Add suspend to RAM support for nRF54H20 #73095
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Add functions for local domain suspend to RAM. Add matching resume procedure. Add pm_s2ram function for determining source of reset. Add preserving NVIC and MPU state in retained RAM when CPU is powered off during S2RAM procedure. Signed-off-by: Adam Kondraciuk <[email protected]>
Currently function `z_nrf_grtc_wakeup_prepare()` should be available only for the GRTC manager (`CONFIG_NRF_GRTC_START_SYSCOUNTER` is active). Signed-off-by: Adam Kondraciuk <[email protected]>
Fix typo in `PM_S2RAM_CUSTOM_MARKING` description. Signed-off-by: Adam Kondraciuk <[email protected]>
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This PR introduces the suspend to ram feature for nRF54H20 targets.