[U-Boot] [RFC PATCH 0/2] Add atmel ROM code image

Bo Shen
2014-04-24T03:03:39Z

Hi Andreas,
Thanks for your work.

On 04/23/2014 10:29 PM, Andreas Bie?mann wrote:
> This series add atmelimage support to mkimage.
>
> An atmelimage is a quite dumb image type cause it has no real header. The file
> is mostly unmodified but the 6'th ARM vector gets replaced by the image size
> to load.
>
> Heiko, I know your approach setting the vector in start.S but I think this
> solution is a bit smarter. We would need to patch at least 2 start.S files
> (arm926ejs and armv7), maybe also the arm920t one too. In fact is the
> conversion of executable BLOB to ROM detected executable BLOB something that
> should really be done afterwards as all other SoC vendors do.
>
>
> Andreas Bie?mann (2):
> mkimage: add atmelimage
> arm:at91: enable ROM loadable atmel image
>
> arch/arm/cpu/armv7/at91/config.mk | 10 +++++
> common/image.c | 1 +
> include/image.h | 1 +
> spl/Makefile | 5 +++
> tools/Makefile | 1 +
> tools/atmelimage.c | 88 +++++++++++++++++++++++++++++++++++++
> tools/imagetool.c | 2 +
> tools/imagetool.h | 1 +
> 8 files changed, 109 insertions(+)
> create mode 100644 arch/arm/cpu/armv7/at91/config.mk
> create mode 100644 tools/atmelimage.c
>

For this patch set, test ok on sama5d33ek with spi flash and mmc boot.

For nand flash boot, it doesn't support to add PMECC header, so only
works in software ECC or none ECC mode (that means, u-boot flash
boot.bin to NAND flash won't work). So, do you plan to add following patch?

Best Regards,
Bo Shen