[U-Boot] [PATCH v1 2/2] board: colibri_imx7: reserve DDR memory for Cortex-M4

Igor Opaniuk igor.opaniuk at gmail.com
Thu Nov 28 15:21:55 UTC 2019


Hi Stefano,

On Mon, Oct 14, 2019 at 3:40 PM <sbabic at denx.de> wrote:
>
> > From: Igor Opaniuk <igor.opaniuk at toradex.com>
> > i.MX 7's Cortex-M4 core can run from DDR and uses DDR memory for
> > the rpmsg communication. Both use cases need a fixed location of
> > memory reserved. For the rpmsg use case the reserved area needs
> > to be in sync with the kernel's hardcoded vring descriptor location.
> > Use the linux,usable-memory property to carve out 1MB of memory
> > in case the M4 core is running. Also make sure that the i.MX 7
> > specific rpmsg driver does not get loaded in case we do not carve
> > out memory.
> > Signed-off-by: Stefan Agner <stefan.agner at toradex.com>
> > Signed-off-by: Igor Opaniuk <igor.opaniuk at toradex.com>
> > Signed-off-by: Igor Opaniuk <igor.opaniuk at gmail.com>
> > Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov at toradex.com>
>
> Applied to u-boot-imx, master, thanks !

Unfortunately I can't find this commit neither in u-boot-imx/next
neither in u-boot-imx/master.

>
> Best regards,
> Stefano Babic
>
> --
> =====================================================================
> DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de
> =====================================================================
>


-- 
Best regards - Freundliche GrĂ¼sse - Meilleures salutations

Igor Opaniuk

mailto: igor.opaniuk at gmail.com
skype: igor.opanyuk
+380 (93) 836 40 67
http://ua.linkedin.com/in/iopaniuk


More information about the U-Boot mailing list