stm32mp1: use functions to retrieve some peripheral addresses

PWR, RCC, DDRPHYC & DDRCTRL addresses can be retrieved from device tree.
Platform asserts the value read from the DT are the SoC addresses.

Change-Id: I43f0890b51918a30c87ac067d3780ab27a0f59de
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Nicolas LE BAYON <nicolas.le.bayon@st.com>
diff --git a/plat/st/common/stm32mp_common.c b/plat/st/common/stm32mp_common.c
index aecef47..2aba41e 100644
--- a/plat/st/common/stm32mp_common.c
+++ b/plat/st/common/stm32mp_common.c
@@ -10,6 +10,7 @@
 
 #include <arch_helpers.h>
 #include <common/debug.h>
+#include <drivers/st/stm32mp_clkfunc.h>
 #include <plat/common/platform.h>
 
 uintptr_t plat_get_ns_image_entrypoint(void)
@@ -34,6 +35,58 @@
 	return boot_ctx_address;
 }
 
+uintptr_t stm32mp_ddrctrl_base(void)
+{
+	static uintptr_t ddrctrl_base;
+
+	if (ddrctrl_base == 0) {
+		ddrctrl_base = dt_get_ddrctrl_base();
+
+		assert(ddrctrl_base == DDRCTRL_BASE);
+	}
+
+	return ddrctrl_base;
+}
+
+uintptr_t stm32mp_ddrphyc_base(void)
+{
+	static uintptr_t ddrphyc_base;
+
+	if (ddrphyc_base == 0) {
+		ddrphyc_base = dt_get_ddrphyc_base();
+
+		assert(ddrphyc_base == DDRPHYC_BASE);
+	}
+
+	return ddrphyc_base;
+}
+
+uintptr_t stm32mp_pwr_base(void)
+{
+	static uintptr_t pwr_base;
+
+	if (pwr_base == 0) {
+		pwr_base = dt_get_pwr_base();
+
+		assert(pwr_base == PWR_BASE);
+	}
+
+	return pwr_base;
+}
+
+uintptr_t stm32mp_rcc_base(void)
+{
+	static uintptr_t rcc_base;
+
+	if (rcc_base == 0) {
+		rcc_base = fdt_rcc_read_addr();
+
+		assert(rcc_base == RCC_BASE);
+	}
+
+	return rcc_base;
+}
+
 uintptr_t stm32_get_gpio_bank_base(unsigned int bank)
 {
 	if (bank == GPIO_BANK_Z) {