[U-Boot] [RFD] OMAP5: Working HYP mode

[Alexander Tarasikov]

On Wed, Sep 25, 2013 at 11:57 AM, Andre Przywara
<andre.przywara at linaro.org> wrote:
>
> Alexander,
>
> have you seen my series?

Hi and sorry for the late reply. Yes, seen that.

>
> http://lists.denx.de/pipermail/u-boot/2013-September/163019.html
> [U-Boot] [PATCH v5 0/8] ARMv7: Add HYP mode switching support
>
> I am about to support more boards, but OMAP5 seems very different, probably
> because it starts u-boot in non-secure state already, right?

Correct!

> So all the magic is in the firmware, which just needs to be called by smc
> calls, right?
> So it looks like one could at least use some infrastructure
> (CONFIG_ARMV7_VIRT and the higher level .c files) to properly merge OMAP5
> support in. Also needed would be to make most code of my patch optional by
> using the proper defines.
> What do you think?

I don't know, maybe just add a callback (or define the HYP
initialization routine
as a weak symbol). OMAP5 just works without modifying VBAR or touching anything
except what's mentioned in the patch, so I probably need to read the manual
about virtualization to comment on it.

>
> Regards,
> Andre.
>



-- 
Regards, Alexander