core: arm: get DDR range from embedded DTB

Find main memory (DDR) physical range(s) from the secure embedded DTB if not found from the external DDR. Signed-off-by: Etienne Carriere <[email protected]>
etienne-lms · Jan 16, 2024 · e74395c · e74395c
1 parent 8e9d8ac
commit e74395c
Showing 1 changed file with 12 additions and 1 deletion.
diff --git a/core/arch/arm/kernel/boot.c b/core/arch/arm/kernel/boot.c
@@ -1046,7 +1046,18 @@ static void discover_nsec_memory(void)
 			return;
 		}
 
-		DMSG("No non-secure memory found in FDT");
+		DMSG("No non-secure memory found in external DT");
+	}
+
+	fdt = get_embedded_dt();
+	if (fdt) {
+		mem = get_nsec_memory(fdt, &nelems);
+		if (mem) {
+			core_mmu_set_discovered_nsec_ddr(mem, nelems);
+			return;
+		}
+
+		DMSG("No non-secure memory found in embedded DT");
 	}
 
 	mem_begin = phys_ddr_overall_begin;