Hi Paul,
On 28 March 2015 at 11:34, Paul Kocialkowski <cont...@paulk.fr> wrote:
> Signed-off-by: Paul Kocialkowski <cont...@paulk.fr>
> ---
> common/fdt_support.c | 25 +++++++++++++++++++++++++
> common/image-fdt.c | 4 ++++
> include/fdt_support.h | 1 +
> 3 files changed, 30 insertions(+)
>
This needs a commit message and something in
doc/device-tree-binding/root.txt (or similar) about it.
Is there binding documentation for Linux on this?
> 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
>
Regards,
Simon
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