Merge git://git.denx.de/u-boot-fdt

2 files changed, 29 insertions, 0 deletions

diff --git a/common/fdt_support.c b/common/fdt_support.c
index 9e50148462..10648b5a4a 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -194,6 +194,31 @@ static inline int fdt_setprop_uxx(void *fdt, int nodeoffset, const char *name,
 		return fdt_setprop_u32(fdt, nodeoffset, name, (uint32_t)val);
 }
 
+int fdt_root(void *fdt)
+{
+	char *serial;
+	int err;
+
+	err = fdt_check_header(fdt);
+	if (err < 0) {
+		printf("fdt_root: %s\n", fdt_strerror(err));
+		return err;
+	}
+
+	serial = getenv("serial#");
+	if (serial) {
+		err = fdt_setprop(fdt, 0, "serial-number", serial,
+				  strlen(serial) + 1);
+
+		if (err < 0) {
+			printf("WARNING: could not set serial-number %s.\n",
+			       fdt_strerror(err));
+			return err;
+		}
+	}
+
+	return 0;
+}
 
 int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end)
 {
diff --git a/common/image-fdt.c b/common/image-fdt.c
index 7e2da7b3b7..80e3e63805 100644
--- a/common/image-fdt.c
+++ b/common/image-fdt.c
@@ -471,6 +471,10 @@ int image_setup_libfdt(bootm_headers_t *images, void *blob,
 	int ret = -EPERM;
 	int fdt_ret;
 
+	if (fdt_root(blob) < 0) {
+		printf("ERROR: root node setup failed\n");
+		goto err;
+	}
 	if (fdt_chosen(blob) < 0) {
 		printf("ERROR: /chosen node create failed\n");
 		goto err;