62 lines
1.6 KiB
INI
62 lines
1.6 KiB
INI
# script for stm32f2xxx
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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 stm32f2xxx
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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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# Work-area is a space in RAM used for flash programming
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# By default use 64kB
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if { [info exists WORKAREASIZE] } {
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set _WORKAREASIZE $WORKAREASIZE
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} else {
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set _WORKAREASIZE 0x10000
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}
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# JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz
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#
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# Since we may be running of an RC oscilator, we crank down the speed a
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# bit more to be on the safe side. Perhaps superstition, but if are
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# running off a crystal, we can run closer to the limit. Note
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# that there can be a pretty wide band where things are more or less stable.
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jtag_khz 1000
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jtag_nsrst_delay 100
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jtag_ntrst_delay 100
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#jtag scan chain
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if { [info exists CPUTAPID ] } {
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set _CPUTAPID $CPUTAPID
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} else {
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# See STM Document RM0033
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# Section 32.6.3 - corresponds to Cortex-M3 r2p0
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set _CPUTAPID 0x4ba00477
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}
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jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
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if { [info exists BSTAPID ] } {
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set _BSTAPID $BSTAPID
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} else {
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# See STM Document RM0033
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# Section 32.6.2
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#
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set _BSTAPID 0x06411041
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}
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jtag newtap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID
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set _TARGETNAME $_CHIPNAME.cpu
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target create $_TARGETNAME cortex_m3 -endian $_ENDIAN -chain-position $_TARGETNAME
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$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
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set _FLASHNAME $_CHIPNAME.flash
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flash bank $_FLASHNAME stm32f2x 0 0 0 0 $_TARGETNAME
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