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[nrf fromlist] drivers: nrf_ironside: dvfs abb analog status workaround #3004

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Merged
nordicjm merged 1 commit into from
Jul 1, 2025
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[nrf fromlist] drivers: nrf_ironside: dvfs abb analog status workaround #3004

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13 changes: 12 additions & 1 deletion drivers/firmware/nrf_ironside/dvfs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,14 @@

static enum ironside_dvfs_oppoint current_dvfs_oppoint = IRONSIDE_DVFS_OPP_HIGH;

#if defined(CONFIG_SOC_SERIES_NRF54HX)
#define ABB_STATUSANA_LOCKED_L_Pos (0UL)
#define ABB_STATUSANA_LOCKED_L_Msk (0x1UL << ABB_STATUSANA_LOCKED_L_Pos)
#define ABB_STATUSANA_REG_OFFSET (0x102UL)
#else
#error "Unsupported SoC series for IRONside DVFS"
#endif

struct dvfs_hsfll_data_t {
uint32_t new_f_mult;
uint32_t new_f_trim_entry;
Expand Down Expand Up @@ -118,7 +126,10 @@ static void ironside_dvfs_change_oppoint_complete(enum ironside_dvfs_oppoint dvf
static inline bool ironside_dvfs_is_abb_locked(NRF_ABB_Type *abb)
{
/* Check if ABB analog part is locked. */
return ((abb->STATUSANA & ABB_STATUSANA_LOCKED_Msk) != 0);
/* Temporary workaround until STATUSANA register is visible. */
volatile const uint32_t *statusana = (uint32_t *)abb + ABB_STATUSANA_REG_OFFSET;

return ((*statusana & ABB_STATUSANA_LOCKED_L_Msk) != 0);
}

/**
Expand Down