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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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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 |