2 # NXP (former Freescale) Kinetis KL series devices
3 # Also used for Cortex-M0+ equipped members of KVx and KE1xZ series
6 source [find target/swj-dp.tcl]
8 if { [info exists CHIPNAME] } {
9 set _CHIPNAME $CHIPNAME
14 # Work-area is a space in RAM used for flash programming
16 if { [info exists WORKAREASIZE] } {
17 set _WORKAREASIZE $WORKAREASIZE
19 set _WORKAREASIZE 0x400
22 if { [info exists CPUTAPID] } {
23 set _CPUTAPID $CPUTAPID
25 set _CPUTAPID 0x0bc11477
28 swj_newdap $_CHIPNAME cpu -irlen 4 -expected-id $_CPUTAPID
29 dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
31 set _TARGETNAME $_CHIPNAME.cpu
32 target create $_TARGETNAME cortex_m -dap $_CHIPNAME.dap
34 $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
36 set _FLASHNAME $_CHIPNAME.pflash
37 flash bank $_FLASHNAME kinetis 0 0 0 0 $_TARGETNAME
40 # Table 5-1. Clock Summary of KL25 Sub-Family Reference Manual
41 # specifies up to 1MHz for VLPR mode and up to 24MHz for run mode;
42 # Table 17 of Sub-Family Data Sheet rev4 lists 25MHz as the maximum frequency.
45 reset_config srst_nogate
49 echo "!!!!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!"
50 echo " Kinetis MCUs have a MDM-AP dedicated mainly to MCU security related functions."
51 echo " A high level adapter (like a ST-Link) you are currently using cannot access"
52 echo " the MDM-AP, so commands like 'mdm mass_erase' are not available in your"
53 echo " configuration. Also security locked state of the device will not be reported."
55 echo " Be very careful as you can lock the device though there is no way to unlock"
56 echo " it without mass erase. Don't set write protection on the first block."
57 echo "!!!!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!"
60 # Detect secured MCU or boot lock-up in RESET/WDOG loop
61 $_CHIPNAME.cpu configure -event examine-start {
62 kinetis mdm check_security
65 # if srst is not fitted use SYSRESETREQ to
66 # perform a soft reset
67 cortex_m reset_config sysresetreq
70 # Disable watchdog not to disturb OpenOCD algorithms running on MCU
71 # (e.g. armv7m_checksum_memory() in verify_image)
72 # Flash driver also disables watchdog before FTFA flash programming.
73 $_TARGETNAME configure -event reset-init {