SPRUHZ7K August 2015 – April 2024 AM5706 , AM5708 , AM5716 , AM5718 , AM5718-HIREL
The PRM_IO_PMCTRL[4] ISOOVR_EXTEND bit allows extending the non-EMIF I/O isolation. This feature can be used by software to restore modules driving output, such as GPIO, while non-EMIF I/Os are still isolated. Once software completes the relevant module restore, it clears the bit and hardware performs full-isolation-to-EMIF on the hardware-controlled I/O transition.
The PRM_IO_PMCTRL[5] IO_ON_STATUS bit is available for software to check completion of the EMIF on transition.