Re: [PATCH 0/3] Add SMP support for i.MX7D

[Fabio Estevam]

Hi Anson,

On Fri, Aug 26, 2016 at 8:12 AM, Anson Huang <Anson.Huang@xxxxxxx> wrote:
> i.MX7D has 2 Cortex-A7 ARM cores, and it has a different GPC design
> than i.MX6, so this patch set adds a new GPCV2 driver for i.MX7D,
> and also adds runtime check in SMP code to support both Cortex-A9
> and Cortex-A7 ARM cores.
>
> With this patch set, i.MX7D can boot up SMP kernel with 2 CPUs.

Currently mx7d can boot the 2 CPUs if you use PSCI in the bootloader.

Give mainline U-Boot a try and it will boot the 2 CPUs via PSCI.

There was an attempt to add gpcv2 support at:
https://patchwork.kernel.org/patch/6919831/

, and Shawn suggested to go to the PSCI approach.

PSCI for mx7 is still missing suspend support though.

Regards,

Fabio Estevam