[nrf fromlist] soc: nrf54: Port SYS_INIT to use soc_early_init_hook

Port SYS_INIT to use soc_early_init_hook as SYS_INITs are legacy.

Upstream PR #: 88908

Signed-off-by: Sebastian Bøe <[email protected]>

Author: SebastianBoe

soc/nordic/nrf54h/Kconfig

@@ -7,6 +7,7 @@ config SOC_SERIES_NRF54HX
 	select HAS_NRFS
 	select HAS_NRFX
 	select HAS_NORDIC_DRIVERS
+	select SOC_EARLY_INIT_HOOK if ARM
 	select NRF_PLATFORM_HALTIUM
 
 config SOC_NRF54H20_CPUAPP_COMMON

soc/nordic/nrf54h/soc.c

@@ -125,7 +125,7 @@ bool z_arm_on_enter_cpu_idle(void)
 }
 #endif
 
-static int nordicsemi_nrf54h_init(void)
+void soc_early_init_hook(void)
 {
 	int err;
 
@@ -137,9 +137,7 @@ static int nordicsemi_nrf54h_init(void)
 	trim_hsfll();
 
 	err = dmm_init();
-	if (err < 0) {
-		return err;
-	}
+	__ASSERT_NO_MSG(err >= 0);
 
 #if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(ccm030))
 	/* DMASEC is set to non-secure by default, which prevents CCM from
@@ -150,13 +148,9 @@ static int nordicsemi_nrf54h_init(void)
 
 	nrf_spu_periph_perm_dmasec_set(spu, nrf_address_slave_get(ccm030_addr), true);
 #endif
-
-	return 0;
 }
 
 void arch_busy_wait(uint32_t time_us)
 {
 	nrfx_coredep_delay_us(time_us);
 }
-
-SYS_INIT(nordicsemi_nrf54h_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);