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mpsl: Temporary fix to make 54l15/ns functionaly work #21097

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Mar 24, 2025
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mpsl: Temporary fix to make 54l15/ns functionaly work #21097

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19 changes: 19 additions & 0 deletions subsys/mpsl/init/mpsl_init.c
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,10 @@
#include <mpsl/mpsl_work.h>
#include "multithreading_lock.h"
#include <nrfx.h>
#if defined(NRF_TRUSTZONE_NONSECURE)
#include "tfm_platform_api.h"
#include "tfm_ioctl_core_api.h"
#endif
#if IS_ENABLED(CONFIG_SOC_COMPATIBLE_NRF54LX)
#include <nrfx_power.h>
#endif
Expand Down Expand Up @@ -436,6 +440,21 @@ static int32_t mpsl_lib_init_internal(void)
return err;
}
#endif /* MPSL_TIMESLOT_SESSION_COUNT > 0 */
#if defined(NRF_TRUSTZONE_NONSECURE)
/* Temporary fix in order to get mpsl to work well when
* compiling for nrf54l15dk/nrf54l15/cpuapp/ns
*/
uint32_t result_out;
uint32_t result = tfm_platform_mem_write32((uint32_t)&NRF_RRAMC_S->POWER.LOWPOWERCONFIG,
RRAMC_POWER_LOWPOWERCONFIG_MODE_Standby << RRAMC_POWER_LOWPOWERCONFIG_MODE_Pos,
RRAMC_POWER_LOWPOWERCONFIG_MODE_Msk,
&result_out);
(void) result_out;
(void) result;
__ASSERT(result == TFM_PLATFORM_ERR_SUCCESS,
"tfm_platform_mem_write32 failed %i\n", result);
__ASSERT(result_out == 0, "tfm_platform_mem_write32 failed %i\n", result_out);
#endif

return 0;
}
Expand Down