[PATCH V2 33/53] imx: imx9: Add M33 release prepare function

sbabic at denx.de sbabic at denx.de
Tue Jul 26 15:52:36 CEST 2022

> From: Peng Fan <peng.fan at nxp.com>
> To support on-demand booting M33 image from A core. SPL needs
> to follow M33 kick up sequence to release M33 firstly,
> then set M33 CPUWAIT signal. ATF will clear CPUWAIT to kick
> M33 to run.
> The prepare function also works around the M33 TCM ECC issue by
> clean the TCM. Also enable sentinel handshake and WDOG1 clock
> for M33 stop and reset.
> Signed-off-by: Ye Li <ye.li at nxp.com>
> Signed-off-by: Peng Fan <peng.fan at nxp.com>
Applied to u-boot-imx, master, thanks !

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

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