linux-qcom-next-7.0+git/arch/arm64/boot/dts/qcom/x1-el2.dtbo");
                        arch = "arm64";
                };
                fdt-hamoa-iot-evk.dtb {
                        description = "Flattened Device Tree blob";
                        type = "flat_dt";
                        compression = "none";
                        data = /incbin/("/local/mnt/workspace/xinlon/work/hamoa_mainline/build/tmp/work/iq_x7181_evk-qcom-linux/linux-qcom-next/7.0+git/linux-qcom-next-7.0+git/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dtb");
                        arch = "arm64";
                };
                fdt-hamoa-evk-camx.dtbo {
                        description = "Flattened Device Tree blob";
                        type = "flat_dt";
                        compression = "none";
                        data = /incbin/("/local/mnt/workspace/xinlon/work/hamoa_mainline/build/tmp/work/iq_x7181_evk-qcom-linux/linux-qcom-next/7.0+git/linux-qcom-next-7.0+git/arch/arm64/boot/dts/qcom/hamoa-evk-camx.dtbo");
                        arch = "arm64";
                };
                fdt-hamoa-iot-evk-camera-imx577.dtbo {
                        description = "Flattened Device Tree blob";
                        type = "flat_dt";
                        compression = "none";
                        data = /incbin/("/local/mnt/workspace/xinlon/work/hamoa_mainline/build/tmp/work/iq_x7181_evk-qcom-linux/linux-qcom-next/7.0+git/linux-qcom-next-7.0+git/arch/arm64/boot/dts/qcom/hamoa-iot-evk-camera-imx577.dtbo");
                        arch = "arm64";
                };
        };
        configurations {
                conf-1 {
                        description = "FDT Blob";
                        fdt = "fdt-hamoa-iot-evk.dtb", "fdt-hamoa-iot-evk-camera-imx577.dtbo";
                        compatible = "qcom,hamoa-evk";
                };
                conf-2 {
                        description = "FDT Blob";
                        fdt = "fdt-hamoa-iot-evk.dtb", "fdt-hamoa-iot-evk-camera-imx577.dtbo", "fdt-x1-el2.dtbo";
                        compatible = "qcom,hamoa-evk-el2kvm";
                };
                conf-3 {
                        description = "FDT Blob";
                        fdt = "fdt-hamoa-iot-evk.dtb", "fdt-hamoa-evk-camx.dtbo";
                        compatible = "qcom,hamoa-evk-camx";
                };
        };
};

Related PR: qualcomm-linux/qcom-dtb-metadata#89

KVM Boot log:

root@iq-x7181-evk:~# dmesg | grep kvm
[    0.093554] kvm [1]: nv: 570 coarse grained trap handlers
[    0.093691] kvm [1]: nv: 710 fine grained trap handlers
[    0.093775] kvm [1]: IPA Size Limit: 44 bits
[    0.093785] kvm [1]: GICv4 support disabled
[    0.093786] kvm [1]: GICv3: no GICV resource entry
[    0.093786] kvm [1]: disabling GICv2 emulation
[    0.093801] kvm [1]: GIC system register CPU interface enabled
[    0.093807] kvm [1]: vgic interrupt IRQ9
[    0.093830] kvm [1]: Broken CNTVOFF_EL2, trapping virtual timer
[    0.093835] kvm [1]: VHE mode initialized successfully
root@iq-x7181-evk:~# ls -alh /dev/kvm
crw-rw-rw- 1 root kvm 10, 232 Mar 13 15:35 /dev/kvm

github-actions · 2026-05-19T23:26:37Z

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qcom-distro_linux-qcom-6.18
Pass: 219 | Fail: 2 | Total: 247

test-reporting-app · 2026-05-19T23:27:04Z

Test Results

103 files + 34 628 suites +272 6h 47m 42s ⏱️ + 3h 31m 32s
132 tests + 5 96 ✅ - 8 2 💤 + 2 34 ❌ +11
5 962 runs +2 612 5 836 ✅ +2 557 84 💤 +41 42 ❌ +14

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Results for commit 6e835a4. ± Comparison against base commit 28629bd.

♻️ This comment has been updated with latest results.

github-actions · 2026-05-22T14:50:23Z

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qcom-distro_linux-qcom-6.18
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github-actions · 2026-05-22T17:44:57Z

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qcom-distro_linux-qcom-6.18
Pass: 222 | Fail: 1 | Total: 249

github-actions · 2026-05-25T13:10:41Z

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Test jobs for commit `589e7d8`

qcom-distro
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nodistro
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qcom-distro_linux-qcom-6.18
Pass: 214 | Fail: 3 | Total: 245

github-actions · 2026-05-25T14:59:25Z

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qcom-distro
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qcom-distro_linux-qcom-6.18
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github-actions · 2026-05-25T16:18:16Z

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qcom-distro
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nodistro
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qcom-distro_linux-qcom-6.18
Pass: 220 | Fail: 3 | Total: 249

github-actions · 2026-05-29T17:22:08Z

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Test jobs for commit `589e7d8`

qcom-distro_linux-qcom-6.18
Pass: 228 | Fail: 3 | Total: 249

qcom-distro
Pass: 266 | Fail: 3 | Total: 296

nodistro
Pass: 9 | Fail: 0 | Total: 9

Ricardo Salveti (ricardosalveti) · 2026-05-29T22:54:36Z

Do we need this for wrynose?

Xinzheng Long (xinlon-z) · 2026-06-01T08:58:32Z

Please rebase and adjust your changes based on #2305.

Done, rebased to the latest FIT DTB config format

KVM support on IQ-X5121 Evaluation Kit requires applying the el2 DTBO at boot. Add FIT_DTB_COMPATIBLE entries to allow UEFI to correctly match and apply the x1-el2.dtbo(shared the same one with IQ-X7181 #2234 ) overlay when booting with KVM. Generated ITS file overview ``` $ cat build/tmp/deploy/images/iq-x5121-evk/qclinux-fit-image.its /dts-v1/; / { description = "Kernel fitImage for Qualcomm Linux Reference Distro/7.0+git/iq-x5121-evk"; #address-cells = <1>; images { fdt-qcom-metadata.dtb { description = "Flattened Device Tree blob"; type = "qcom_metadata"; compression = "none"; data = /incbin/("/local/mnt/workspace/xinlon/work/purwa-mainline/build/tmp/work/iq_x5121_evk-qcom-linux/linux-qcom-next/7.0+git/build/arch/arm64/boot/dts/qcom/qcom-metadata.dtb"); arch = "arm64"; }; fdt-x1-el2.dtbo { description = "Flattened Device Tree blob"; type = "flat_dt"; compression = "none"; data = /incbin/("/local/mnt/workspace/xinlon/work/purwa-mainline/build/tmp/work/iq_x5121_evk-qcom-linux/linux-qcom-next/7.0+git/build/arch/arm64/boot/dts/qcom/x1-el2.dtbo"); arch = "arm64"; }; fdt-purwa-iot-evk.dtb { description = "Flattened Device Tree blob"; type = "flat_dt"; compression = "none"; data = /incbin/("/local/mnt/workspace/xinlon/work/purwa-mainline/build/tmp/work/iq_x5121_evk-qcom-linux/linux-qcom-next/7.0+git/build/arch/arm64/boot/dts/qcom/purwa-iot-evk.dtb"); arch = "arm64"; }; }; configurations { conf-1 { description = "FDT Blob"; fdt = "fdt-purwa-iot-evk.dtb"; compatible = "qcom,purwa-evk"; }; conf-2 { description = "FDT Blob"; fdt = "fdt-purwa-iot-evk.dtb", "fdt-x1-el2.dtbo"; compatible = "qcom,purwa-evk-el2kvm"; }; }; }; ``` KVM Boot log: ``` root@iq-x5121-evk:~# dmesg | grep kvm [ 0.092851] kvm [1]: nv: 570 coarse grained trap handlers [ 0.092985] kvm [1]: nv: 710 fine grained trap handlers [ 0.093060] kvm [1]: IPA Size Limit: 44 bits [ 0.093071] kvm [1]: GICv4 support disabled [ 0.093072] kvm [1]: GICv3: no GICV resource entry [ 0.093073] kvm [1]: disabling GICv2 emulation [ 0.093088] kvm [1]: GIC system register CPU interface enabled [ 0.093100] kvm [1]: vgic interrupt IRQ9 [ 0.093119] kvm [1]: Broken CNTVOFF_EL2, trapping virtual timer [ 0.093123] kvm [1]: VHE mode initialized successfully root@iq-x5121-evk:~# ls -alh /dev/kvm crw-rw-rw- 1 root kvm 10, 232 Mar 13 15:35 /dev/kvm ``` Pending by issue: #1962

Xinzheng Long (xinlon-z) · 2026-06-03T10:19:34Z

rebased to latest commit

github-actions · 2026-06-04T18:20:14Z

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qcom-distro_linux-qcom-6.18
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qcom-distro
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nodistro
Pass: 9 | Fail: 0 | Total: 9

github-actions · 2026-06-04T23:38:02Z

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qcom-distro_linux-qcom-6.18
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qcom-distro
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nodistro
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github-actions · 2026-06-05T14:07:11Z

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qcom-distro_linux-qcom-6.18
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Dmitry Baryshkov (lumag) · 2026-06-05T18:49:29Z

This should be merged after #2082

Xinzheng Long (xinlon-z) · 2026-06-17T10:53:43Z

This should be merged after #2082

hi Ricardo Salveti (@ricardosalveti) Dmitry Baryshkov (@lumag) , I noticed that PR #2082 has already been closed. Could this PR be merged first?

github-actions · 2026-06-17T15:53:05Z

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Pass: 246 | Fail: 2 | Total: 297

Dmitry Baryshkov (lumag)

We can't switch yet to FIT DTB mapping. The dtb.bin is a part of SPI NOR and it is not being reflashed because of the issue on the LAVA side (the fix is only a part of the unreleased QDL). We are waiting for it to be fixed. Until then, the FIT DTB needs to be disabled for IQ-X7181 EVK.

github-actions · 2026-06-17T18:04:18Z

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qcom-distro
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Bhargav-qcom (bhargav0610) · 2026-06-22T10:16:33Z

Pls comiple a fresh build and invoke testing

KVM support on iq-x7181-evk requires the X1 EL2 DTBO. To support this enable EL2 DTB overlay generation on kernel DT list. Signed-off-by: Xinzheng Long <xinzheng.long@oss.qualcomm.com>

Xinzheng Long (xinlon-z) · 2026-06-23T10:36:20Z

releted-PR: #2349

github-actions · 2026-06-23T17:08:09Z

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qcom-distro_linux-qcom-6.18
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qcom-distro
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Xinzheng Long (xinlon-z) force-pushed the hamoa-kvm-fit-dtb branch from dab0278 to c63d267 Compare May 19, 2026 10:13

Xinzheng Long (xinlon-z) marked this pull request as ready for review May 19, 2026 10:29

Xinzheng Long (xinlon-z) requested review from Anuj Mittal (anujm1), Koen Kooi (koenkooi), Dmitry Baryshkov (lumag), Nicolas Dechesne (ndechesne), Ricardo Salveti (ricardosalveti), sbanerjeeqc and Viswanath Kraleti (vkraleti) as code owners May 19, 2026 10:29

Xinzheng Long (xinlon-z) changed the title ~~fit-dtb-compatible: add el2 DTBO mapping for IQ-X7181 Evaluation Kit~~ iq-x7181-evk: add x1 el2 DTBO building and mapping for IQ-X7181 Evaluation Kit May 19, 2026

Xinzheng Long (xinlon-z) changed the title ~~iq-x7181-evk: add x1 el2 DTBO building and mapping for IQ-X7181 Evaluation Kit~~ iq-x7181-evk: add x1 el2 DTBO building and FIT DTB mapping May 19, 2026

Xinzheng Long (xinlon-z) marked this pull request as draft May 19, 2026 11:34

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iq-x5121-evk: add x1 el2 DTBO building and FIT DTB mapping #2248

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Xinzheng Long (xinlon-z) marked this pull request as ready for review May 22, 2026 11:31

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Enable EL2 DTBO support for Hamoa and Purwa platforms #2311

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Xinzheng Long (xinlon-z) added 2 commits June 23, 2026 18:28

iq-x7181-evk.conf: add x1 DTBO to kernel DT list

ca60801

KVM support on iq-x7181-evk requires the X1 EL2 DTBO. To support this enable EL2 DTB overlay generation on kernel DT list. Signed-off-by: Xinzheng Long <xinzheng.long@oss.qualcomm.com>

iq-x7181-evk.conf: add x1 DTBO to kernel DT list

6e835a4

KVM support on iq-x7181-evk requires the X1 EL2 DTBO. To support this enable EL2 DTB overlay generation on kernel DT list. Signed-off-by: Xinzheng Long <xinzheng.long@oss.qualcomm.com>

Xinzheng Long (xinlon-z) force-pushed the hamoa-kvm-fit-dtb branch from 480c7ac to 6e835a4 Compare June 23, 2026 10:28

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