[U-Boot] [PATCH] SPL: NOR: Add CONFIG_SPL_NOR_COPY_ENTIRE_IMAGE define to enable whole image copy from NOR

[Tom Rini]

On Tue, Nov 29, 2016 at 11:50:34AM +0100, Marek Vasut wrote:
> On 11/29/2016 10:11 AM, Lukasz Majewski wrote:
> > Hi Marek,
> > 
> >> On 11/28/2016 10:09 PM, Lukasz Majewski wrote:
> >>> This define gives the possibility to copy entire image (including
> >>> header - e.g. u-boot.img) from NOR parallel memory to e.g. SDRAM.
> >>> The current code only supports loading the raw binary image (the
> >>> u-boot.bin).
> >>>
> >>> The legacy behavior is preserved, since other board don't enabled
> >>> this option.
> >>
> >> Sooooo, what's the usecase again ? ;-) 
> > 
> > :-)
> > 
> > The use case is to allow u-boot.img being loaded from Parallel NOR. The
> > current code only supports u-boot.bin.
> 
> Why is u-boot.bin (or the payload) not sufficient ? Why do you need the
> header ?

Well, the general use-case and code flow is that we load u-boot.img (or
a FIT image) and if all else fails, fall back to assuming a .bin and a
known address).

-- 
Tom
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