> From: Daniel Baluta <daniel.bal...@nxp.com> > Sent: Thursday, July 18, 2019 6:25 PM > > LSIO subsystem contains 14 MU instances. > > 5 MUs to communicate between AP <-> SCU > - side-A PD range managed by AP > - side-B PD range managed by SCU > > 9 MUs to communicate between all cores (AP/M4/DSP). > - side-A PD range managed by core-A (AP/M4/DSP) > - side-B PD range managed by core-B (AP/M4/DSP). > > Communication between AP <-> DSP is done through the assigned MU number > 13. > > So, we power up side-A by the AP and we decide to power up side-B also from > AP. This is because powering it up from DSP would be painful. > > Powering up side B from DSP would require the DSP to communicate with SCU > and to keep things simple we don't want that now. > > Signed-off-by: Daniel Baluta <daniel.bal...@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.d...@nxp.com> Regards Aisheng
