0d222db31f
- watchdog is timed out before disabling it by mbed startup - old booloader disable watchdog while new(2015/01) doesn't
139 lines
3.3 KiB
INI
139 lines
3.3 KiB
INI
# 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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# 0.8.0 has no these procs
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proc using_jtag {} {
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set _TRANSPORT [ transport select ]
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expr { [ string first "jtag" $_TRANSPORT ] != -1 }
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}
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proc using_swd {} {
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set _TRANSPORT [ transport select ]
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expr { [ string first "swd" $_TRANSPORT ] != -1 }
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}
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proc using_hla {} {
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set _TRANSPORT [ transport select ]
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expr { [ string first "hla" $_TRANSPORT ] != -1 }
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}
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source [find target/swj-dp.tcl]
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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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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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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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# 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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# 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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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 $_TARGETNAME
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# It is important that "kinetis mdm check_security" is called for
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# 'examine-end' event and not 'eximine-start'. Calling it in 'examine-start'
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# causes "kinetis mdm check_security" to fail the first time openocd
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# calls it when it tries to connect after the CPU has been power-cycled.
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$_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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# 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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# 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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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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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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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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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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proc mass_erase {} {
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kinetis mdm mass_erase
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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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#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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