1 # script for stm32f4x family
4 # stm32 devices support both JTAG and SWD transports.
6 source [find target/swj-dp.tcl]
8 if { [info exists CHIPNAME] } {
9 set _CHIPNAME $CHIPNAME
11 set _CHIPNAME stm32f4x
14 if { [info exists ENDIAN] } {
20 # Work-area is a space in RAM used for flash programming
22 if { [info exists WORKAREASIZE] } {
23 set _WORKAREASIZE $WORKAREASIZE
25 set _WORKAREASIZE 0x10000
29 if { [info exists CPUTAPID] } {
30 set _CPUTAPID $CPUTAPID
33 # See STM Document RM0090
34 # Section 38.6.3 - corresponds to Cortex-M4 r0p1
35 set _CPUTAPID 0x4ba00477
37 set _CPUTAPID 0x2ba01477
41 swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
43 if { [info exists BSTAPID] } {
46 # See STM Document RM0090
48 # STM32F405xx/07xx and STM32F415xx/17xx
49 set _BSTAPID1 0x06413041
50 # STM32F42xxx and STM32F43xxx
51 set _BSTAPID2 0x06419041
52 # See STM Document RM0368 (Rev. 3)
54 set _BSTAPID3 0x06423041
56 set _BSTAPID4 0x06433041
57 # See STM Document RM0383 (Rev 2)
59 set _BSTAPID5 0x06431041
63 swj_newdap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID1 \
64 -expected-id $_BSTAPID2 -expected-id $_BSTAPID3 \
65 -expected-id $_BSTAPID4 -expected-id $_BSTAPID5
68 set _TARGETNAME $_CHIPNAME.cpu
69 target create $_TARGETNAME cortex_m -endian $_ENDIAN -chain-position $_TARGETNAME
71 $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
73 set _FLASHNAME $_CHIPNAME.flash
74 flash bank $_FLASHNAME stm32f2x 0 0 0 0 $_TARGETNAME
76 # JTAG speed should be <= F_CPU/6. F_CPU after reset is 16MHz, so use F_JTAG = 2MHz
78 # Since we may be running of an RC oscilator, we crank down the speed a
79 # bit more to be on the safe side. Perhaps superstition, but if are
80 # running off a crystal, we can run closer to the limit. Note
81 # that there can be a pretty wide band where things are more or less stable.
84 adapter_nsrst_delay 100
90 # if srst is not fitted use SYSRESETREQ to
91 # perform a soft reset
92 cortex_m reset_config sysresetreq
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