diff --git a/drivers/core/root.c b/drivers/core/root.c
index 446ac2ff77..82b3c7de71 100644
--- a/drivers/core/root.c
+++ b/drivers/core/root.c
@@ -11,6 +11,7 @@
 #include <fdtdec.h>
 #include <log.h>
 #include <malloc.h>
+#include <asm-generic/sections.h>
 #include <asm/global_data.h>
 #include <linux/libfdt.h>
 #include <dm/acpi.h>
@@ -135,7 +136,9 @@ static int dm_setup_inst(void)
 
 	if (CONFIG_IS_ENABLED(OF_PLATDATA_RT)) {
 		struct udevice_rt *urt;
+		void *base;
 		int n_ents;
+		uint size;
 
 		/* Allocate the udevice_rt table */
 		n_ents = ll_entry_count(struct udevice, udevice);
@@ -143,6 +146,15 @@ static int dm_setup_inst(void)
 		if (!urt)
 			return log_msg_ret("urt", -ENOMEM);
 		gd_set_dm_udevice_rt(urt);
+
+		/* Now allocate space for the priv/plat data, and copy it in */
+		size = __priv_data_end - __priv_data_start;
+
+		base = calloc(1, size);
+		if (!base)
+			return log_msg_ret("priv", -ENOMEM);
+		memcpy(base, __priv_data_start, size);
+		gd_set_dm_priv_base(base);
 	}
 
 	return 0;
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index f6189eff4e..e1a5f4b1d1 100644
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -222,6 +222,12 @@ struct global_data {
 #if CONFIG_IS_ENABLED(OF_PLATDATA_RT)
 	/** @dm_udevice_rt: Dynamic info about the udevice */
 	struct udevice_rt *dm_udevice_rt;
+	/**
+	 * @dm_priv_base: Base address of the priv/plat region used when
+	 * udevices and uclasses are in read-only memory. This is NULL if not
+	 * used
+	 */
+	void *dm_priv_base;
 # endif
 #endif
 #ifdef CONFIG_TIMER
@@ -498,9 +504,13 @@ struct global_data {
 #if CONFIG_IS_ENABLED(OF_PLATDATA_RT)
 #define gd_set_dm_udevice_rt(dyn)	gd->dm_udevice_rt = dyn
 #define gd_dm_udevice_rt()		gd->dm_udevice_rt
+#define gd_set_dm_priv_base(dyn)	gd->dm_priv_base = dyn
+#define gd_dm_priv_base()		gd->dm_priv_base
 #else
 #define gd_set_dm_udevice_rt(dyn)
 #define gd_dm_udevice_rt()		NULL
+#define gd_set_dm_priv_base(dyn)
+#define gd_dm_priv_base()		NULL
 #endif
 
 #ifdef CONFIG_GENERATE_ACPI_TABLE
diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h
index 0577238d60..267f1db73f 100644
--- a/include/asm-generic/sections.h
+++ b/include/asm-generic/sections.h
@@ -28,6 +28,9 @@ extern char __efi_helloworld_end[];
 extern char __efi_var_file_begin[];
 extern char __efi_var_file_end[];
 
+/* Private data used by of-platdata devices/uclasses */
+extern char __priv_data_start[], __priv_data_end[];
+
 /* Start and end of .ctors section - used for constructor calls. */
 extern char __ctors_start[], __ctors_end[];