2 # Freescale Kinetis KL25 devices
6 # KL25 devices support both JTAG and SWD transports.
8 source [find target/swj-dp.tcl]
10 if { [info exists CHIPNAME] } {
11 set _CHIPNAME $CHIPNAME
16 if { [info exists ENDIAN] } {
22 # Work-area is a space in RAM used for flash programming
24 if { [info exists WORKAREASIZE] } {
25 set _WORKAREASIZE $WORKAREASIZE
27 set _WORKAREASIZE 0x1000
30 if { [info exists CPUTAPID] } {
31 set _CPUTAPID $CPUTAPID
33 set _CPUTAPID 0x0bc11477
36 swj_newdap $_CHIPNAME cpu -irlen 4 -expected-id $_CPUTAPID
38 set _TARGETNAME $_CHIPNAME.cpu
39 target create $_TARGETNAME cortex_m -endian $_ENDIAN -chain-position $_CHIPNAME.cpu
41 # It is important that "kinetis mdm check_security" is called for
42 # 'examine-end' event and not 'eximine-start'. Calling it in 'examine-start'
43 # causes "kinetis mdm check_security" to fail the first time openocd
44 # calls it when it tries to connect after the CPU has been power-cycled.
45 $_CHIPNAME.cpu configure -event examine-end {
46 kinetis mdm check_security
49 $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
51 set _FLASHNAME $_CHIPNAME.flash
52 flash bank $_FLASHNAME kinetis 0 0 0 0 $_TARGETNAME
54 # Table 5-1. Clock Summary of KL25 Sub-Family Reference Manual
55 # specifies up to 1MHz for VLPR mode.
58 reset_config srst_nogate
61 # if srst is not fitted use SYSRESETREQ to
62 # perform a soft reset
63 cortex_m reset_config sysresetreq
66 $_TARGETNAME configure -event reset-init {
67 # Table 5-1. Clock Summary of KL25 Sub-Family Reference Manual
68 # specifies up to 24MHz for run mode; Table 17 of Sub-Family Data
69 # Sheet rev4 lists 25MHz as the maximum frequency.