soc: nordic: nrf54h: set DMASEC for CCM030 if enabled (37f9958f) · Commits · Wenxi XU / zephyr

soc/nordic/nrf54h/soc.c

+17 −0

Original line number	Diff line number	Diff line
		@@ -12,6 +12,7 @@

		#include <hal/nrf_hsfll.h>
		#include <hal/nrf_lrcconf.h>
		#include <hal/nrf_spu.h>
		#include <soc/nrfx_coredep.h>

		LOG_MODULE_REGISTER(soc, CONFIG_SOC_LOG_LEVEL);
		@@ -26,6 +27,12 @@ LOG_MODULE_REGISTER(soc, CONFIG_SOC_LOG_LEVEL);
		DT_REG_ADDR(DT_PHANDLE_BY_NAME(node_id, nordic_ficrs, name)) + \
		DT_PHA_BY_NAME(node_id, nordic_ficrs, name, offset)

		#define SPU_INSTANCE_GET(p_addr) \
		((NRF_SPU_Type *)((p_addr) & (ADDRESS_REGION_Msk \| \
		ADDRESS_SECURITY_Msk \| \
		ADDRESS_DOMAIN_Msk \| \
		ADDRESS_BUS_Msk)))

		static void power_domain_init(void)
		{
		/*
		@@ -83,6 +90,16 @@ static int nordicsemi_nrf54h_init(void)

		trim_hsfll();

		#if DT_NODE_HAS_STATUS(DT_NODELABEL(ccm030), okay)
		/* DMASEC is set to non-secure by default, which prevents CCM from
		* accessing secure memory. Change DMASEC to secure.
		*/
		uint32_t ccm030_addr = DT_REG_ADDR(DT_NODELABEL(ccm030));
		NRF_SPU_Type *spu = SPU_INSTANCE_GET(ccm030_addr);

		nrf_spu_periph_perm_dmasec_set(spu, nrf_address_slave_get(ccm030_addr), true);
		#endif

		return 0;
		}