[U-Boot-Users] ubi and u-boot
Josh Boyer
jwboyer at gmail.com
Fri Apr 18 15:19:01 EDT 2008
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
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