[U-Boot] [PATCH v6 00/15] Add PSCI support for Jetson TK1/Tegra124 + CNTFRQ fix

Ian Campbell
2015-04-14T14:30:14Z

On Tue, 2015-04-14 at 16:12 +0200, Jan Kiszka wrote:
> On 2015-04-14 16:06, Stephen Warren wrote:
> > On 04/14/2015 07:46 AM, Tom Rini wrote:
> >> On Mon, Apr 13, 2015 at 06:48:05AM +0200, Jan Kiszka wrote:
> >>
> >>> Changes in v6:
> >>> - rebased over master
> >>> - included Thierry's SMMU enabling patch
> >>> - moved activation patch at the end so that it can be held back
> >>>
> >>> This version can also be found at
> >>> https://github.com/siemens/u-boot/tree/jetson-tk1-v6.
> >>
> >> So what level of coordination do we need on applying this series so that
> >> kernels (both old and new) can continue to function? And perhaps README
> >> updates or similar? Thanks!
> >
> > Hopefully this series doesn't change anything by default, and simply
> > allows people to turn on support for booting kernels in non-secure mode
> > if they want to? If so, there shouldn't be any co-ordination required.
> > If it changes the default behaviour, co-ordination is probably required,
> > and that'd be a bad thing.
>
> Sorry, forgot to mention: I can't flip the default behaviour to leave
> virtualization support off only for the TK1. That's a generic default.

Would enabling it in the compile but adding "bootm_boot_mode=sec" to the
default environment (so it isn't used by default) be considered
sufficiently backwards compatible?

Ian.