1 # script for stm32f2x 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 stm32f2x
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
28 # JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz
30 # Since we may be running of an RC oscilator, we crank down the speed a
31 # bit more to be on the safe side. Perhaps superstition, but if are
32 # running off a crystal, we can run closer to the limit. Note
33 # that there can be a pretty wide band where things are more or less stable.
36 adapter_nsrst_delay 100
42 if { [info exists CPUTAPID] } {
43 set _CPUTAPID $CPUTAPID
46 # See STM Document RM0033
47 # Section 32.6.3 - corresponds to Cortex-M3 r2p0
48 set _CPUTAPID 0x4ba00477
50 set _CPUTAPID 0x2ba01477
54 swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
56 if { [info exists BSTAPID] } {
59 # See STM Document RM0033
62 set _BSTAPID 0x06411041
66 swj_newdap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID
69 set _TARGETNAME $_CHIPNAME.cpu
70 target create $_TARGETNAME cortex_m -endian $_ENDIAN -chain-position $_TARGETNAME
72 $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
74 set _FLASHNAME $_CHIPNAME.flash
75 flash bank $_FLASHNAME stm32f2x 0 0 0 0 $_TARGETNAME
78 # if srst is not fitted use SYSRESETREQ to
79 # perform a soft reset
80 cortex_m reset_config sysresetreq