tcl/target/kx.cfg

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