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authorDavid Woodhouse <dwmw2@infradead.org>2020-06-15 17:48:19 +0100
committerPetr Štetiar <ynezz@true.cz>2020-07-08 23:22:30 +0200
commitaf9932c9b7b94417d46ba59439793514e93ba8a6 (patch)
tree90a61fe1184ecd1d7730847a957035dd57436c83
parente19ffb25d97e3859693c6d4582caf32e45265aa7 (diff)
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mediatek: Implement sysupgrade support for Banana Pi R2
Based on work by Alexey Loukianov <lx2@lexa2.ru> and others. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
-rw-r--r--target/linux/mediatek/image/Config.in2
-rw-r--r--target/linux/mediatek/mt7623/base-files/lib/preinit/79_move_config20
-rwxr-xr-xtarget/linux/mediatek/mt7623/base-files/lib/upgrade/platform.sh118
3 files changed, 128 insertions, 12 deletions
diff --git a/target/linux/mediatek/image/Config.in b/target/linux/mediatek/image/Config.in
index f32f83c321..0e5449e2f9 100644
--- a/target/linux/mediatek/image/Config.in
+++ b/target/linux/mediatek/image/Config.in
@@ -1,4 +1,4 @@
config BANANA_PI_BOOT_PARTSIZE
int "Boot (SD Card) filesystem partition size (in MiB)"
- depends on TARGET_mediatek_mt7623_DEVICE_bpi_bananapi-r2
+ depends on TARGET_mediatek_mt7623_DEVICE_bpi_bananapi-r2 || TARGET_DEVICE_mediatek_mt7623_DEVICE_bpi_bananapi-r2
default 32
diff --git a/target/linux/mediatek/mt7623/base-files/lib/preinit/79_move_config b/target/linux/mediatek/mt7623/base-files/lib/preinit/79_move_config
index 895240a3bc..cbb6c604c8 100644
--- a/target/linux/mediatek/mt7623/base-files/lib/preinit/79_move_config
+++ b/target/linux/mediatek/mt7623/base-files/lib/preinit/79_move_config
@@ -2,16 +2,28 @@
. /lib/upgrade/common.sh
-RECOVERY_PART=/dev/mmcblk0p1
-
move_config() {
- if [ -b $RECOVERY_PART ]; then
+ local partdev partnum
+
+ case $(board_name) in
+ bananapi,bpi-r2)
+ partnum=2
+ ;;
+ unielec,u7623-02-emmc-512m)
+ partnum=1
+ ;;
+ *)
+ return 1
+ ;;
+ esac
+
+ if export_bootdevice && export_partdevice partdev $partnum; then
insmod nls_cp437
insmod nls_iso8859-1
insmod fat
insmod vfat
mkdir -p /recovery
- mount -o rw,noatime $RECOVERY_PART /recovery
+ mount -o rw,noatime "/dev/$partdev" -t vfat /recovery
[ -f "/recovery/$BACKUP_FILE" ] && mv -f "/recovery/$BACKUP_FILE" /
umount /recovery
fi
diff --git a/target/linux/mediatek/mt7623/base-files/lib/upgrade/platform.sh b/target/linux/mediatek/mt7623/base-files/lib/upgrade/platform.sh
index 225fec0bca..2b37846456 100755
--- a/target/linux/mediatek/mt7623/base-files/lib/upgrade/platform.sh
+++ b/target/linux/mediatek/mt7623/base-files/lib/upgrade/platform.sh
@@ -2,6 +2,75 @@ platform_do_upgrade() {
local board=$(board_name)
case "$board" in
+ bananapi,bpi-r2)
+ local diskdev partdev diff
+
+ export_bootdevice && export_partdevice diskdev 0 || {
+ echo "Unable to determine upgrade device"
+ return 1
+ }
+
+ #Keep the persistent random mac address (if it exists)
+ mkdir -p /tmp/recovery
+ export_partdevice recoverydev 2
+ if mount -o rw,noatime "/dev/$recoverydev" -tvfat /tmp/recovery; then
+ [ -f "/tmp/recovery/mac_addr" ] && cp /tmp/recovery/mac_addr /tmp/
+ umount /tmp/recovery
+ fi
+ sync
+
+ if [ "$SAVE_PARTITIONS" = "1" ]; then
+ get_partitions "/dev/$diskdev" bootdisk
+
+ #extract the boot sector from the image
+ get_image "$@" | dd of=/tmp/image.bs count=1 bs=512b
+
+ get_partitions /tmp/image.bs image
+
+ #compare tables
+ diff="$(grep -F -x -v -f /tmp/partmap.bootdisk /tmp/partmap.image)"
+ else
+ diff=1
+ fi
+
+ if [ -n "$diff" ]; then
+ get_image "$@" | dd of="/dev/$diskdev" bs=4096 conv=fsync
+
+ # Separate removal and addtion is necessary; otherwise, partition 1
+ # will be missing if it overlaps with the old partition 2
+ partx -d - "/dev/$diskdev"
+ partx -a - "/dev/$diskdev"
+ else
+ #iterate over each partition from the image and write it to the boot disk
+ while read part start size; do
+ part="$(($part - 2))"
+ if export_partdevice partdev $part; then
+ echo "Writing image to /dev/$partdev..."
+ get_image "$@" | dd of="/dev/$partdev" ibs="512" obs=1M skip="$start" count="$size" conv=fsync
+ else
+ echo "Unable to find partition $part device, skipped."
+ fi
+ done < /tmp/partmap.image
+
+ #copy partition uuid
+ echo "Writing new UUID to /dev/$diskdev..."
+ get_image "$@" | dd of="/dev/$diskdev" bs=1 skip=440 count=4 seek=440 conv=fsync
+ fi
+
+ if mount -o rw,noatime "/dev/$recoverydev" -t vfat /tmp/recovery; then
+ [ -f "/tmp/mac_addr" ] && cp /tmp/mac_addr /tmp/recovery
+
+ if [ "$diskdev" = "mmcblk0" -a -r /tmp/recovery/eMMCboot.bin ]; then
+ echo 0 > /sys/block/mmcblk0boot0/force_ro
+ dd if=/tmp/recovery/eMMCboot.bin of=/dev/mmcblk0boot0 conv=fsync
+ sync
+ echo 1 > /sys/block/mmcblk0boot0/force_ro
+ fi
+ sync
+ umount /tmp/recovery
+ fi
+ ;;
+
unielec,u7623-02-emmc-512m)
#Keep the persisten random mac address (if it exists)
mkdir -p /tmp/recovery
@@ -30,11 +99,39 @@ PART_NAME=firmware
platform_check_image() {
local board=$(board_name)
local magic="$(get_magic_long "$1")"
+ local diskdev partdev diff
[ "$#" -gt 1 ] && return 1
case "$board" in
- bananapi,bpi-r2|\
+ bananapi,bpi-r2)
+ [ "$magic" != "53444d4d" ] && {
+ echo "Invalid image type."
+ return 1
+ }
+ export_bootdevice && export_partdevice diskdev 0 || {
+ echo "Unable to determine upgrade device"
+ return 1
+ }
+
+ get_partitions "/dev/$diskdev" bootdisk
+
+ #extract the boot sector from the image
+ get_image "$@" | dd of=/tmp/image.bs count=1 bs=512b 2>/dev/null
+
+ get_partitions /tmp/image.bs image
+
+ #compare tables
+ diff="$(grep -F -x -v -f /tmp/partmap.bootdisk /tmp/partmap.image)"
+
+ rm -f /tmp/image.bs /tmp/partmap.bootdisk /tmp/partmap.image
+
+ if [ -n "$diff" ]; then
+ echo "Partition layout has changed. Full image will be written."
+ ask_bool 0 "Abort" && exit 1
+ return 0
+ fi
+ ;;
unielec,u7623-02-emmc-512m)
[ "$magic" != "27051956" ] && {
echo "Invalid image type."
@@ -52,17 +149,24 @@ platform_check_image() {
}
platform_copy_config_emmc() {
- mkdir -p /recovery
- mount -o rw,noatime /dev/mmcblk0p1 /recovery
- cp -af "$UPGRADE_BACKUP" "/recovery/$BACKUP_FILE"
- sync
- umount /recovery
+ local partdev
+
+ if export_bootdevice && export_partdevice partdev $1; then
+ mkdir -p /recovery
+ mount -o rw,noatime "/dev/$partdev" -t vfat /recovery
+ cp -af "$UPGRADE_BACKUP" "/recovery/$BACKUP_FILE"
+ sync
+ umount /recovery
+ fi
}
platform_copy_config() {
case "$(board_name)" in
+ bananapi,bpi-r2)
+ platform_copy_config_emmc 2
+ ;;
unielec,u7623-02-emmc-512m)
- platform_copy_config_emmc
+ platform_copy_config_emmc 1
;;
esac
}