[U-Boot] [PATCH V3 3/3] arm/davinci: spl - add compressed u-boot image support

[Mikhail Kshevetskiy]

On Wed, 11 Jul 2012 00:19:26 +0530
Sughosh Ganu <urwithsughosh at gmail.com> wrote:

> hi Mikhail,
> On Mon Jul 09, 2012 at 10:53:40PM +0400, Mikhail Kshevetskiy wrote:
> > Motivation:
> >  * we have a board with 128 Kb spi flash, so normal u-boot.ais does not
> >    fit on it.
> > 
> > This patch add support of compressed 2-nd u-boot stage. To create a
> > compressed ais image its required:
> >  * define CONFIG_SPL_GUNZIP_SUPPORT --- enable compressed ais image supports
> >  * define CONFIG_SPL_GUNZIP_MAX_SIZE --- define a maximum size of compressed
> >    u-boot part
> >  * define CONFIG_SPL_GUNZIP_LOAD_ADDR --- memory address to load compressed
> >    u-boot part (CONFIG_SPL_GUNZIP_LOAD_ADDR region should not overlap with
> >    CONFIG_SYS_TEXT_BASE region)
> >  * use: make u-boot-gzip.ais to get a compressed ais image
> 
> I don't see any of these macros being defined for any board in your
> patch series. Which boards are they being used on. Also, i think these
> defines need to be added to the README.

Definitely. This modification were created for our omap l138 based board.
The board is in early development state, so i think it's not reasonable to
add it to u-boot for now.

Anyway, I test this changes on da850evm board, so I can resubmit this patch
with defconfig modification for da850evm.

Mikhail