[U-Boot] [U-Boot, 1/3, v2] common/armflash: Support for ARM flash images

[Tom Rini]

On Sun, Apr 05, 2015 at 01:48:31AM +0200, Linus Walleij wrote:

> The ARM reference designs all use a special flash image format
> that stores a footer (two versions exist) at the end of the last
> erase block of the image in flash memory.
> 
> Version one of the footer is indicated by the magic number
> 0xA0FFFF9F at 12 bytes before the end of the flash block and
> version two is indicated by the magic number 0x464F4F54 0x464C5348
> (ASCII for "FLSHFOOT") in the very last 8 bytes of the erase block.
> 
> This command driver implements support for both versions of the
> AFS images (the name comes from the Linux driver in drivers/mtd/afs.c)
> and makes it possible to list images and load an image by name into
> the memory with these commands:
> 
> afs - lists flash contents
> afs load <image> - loads image to address indicated in the image
> afs load <image> <addres> - loads image to a specified address
> 
> This image scheme is used on the ARM Integrator family, ARM
> Versatile family, ARM RealView family (not yet supported in U-Boot)
> and ARM Versatile Express family up to and including the new
> Juno board for 64 bit development.
> 
> Reviewed-by: Tom Rini <trini at konsulko.com>
> Signed-off-by: Linus Walleij <linus.walleij at linaro.org>

Applied to u-boot/master, since Juno fails to build without this series,
thanks!

-- 
Tom
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