2 REQUIRE_IMAGE_METADATA
=1
4 RAMFS_COPY_BIN
='fw_printenv fw_setenv head'
5 RAMFS_COPY_DATA
='/etc/fw_env.config /var/lock/fw_printenv.lock'
7 xiaomi_initramfs_prepare
() {
8 # Wipe UBI if running initramfs
9 [ "$(rootfs_type)" = "tmpfs" ] ||
return 0
11 local rootfs_mtdnum
="$( find_mtd_index rootfs )"
12 if [ ! "$rootfs_mtdnum" ]; then
13 echo "unable to find mtd partition rootfs"
17 local kern_mtdnum
="$( find_mtd_index ubi_kernel )"
18 if [ ! "$kern_mtdnum" ]; then
19 echo "unable to find mtd partition ubi_kernel"
23 ubidetach
-m "$rootfs_mtdnum"
24 ubiformat
/dev
/mtd
$rootfs_mtdnum -y
26 ubidetach
-m "$kern_mtdnum"
27 ubiformat
/dev
/mtd
$kern_mtdnum -y
30 platform_check_image
() {
34 platform_pre_upgrade
() {
35 case "$(board_name)" in
39 xiaomi_initramfs_prepare
44 platform_do_upgrade
() {
45 case "$(board_name)" in
50 active
="$(fw_printenv -n active)"
51 if [ "$active" -eq "1" ]; then
56 # force altbootcmd which handles partition change in u-boot
58 fw_setenv upgrade_available
1
70 local config_mtdnum
="$(find_mtd_index 0:bootconfig)"
71 [ -z "$config_mtdnum" ] && reboot
72 part_num
="$(hexdump -e '1/1 "%01x|
"' -n 1 -s 168 -C /dev/mtd$config_mtdnum | cut -f 1 -d "|
" | head -n1)"
73 if [ "$part_num" -eq "0" ]; then
86 # Make sure that UART is enabled
87 fw_setenv boot_wait on
90 # Enforce single partition.
91 fw_setenv flag_boot_rootfs
0
92 fw_setenv flag_last_success
0
93 fw_setenv flag_boot_success
1
94 fw_setenv flag_try_sys1_failed
8
95 fw_setenv flag_try_sys2_failed
8
97 # Kernel and rootfs are placed in 2 different UBI
98 CI_KERN_UBIPART
="ubi_kernel"
99 CI_ROOT_UBIPART
="rootfs"
103 default_do_upgrade
"$1"