[U-Boot] [PATCH 3/3] arm: omap3: Add SPL support to cm_t35

[Tom Rini]

On Mon, Jun 17, 2013 at 02:53:27PM +0300, Igor Grinberg wrote:
> Hi Stefan,
> 
> On 06/14/13 11:55, Stefan Roese wrote:
> > Add SPL U-Boot support to replace x-loader on the Compulab cm_t35
> > board. Currently only the 256MiB SDRAM board versions are supported.
> > 
> > Tested by booting via MMC and NAND.
> > 
> > Signed-off-by: Stefan Roese <sr at denx.de>
> > Cc: Tom Rini <trini at ti.com>
> > Cc: Igor Grinberg <grinberg at compulab.co.il>
[snip]
> > +/*
> > + * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
> > + * 64 bytes before this address should be set aside for u-boot.img's
> > + * header. That is 0x800FFFC0--0x80100000 should not be used for any
> > + * other needs.
> > + */
> > +#define CONFIG_SYS_TEXT_BASE		0x80100000
> 
> Now this is a problem.
> This breaks the backward compatibility with our X-Loader and we
> cannot just switch to 80100000...

And thinking back to when I was doing more OMAP3 conversions, there's no
requirement to break compatibility with x-loader either.  You just need
to take care where you place things, see doc/SPL/README.omap3 for the
SPL and X-Loader compatible setup.

-- 
Tom
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