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- # script for stm32f3xxx
- if { [info exists CHIPNAME] } {
- set _CHIPNAME $CHIPNAME
- } else {
- set _CHIPNAME stm32f3xxx
- }
- if { [info exists ENDIAN] } {
- set _ENDIAN $ENDIAN
- } else {
- set _ENDIAN little
- }
- # Work-area is a space in RAM used for flash programming
- # By default use 64kB
- if { [info exists WORKAREASIZE] } {
- set _WORKAREASIZE $WORKAREASIZE
- } else {
- set _WORKAREASIZE 0x10000
- }
- # JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz
- #
- # Since we may be running of an RC oscilator, we crank down the speed a
- # bit more to be on the safe side. Perhaps superstition, but if are
- # running off a crystal, we can run closer to the limit. Note
- # that there can be a pretty wide band where things are more or less stable.
- adapter_khz 4000
- adapter_nsrst_delay 100
- jtag_ntrst_delay 100
- #jtag scan chain
- if { [info exists CPUTAPID ] } {
- set _CPUTAPID $CPUTAPID
- } else {
- # See STM Document RM0033
- # Section 32.6.3 - corresponds to Cortex-M3 r2p0
- set _CPUTAPID 0x4ba00477
- }
- jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
- if { [info exists BSTAPID ] } {
- set _BSTAPID $BSTAPID
- } else {
- # See STM Document RM0033
- # Section 32.6.2
- #
- set _BSTAPID 0x06413041
- }
- jtag newtap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID
- set _TARGETNAME $_CHIPNAME.cpu
- target create $_TARGETNAME cortex_m3 -endian $_ENDIAN -chain-position $_TARGETNAME -rtos auto
- $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
- set _FLASHNAME $_CHIPNAME.flash
- flash bank $_FLASHNAME stm32f3x 0 0 0 0 $_TARGETNAME
- # if srst is not fitted use SYSRESETREQ to
- # perform a soft reset
- cortex_m3 reset_config sysresetreq
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