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

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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" )"