1. /lib/cns3xxx.sh 2 3RAMFS_COPY_DATA="/lib/cns3xxx.sh" 4 5CI_BLKSZ=65536 6 7platform_find_partitions() { 8 local first dev size erasesize name 9 while read dev size erasesize name; do 10 name=${name#'"'}; name=${name%'"'} 11 case "$name" in 12 vmlinux.bin.l7|kernel|linux|rootfs) 13 if [ -z "$first" ]; then 14 first="$name" 15 else 16 echo "$erasesize:$first:$name" 17 break 18 fi 19 ;; 20 esac 21 done < /proc/mtd 22} 23 24platform_find_kernelpart() { 25 local part 26 for part in "${1%:*}" "${1#*:}"; do 27 case "$part" in 28 vmlinux.bin.l7|kernel|linux) 29 echo "$part" 30 break 31 ;; 32 esac 33 done 34} 35 36platform_do_upgrade_combined() { 37 local partitions=$(platform_find_partitions) 38 local kernelpart=$(platform_find_kernelpart "${partitions#*:}") 39 local erase_size=$((0x${partitions%%:*})); partitions="${partitions#*:}" 40 local kern_length=0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null) 41 local kern_blocks=$(($kern_length / $CI_BLKSZ)) 42 local root_blocks=$((0x$(dd if="$1" bs=2 skip=5 count=4 2>/dev/null) / $CI_BLKSZ)) 43 44 v "platform_do_upgrade_combined" 45 v "partitions=$partitions" 46 v "kernelpart=$kernelpart" 47 v "erase_size=$erase_size" 48 v "kern_blocks=$kern_blocks" 49 v "root_blocks=$root_blocks" 50 51 if [ -n "$partitions" ] && [ -n "$kernelpart" ] && \ 52 [ ${kern_blocks:-0} -gt 0 ] && \ 53 [ ${root_blocks:-0} -gt 0 ] && \ 54 [ ${erase_size:-0} -gt 0 ]; 55 then 56 local append="" 57 [ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR" 58 59 dd if="$1" bs=$CI_BLKSZ skip=1 count=$kern_blocks 2>/dev/null | mtd write - kernel 60 dd if="$1" bs=$CI_BLKSZ skip=$((1+$kern_blocks)) count=$root_blocks 2>/dev/null | \ 61 mtd -r $append write - rootfs 62 else 63 echo "invalid image" 64 fi 65} 66 67platform_check_image() { 68 local board=$(cns3xxx_board_name) 69 local magic="$(get_magic_word "$1")" 70 local magic_long="$(get_magic_long "$1")" 71 72 [ "$#" -gt 1 ] && return 1 73 74 case "$board" in 75 laguna) 76 [ "$magic" != "4349" ] && { 77 echo "Invalid image. Use *-sysupgrade.bin files on this board" 78 return 1 79 } 80 81 local md5_img=$(dd if="$1" bs=2 skip=9 count=16 2>/dev/null) 82 local md5_chk=$(dd if="$1" bs=$CI_BLKSZ skip=1 2>/dev/null | md5sum -); md5_chk="${md5_chk%% *}" 83 84 if [ -n "$md5_img" -a -n "$md5_chk" ] && [ "$md5_img" = "$md5_chk" ]; then 85 return 0 86 else 87 echo "Invalid image. Contents do not match checksum (image:$md5_img calculated:$md5_chk)" 88 return 1 89 fi 90 return 0 91 ;; 92 esac 93 94 echo "Sysupgrade is not yet supported on $board." 95 return 1 96} 97 98platform_do_upgrade() { 99 local board=$(cns3xxx_board_name) 100 101 v "board=$board" 102 case "$board" in 103 laguna) 104 platform_do_upgrade_combined "$ARGV" 105 ;; 106 *) 107 default_do_upgrade "$ARGV" 108 ;; 109 esac 110} 111 112disable_watchdog() { 113 v "killing watchdog" 114 killall watchdog 115 ( ps | grep -v 'grep' | grep '/dev/watchdog' ) && { 116 echo 'Could not disable watchdog' 117 return 1 118 } 119} 120 121# CONFIG_WATCHDOG_NOWAYOUT=y - can't kill watchdog unless kernel cmdline has a mpcore_wdt.nowayout=0 122#append sysupgrade_pre_upgrade disable_watchdog 123