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kernel-fitimage: Allow setting of DTB/DTBO relocation address

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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.

(From OE-Core rev: 05d2230db1d7379494814407fc0d79d7e755d89e)

Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Alex Kiernan
2018-06-16 09:28:52 +00:00
committed by Richard Purdie
parent 3c3545ec78
commit 430774e459
1 changed files with 10 additions and 0 deletions
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10
meta/classes/kernel-fitimage.bbclass
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@@ -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";
${dtb_loadline}
hash@1 {
algo = "${dtb_csum}";
};