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[bug#57070] [PATCH] bootloader: extlinux: support for optional FDTDIR

From: Mathieu Othacehe
Subject: [bug#57070] [PATCH] bootloader: extlinux: support for optional FDTDIR
Date: Tue, 30 Aug 2022 08:52:31 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux)

Hey Pavel,

> In other words, if there’s no fdtdir, uboot just passes the fdt_addr to bootm
> command, that means it passes the pointer to device tree loaded by firmware
> (or previous bootloader) to the kernel. If fdt_addr is also missing, it passes
> fdtcontroladdr to the kernel. If all of the previous scenarios don’t work, it
> passes no FDT and kernel boots without device tree, that is absolutely normal
> on some devices, check x86.

Thanks for the clarification,


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