Re: F19: uImage load addresses with unified kernel

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Hi Brendan,

I may be way of the mark with my suggestions as I am not that familiar
with ARM, but here goes:

On Wed, Mar 27, 2013 at 10:39 AM, Brendan Conoboy <blc@xxxxxxxxxx> wrote:

> The trouble is, there is no unified $ubootAddress available.  The pandaboard
> uses 0x80008000, highbank and tegra use 0x00008000, a10 and exynos5 use
> 0x40008000, and so forth.  Not sure about beaglebone.  If we want to realize
> the dream of having a unified F19 release we need a solution to this
> problem.  I see three options:
>
> 1. Use the 0x00008000 address for highbank/tegra, demand bootz support for
> everybody else.  Since we control the panda/beagle/beaglebone uboots they
> would be covered.  Not clear on what this means for exynos5, but exynos5
> will use an LPAE kernel so that's a separate uimage already.
>
> 2. Generate multiple uImage files from a single kernel, then load the
> appropriate uImage on boot.
>
> 3. Split up images to cope.
>
> All 3 are viable, none are desirable.  Is there a 4th option?  If not, what
> do want to go with?

4. Relocatable kernel (like x86)

5. Have U-Boot process uImage to adjust for load location (U-Boot
already does a similar thing for itself)

Regards,

Graeme
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