[U-Boot] [PATCH 3/3] mx6: synchronize SPL to u-boot offset

[Max Krummenacher]

Hi Marak

> > --- a/include/configs/imx6_spl.h
> > +++ b/include/configs/imx6_spl.h
> > @@ -23,6 +23,8 @@
> >   *    which consists of a 4K header in front of us that contains
> > the IVT, DCD
> >   *    and some padding thus 'our' max size is really 0x00908000 -
> > 0x00918000
> >   *    or 64KB
> > + *  - Padding between start of SPL(with IVT...) and U-Boot is
> > 68KB, SPL starts
> > + *    at 1KB, U-Boot at 69kB into the storage media.
> >   */
> >  #define CONFIG_SYS_THUMB_BUILD
> >  #define CONFIG_SPL_LDSCRIPT	"arch/arm/cpu/armv7/omap
> > -common/u-boot-spl.lds"
> > @@ -38,6 +40,7 @@
> >  /* MMC support */
> >  #if defined(CONFIG_SPL_MMC_SUPPORT)
> >  #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	138 /*
> > offset 69KB */
> > +#define CONFIG_SPL_PAD_TO			0x11000 /* offset
> > 68KB */
> 
> Does this mess up boards which can boot from both SD and other boot
> media (NAND, SPI NOR, PNOR...) ?

Good point.
CONFIG_SPL_PAD_TO is used to create the combined SPL/U-Boot binary.
While I have not found any use of this by any config which includes
imx6_spl.h it might hinder future boards.
So it's probably best to define CONFIG_SPL_PAD_TO in the individual
board configs and skip this patch.

Max