[PATCH v3] ARM: imx: add smp support for imx7d

[Shawn Guo]

On Tue, May 25, 2021 at 09:14:16PM -0300, Fabio Estevam wrote:
> From: Anson Huang <b20788 at freescale.com>
> 
> Add SMP support for i.MX7D, including CPU hotplug support, for
> systems where TFA is not present.
> 
> The motivation for bringing up the second i.MX7D core inside the kernel
> is that legacy vendor bootloaders usually do not implement PSCI support.
> 
> This is a significant blocker for systems in the field that are running old
> bootloader versions to upgrade to a modern mainline kernel version, as only
> one CPU of the i.MX7D would be brought up.
> 
> Bring up the second i.MX7D core inside the kernel to make the migration
> path to mainline kernel easier for the existing iMX7D users.
> 
> Signed-off-by: Anson Huang <b20788 at freescale.com>
> Signed-off-by: Arulpandiyan Vadivel <arulpandiyan_vadivel at mentor.com> # Fix merge conflicts
> Signed-off-by: Leonard Crestez <leonard.crestez at nxp.com>
> Signed-off-by: Marek Vasut <marex at denx.de> # heavy cleanup
> Signed-off-by: Fabio Estevam <festevam at denx.de>

Applied, thanks.