tcl/target/kx.cfg

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 #
   4 # NXP (former Freescale) Kinetis Kx series devices
   5 # Also used for Cortex-M4 equipped members of KVx and KE1xF series
   6 #
   7
   8 source [find target/swj-dp.tcl]
   9
  10 if { [info exists CHIPNAME] } {
  11     set _CHIPNAME $CHIPNAME
  12 } else {
  13     set _CHIPNAME kx
  14 }
  15
  16 # Work-area is a space in RAM used for flash programming
  17 # By default use 4kB
  18 if { [info exists WORKAREASIZE] } {
  19    set _WORKAREASIZE $WORKAREASIZE
  20 } else {
  21    set _WORKAREASIZE 0x1000
  22 }
  23
  24 if { [info exists CPUTAPID] } {
  25     set _CPUTAPID $CPUTAPID
  26 } else {
  27    if { [using_jtag] } {
  28       set _CPUTAPID 0x4ba00477
  29    } {
  30       set _CPUTAPID 0x2ba01477
  31    }
  32 }
  33
  34 swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
  35 dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
  36
  37 set _TARGETNAME $_CHIPNAME.cpu
  38 target create $_TARGETNAME cortex_m -dap $_CHIPNAME.dap
  39
  40 $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
  41
  42 set _FLASHNAME $_CHIPNAME.pflash
  43 flash bank $_FLASHNAME kinetis 0 0 0 0 $_TARGETNAME
  44 kinetis create_banks
  45
  46 adapter speed 1000
  47
  48 reset_config srst_nogate
  49
  50 if {[using_hla]} {
  51    echo ""
  52    echo "!!!!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!"
  53    echo " Kinetis MCUs have a MDM-AP dedicated mainly to MCU security related functions."
  54    echo " A high level adapter (like a ST-Link) you are currently using cannot access"
  55    echo " the MDM-AP, so commands like 'mdm mass_erase' are not available in your"
  56    echo " configuration. Also security locked state of the device will not be reported."
  57    echo " Expect problems connecting to a blank device without boot ROM."
  58    echo ""
  59    echo " Be very careful as you can lock the device though there is no way to unlock"
  60    echo " it without mass erase. Don't set write protection on the first block."
  61    echo "!!!!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!"
  62    echo ""
  63 } else {
  64    # Detect secured MCU or boot lock-up in RESET/WDOG loop
  65    $_TARGETNAME configure -event examine-fail {
  66       kinetis mdm check_security
  67    }
  68    # During RESET/WDOG loop the target is sometimes falsely examined
  69    $_TARGETNAME configure -event examine-end {
  70       kinetis mdm check_security
  71    }
  72
  73    # if srst is not fitted use SYSRESETREQ to
  74    # perform a soft reset
  75    cortex_m reset_config sysresetreq
  76 }
  77
  78 # Disable watchdog not to disturb OpenOCD algorithms running on MCU
  79 # (e.g. armv7m_checksum_memory() in verify_image)
  80 # Flash driver also disables watchdog before FTFA flash programming.
  81 $_TARGETNAME configure -event reset-init {
  82    kinetis disable_wdog
  83 }