[OE-core] [PATCH v2] kernel-fitimage.bbclass: Allow set/unset load address for FDT

[Rick Altherr]

Reviewed-by: Rick Altherr <raltherr at google.com>

On Tue, Feb 14, 2017 at 7:03 PM, Nikunj Kela <nikunj.kela at gmail.com> wrote:

> Allow the load address for the FDT segment in the fitImage. This
> allows U-Boot to load the FDT at a specific address.
>
> UBOOT_FDT_LOADADDRESS - Specifies the load address used by u-boot
>                 for the FDT
>
> Signed-off-by: Nikunj Kela <nikunj.kela at gmail.com>
> ---
>  meta/classes/kernel-fitimage.bbclass | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/meta/classes/kernel-fitimage.bbclass b/meta/classes/kernel-
> fitimage.bbclass
> index 1c3b4b7..7f9da49 100644
> --- a/meta/classes/kernel-fitimage.bbclass
> +++ b/meta/classes/kernel-fitimage.bbclass
> @@ -127,6 +127,11 @@ EOF
>  fitimage_emit_section_dtb() {
>
>         dtb_csum="sha1"
> +       fdt_loadline=""
> +
> +       if [ -n "${UBOOT_FDT_LOADADDRESS}" ]; then
> +               fdt_loadline="load = <${UBOOT_FDT_LOADADDRESS}>;"
> +       fi
>
>         cat << EOF >> ${1}
>                  fdt@${2} {
> @@ -135,6 +140,7 @@ fitimage_emit_section_dtb() {
>                          type = "flat_dt";
>                          arch = "${UBOOT_ARCH}";
>                          compression = "none";
> +                        ${fdt_loadline}
>                          hash at 1 {
>                                  algo = "${dtb_csum}";
>                          };
> --
> 2.5.0
>
> --
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