[PATCH v6 0/6] firmware: Add initial support for Arm FF-A

[Sudeep Holla]

On Thu, May 20, 2021 at 03:20:46PM +0200, Jens Wiklander wrote:
> On Wed, May 5, 2021 at 11:38 AM Sudeep Holla <sudeep.holla at arm.com> wrote:
> >
> > Hi all,
> >
> > This is very basic implementation for in-kernel support for Arm FF-A
> > specification.
> >
> > Arm Firmware Framework for Armv8-A specification[1] describes a software
> > architecture that provides mechanism to utilise the virtualization
> > extension to isolate software images and describes interfaces that
> > standardize communication between the various software images. This
> > includes communication between images in the Secure and Normal world.
> >
> > The main idea here is to create FFA device to establish any communication
> > with a secure partition. This is currently tested with OPTEE(with changes
> > to OPTEE driver adding FFA as transport)
> >
> > The series can be fetched from [2]
> >
> > --
> > Regards,
> > Sudeep
> >
> > [1] https://developer.arm.com/documentation/den0077/latest
> > [2] git://git.kerniel.org/pub/scm/linux/kernel/git/sudeep.holla/linux.git v5.13/ffa
> 
> Tested OK with my OP-TEE driver patches on top of 755e78187c4e
> ("firmware: arm_ffa: Add support for MEM_* interfaces"), which is the
> latest on the v5.13/ffa branch above.
> 
> Tested-by: Jens Wiklander <jens.wiklander at linaro.org>
> 

Thanks Jens for testing, much appreciated!

-- 
Regards,
Sudeep