From b2f04768710459c1c88de47ad292bc41a14e1f12 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Thu, 5 Jul 2012 08:26:57 +0000
Subject: [PATCH] ar71xx: OM2P sysupgrade support
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
SVN-Revision: 32613
---
.../ar71xx/base-files/lib/upgrade/om2p.sh | 169 ++++++++++++++++++
.../ar71xx/base-files/lib/upgrade/platform.sh | 7 +
2 files changed, 176 insertions(+)
create mode 100644 target/linux/ar71xx/base-files/lib/upgrade/om2p.sh
diff --git a/target/linux/ar71xx/base-files/lib/upgrade/om2p.sh b/target/linux/ar71xx/base-files/lib/upgrade/om2p.sh
new file mode 100644
index 0000000000..d9a8bbb7f4
--- /dev/null
+++ b/target/linux/ar71xx/base-files/lib/upgrade/om2p.sh
@@ -0,0 +1,169 @@
+# The U-Boot loader of the OM2P requires image sizes and checksums to be
+# provided in the U-Boot environment.
+# The OM2P comes with 2 main partitions - while one is active sysupgrade
+# will flash the other. The boot order is changed to boot the newly
+# flashed partition. If the new partition can't be booted due to upgrade
+# failures the previously used partition is loaded.
+
+trim()
+{
+ echo $1
+}
+
+cfg_value_get()
+{
+ local cfg=$1 cfg_opt
+ local section=$2 our_section=0
+ local param=$3 our_param=
+
+ for cfg_opt in $cfg
+ do
+ [ "$cfg_opt" = "[$section]" ] && our_section=1 && continue
+ [ "$our_section" = "1" ] || continue
+
+ our_param=$(echo ${cfg_opt%%=*})
+ [ "$param" = "$our_param" ] && echo ${cfg_opt##*=} && break
+ done
+}
+
+# make sure we got uboot-envtools and fw_env.config copied over to the ramfs
+platform_add_ramfs_ubootenv()
+{
+ [ -e /usr/sbin/fw_printenv ] && install_bin /usr/sbin/fw_printenv /usr/sbin/fw_setenv
+ [ -e /etc/fw_env.config ] && install_file /etc/fw_env.config
+}
+append sysupgrade_pre_upgrade platform_add_ramfs_ubootenv
+
+platform_check_image_om2p()
+{
+ local img_magic=$1
+ local img_path=$2
+ local fw_printenv=/usr/sbin/fw_printenv
+ local img_board_target= img_num_files= i=0
+ local cfg_name= kernel_name= rootfs_name=
+
+ case "$img_magic" in
+ # Combined Extended Image v1
+ 43453031)
+ img_board_target=$(trim $(dd if="$img_path" bs=4 skip=1 count=8 2>/dev/null))
+ img_num_files=$(trim $(dd if="$img_path" bs=2 skip=18 count=1 2>/dev/null))
+ ;;
+ *)
+ echo "Invalid image ($img_magic). Use combined extended images on this platform"
+ return 1
+ ;;
+ esac
+
+ case "$img_board_target" in
+ OM2P)
+ ;;
+ *)
+ echo "Invalid board target ($img_board_target). Use the correct image for this platform"
+ return 1
+ ;;
+ esac
+
+ [ $img_num_files -ne 3 ] && {
+ echo "Invalid number of embedded images ($img_num_files). Use the correct image for this platform"
+ return 1
+ }
+
+ cfg_name=$(trim $(dd if="$img_path" bs=2 skip=19 count=16 2>/dev/null))
+
+ [ "$cfg_name" != "fwupgrade.cfg" ] && {
+ echo "Invalid embedded config file ($cfg_name). Use the correct image for this platform"
+ return 1
+ }
+
+ kernel_name=$(trim $(dd if="$img_path" bs=2 skip=55 count=16 2>/dev/null))
+
+ [ "$kernel_name" != "kernel" ] && {
+ echo "Invalid embedded kernel file ($kernel_name). Use the correct image for this platform"
+ return 1
+ }
+
+ rootfs_name=$(trim $(dd if="$img_path" bs=2 skip=91 count=16 2>/dev/null))
+
+ [ "$rootfs_name" != "rootfs" ] && {
+ echo "Invalid embedded kernel file ($rootfs_name). Use the correct image for this platform"
+ return 1
+ }
+
+ [ ! -x "$fw_printenv" ] && {
+ echo "Please install uboot-envtools!"
+ return 1
+ }
+
+ [ ! -r "/etc/fw_env.config" ] && {
+ echo "/etc/fw_env.config is missing"
+ return 1
+ }
+
+ return 0
+}
+
+platform_do_upgrade_om2p()
+{
+ local img_path=$1
+ local kernel_start_addr= kernel_size= kernel_md5=
+ local rootfs_size= rootfs_checksize= rootfs_md5=
+ local kernel_bsize= total_size=7340032
+ local data_offset=$((64 * 1024)) block_size=$((256 * 1024)) offset=
+ local uboot_env_upgrade="/tmp/fw_env_upgrade"
+ local cfg_size= kernel_size= rootfs_size=
+ local append=""
+
+ [ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
+
+ cfg_size=$(dd if="$img_path" bs=2 skip=35 count=4 2>/dev/null)
+ kernel_size=$(dd if="$img_path" bs=2 skip=71 count=4 2>/dev/null)
+ rootfs_size=$(dd if="$img_path" bs=2 skip=107 count=4 2>/dev/null)
+
+ cfg_content=$(dd if="$img_path" bs=1 skip=$data_offset count=$(echo $((0x$cfg_size))) 2>/dev/null)
+
+ kernel_md5=$(cfg_value_get "$cfg_content" "vmlinux" "md5sum")
+ rootfs_md5=$(cfg_value_get "$cfg_content" "rootfs" "md5sum")
+ rootfs_checksize=$(cfg_value_get "$cfg_content" "rootfs" "checksize")
+
+ if [ "$((0x$kernel_size % $block_size))" = "0" ]
+ then
+ kernel_bsize=$(echo $((0x$kernel_size)))
+ else
+ kernel_bsize=$((0x$kernel_size + ($block_size - (0x$kernel_size % $block_size))))
+ fi
+
+ mtd -q erase inactive
+
+ offset=$(echo $(($data_offset + 0x$cfg_size + 0x$kernel_size)))
+ dd if="$img_path" bs=1 skip=$offset count=$(echo $((0x$rootfs_size))) 2>&- | mtd -n -p $kernel_bsize $append write - "inactive"
+
+ offset=$(echo $(($data_offset + 0x$cfg_size)))
+ dd if="$img_path" bs=1 skip=$offset count=$(echo $((0x$kernel_size))) 2>&- | mtd -n write - "inactive"
+
+ rm $uboot_env_upgrade 2>&-
+
+ if [ "$(grep 'mtd3:.*inactive' /proc/mtd)" ]
+ then
+ printf "kernel_size_1 %u\n" $(($kernel_bsize / 1024)) >> $uboot_env_upgrade
+ printf "rootfs_size_1 %u\n" $((($total_size - $kernel_bsize) / 1024)) >> $uboot_env_upgrade
+ printf "bootseq 1,2\n" >> $uboot_env_upgrade
+ kernel_start_addr=0x9f1c0000
+ else
+ printf "kernel_size_2 %u\n" $(($kernel_bsize / 1024)) >> $uboot_env_upgrade
+ printf "rootfs_size_2 %u\n" $((($total_size - $kernel_bsize) / 1024)) >> $uboot_env_upgrade
+ printf "bootseq 2,1\n" >> $uboot_env_upgrade
+ kernel_start_addr=0x9f8c0000
+ fi
+
+ printf "vmlinux_start_addr %s\n" $kernel_start_addr >> $uboot_env_upgrade
+ printf "vmlinux_size 0x%s\n" $kernel_size >> $uboot_env_upgrade
+ printf "vmlinux_checksum %s\n" $kernel_md5 >> $uboot_env_upgrade
+ printf "rootfs_start_addr 0x%x\n" $(($kernel_start_addr + $kernel_bsize)) >> $uboot_env_upgrade
+ printf "rootfs_size %s\n" $rootfs_checksize >> $uboot_env_upgrade
+ printf "rootfs_checksum %s\n" $rootfs_md5 >> $uboot_env_upgrade
+
+ fw_setenv -s $uboot_env_upgrade || {
+ echo "failed to update U-Boot environment"
+ return 1
+ }
+}
diff --git a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
index 47a9354d15..f13fb8be70 100755
--- a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
@@ -126,6 +126,10 @@ platform_check_image() {
}
return 0
;;
+ om2p)
+ platform_check_image_om2p "$magic_long" "$1" && return 0
+ return 1
+ ;;
tl-mr11u | \
tl-mr3020 | \
tl-mr3220 | \
@@ -224,6 +228,9 @@ platform_do_upgrade() {
all0258n )
platform_do_upgrade_all0258n "$ARGV"
;;
+ om2p)
+ platform_do_upgrade_om2p "$ARGV"
+ ;;
*)
default_do_upgrade "$ARGV"
;;
--
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