General Actions:
jtag_oocd
Last modified by Administrator on 2018/10/21 17:19
Contents
OpenOCD 0.9.0
Download cfg files
wget https://www.voipac.com/downloads/imx/jtag/vmx25-oocd-0.9.0.cfg
wget https://www.voipac.com/downloads/imx/25/bin/barebox/barebox-vmx25-1.0.img
wget https://www.voipac.com/downloads/imx/25/bin/barebox/barebox-vmx25-1.0.img
Install OpenOCD
sudo apt-get install openocd
Run OpenOCD
/opt/openocd/bin/openocd -f vmx25-oocd-0.9.0.cfg
Run telnet
telnet localhost 4444
Load bootloader
Telnet session
reset halt
vmx25_init
boot barebox-vmx25-1.0.img
vmx25_init
boot barebox-vmx25-1.0.img
Telnet log
[email protected]:~$ telnet localhost 4444
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
Open On-Chip Debugger
> reset halt
JTAG tap: imx25.etb tap/device found: 0x1b900f0f (mfg: 0x787, part: 0xb900, ver: 0x1)
JTAG tap: imx25.cpu tap/device found: 0x07926041 (mfg: 0x020, part: 0x7926, ver: 0x0)
TAP imx25.whatchacallit does not have IDCODE
JTAG tap: imx25.sdma tap/device found: 0x0882301d (mfg: 0x00e, part: 0x8823, ver: 0x0)
target state: halted
target halted in ARM state due to breakpoint, current mode: Supervisor
cpsr: 0x000000d3 pc: 0x00000000
MMU: disabled, D-Cache: disabled, I-Cache: disabled
> vmx25_init
Configuring VMX25...
JTAG tap: imx25.etb tap/device found: 0x1b900f0f (mfg: 0x787, part: 0xb900, ver: 0x1)
JTAG tap: imx25.cpu tap/device found: 0x07926041 (mfg: 0x020, part: 0x7926, ver: 0x0)
TAP imx25.whatchacallit does not have IDCODE
JTAG tap: imx25.sdma tap/device found: 0x0882301d (mfg: 0x00e, part: 0x8823, ver: 0x0)
target state: halted
target halted in ARM state due to breakpoint, current mode: Supervisor
cpsr: 0x000000d3 pc: 0x00000000
MMU: disabled, D-Cache: disabled, I-Cache: disabled
Initialisation completed...
> boot barebox-vmx25-1.0.img
core state: ARM
400396 bytes written at address 0x80000000
downloaded 400396 bytes in 3.547603s (110.219 KiB/s)
target state: halted
target halted in ARM state due to breakpoint, current mode: Supervisor
cpsr: 0x400000d3 pc: 0x80000050
MMU: disabled, D-Cache: disabled, I-Cache: disabled
>
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
Open On-Chip Debugger
> reset halt
JTAG tap: imx25.etb tap/device found: 0x1b900f0f (mfg: 0x787, part: 0xb900, ver: 0x1)
JTAG tap: imx25.cpu tap/device found: 0x07926041 (mfg: 0x020, part: 0x7926, ver: 0x0)
TAP imx25.whatchacallit does not have IDCODE
JTAG tap: imx25.sdma tap/device found: 0x0882301d (mfg: 0x00e, part: 0x8823, ver: 0x0)
target state: halted
target halted in ARM state due to breakpoint, current mode: Supervisor
cpsr: 0x000000d3 pc: 0x00000000
MMU: disabled, D-Cache: disabled, I-Cache: disabled
> vmx25_init
Configuring VMX25...
JTAG tap: imx25.etb tap/device found: 0x1b900f0f (mfg: 0x787, part: 0xb900, ver: 0x1)
JTAG tap: imx25.cpu tap/device found: 0x07926041 (mfg: 0x020, part: 0x7926, ver: 0x0)
TAP imx25.whatchacallit does not have IDCODE
JTAG tap: imx25.sdma tap/device found: 0x0882301d (mfg: 0x00e, part: 0x8823, ver: 0x0)
target state: halted
target halted in ARM state due to breakpoint, current mode: Supervisor
cpsr: 0x000000d3 pc: 0x00000000
MMU: disabled, D-Cache: disabled, I-Cache: disabled
Initialisation completed...
> boot barebox-vmx25-1.0.img
core state: ARM
400396 bytes written at address 0x80000000
downloaded 400396 bytes in 3.547603s (110.219 KiB/s)
target state: halted
target halted in ARM state due to breakpoint, current mode: Supervisor
cpsr: 0x400000d3 pc: 0x80000050
MMU: disabled, D-Cache: disabled, I-Cache: disabled
>
OpenOCD 0.6.0
Download cfg files
wget https://www.voipac.com/downloads/imx/jtag/vmx25-oocd-0.6.0.cfg
wget https://www.voipac.com/downloads/imx/25/bin/barebox/barebox-vmx25-1.0.img
wget https://www.voipac.com/downloads/imx/25/bin/barebox/barebox-vmx25-1.0.img
Install OpenOCD
sudo apt-get install openocd
Run OpenOCD
/opt/openocd/bin/openocd -f vmx25-oocd-0.6.0.cfg
Run telnet
telnet localhost 4444
Load bootloader
Telnet session
reset halt
vmx25_init
boot barebox-vmx25-1.0.img
vmx25_init
boot barebox-vmx25-1.0.img
Telnet log