Re: [OpenOCD-devel] OpenOCD on MX51

[Bojan <bbo...@gm...>]

Paul Fertser <fercerpav@...> writes:

> 
> On Sun, Oct 06, 2013 at 04:16:42PM +0000, Bojan M. wrote:
> > I am observing the same problems with iMX51 and openocd version 0.7.0.
> > Was there any progress on this? I am using iMX51evk board. Any help will be
> > appriciated!
> 
> First thing, try current git HEAD and report the debug log (run
> openocd with -d3). Second, try to disable caches. You can also try
> reaching kiwichris on IRC as he's working with another Cortex-A
> device and can probably clear some things up.
> 

imx51-jtagkey2.cfg script:

source [find interface/jtagkey2.cfg]
source [find target/imx51.cfg]

reset_config trst_and_srst separate trst_open_drain srst_open_drain
adapter_khz 6000

command:

openocd -d3 -f imx51-jtagkey2.cfg -c "init"

complete log:
Open On-Chip Debugger 0.8.0-dev-00204-g4f88521 (2013-10-07-10:25)
Licensed under GNU GPL v2
For bug reports, read
        http://openocd.sourceforge.net/doc/doxygen/bugs.html
User : 13 3 command.c:549 command_print(): debug_level: 3
Debug: 14 3 configuration.c:45 add_script_search_dir(): adding
/home/bojanm/.openocd
Debug: 15 3 configuration.c:45 add_script_search_dir(): adding
/usr/local/share/openocd/site
Debug: 16 3 configuration.c:45 add_script_search_dir(): adding
/usr/local/share/openocd/scripts
Debug: 17 3 configuration.c:86 find_file(): found imx51-jtagkey2.cfg
Debug: 18 3 configuration.c:86 find_file(): found
/usr/local/share/openocd/scripts/interface/jtagkey2.cfg
Debug: 19 3 command.c:145 script_debug(): command - ocd_command ocd_command
type ocd_interface ft2232
Debug: 20 3 command.c:145 script_debug(): command - interface ocd_interface
ft2232
Debug: 22 3 command.c:369 register_command_handler(): registering
'ocd_ft2232_device_desc'...
Debug: 23 3 command.c:369 register_command_handler(): registering
'ocd_ft2232_serial'...
Debug: 24 3 command.c:369 register_command_handler(): registering
'ocd_ft2232_layout'...
Debug: 25 3 command.c:369 register_command_handler(): registering
'ocd_ft2232_vid_pid'...
Debug: 26 3 command.c:369 register_command_handler(): registering
'ocd_ft2232_latency'...
Debug: 27 3 command.c:369 register_command_handler(): registering
'ocd_ft2232_channel'...
Info : 28 4 transport.c:118 allow_transports(): only one transport option;
autoselect 'jtag'
Debug: 29 4 command.c:369 register_command_handler(): registering
'ocd_jtag_flush_queue_sleep'...
Debug: 30 4 command.c:369 register_command_handler(): registering
'ocd_jtag_rclk'...
Debug: 31 4 command.c:369 register_command_handler(): registering
'ocd_jtag_ntrst_delay'...
Debug: 32 4 command.c:369 register_command_handler(): registering
'ocd_jtag_ntrst_assert_width'...
Debug: 33 4 command.c:369 register_command_handler(): registering
'ocd_scan_chain'...
Debug: 34 4 command.c:369 register_command_handler(): registering
'ocd_jtag_reset'...
Debug: 35 4 command.c:369 register_command_handler(): registering
'ocd_runtest'...
Debug: 36 4 command.c:369 register_command_handler(): registering
'ocd_irscan'...
Debug: 37 4 command.c:369 register_command_handler(): registering
'ocd_verify_ircapture'...
Debug: 38 4 command.c:369 register_command_handler(): registering
'ocd_verify_jtag'...
Debug: 39 4 command.c:369 register_command_handler(): registering
'ocd_tms_sequence'...
Debug: 40 4 command.c:369 register_command_handler(): registering
'ocd_wait_srst_deassert'...
Debug: 41 4 command.c:369 register_command_handler(): registering 'ocd_jtag'...
Debug: 42 4 command.c:369 register_command_handler(): registering 'ocd_jtag'...
Debug: 43 4 command.c:369 register_command_handler(): registering 'ocd_jtag'...
Debug: 44 4 command.c:369 register_command_handler(): registering 'ocd_jtag'...
Debug: 45 4 command.c:369 register_command_handler(): registering 'ocd_jtag'...
Debug: 46 4 command.c:369 register_command_handler(): registering 'ocd_jtag'...
Debug: 47 4 command.c:369 register_command_handler(): registering 'ocd_jtag'...
Debug: 48 4 command.c:369 register_command_handler(): registering 'ocd_jtag'...
Debug: 49 4 command.c:369 register_command_handler(): registering 'ocd_jtag'...
Debug: 50 4 command.c:369 register_command_handler(): registering 'ocd_jtag'...
Debug: 51 4 command.c:369 register_command_handler(): registering 'ocd_jtag'...
Debug: 52 4 command.c:369 register_command_handler(): registering 'ocd_jtag'...
Debug: 53 4 command.c:369 register_command_handler(): registering 'ocd_jtag'...
Debug: 54 4 command.c:369 register_command_handler(): registering 'ocd_svf'...
Debug: 55 4 command.c:369 register_command_handler(): registering 'ocd_xsvf'...
Debug: 56 5 command.c:145 script_debug(): command - ocd_command ocd_command
type ocd_ft2232_device_desc Amontec JTAGkey-2
Debug: 57 5 command.c:145 script_debug(): command - ft2232_device_desc
ocd_ft2232_device_desc Amontec JTAGkey-2
Debug: 59 5 command.c:145 script_debug(): command - ocd_command ocd_command
type ocd_ft2232_layout jtagkey
Debug: 60 5 command.c:145 script_debug(): command - ft2232_layout
ocd_ft2232_layout jtagkey
Debug: 62 5 command.c:145 script_debug(): command - ocd_command ocd_command
type ocd_ft2232_vid_pid 0x0403 0xCFF8
Debug: 63 5 command.c:145 script_debug(): command - ft2232_vid_pid
ocd_ft2232_vid_pid 0x0403 0xCFF8
Debug: 65 5 configuration.c:86 find_file(): found
/usr/local/share/openocd/scripts/target/imx51.cfg
Debug: 66 5 command.c:145 script_debug(): command - ocd_command ocd_command
type ocd_jtag newtap imx51 DAP -irlen 4 -ircapture 0x1 -irmask 0xf
-expected-id 0x1ba00477
Debug: 67 5 command.c:145 script_debug(): command - ocd_jtag ocd_jtag newtap
imx51 DAP -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id 0x1ba00477
Debug: 68 5 tcl.c:554 jim_newtap_cmd(): Creating New Tap, Chip: imx51, Tap:
DAP, Dotted: imx51.DAP, 8 params
Debug: 69 5 tcl.c:571 jim_newtap_cmd(): Processing option: -irlen
Debug: 70 5 tcl.c:571 jim_newtap_cmd(): Processing option: -ircapture
Debug: 71 5 tcl.c:571 jim_newtap_cmd(): Processing option: -irmask
Debug: 72 5 tcl.c:571 jim_newtap_cmd(): Processing option: -expected-id
Debug: 73 5 core.c:1321 jtag_tap_init(): Created Tap: imx51.DAP @ abs
position 0, irlen 4, capture: 0x1 mask: 0xf
Debug: 74 5 command.c:145 script_debug(): command - ocd_command ocd_command
type ocd_jtag newtap imx51 SDMA -irlen 4 -ircapture 0x0 -irmask 0xf
Debug: 75 6 command.c:145 script_debug(): command - ocd_jtag ocd_jtag newtap
imx51 SDMA -irlen 4 -ircapture 0x0 -irmask 0xf
Debug: 76 6 tcl.c:554 jim_newtap_cmd(): Creating New Tap, Chip: imx51, Tap:
SDMA, Dotted: imx51.SDMA, 6 params
Debug: 77 6 tcl.c:571 jim_newtap_cmd(): Processing option: -irlen
Debug: 78 6 tcl.c:571 jim_newtap_cmd(): Processing option: -ircapture
Warn : 79 6 tcl.c:500 jim_newtap_ir_param(): imx51.SDMA: nonstandard IR value
Debug: 80 6 tcl.c:571 jim_newtap_cmd(): Processing option: -irmask
Debug: 81 6 core.c:1321 jtag_tap_init(): Created Tap: imx51.SDMA @ abs
position 1, irlen 4, capture: 0x0 mask: 0xf
Debug: 82 6 command.c:145 script_debug(): command - ocd_command ocd_command
type ocd_jtag newtap imx51 SJC -irlen 5 -ircapture 0x1 -irmask 0x1f
-expected-id 0x0190c01d -ignore-version
Debug: 83 6 command.c:145 script_debug(): command - ocd_jtag ocd_jtag newtap
imx51 SJC -irlen 5 -ircapture 0x1 -irmask 0x1f -expected-id 0x0190c01d
-ignore-version
Debug: 84 6 tcl.c:554 jim_newtap_cmd(): Creating New Tap, Chip: imx51, Tap:
SJC, Dotted: imx51.SJC, 9 params
Debug: 85 6 tcl.c:571 jim_newtap_cmd(): Processing option: -irlen
Debug: 86 6 tcl.c:571 jim_newtap_cmd(): Processing option: -ircapture
Debug: 87 6 tcl.c:571 jim_newtap_cmd(): Processing option: -irmask
Debug: 88 6 tcl.c:571 jim_newtap_cmd(): Processing option: -expected-id
Debug: 89 6 tcl.c:571 jim_newtap_cmd(): Processing option: -ignore-version
Debug: 90 6 core.c:1321 jtag_tap_init(): Created Tap: imx51.SJC @ abs
position 2, irlen 5, capture: 0x1 mask: 0x1f
Debug: 91 6 command.c:145 script_debug(): command - ocd_command ocd_command
type ocd_target create imx51.cpu cortex_a -chain-position imx51.DAP
Debug: 92 6 command.c:145 script_debug(): command - ocd_target ocd_target
create imx51.cpu cortex_a -chain-position imx51.DAP
Debug: 93 6 target.c:1682 target_free_all_working_areas_restore(): freeing
all working areas
Debug: 94 6 command.c:369 register_command_handler(): registering 'ocd_arm'...
Debug: 95 6 command.c:369 register_command_handler(): registering 'ocd_arm'...
Debug: 96 6 command.c:369 register_command_handler(): registering 'ocd_arm'...
Debug: 97 6 command.c:369 register_command_handler(): registering 'ocd_arm'...
Debug: 98 6 command.c:369 register_command_handler(): registering 'ocd_arm'...
Debug: 99 6 command.c:369 register_command_handler(): registering 'ocd_arm'...
Debug: 100 6 command.c:369 register_command_handler(): registering 'ocd_dap'...
Debug: 101 6 command.c:369 register_command_handler(): registering 'ocd_dap'...
Debug: 102 6 command.c:369 register_command_handler(): registering 'ocd_dap'...
Debug: 103 6 command.c:369 register_command_handler(): registering 'ocd_dap'...
Debug: 104 6 command.c:369 register_command_handler(): registering 'ocd_dap'...
Debug: 105 6 command.c:369 register_command_handler(): registering 'ocd_dap'...
Debug: 106 6 command.c:369 register_command_handler(): registering
'ocd_cache_config'...
Debug: 107 6 command.c:369 register_command_handler(): registering
'ocd_cortex_a'...
Debug: 108 6 command.c:369 register_command_handler(): registering
'ocd_cortex_a'...
Debug: 109 6 command.c:369 register_command_handler(): registering
'ocd_cortex_a'...
Debug: 110 6 command.c:369 register_command_handler(): registering
'ocd_cortex_a'...
Debug: 111 6 command.c:369 register_command_handler(): registering
'ocd_cortex_a'...
Debug: 112 6 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 113 6 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 114 6 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 115 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 116 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 117 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 118 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 119 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 120 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 121 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 122 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 123 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 124 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 125 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 126 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 127 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 128 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 129 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 130 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 131 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 132 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 133 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 134 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 135 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 136 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 137 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 138 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 139 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 140 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 141 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 142 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 143 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 144 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 145 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 146 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 147 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 148 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 149 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 150 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 151 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 152 7 command.c:369 register_command_handler(): registering
'ocd_imx51.cpu'...
Debug: 153 7 command.c:145 script_debug(): command - ocd_command ocd_command
type ocd_jtag configure imx51.SJC -event post-reset runtest 100
Debug: 154 7 command.c:145 script_debug(): command - ocd_jtag ocd_jtag
configure imx51.SJC -event post-reset runtest 100
Debug: 155 7 command.c:145 script_debug(): command - ocd_command ocd_command
type ocd_jtag configure imx51.SJC -event setup jtag tapenable imx51.DAP
Debug: 156 8 command.c:145 script_debug(): command - ocd_jtag ocd_jtag
configure imx51.SJC -event setup jtag tapenable imx51.DAP
Debug: 157 8 command.c:145 script_debug(): command - ocd_command ocd_command
type ocd_imx51.cpu configure -event reset-assert-post imx51_dbginit imx51.cpu
Debug: 158 8 command.c:145 script_debug(): command - ocd_imx51.cpu
ocd_imx51.cpu configure -event reset-assert-post imx51_dbginit imx51.cpu
Debug: 159 8 command.c:145 script_debug(): command - ocd_command ocd_command
type ocd_reset_config trst_and_srst separate trst_open_drain srst_open_drain
Debug: 160 8 command.c:145 script_debug(): command - reset_config
ocd_reset_config trst_and_srst separate trst_open_drain srst_open_drain
User : 162 8 command.c:549 command_print(): trst_and_srst separate
srst_gates_jtag trst_open_drain srst_open_drain connect_deassert_srst
Debug: 163 8 command.c:145 script_debug(): command - ocd_command ocd_command
type ocd_adapter_khz 6000
Debug: 164 8 command.c:145 script_debug(): command - adapter_khz
ocd_adapter_khz 6000
Debug: 166 8 core.c:1646 jtag_config_khz(): handle jtag khz
Debug: 167 8 core.c:1613 adapter_khz_to_speed(): convert khz to interface
specific speed value
Debug: 168 8 core.c:1613 adapter_khz_to_speed(): convert khz to interface
specific speed value
User : 169 8 command.c:549 command_print(): adapter speed: 6000 kHz
Debug: 170 8 command.c:145 script_debug(): command - ocd_command ocd_command
type ocd_init
Debug: 171 8 command.c:145 script_debug(): command - init ocd_init
Debug: 173 8 command.c:145 script_debug(): command - ocd_command ocd_command
type ocd_target init
Debug: 174 8 command.c:145 script_debug(): command - ocd_target ocd_target init
Debug: 176 8 target.c:1245 handle_target_init_command(): Initializing targets...
Debug: 177 8 command.c:369 register_command_handler(): registering
'ocd_target_request'...
Debug: 178 8 command.c:369 register_command_handler(): registering
'ocd_trace'...
Debug: 179 8 command.c:369 register_command_handler(): registering
'ocd_trace'...
Debug: 180 8 command.c:369 register_command_handler(): registering
'ocd_fast_load_image'...
Debug: 181 8 command.c:369 register_command_handler(): registering
'ocd_fast_load'...
Debug: 182 8 command.c:369 register_command_handler(): registering
'ocd_profile'...
Debug: 183 8 command.c:369 register_command_handler(): registering
'ocd_virt2phys'...
Debug: 184 8 command.c:369 register_command_handler(): registering 'ocd_reg'...
Debug: 185 8 command.c:369 register_command_handler(): registering 'ocd_poll'...
Debug: 186 8 command.c:369 register_command_handler(): registering
'ocd_wait_halt'...
Debug: 187 8 command.c:369 register_command_handler(): registering 'ocd_halt'...
Debug: 188 8 command.c:369 register_command_handler(): registering
'ocd_resume'...
Debug: 189 8 command.c:369 register_command_handler(): registering
'ocd_reset'...
Debug: 190 8 command.c:369 register_command_handler(): registering
'ocd_soft_reset_halt'...
Debug: 191 8 command.c:369 register_command_handler(): registering 'ocd_step'...
Debug: 192 8 command.c:369 register_command_handler(): registering 'ocd_mdw'...
Debug: 193 8 command.c:369 register_command_handler(): registering 'ocd_mdh'...
Debug: 194 8 command.c:369 register_command_handler(): registering 'ocd_mdb'...
Debug: 195 8 command.c:369 register_command_handler(): registering 'ocd_mww'...
Debug: 196 8 command.c:369 register_command_handler(): registering 'ocd_mwh'...
Debug: 197 8 command.c:369 register_command_handler(): registering 'ocd_mwb'...
Debug: 198 8 command.c:369 register_command_handler(): registering 'ocd_bp'...
Debug: 199 9 command.c:369 register_command_handler(): registering 'ocd_rbp'...
Debug: 200 9 command.c:369 register_command_handler(): registering 'ocd_wp'...
Debug: 201 9 command.c:369 register_command_handler(): registering 'ocd_rwp'...
Debug: 202 9 command.c:369 register_command_handler(): registering
'ocd_load_image'...
Debug: 203 9 command.c:369 register_command_handler(): registering
'ocd_dump_image'...
Debug: 204 9 command.c:369 register_command_handler(): registering
'ocd_verify_image'...
Debug: 205 9 command.c:369 register_command_handler(): registering
'ocd_test_image'...
Debug: 206 9 command.c:369 register_command_handler(): registering
'ocd_reset_nag'...
Debug: 207 9 command.c:369 register_command_handler(): registering 'ocd_ps'...
Debug: 208 9 ft2232.c:2346 ft2232_init(): ft2232 interface using shortest
path jtag state transitions
Debug: 209 9 ft2232.c:2233 ft2232_init_libftdi(): 'ft2232' interface using
libftdi with 'jtagkey' layout (0403:cff8)
Debug: 210 41 ft2232.c:2272 ft2232_init_libftdi(): current latency timer: 2
Debug: 211 42 ft2232.c:2283 ft2232_init_libftdi(): FTDI chip type: 4 "2232H"
Debug: 212 42 ft2232.c:2308 ft2232_set_data_bits_low_byte(): 80 08 1b
Debug: 213 42 ft2232.c:2327 ft2232_set_data_bits_high_byte(): 82 0c 0f
Info : 214 42 ft2232.c:656 ftx232h_clk_divide_by_5(): max TCK change to:
30000 kHz
Debug: 215 42 core.c:1613 adapter_khz_to_speed(): convert khz to interface
specific speed value
Debug: 216 42 core.c:1616 adapter_khz_to_speed(): have interface set up
Debug: 217 42 ft2232.c:625 ftx232h_adaptive_clocking(): 97
Debug: 218 43 ft2232.c:684 ft2232_speed(): 86 04 00
Debug: 219 43 core.c:1613 adapter_khz_to_speed(): convert khz to interface
specific speed value
Debug: 220 43 core.c:1616 adapter_khz_to_speed(): have interface set up
Info : 221 43 core.c:1402 adapter_init(): clock speed 6000 kHz
Debug: 222 43 openocd.c:132 handle_init_command(): Debug Adapter init complete
Debug: 223 43 command.c:145 script_debug(): command - ocd_command
ocd_command type ocd_transport init
Debug: 224 43 command.c:145 script_debug(): command - ocd_transport
ocd_transport init
Debug: 226 43 transport.c:240 handle_transport_init(): handle_transport_init
Debug: 227 43 ft2232.c:1403 jtagkey_reset(): trst: 0, srst: 0, high_output:
0x0c, high_direction: 0x0f
Debug: 228 43 core.c:719 jtag_add_reset(): SRST line released
Debug: 229 43 core.c:743 jtag_add_reset(): TRST line released
Debug: 230 43 core.c:323 jtag_call_event_callbacks(): jtag event: TAP reset
Debug: 231 43 tcl.c:630 jtag_tap_handle_event(): JTAG tap: imx51.SJC event:
0 (post-reset)
        action: runtest 100
Debug: 232 43 command.c:145 script_debug(): command - ocd_command
ocd_command type ocd_runtest 100
Debug: 233 43 command.c:145 script_debug(): command - runtest ocd_runtest 100
User : 234 43 target.c:2323 handle_target(): Polling target imx51.cpu
failed, GDB will be halted. Polling again in 100ms
Debug: 235 43 target.c:1361 target_call_event_callbacks(): target event 0
(gdb-halt)
Debug: 237 43 command.c:145 script_debug(): command - ocd_command
ocd_command type ocd_jtag arp_init
Debug: 238 43 command.c:145 script_debug(): command - ocd_jtag ocd_jtag arp_init
Debug: 239 43 core.c:1415 jtag_init_inner(): Init JTAG chain
Debug: 240 43 core.c:323 jtag_call_event_callbacks(): jtag event: TAP reset
Debug: 241 43 tcl.c:630 jtag_tap_handle_event(): JTAG tap: imx51.SJC event:
0 (post-reset)
        action: runtest 100
Debug: 242 43 command.c:145 script_debug(): command - ocd_command
ocd_command type ocd_runtest 100
Debug: 243 43 command.c:145 script_debug(): command - runtest ocd_runtest 100
Debug: 245 43 core.c:1048 jtag_examine_chain(): DR scan interrogation for
IDCODE/BYPASS
Debug: 246 43 core.c:323 jtag_call_event_callbacks(): jtag event: TAP reset
Debug: 247 43 tcl.c:630 jtag_tap_handle_event(): JTAG tap: imx51.SJC event:
0 (post-reset)
        action: runtest 100
Debug: 248 43 command.c:145 script_debug(): command - ocd_command
ocd_command type ocd_runtest 100
Debug: 249 44 command.c:145 script_debug(): command - runtest ocd_runtest 100
User : 250 44 target.c:2323 handle_target(): Polling target imx51.cpu
failed, GDB will be halted. Polling again in 300ms
Debug: 251 44 target.c:1361 target_call_event_callbacks(): target event 0
(gdb-halt)
Info : 253 44 core.c:951 jtag_examine_chain_display(): JTAG tap: imx51.DAP
tap/device found: 0x1ba00477 (mfg: 0x23b, part: 0xba00, ver: 0x1)
Info : 254 44 core.c:1069 jtag_examine_chain(): TAP imx51.SDMA does not have
IDCODE
Info : 255 44 core.c:951 jtag_examine_chain_display(): JTAG tap: imx51.SJC
tap/device found: 0x1190c01d (mfg: 0x00e, part: 0x190c, ver: 0x1)
Debug: 256 44 core.c:1208 jtag_validate_ircapture(): IR capture validation scan
Debug: 257 46 core.c:1265 jtag_validate_ircapture(): imx51.DAP: IR capture 0x01
Debug: 258 46 core.c:1265 jtag_validate_ircapture(): imx51.SDMA: IR capture 0x00
Debug: 259 46 core.c:1265 jtag_validate_ircapture(): imx51.SJC: IR capture 0x01
Debug: 260 46 tcl.c:630 jtag_tap_handle_event(): JTAG tap: imx51.SJC event:
1 (setup)
        action: jtag tapenable imx51.DAP
Debug: 261 46 command.c:145 script_debug(): command - ocd_command
ocd_command type ocd_jtag tapenable imx51.DAP
Debug: 262 46 command.c:145 script_debug(): command - ocd_jtag ocd_jtag
tapenable imx51.DAP
Warn : 263 46 tcl.c:756 jim_jtag_tap_enabler(): failed to enable tap imx51.DAP
User : 264 46 tcl.c:634 jtag_tap_handle_event(): Runtime Error:
embedded:startup.tcl:20: 
in procedure 'jtag' 
in procedure 'ocd_bouncer' 
at file "embedded:startup.tcl", line 20
Debug: 265 46 openocd.c:145 handle_init_command(): Examining targets...
Debug: 266 46 target.c:1361 target_call_event_callbacks(): target event 21
(examine-start)
Debug: 267 46 arm_adi_v5.c:806 ahbap_debugport_init():  
Debug: 268 50 arm_adi_v5.c:908 ahbap_debugport_init(): MEM_AP Packed
Transfers: enabled
Debug: 269 54 arm_adi_v5.c:970 dap_find_ap(): Found APB-AP at AP index: 1
(IDR=0x04770002)
Debug: 270 56 arm_adi_v5.c:970 dap_find_ap(): Found AHB-AP at AP index: 0
(IDR=0x14770001)
Debug: 271 70 cortex_a.c:2463 cortex_a8_examine_first(): cpuid = 0x00000000
Debug: 272 70 cortex_a.c:2464 cortex_a8_examine_first(): ctypr = 0x00000000
Debug: 273 70 cortex_a.c:2465 cortex_a8_examine_first(): ttypr = 0x00000000
Debug: 274 70 cortex_a.c:2466 cortex_a8_examine_first(): didr = 0x00000000
Info : 275 70 arm_dpm.c:986 arm_dpm_setup(): imx51.cpu: hardware has 1
breakpoints, 1 watchpoints
Debug: 276 70 cortex_a.c:702 cortex_a8_bpwp_disable(): A8: bpwp disable, cr
00000140
Debug: 277 72 cortex_a.c:702 cortex_a8_bpwp_disable(): A8: bpwp disable, cr
000001c0
Debug: 278 74 cortex_a.c:2490 cortex_a8_examine_first(): Configured 1 hw
breakpoints
Debug: 279 74 cortex_a.c:173 cortex_a8_init_debug_access():  
Debug: 280 80 cortex_a.c:845 cortex_a8_poll(): Unknown target state dscr =
0x00000000
Debug: 281 80 target.c:1361 target_call_event_callbacks(): target event 22
(examine-end)
Debug: 282 80 command.c:145 script_debug(): command - ocd_command
ocd_command type ocd_flash init
Debug: 283 80 command.c:145 script_debug(): command - ocd_flash ocd_flash init
Debug: 285 80 tcl.c:848 handle_flash_init_command(): Initializing flash
devices...
Debug: 286 80 command.c:145 script_debug(): command - ocd_command
ocd_command type ocd_mflash init
Debug: 287 80 command.c:145 script_debug(): command - ocd_mflash ocd_mflash init
Debug: 289 80 mflash.c:1379 handle_mflash_init_command(): Initializing
mflash devices...
Debug: 290 80 command.c:145 script_debug(): command - ocd_command
ocd_command type ocd_nand init
Debug: 291 80 command.c:145 script_debug(): command - ocd_nand ocd_nand init
Debug: 293 80 tcl.c:497 handle_nand_init_command(): Initializing NAND devices...
Debug: 294 80 command.c:145 script_debug(): command - ocd_command
ocd_command type ocd_pld init
Debug: 295 80 command.c:145 script_debug(): command - ocd_pld ocd_pld init
Debug: 296 82 cortex_a.c:845 cortex_a8_poll(): Unknown target state dscr =
0x00000000
User : 297 82 target.c:2333 handle_target(): Polling target imx51.cpu
succeeded again
Debug: 299 82 pld.c:207 handle_pld_init_command(): Initializing PLDs...
Debug: 300 82 command.c:145 script_debug(): command - ocd_command
ocd_command type ocd_init
Debug: 301 82 command.c:145 script_debug(): command - init ocd_init
Debug: 302 84 cortex_a.c:845 cortex_a8_poll(): Unknown target state dscr =
0x00000000
Debug: 304 185 cortex_a.c:845 cortex_a8_poll(): Unknown target state dscr =
0x00000000
Debug: 305 285 cortex_a.c:845 cortex_a8_poll(): Unknown target state dscr =
0x00000000
Debug: 306 385 cortex_a.c:845 cortex_a8_poll(): Unknown target state dscr =
0x00000000
Debug: 307 486 cortex_a.c:845 cortex_a8_poll(): Unknown target state dscr =
0x00000000
Debug: 308 587 cortex_a.c:845 cortex_a8_poll(): Unknown target state dscr =
0x00000000
Debug: 309 687 cortex_a.c:845 cortex_a8_poll(): Unknown target state dscr =
0x00000000

regards,
Bojan