[U-Boot] [PATCH v2 17/19] powerpc: ppc4xx: Change from OF_SEPARATE to OF_EMBED
Stefan Roese
sr at denx.de
Thu Feb 19 11:57:20 CET 2015
On 19.02.2015 11:45, Masahiro Yamada wrote:
> On Sat, 7 Feb 2015 11:51:50 -0700
> Simon Glass <sjg at chromium.org> wrote:
>
>> From: Stefan Roese <sr at denx.de>
>>
>> This is necessary, as ppc4xx has the reset vector located at the end
>> of the U-Boot image. This needs to be flashed to the end of the NOR
>> flash. Adding the dtb to the main U-Boot image will break booting
>> on ppc4xx. This patch now embeds the dtb in the U-Boot image instead.
>>
>> Signed-off-by: Stefan Roese <sr at denx.de>
>> Cc: Simon Glass <sjg at chromium.org>
>> Reviewed-by: Simon Glass <sjg at chromium.org>
>> Signed-off-by: Simon Glass <sjg at chromium.org>
>> ---
>
>
> It this a common requirement for PowerPC architecture?
No. Its specific to PPC4xx, and perhaps some other PPC variants. But not
generally for PowerPC.
> If so, does it make sense to change default value only for PowerPC?
Might make sense. Or perhaps even for PPC4xx?
>
> choice
> prompt "Provider of DTB for DT control"
> depends on OF_CONTROL
> default OF_EMBED if PPC
default OF_EMBED if 4xx
Does this work?
Thanks,
Stefan
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