tcl/target/klx.cfg

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 #
   4 # NXP (former Freescale) Kinetis KL series devices
   5 # Also used for Cortex-M0+ equipped members of KVx and KE1xZ 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 klx
  14 }
  15
  16 # Work-area is a space in RAM used for flash programming
  17 # By default use 1KiB
  18 if { [info exists WORKAREASIZE] } {
  19    set _WORKAREASIZE $WORKAREASIZE
  20 } else {
  21    set _WORKAREASIZE 0x400
  22 }
  23
  24 if { [info exists CPUTAPID] } {
  25     set _CPUTAPID $CPUTAPID
  26 } else {
  27     set _CPUTAPID 0x0bc11477
  28 }
  29
  30 swj_newdap $_CHIPNAME cpu -irlen 4 -expected-id $_CPUTAPID
  31 dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
  32
  33 set _TARGETNAME $_CHIPNAME.cpu
  34 target create $_TARGETNAME cortex_m -dap $_CHIPNAME.dap
  35
  36 $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
  37
  38 set _FLASHNAME $_CHIPNAME.pflash
  39 flash bank $_FLASHNAME kinetis 0 0 0 0 $_TARGETNAME
  40 kinetis create_banks
  41
  42 # Table 5-1. Clock Summary of KL25 Sub-Family Reference Manual
  43 # specifies up to 1MHz for VLPR mode and up to 24MHz for run mode;
  44 # Table 17 of Sub-Family Data Sheet rev4 lists 25MHz as the maximum frequency.
  45 adapter speed 1000
  46
  47 reset_config srst_nogate
  48
  49 if {[using_hla]} {
  50    echo ""
  51    echo "!!!!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!"
  52    echo " Kinetis MCUs have a MDM-AP dedicated mainly to MCU security related functions."
  53    echo " A high level adapter (like a ST-Link) you are currently using cannot access"
  54    echo " the MDM-AP, so commands like 'mdm mass_erase' are not available in your"
  55    echo " configuration. Also security locked state of the device will not be reported."
  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
  63    $_TARGETNAME configure -event examine-fail {
  64       kinetis mdm check_security
  65    }
  66
  67    # if srst is not fitted use SYSRESETREQ to
  68    # perform a soft reset
  69    cortex_m reset_config sysresetreq
  70 }
  71
  72 # Disable watchdog not to disturb OpenOCD algorithms running on MCU
  73 # (e.g. armv7m_checksum_memory() in verify_image)
  74 # Flash driver also disables watchdog before FTFA flash programming.
  75 $_TARGETNAME configure -event reset-init {
  76    kinetis disable_wdog
  77 }