[U-Boot] SPI flash writing

[Tom Rini]

On Tue, Mar 13, 2012 at 10:31:02PM +0100, Falauto, Gerlando wrote:
> 
> >-----Original Message-----
> >From: Mike Frysinger [mailto:vapier at gentoo.org]
> >Sent: Tue 13.03.2012 21:35
> >To: Jason Cooper
> >Cc: Falauto, Gerlando; u-boot; Brunck, Holger
> >Subject: Re: [U-Boot] SPI flash writing
>  
> >On Tuesday 13 March 2012 16:17:52 Jason Cooper wrote:
> >> On Tue, Mar 13, 2012 at 04:11:29PM -0400, Mike Frysinger wrote:
> >> > On Tuesday 13 March 2012 14:25:07 Gerlando Falauto wrote:
> >> > > 2) an out-of-boundary-check againts the flash size so at least a
> >> > > warning is issued when you use too big a size value
> >> > 
> >> > i'm not sure about this.  if you want to do size checking, then enable
> >> > the hush shell and do it in a script.
> >> 
> >> Is there a programatic way to get the size of the flash at runtime from
> >> the hush script?
> 
> >no.  question is, do you really need that ?  sounds like you know ahead of 
> >time how big the space is for u-boot, so the size of the flash doesn't matter.
> 
> Can't the same command also be used for burning something *other than* u-boot (e.g. a kernel, config section, or something like that)?
> So the size of the flash *does matter*, doesn't it?

How about using mtdparts which I think will tell you when you're going
to write something larger than the defined partition?  If it doesn't,
that would be a handy thing to add (and be a general feature too).

-- 
Tom