kernel-fitimage.bbclass: Allow unset load/entry addresses for ramdisks

Allow the load and entry addresses to remain unset if the UBOOT_RD_*
variables are also unset for ramdisk entries in the image tree. This
allows for U-Boot to decide dynamically where to load the ramdisk.

(From OE-Core rev: 941b6ce3b297ed83f1c05dd76bfeefbf93482e6f)

Signed-off-by: Nathan Rossi <nathan@nathanrossi.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 11 insertions, 2 deletions

diff --git a/meta/classes/kernel-fitimage.bbclass b/meta/classes/kernel-fitimage.bbclass
index 2934b3a31a..706beed82c 100644
--- a/meta/classes/kernel-fitimage.bbclass
+++ b/meta/classes/kernel-fitimage.bbclass
@@ -178,6 +178,15 @@ EOF
 fitimage_emit_section_ramdisk() {
 
         ramdisk_csum="sha1"
+        ramdisk_loadline=""
+        ramdisk_entryline=""
+
+        if [ -n "${UBOOT_RD_LOADADDRESS}" ]; then
+                ramdisk_loadline="load = <${UBOOT_RD_LOADADDRESS}>;"
+        fi
+        if [ -n "${UBOOT_RD_ENTRYPOINT}" ]; then
+                ramdisk_entryline="entry = <${UBOOT_RD_ENTRYPOINT}>;"
+        fi
 
         cat << EOF >> ${1}
                 ramdisk@${2} {
@@ -187,8 +196,8 @@ fitimage_emit_section_ramdisk() {
                         arch = "${UBOOT_ARCH}";
                         os = "linux";
                         compression = "none";
-                        load = <${UBOOT_RD_LOADADDRESS}>;
-                        entry = <${UBOOT_RD_ENTRYPOINT}>;
+                        ${ramdisk_loadline}
+                        ${ramdisk_entryline}
                         hash@1 {
                                 algo = "${ramdisk_csum}";
                         };