diff --git a/drivers/core/fdtaddr.c b/drivers/core/fdtaddr.c
index 91bcd1a2c21..b9b0c28852f 100644
--- a/drivers/core/fdtaddr.c
+++ b/drivers/core/fdtaddr.c
@@ -12,6 +12,7 @@
 #include <dm.h>
 #include <fdt_support.h>
 #include <log.h>
+#include <mapmem.h>
 #include <asm/global_data.h>
 #include <asm/io.h>
 #include <dm/device-internal.h>
@@ -97,7 +98,10 @@ void *devfdt_get_addr_index_ptr(const struct udevice *dev, int index)
 {
 	fdt_addr_t addr = devfdt_get_addr_index(dev, index);
 
-	return (addr == FDT_ADDR_T_NONE) ? NULL : (void *)(uintptr_t)addr;
+	if (addr == FDT_ADDR_T_NONE)
+		return NULL;
+
+	return map_sysmem(addr, 0);
 }
 
 fdt_addr_t devfdt_get_addr_size_index(const struct udevice *dev, int index,
diff --git a/test/dm/test-fdt.c b/test/dm/test-fdt.c
index 8e6e42e46b4..eeecd1dc2de 100644
--- a/test/dm/test-fdt.c
+++ b/test/dm/test-fdt.c
@@ -617,6 +617,7 @@ static int dm_test_fdt_get_addr_ptr_flat(struct unit_test_state *uts)
 {
 	struct udevice *gpio, *dev;
 	void *ptr;
+	void *paddr;
 
 	/* Test for missing reg property */
 	ut_assertok(uclass_first_device_err(UCLASS_GPIO, &gpio));
@@ -624,7 +625,9 @@ static int dm_test_fdt_get_addr_ptr_flat(struct unit_test_state *uts)
 
 	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 	ptr = devfdt_get_addr_ptr(dev);
-	ut_asserteq_ptr((void *)0x8000, ptr);
+
+	paddr = map_sysmem(0x8000, 0);
+	ut_asserteq_ptr(paddr, ptr);
 
 	return 0;
 }