[U-Boot] [PATCH v1 2/4] virt-dt: Allow reservation of the secure region when it is in a RAM carveout.

Ian Campbell ijc at hellion.org.uk
Fri Jan 16 10:33:23 CET 2015


On Thu, 2015-01-15 at 16:49 -0700, Stephen Warren wrote:
> On 01/13/2015 12:45 PM, Ian Campbell wrote:
> > In this case the secure code lives in RAM, and hence needs to be reserved, but
> > it has been relocated, so the reservation of __secure_start does not apply.
> >
> > Add support for setting CONFIG_ARMV7_SECURE_RESERVE_SIZE to reserve such a
> > region.
> >
> > This will be used in a subsequent patch for Jetson-TK1
> 
> It's rather hard to review this without any documentation in the README, 
> of the new symbol, or any of the existing:
> 
> CONFIG_ARMV7_NONSEC
> CONFIG_ARMV7_VIRT
> CONFIG_ARMV7_PSCI
> 
> It'd be nice to have a description of what those do exactly, and how 
> they interact or conflict.

Ack, I'll see what I can do about the existing ones too.

Ian.



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