[PATCH v2 5/6] arm: Use armv8_switch_to_el1 env to switch to EL1

[Tom Rini]

On Thu, Aug 19, 2021 at 04:53:13PM +0100, Peter Hoyes wrote:

> From: Peter Hoyes <Peter.Hoyes at arm.com>
> 
> Use the environment variable armv8_switch_to_el1 to determine whether
> to switch to EL1 at runtime. This is an alternative to the
> CONFIG_ARMV8_SWITCH_TO_EL1 compile-time option.
> 
> The environment variable will be ineffective if the ARMV8_MULTIENTRY
> config is used.
> 
> This is required by the Armv8r64 architecture, which must be able to
> boot at S-EL1 for Linux but may need to boot at other ELs for other
> systems.
> 
> Signed-off-by: Peter Hoyes <Peter.Hoyes at arm.com>

Applied to u-boot/next, thanks!

-- 
Tom
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