diff --git a/drivers/st/clk/stm32mp1_clk.c b/drivers/st/clk/stm32mp1_clk.c
index af8b71e..f525741 100644
--- a/drivers/st/clk/stm32mp1_clk.c
+++ b/drivers/st/clk/stm32mp1_clk.c
@@ -1837,11 +1837,6 @@
 		return -FDT_ERR_NOTFOUND;
 	}
 
-	/* Check status field to disable security */
-	if (!fdt_get_rcc_secure_status()) {
-		mmio_write_32(rcc_base + RCC_TZCR, 0);
-	}
-
 	ret = fdt_rcc_read_uint32_array("st,clksrc", (uint32_t)CLKSRC_NB,
 					clksrc);
 	if (ret < 0) {
@@ -2358,6 +2353,12 @@
 
 int stm32mp1_clk_probe(void)
 {
+#if defined(IMAGE_BL32)
+	if (!fdt_get_rcc_secure_state()) {
+		mmio_write_32(stm32mp_rcc_base() + RCC_TZCR, 0U);
+	}
+#endif
+
 	stm32mp1_osc_init();
 
 	sync_earlyboot_clocks_state();