# # Freescale Kinetis kw2xdxxx devices # source [find interface/cmsis-dap.cfg] # # K21 devices support both JTAG and SWD transports. # source [find target/swj-dp.tcl] if { [info exists CHIPNAME] } { set _CHIPNAME $CHIPNAME } else { set _CHIPNAME kw22d512 } # Work-area is a space in RAM used for flash programming set WORKAREASIZE 0x4000 if { [info exists WORKAREASIZE] } { set _WORKAREASIZE $WORKAREASIZE } else { set _WORKAREASIZE 0x1000 } if { [info exists ENDIAN] } { set _ENDIAN $ENDIAN } else { set _ENDIAN little } if { [info exists CPUTAPID] } { set _CPUTAPID $CPUTAPID } else { set _CPUTAPID 0x2ba01477 } set _TARGETNAME $_CHIPNAME.cpu swj_newdap $_CHIPNAME cpu -irlen 4 -expected-id $_CPUTAPID #swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID target create $_TARGETNAME cortex_m -chain-position $_CHIPNAME.cpu $_CHIPNAME.cpu configure -event examine-start { puts "START..." ; } # It is important that "kinetis mdm check_security" is called for # 'examine-end' event and not 'eximine-start'. Calling it in 'examine-start' # causes "kinetis mdm check_security" to fail the first time openocd # calls it when it tries to connect after the CPU has been power-cycled. $_CHIPNAME.cpu configure -event examine-end { kinetis mdm check_security } $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0 set _FLASHNAME $_CHIPNAME.flash flash bank $_FLASHNAME kinetis 0 0 0 0 $_TARGETNAME #reset_config srst_only srst_nogate connect_assert_srst adapter_khz 1000 if {![using_hla]} { # if srst is not fitted use SYSRESETREQ to # perform a soft reset cortex_m reset_config sysresetreq } $_TARGETNAME configure -event reset-init { adapter_khz 24000 }