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[fromlist] poweroff: nordic: streamline RAM retention strategy #2313

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[fromlist] poweroff: nordic: streamline RAM retention strategy #2313

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Commits on Nov 29, 2024

  1. [nrf fromlist] soc: nordic: add common symbol for RAM control helper … 

    …presence

Common symbol is defined by SoCs that support RAM control helper.

Upstream PR #: 82262

Signed-off-by: Nikodem Kastelik <[email protected]>
    @nika-nordic
    nika-nordic committed Nov 29, 2024
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  2. [nrf fromlist] drivers: retained_mem: nrf: make ram_ctrl variant expl… 

    …icit

Updated retained_mem driver variant exposes vendor-specific API,
rather than executing implicitly during boot.

Upstream PR #: 82262

Signed-off-by: Nikodem Kastelik <[email protected]>
    @nika-nordic
    nika-nordic committed Nov 29, 2024
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  3. [nrf fromlist] soc: nordic: poweroff: add retention management 

    RAM retention is disabled for all RAM blocks
before entering System OFF to achieve lowest power consumption.
RAM retention can still be enabled using retained_mem driver.

Upstream PR #: 82262

Signed-off-by: Nikodem Kastelik <[email protected]>
    @nika-nordic
    nika-nordic committed Nov 29, 2024
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  4. [nrf fromlist] samples: nordic: system_off: use retained_mem on all t… 

    …argets

Using bare-metal approach for retention configuration
is no longer compatible with sys_poweroff() implementation.

Upstream PR #: 82262

Signed-off-by: Nikodem Kastelik <[email protected]>
    @nika-nordic
    nika-nordic committed Nov 29, 2024
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