From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [PATCH v3] cmd: pxe: add support for FDT overlays
Date: Wed, 27 Jan 2021 14:22:22 -0500 [thread overview]
Message-ID: <20210127192222.GL7530@bill-the-cat> (raw)
In-Reply-To: <20210120085453.2783678-1-narmstrong@baylibre.com>
On Wed, Jan 20, 2021 at 09:54:53AM +0100, Neil Armstrong wrote:
> This adds support for specifying FDT overlays in an extlinux/pxelinux
> configuration file.
>
> Without this, there is no simple way to apply overlays when the kernel
> and fdt is loaded by the pxe command.
>
> This change adds the 'fdtoverlays' keyword for a label, supporting multiple
> overlay files to be applied on top of the fdt specified in the 'fdt' or
> 'devicetree' keyword.
>
> Example:
> label linux
> kernel /Image
> fdt /soc-board.dtb
> fdtoverlays /soc-board-function.dtbo
> append console=ttyS0,115200 root=/dev/mmcblk0p2 rootwait
>
> This code makes usage of a new variable called fdtoverlay_addr_r used to load
> the overlay files without overwritting anything important.
>
> Cc: Tom Rini <trini@konsulko.com>
> Cc: Andre Heider <a.heider@gmail.com>
> Cc: Jernej ?krabec <jernej.skrabec@siol.net>
> Cc: Jonas Karlman <jonas@kwiboo.se>
> Tested-by: Jernej ?krabec <jernej.skrabec@siol.net>
> Reviewed-by: Jernej ?krabec <jernej.skrabec@siol.net>
> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Applied to u-boot/master, thanks!
--
Tom
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prev parent reply other threads:[~2021-01-27 19:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-20 8:54 [PATCH v3] cmd: pxe: add support for FDT overlays Neil Armstrong
2021-01-27 19:22 ` Tom Rini [this message]
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