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+# FreeScale Kinetis K20 devices with 32kB Flash and 8kB Local On-Chip SRAM,
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+# Nemuisan's Special for MK20DN32VFT5,MK20DX32VFT5,MK10DN32VFT5,MK10DX32VFT5
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+
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+
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+source [find target/swj-dp.tcl]
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+
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+if { [info exists CHIPNAME] } {
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+ set _CHIPNAME $CHIPNAME
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+} else {
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+ set _CHIPNAME k20
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+}
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+
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+if { [info exists ENDIAN] } {
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+ set _ENDIAN $ENDIAN
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+} else {
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+ set _ENDIAN little
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+}
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+
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+if { [info exists CPUTAPID] } {
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+ set _CPUTAPID $CPUTAPID
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+} else {
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+ if { [using_jtag] } {
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+ set _CPUTAPID 0x4BA00477
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+ } {
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+ # this is the SW-DP tap id not the jtag tap id
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+ set _CPUTAPID 0x2BA01477
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+ }
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+}
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+
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+# Work-area is a space in RAM used for flash programming
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+# By default use 8kB
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+if { [info exists WORKAREASIZE] == 0 } {
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+ set _WORKAREASIZE 0x2000
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+}
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+
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+# Select "srst_only", Nemuisan said so!
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+echo "Kinetis MUST need Hardware SRST Control to Recover Secure-State!"
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+adapter_nsrst_delay 200
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+reset_config srst_only
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+
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+swj_newdap $_CHIPNAME cpu -irlen 4 -expected-id $_CPUTAPID
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+set _TARGETNAME $_CHIPNAME.cpu
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+target create $_TARGETNAME cortex_m -chain-position $_TARGETNAME
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+
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+# It is important that "kinetis mdm check_security" is called for
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+# 'examine-end' event and not 'eximine-start'. Calling it in 'examine-start'
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+# causes "kinetis mdm check_security" to fail the first time openocd
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+# calls it when it tries to connect after the CPU has been power-cycled.
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+$_CHIPNAME.cpu configure -event examine-end {
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+ kinetis mdm check_security
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+# Uncomment when gone into s*ck'n secured state!
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+# kinetis mdm mass_erase
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+}
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+
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+# K20 has minimun 8kB of SRAM and starts at 1FFFF000.
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+$_TARGETNAME configure -work-area-phys 0x1FFFF000 -work-area-size $_WORKAREASIZE -work-area-backup 0 -rtos auto
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+
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+# MK20DN32VFT5,MK20DX32VFT5,MK10DN32VFT5,MK10DX32VFT5 has 32kB of flash memory.
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+flash bank $_CHIPNAME.pflash kinetis 0x00000000 0x8000 0 4 $_TARGETNAME
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+
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+
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+proc mt_flash {IMGFILE} {
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+ flash write_image erase $IMGFILE
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+ reset run
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+ halt
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+ verify_image $IMGFILE
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+ reset run
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+ shutdown
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+}
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+
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+proc mt_flash_bin {IMGFILE OFFSET} {
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+ flash write_image erase $IMGFILE $OFFSET bin
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+ reset run
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+ halt
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+ verify_image $IMGFILE $OFFSET bin
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+ reset run
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+ shutdown
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+}
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+
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+proc mt_flash_hex {IMGFILE} {
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+ flash write_image erase $IMGFILE 0 ihex
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+ reset run
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+ halt
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+ verify_image $IMGFILE 0 ihex
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+ reset run
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+ shutdown
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+}
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+
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+proc mt_flash_srec {IMGFILE} {
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+ flash write_image erase $IMGFILE 0 s19
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+ reset run
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+ halt
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+ verify_image $IMGFILE 0 s19
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+ reset run
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+ shutdown
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+}
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+
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+proc mass_erase {} {
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+ kinetis mdm mass_erase
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+}
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+
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+proc eraser {} {
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+# Verbose procedure confirmed erase routine
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+ flash info 0
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+# CAUTION! "flash erase_sector 0 0 last" goes into secure state!!!
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+# USE "mass_erase" command instead of
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+# flash erase_sector 0 0 last
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+ mass_erase
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+ shutdown
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+}
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+
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+
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+#debug_level 3
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+# HLA doesn't have cortex_m commands
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+if {![using_hla]} {
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+ # if srst is not fitted use SYSRESETREQ to
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+ # perform a soft reset
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+ cortex_m reset_config sysresetreq
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+}
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+adapter_khz 1000
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+reset_config srst_only srst_nogate connect_assert_srst
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+gdb_target_description disable
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+init
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+reset init
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Jun Wako