[PATCH v3] bootm: add global.bootm.root_dev env var for booting via PARTUUID

[Sascha Hauer]

On Mon, Aug 10, 2020 at 02:20:08PM +0200, Robert Karszniewicz wrote:
> Introduces a new env var which specifies which device is the rootfs
> device to be used in Linux, passed to Linux via bootargs, identified by
> the rootfs partition's PARTUUID.
> 
> global.bootm.root_dev supplements global.bootm.appendroot, in that it
> overrides appendroot's naïve default, which picks the partition that the
> kernel resides on (global.bootm.image).
> 
> Example:
> detect mmc2
> global.bootm.image='/mnt/mmc2.0/zImage'
> global.bootm.appendroot=1
> global.bootm.root_dev=/dev/mmc2.1
> boot mmc
> 
> Signed-off-by: Robert Karszniewicz <r.karszniewicz at phytec.de>
> ---

Applied, thanks

Sascha

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