openocd imx7 colibri

$ #output of openocd
$ sudo build/bin/openocd -f tcl/interface/ftdi/dp_busblasg -f tcl/board/nxp_imx7sabre.cfg
Open On-Chip Debugger 0.10.0+dev-00403-g3737dd6 (2018-04-23-09:42)
Licensed under GNU GPL v2
For bug reports, read
        http://openocd.org/doc/doxygen/bugs.html
Info : If you need SWD support, flash KT-Link buffer from https://github.com/bharrisau/busblaster
and use dp_busblaster_kt-link.cfg instead
adapter speed: 1000 kHz
trst_and_srst separate srst_gates_jtag trst_push_pull srst_push_pull connect_deassert_srst
adapter_nsrst_delay: 100
Info : Listening on port 6666 for tcl connections
Info : Listening on port 4444 for telnet connections
Info : clock speed 1000 kHz
Info : JTAG tap: imx7.cpu tap/device found: 0x5ba00477 (mfg: 0x23b (ARM Ltd.), part: 0xba00, ver: 0x5)
Info : imx7.cpu_a7.0: hardware has 6 breakpoints, 4 watchpoints
Info : imx7.cpu_a7.0 rev 5, partnum c07, arch f, variant 0, implementor 41
Info : imx7.cpu_a7.0 cluster 0 core 0 multi core
Info : Listening on port 3333 for gdb connections
Info : Listening on port 3334 for gdb connections
# Telnet connexion
Info : accepting 'telnet' connection on tcp/4444
# running 'reset init' from telnet
Info : JTAG tap: imx7.cpu tap/device found: 0x5ba00477 (mfg: 0x23b (ARM Ltd.), part: 0xba00, ver: 0x5)
Info : Deferring arp_examine of imx7.cpu_a7.1
Info : Use arp_examine command to examine it manually!
Info : Deferring arp_examine of imx7.cpu_m4
Info : Use arp_examine command to examine it manually!
target halted in ARM state due to debug-request, current mode: Undefined instruction
cpsr: 0x200001db pc: 0x9ffb3fe0
Info : imx7.cpu_a7.0 rev 5, partnum c07, arch f, variant 0, implementor 41
MMU: disabled, D-Cache: disabled, I-Cache: enabled
Warn : imx7.cpu_a7.1: ran after reset and before halt ...
memory bus access delay set to 0 tck

# Output from telnet
$ telnet localhost 4444
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
Open On-Chip Debugger
> reset init
JTAG tap: imx7.cpu tap/device found: 0x5ba00477 (mfg: 0x23b (ARM Ltd.), part: 0xba00, ver: 0x5)
Deferring arp_examine of imx7.cpu_a7.1
Use arp_examine command to examine it manually!
Deferring arp_examine of imx7.cpu_m4
Use arp_examine command to examine it manually!
target halted in ARM state due to debug-request, current mode: Undefined instruction
cpsr: 0x200001db pc: 0x9ffb3fe0
imx7.cpu_a7.0 rev 5, partnum c07, arch f, variant 0, implementor 41
MMU: disabled, D-Cache: disabled, I-Cache: enabled
imx7.cpu_a7.1: ran after reset and before halt ...
memory bus access delay set to 0 tck
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