1 # script for stm32f4x family
3 if { [info exists CHIPNAME] } {
4 set _CHIPNAME $CHIPNAME
9 if { [info exists ENDIAN] } {
15 # Work-area is a space in RAM used for flash programming
17 if { [info exists WORKAREASIZE] } {
18 set _WORKAREASIZE $WORKAREASIZE
20 set _WORKAREASIZE 0x10000
23 # JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz
25 # Since we may be running of an RC oscilator, we crank down the speed a
26 # bit more to be on the safe side. Perhaps superstition, but if are
27 # running off a crystal, we can run closer to the limit. Note
28 # that there can be a pretty wide band where things are more or less stable.
31 adapter_nsrst_delay 100
35 if { [info exists CPUTAPID] } {
36 set _CPUTAPID $CPUTAPID
38 # See STM Document RM0090
39 # Section 38.6.3 - corresponds to Cortex-M4 r0p1
40 set _CPUTAPID 0x4ba00477
42 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
44 if { [info exists BSTAPID] } {
47 # See STM Document RM0090
49 # STM32F405xx/07xx and STM32F415xx/17xx
50 set _BSTAPID1 0x06413041
51 # STM32F42xxx and STM32F43xxx
52 set _BSTAPID2 0x06419041
54 jtag newtap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID1 \
55 -expected-id $_BSTAPID2
57 set _TARGETNAME $_CHIPNAME.cpu
58 target create $_TARGETNAME cortex_m -endian $_ENDIAN -chain-position $_TARGETNAME
60 $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
62 set _FLASHNAME $_CHIPNAME.flash
63 flash bank $_FLASHNAME stm32f2x 0 0 0 0 $_TARGETNAME
65 # if srst is not fitted use SYSRESETREQ to
66 # perform a soft reset
67 cortex_m reset_config sysresetreq