1 echo
"\n\nFirmware recovery helpers"
2 echo
"Use -c firmware_help to get help\n"
5 "asus-rt-n16 ASUS RT-N16"
6 "asus-rt-n66u ASUS RT-N66U"
7 "linksys-wrt54gl Linksys WRT54GL v1.1"
8 "netgear-dg834v3 Netgear DG834G v3"
9 "tp-link_tl-mr3020 TP-LINK TL-MR3020"
10 "bt-homehubv1 BT HomeHub v1"
13 proc firmware_help
{ } {
15 Your OpenOCD command should look like this:
16 openocd -f interface/<jtag adapter>.cfg -f tools/firmware-recovery.tcl -c \"<commands>*; shutdown\"
19 <jtag adapter> is one of the supported devices, e.g. ftdi/jtagkey2
20 <commands> are firmware-recovery commands separated by semicolon
23 firmware_help get this help
24 list_boards list known boards and exit
25 board <name> select board you work with
26 list_partitions list partitions of the currently selected board
27 dump_part <name> <filename> save partition's contents to a file
28 erase_part <name> erase the given partition
29 flash_part <name> <filename> erase, flash and verify the given partition
30 ram_boot <filename> load binary file to RAM and run it
31 adapter_khz <freq> set JTAG clock frequency in kHz
33 For example, to clear nvram and reflash CFE on an RT-N16 using TUMPA, run:
34 openocd -f interface/ftdi/tumpa.cfg -f tools/firmware-recovery.tcl \\
35 -c \"board asus-rt-n16; erase_part nvram; flash_part CFE cfe-n16.bin; shutdown\"
40 # set default, can be overriden later
43 proc get_partition
{ name
} {
45 dict get
$partition_list $name
48 proc partition_desc
{ name
} { lindex [get_partition
$name] 0 }
49 proc partition_start
{ name
} { lindex [get_partition
$name] 1 }
50 proc partition_size
{ name
} { lindex [get_partition
$name] 2 }
52 proc list_boards
{ } {
54 echo
"List of the supported boards:\n"
55 echo
"Board name\t\tDescription"
56 echo
"-----------------------------------"
57 foreach i
$known_boards {
64 script
[find board
/$name.cfg
]
67 proc list_partitions
{ } {
69 set fstr
"%-16s%-14s%-14s%s"
70 echo
"\nThe currently selected board is known to have these partitions:\n"
71 echo
[format $fstr Name Start Size Description
]
72 echo
"-------------------------------------------------------"
73 for {set i
0} {$i < [llength $partition_list]} {incr i
2} {
74 set key
[lindex $partition_list $i]
75 echo
[format $fstr $key [partition_start
$key] [partition_size
$key] [partition_desc
$key]]
80 # Magic to work with any targets, including semi-functional
81 proc prepare_target
{ } {
88 proc dump_part
{ name
filename } {
90 dump_image
$filename [partition_start
$name] [partition_size
$name]
93 proc erase_part
{ name
} {
95 flash erase_address
[partition_start
$name] [partition_size
$name]
98 proc flash_part
{ name
filename } {
100 flash write_image erase
$filename [partition_start
$name] bin
102 verify_image
$filename [partition_start
$name]
105 proc ram_boot
{ filename } {
106 global ram_boot_address
108 load_image
$filename $ram_boot_address bin
109 resume
$ram_boot_address