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Re: [PATCH v2 0/4] hw/arm: xlnx-zcu102: Disable unsupported FDT firmware
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From: |
Peter Maydell |
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Subject: |
Re: [PATCH v2 0/4] hw/arm: xlnx-zcu102: Disable unsupported FDT firmware nodes |
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Date: |
Mon, 27 Apr 2020 14:12:37 +0100 |
On Thu, 23 Apr 2020 at 13:11, Edgar E. Iglesias
<address@hidden> wrote:
>
> From: "Edgar E. Iglesias" <address@hidden>
>
> When users try direct Linux runs on the ZynqMP models without enabling
> EL3 (and using appropriate FW) they run into trouble because the
> upstream kernel device-tree has EL3 based firmware nodes by default.
> PSCI firmware nodes work because we emulate the firmware in QEMU.
>
> This series avoids that problem by disabling firmware nodes that the
> machine cannot support due to lack of EL3 or EL2 support.
>
> This means we can now (without manually editing DTBs) run the following
> in a current Linux tree:
>
> qemu-system-aarch64 -M xlnx-zcu102 -m 2G -dtb
> arch/arm64/boot/dts/xilinx/zynqmp-zcu102-rev1.0.dtb -serial mon:stdio -kernel
> arch/arm64/boot/Image -initrd zu-rootfs.cpio.gz -append rdinit=/bin/sh
>
> Cheers,
> Edgar
Applied to target-arm.next, thanks.
-- PMM