Signed-off-by: Paul Kocialkowski <[email protected]>
---
common/fdt_support.c | 25 +++++++++++++++++++++++++
common/image-fdt.c | 4 ++++
include/fdt_support.h | 1 +
3 files changed, 30 insertions(+)
diff --git a/common/fdt_support.c b/common/fdt_support.c
index 8266bca..a97b4f0 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 d9e4728..1600561 100644
--- a/common/image-fdt.c
+++ b/common/image-fdt.c
@@ -470,6 +470,10 @@ 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;
diff --git a/include/fdt_support.h b/include/fdt_support.h
index ae5e8a3..8eb5968 100644
--- a/include/fdt_support.h
+++ b/include/fdt_support.h
@@ -16,6 +16,7 @@ u32 fdt_getprop_u32_default_node(const void *fdt, int off,
int cell,
const char *prop, const u32 dflt);
u32 fdt_getprop_u32_default(const void *fdt, const char *path,
const char *prop, const u32 dflt);
+int fdt_root(void *fdt);
int fdt_chosen(void *fdt);
int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end);
void do_fixup_by_path(void *fdt, const char *path, const char *prop,
--
1.9.1
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