[U-Boot] [PATCH v2 2/2] cmd: Add 'bcb' command to read/modify/write BCB fields

[Lukasz Majewski <lukma@denx.de>]

Hi Alex,

> On Mon, May 20, 2019 at 8:23 AM Eugeniu Rosca <erosca@de.adit-jv.com>
> wrote:
> >  
> > >
> > > Should it default to enabled if avb is used?  
> >
> > I think at this specific moment in time, 'bcb' is orthogonal
> > (meaning it is neither a direct, nor a reverse dependency) to any
> > other Android feature in U-Boot. This could be re-assessed, if
> > platform maintainers start to rely on 'bcb' in their U-Boot
> > environments on regular basis. 
> 
> 'bcb' looks like something I'd be interested in, not running Android
> at all... currently I (ab)use the bootcounter to communicate between
> the kernel and U-Boot when I want to force a board through recovery,

I don't know your exact use case, but wouldn't it be better to use envs
(with redundancy) and fw_setenv / fw_printenv from Linux user space?

Now those envs even support setting default values for u-boot (as there
is now separate library used for it). Moreover there is OE/Yocto's
recipe 'u-boot-fw-utils' which can be easily used and installed.

> but this looks like something that might well give me a better
> interface.
> 



Best regards,

Lukasz Majewski

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