[U-Boot-Users] ubi and u-boot

[Josh Boyer]

On Fri, 2008-04-18 at 17:59 +0100, Jamie Lokier wrote:
> Josh Boyer wrote:
> > On Fri, 2008-04-18 at 22:21 +0800, Bernard Blackham wrote:
> > > [apologies for the cross post]
> > > Is anyone working on ubi/ubifs support in u-boot?
> > 
> > I am not aware of anyone actively working on porting UBI to upstream
> > U-Boot at this exact moment.
> 
> Is it even a good idea?  The UBI (version 1 :-) initial scan is not
> fast for large flash, and if the bootloader does it too, that's twice
> as much time to boot.

It's a good idea, yes.  Particularly if you want to boot from NAND
flash.

Can you define "large device"?  It only scans the first 1 or 2 pages for
each eraseblock to build up the volume tables.  That really isn't that
slow...

> However, if there was a protocol for bootloader to pass the scan
> results to the booted kernel, that would be very nice.

Maybe.  I was never fully convinced of that.

josh