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base-files: upgrade: nand: add JFFS2 cleanmarkers support 

Some Broadcom MIPS devices require JFFS2 cleanmarkers to be present on the
kernel partition or the bootloader will identify the partition as corrupt and
won't boot the kernel.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas 2023-06-15 10:46:10 +02:00
parent cdfcac6e24
commit 434df8df54
1 changed files with 10 additions and 2 deletions
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12
package/base-files/files/lib/upgrade/nand.sh
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@ -301,6 +301,7 @@ nand_upgrade_fit() {
nand_upgrade_tar() {
local tar_file="$1"
local gz="$2"
local jffs2_markers="${CI_JFFS2_CLEAN_MARKERS:-0}"
# WARNING: This fails if tar contains more than one 'sysupgrade-*' directory.
local board_dir="$(tar t${gz}f "$tar_file" | grep -m 1 '^sysupgrade-.*/$')"
@ -329,6 +330,7 @@ nand_upgrade_tar() {
ubi_kernel_length="$kernel_length"
fi
fi
local has_env=0
nand_upgrade_prepare_ubi "$rootfs_length" "$rootfs_type" "$ubi_kernel_length" "$has_env" || return 1
@ -340,8 +342,14 @@ nand_upgrade_tar() {
fi
if [ "$kernel_length" ]; then
if [ "$kernel_mtd" ]; then
tar xO${gz}f "$tar_file" "$board_dir/kernel" | \
mtd write - "$CI_KERNPART"
if [ "$jffs2_markers" = 1 ]; then
flash_erase -j "/dev/mtd${kernel_mtd}" 0 0
tar xO${gz}f "$tar_file" "$board_dir/kernel" | \
nandwrite "/dev/mtd${kernel_mtd}" -
else
tar xO${gz}f "$tar_file" "$board_dir/kernel" | \
mtd write - "$CI_KERNPART"
fi
else
local ubidev="$( nand_find_ubi "${CI_KERN_UBIPART:-$CI_UBIPART}" )"
local kern_ubivol="$( nand_find_volume $ubidev "$CI_KERNPART" )"