Hello,
On Thu, 21 Apr 2016 11:24:56 -0400
"[email protected]" <[email protected]> wrote:
> The manual is very sparse on this subject. Does anyone know what order
> it looks at the MMC options?
>
> For example - MMC flash and an SD Card socket. For brick recovery it
> should be possible to put in an SD Card with a proper boot sector
> (right signature) and then boot from the SD Card overriding the MMC
> flash.
We don't have full details yet, but it looks like the boot order
on Allwinner A64 is somewhat similar to
https://linux-sunxi.org/Boot#A31
For example, the Jide Remix Mini device boots from the internal
eMMC by default, but the user can override the boot order by
pressing the FEL button:
https://linux-sunxi.org/Jide_Remix_Mini#FEL_mode
And if I understand it correctly, most of the Allwinner based devices
(at least the ones which do not deviate from the reference schematics)
are perfectly unbrickable:
http://lists.infradead.org/pipermail/linux-arm-kernel/2015-October/380686.html
When somebody gets an A64 tablet, I strongly suspect that one of the
volume control buttons is going to be connected to the FEL pin too.
But we can't be 100% sure until somebody confirms this.
Why are you asking this question?
--
Best regards,
Siarhei Siamashka
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