[oe-commits] [openembedded-core] 04/08: kernel-fitimage: Allow setting of DTB/DTBO relocation address

[git at git.openembedded.org]

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rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit 4cae2a50f938ff005c1f0ca35b91d97e3787c2a8
Author: Alex Kiernan <alex.kiernan at gmail.com>
AuthorDate: Sat Jun 16 09:28:52 2018 +0000

    kernel-fitimage: Allow setting of DTB/DTBO relocation address
    
    Introduce UBOOT_DTB_LOADADDRESS and UBOOT_DTBO_LOADADDRESS so that you
    can set where U-Boot loads full and overlay DTBs. This is required when
    using bootm's overlay support to construct the final DTB.
    
    Signed-off-by: Alex Kiernan <alex.kiernan at gmail.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/classes/kernel-fitimage.bbclass | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/meta/classes/kernel-fitimage.bbclass b/meta/classes/kernel-fitimage.bbclass
index 50a91e1..f3c2ff0 100644
--- a/meta/classes/kernel-fitimage.bbclass
+++ b/meta/classes/kernel-fitimage.bbclass
@@ -135,6 +135,15 @@ fitimage_emit_section_dtb() {
 
 	dtb_csum="sha1"
 
+	dtb_loadline=""
+	dtb_ext=${DTB##*.}
+	if [ "${dtb_ext}" = "dtbo" ]; then
+		if [ -n "${UBOOT_DTBO_LOADADDRESS}" ]; then
+			dtb_loadline="load = <${UBOOT_DTBO_LOADADDRESS}>;"
+		fi
+	elif [ -n "${UBOOT_DTB_LOADADDRESS}" ]; then
+		dtb_loadline="load = <${UBOOT_DTB_LOADADDRESS}>;"
+	fi
 	cat << EOF >> ${1}
                 fdt@${2} {
                         description = "Flattened Device Tree blob";
@@ -142,6 +151,7 @@ fitimage_emit_section_dtb() {
                         type = "flat_dt";
                         arch = "${UBOOT_ARCH}";
                         compression = "none";
+                        ${dtb_loadline}
                         hash at 1 {
                                 algo = "${dtb_csum}";
                         };

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