1 # script for stm32f2x family
4 # stm32 devices support both JTAG and SWD transports.
6 source [find target/swj-dp.tcl]
7 source [find mem_helper.tcl]
9 if { [info exists CHIPNAME] } {
10 set _CHIPNAME $CHIPNAME
12 set _CHIPNAME stm32f2x
17 # Work-area is a space in RAM used for flash programming
19 if { [info exists WORKAREASIZE] } {
20 set _WORKAREASIZE $WORKAREASIZE
22 set _WORKAREASIZE 0x10000
25 # JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz
27 # Since we may be running of an RC oscilator, we crank down the speed a
28 # bit more to be on the safe side. Perhaps superstition, but if are
29 # running off a crystal, we can run closer to the limit. Note
30 # that there can be a pretty wide band where things are more or less stable.
33 adapter_nsrst_delay 100
39 if { [info exists CPUTAPID] } {
40 set _CPUTAPID $CPUTAPID
43 # See STM Document RM0033
44 # Section 32.6.3 - corresponds to Cortex-M3 r2p0
45 set _CPUTAPID 0x4ba00477
47 set _CPUTAPID 0x2ba01477
51 swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
54 jtag newtap $_CHIPNAME bs -irlen 5
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 reset_config srst_nogate
68 # if srst is not fitted use SYSRESETREQ to
69 # perform a soft reset
70 cortex_m reset_config sysresetreq
73 $_TARGETNAME configure -event examine-end {
74 # DBGMCU_CR |= DBG_STANDBY | DBG_STOP | DBG_SLEEP
75 mmw 0xE0042004 0x00000007 0
77 # Stop watchdog counters during halt
78 # DBGMCU_APB1_FZ |= DBG_IWDG_STOP | DBG_WWDG_STOP
79 mmw 0xE0042008 0x00001800 0
82 $_TARGETNAME configure -event trace-config {
83 # Set TRACE_IOEN; TRACE_MODE is set to async; when using sync
84 # change this value accordingly to configure trace pins
86 mmw 0xE0042004 0x00000020 0