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3ba2a7393e
This patch adds the MPUSS OSWR (Open Switch Retention) support. The MPUSS OSWR configuration is as below. - CPUx L1 and logic lost, MPUSS logic lost, L2 memory is retained OMAP4460 onwards, MPUSS power domain doesn't support OFF state any more anymore just like CORE power domain. The deepest state supported is OSWR. On OMAP4430 secure devices too, MPUSS off mode can't be used because of a bug which alters Ducati and Tesla states. Hence MPUSS off mode as an independent state isn't supported on OMAP44XX devices. Ofcourse when MPUSS power domain transitions to OSWR along with device off mode, it eventually hits off state since memory contents are lost. Hence the MPUSS off mode independent state is not attempted without device off mode. All the necessary infrastructure code for MPUSS off mode is in place as part of this series. Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Jean Pihet <j-pihet@ti.com> Reviewed-by: Kevin Hilman <khilman@ti.com> Tested-by: Vishwanath BS <vishwanath.bs@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com> |
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