[U-Boot] [Patch 1/1] Spi Flash: Allow auto-booting of images from spi flash load

[Mike Frysinger]

On Wednesday, July 06, 2011 17:51:58 Andre Renaud wrote:
> This allows intelligent booting of FIT (& the legacy style) images from
> SPI flash. Basically it means that you don't have to guess at the image
> length, so data reads are more optimal (& hopefully faster).

this looks like largely a copy & paste job from one of the many existing boot 
funcs.  considering the only unique thing here is the spi flash read, seems 
like it'd make sense to add a new func to common/cmd_bootm.c like 
bootm_load_image().  it'd take a read callback as well as a pointer to data.

as it stands, this patch breaks configs that enable the spi flash command but 
disable the bootm command.
-mike
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