[nrf fromlist] cpuconf: Boot the radiocore from the app in soc_late_init_hook

Boot the radiocore from the app in soc_late_init_hook.

Upstream PR #: 88908

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

Author: SebastianBoe

soc/nordic/nrf54h/Kconfig

@@ -8,6 +8,7 @@ config SOC_SERIES_NRF54HX
 	select HAS_NRFX
 	select HAS_NORDIC_DRIVERS
 	select SOC_EARLY_INIT_HOOK if ARM
+	select SOC_LATE_INIT_HOOK if SOC_NRF54H20_CPURAD_ENABLE
 	select NRF_PLATFORM_HALTIUM
 
 config SOC_NRF54H20_CPUAPP_COMMON
@@ -64,6 +65,14 @@ config SOC_NRF54H20_CPURAD_COMMON
 	select HAS_PM
 	select HAS_POWEROFF
 
+config SOC_NRF54H20_CPURAD_ENABLE
+	bool "Boot the nRF54H20 Radio core"
+	default y if NRF_802154_SER_HOST
+	help
+	  This will at application boot time enable clock to the
+	  Radiocore, and also power will be requested to the Radiocore
+	  subsystem. The Radiocore will then start executing instructions.
+
 config SOC_NRF54H20_CPURAD
 	select SOC_NRF54H20_CPURAD_COMMON
 

soc/nordic/nrf54h/soc.c

@@ -21,6 +21,7 @@
 #include <soc/nrfx_coredep.h>
 #include <soc_lrcconf.h>
 #include <dmm.h>
+#include <ironside/se/cpuconf.h>
 
 LOG_MODULE_REGISTER(soc, CONFIG_SOC_LOG_LEVEL);
 
@@ -150,6 +151,23 @@ void soc_early_init_hook(void)
 #endif
 }
 
+void soc_late_init_hook(void)
+{
+#if defined(CONFIG_SOC_NRF54H20_CPURAD_ENABLE)
+	int err;
+
+	/* The msg will be used for communication prior to IPC
+	 * communication being set up. But at this moment no such
+	 * communication is required.
+	 */
+	uint8_t *msg = NULL;
+	size_t msg_size = 0;
+
+	err = ironside_se_cpuconf_boot_radiocore(msg, msg_size);
+	__ASSERT_NO_MSG(err == 0);
+#endif
+}
+
 void arch_busy_wait(uint32_t time_us)
 {
 	nrfx_coredep_delay_us(time_us);