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Enable going to System off with TF-M #3330

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ad27263
[hopefully_fromtree] soc: nordic: Support TF-M for poweroff
Vge0rge Sep 30, 2025
b6b388a
[hopefully_fromtree]soc: nordic: nrf54l: Disable NORDIC_RAM_CTRL for …
Vge0rge Sep 30, 2025
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11 changes: 9 additions & 2 deletions soc/nordic/common/poweroff.c
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,9 @@
#include <zephyr/toolchain.h>
#include <zephyr/drivers/retained_mem/nrf_retained_mem.h>

#if defined(CONFIG_SOC_SERIES_NRF51X) || defined(CONFIG_SOC_SERIES_NRF52X)
#if defined(CONFIG_BUILD_WITH_TFM)
#include "tfm_platform_api.h"
#elif defined(CONFIG_SOC_SERIES_NRF51X) || defined(CONFIG_SOC_SERIES_NRF52X)
#include <hal/nrf_power.h>
#elif defined(CONFIG_SOC_SERIES_NRF54HX)
#include <power.h>
Expand Down Expand Up @@ -65,12 +67,17 @@ void z_sys_poweroff(void)
#endif

#if defined(CONFIG_SOC_SERIES_NRF54LX)
#if !defined(CONFIG_BUILD_WITH_TFM)
/* Set VPR to remain in its reset state when waking from OFF */
nrf_memconf_ramblock_ret_enable_set(NRF_MEMCONF, VPR_POWER_IDX, VPR_RET_BIT, false);
#endif

nrfx_reset_reason_clear(UINT32_MAX);
#endif
#if defined(CONFIG_SOC_SERIES_NRF51X) || defined(CONFIG_SOC_SERIES_NRF52X)

#if defined(CONFIG_BUILD_WITH_TFM)
tfm_platform_system_off();
#elif defined(CONFIG_SOC_SERIES_NRF51X) || defined(CONFIG_SOC_SERIES_NRF52X)
nrf_power_system_off(NRF_POWER);
#elif defined(CONFIG_SOC_SERIES_NRF54HX)
nrf_poweroff();
Expand Down
2 changes: 1 addition & 1 deletion soc/nordic/nrf54l/Kconfig
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Expand Up @@ -21,7 +21,7 @@ config SOC_NRF54L_CPUAPP_COMMON
select CPU_HAS_FPU
select HAS_HW_NRF_RADIO_IEEE802154
select HAS_POWEROFF
select HAS_NORDIC_RAM_CTRL
select HAS_NORDIC_RAM_CTRL if !BUILD_WITH_TFM
select HAS_SWO

config SOC_NRF54L05_CPUAPP
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