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104 lines
4.0 KiB
104 lines
4.0 KiB
OpenOCD config files for Kinetis
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================================
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http://nemuisan.blog.bai.ne.jp/?eid=192848#OPENOCD
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These are needed for debug and programing bootloader with SWD. To flash keyboard firmware use 'dfu-util'.
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Flash security of Freescale kinetis
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-----------------------------------
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If FSEC of flash config is changed accidentally SWD/JTAG you can't get debug access until doing 'mdm mass_erase' with JTAG, CMSIS-DAP or OpenSAD adapter. HLA(high level adapter) like stlink doesn't work for this.
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Example
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-------
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Debug:
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$ openocd -s tool -f tool/openocd.cfg
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$ arm-none-eabi-gdb build/infinity.elf -ex "target remote localhost:3333"
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Flash bootloader:
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$ openocd -s tool -f tool/openocd.cfg -c "mt_flash kiibohd_bootloader.bin"
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Infinity SWD pinout
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-------------------
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SWD pins are placed next to reset button; SWD_CLK, SWD_DIO, GND, 5V from top.
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Note that RESET is also needed to get full control with OpenOCD.
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--------
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| ___ o |CLK
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||RST| o |DIO
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||BTN| o |GND
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| --- o |5V
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--------
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Kinetis sercure state
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----------------------
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openocd 0.9.0
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Warn : *********** ATTENTION! ATTENTION! ATTENTION! ATTENTION! **********
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Warn : **** ****
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Warn : **** Your Kinetis MCU is in secured state, which means that, ****
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Warn : **** with exception for very basic communication, JTAG/SWD ****
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Warn : **** interface will NOT work. In order to restore its ****
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Warn : **** functionality please issue 'kinetis mdm mass_erase' ****
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Warn : **** command, power cycle the MCU and restart OpenOCD. ****
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Warn : **** ****
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Warn : *********** ATTENTION! ATTENTION! ATTENTION! ATTENTION! **********
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Info : MDM: Chip is unsecured. Continuing.
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target state: halted
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target halted due to debug-request, current mode: Thread
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xPSR: 0x01000000 pc: 0xfffffffe msp: 0xfffffffc
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auto erase enabled
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Info : Probing flash info for bank 0
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Warn : flash configuration field erased, please reset the device
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wrote 4096 bytes from file kiibohd_bootloader.bin in 2.442562s (1.638 KiB/s)
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Info : MDM: Chip is unsecured. Continuing.
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Open On-Chip Debugger 0.9.0-dev-00346-g3e1dfdc-dirty (2015-03-21-20:41)
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Licensed under GNU GPL v2
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For bug reports, read
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http://openocd.sourceforge.net/doc/doxygen/bugs.html
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Info : only one transport option; autoselect 'cmsis-dap'
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Kinetis MUST need Hardware SRST Control to Recover Secure-State!
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adapter_nsrst_delay: 200
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srst_only separate srst_gates_jtag srst_open_drain connect_deassert_srst
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Info : add flash_bank kinetis k20.pflash
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cortex_m reset_config sysresetreq
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adapter speed: 1000 kHz
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srst_only separate srst_nogate srst_open_drain connect_assert_srst
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Info : CMSIS-DAP: SWD Supported
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Info : CMSIS-DAP: Interface Initialised (SWD)
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Info : CMSIS-DAP: FW Version = 1.0
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Info : SWCLK/TCK = 0 SWDIO/TMS = 1 TDI = 0 TDO = 0 nTRST = 0 nRESET = 1
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Info : Connecting under reset
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Info : DAP_SWJ Sequence (reset: 50+ '1' followed by 0)
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Info : CMSIS-DAP: Interface ready
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Info : clock speed 1000 kHz
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Info : IDCODE 0x2ba01477
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Warn : Adapter returned success despite SSTICKYERR being set.
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Warn : Adapter returned success despite SSTICKYERR being set.
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Warn : Adapter returned success despite SSTICKYERR being set.
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Warn : Adapter returned success despite SSTICKYERR being set.
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Info : k20.cpu: hardware has 6 breakpoints, 4 watchpoints
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Info : MDM: Chip is unsecured. Continuing.
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Info : MDM: Chip is unsecured. Continuing.
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target state: halted
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target halted due to debug-request, current mode: Thread
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xPSR: 0x01000000 pc: 0xfffffffe msp: 0xfffffffc
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auto erase enabled
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Info : Probing flash info for bank 0
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Warn : flash configuration field erased, please reset the device
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wrote 4096 bytes from file kiibohd_bootloader.bin in 2.446902s (1.635 KiB/s)
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Info : MDM: Chip is unsecured. Continuing.
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Info : Halt timed out, wake up GDB.
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Error: timed out while waiting for target halted
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Runtime Error: tool/k20dx32_flash.cfg:81:
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in procedure 'mt_flash'
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in procedure 'halt' called at file "tool/k20dx32_flash.cfg", line 81
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