2 # stm32l1 devices support both JTAG and SWD transports.
5 source [find target/swj-dp.tcl]
7 if { [info exists CHIPNAME] } {
8 set _CHIPNAME $CHIPNAME
13 if { [info exists ENDIAN] } {
19 # Work-area is a space in RAM used for flash programming
21 if { [info exists WORKAREASIZE] } {
22 set _WORKAREASIZE $WORKAREASIZE
24 set _WORKAREASIZE 0x2800
27 # JTAG speed should be <= F_CPU/6.
28 # F_CPU after reset is 2MHz, so use F_JTAG max = 333kHz
31 adapter_nsrst_delay 100
37 if { [info exists CPUTAPID] } {
38 set _CPUTAPID $CPUTAPID
41 # See STM Document RM0038
42 # Section 30.6.3 - corresponds to Cortex-M3 r2p0
43 set _CPUTAPID 0x4ba00477
45 # SWD IDCODE (single drop, arm)
46 set _CPUTAPID 0x2ba01477
50 swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
52 if { [info exists BSTAPID] } {
53 # FIXME this never gets used to override defaults...
56 # See STM Document RM0038 Section 30.6.1
57 # (section 30.6.2 seems incorrect, at least in RM0038 DocID 15965 Rev 10)
59 # Low and medium density
60 set _BSTAPID1 0x06416041
61 # Cat.3 device (medium+ density)
62 set _BSTAPID2 0x06427041
63 # Cat.4 device, STM32L15/6xxD or Cat.3 device, some STM32L15/6xxC-A models
64 set _BSTAPID3 0x06436041
65 # Cat.5 device (high density), STM32L15/6xxE
66 set _BSTAPID4 0x06437041
70 swj_newdap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID1 -expected-id $_BSTAPID2 -expected-id $_BSTAPID3 -expected-id $_BSTAPID4
73 set _TARGETNAME $_CHIPNAME.cpu
74 target create $_TARGETNAME cortex_m -endian $_ENDIAN -chain-position $_TARGETNAME
76 $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
78 # flash size will be probed
79 set _FLASHNAME $_CHIPNAME.flash
80 flash bank $_FLASHNAME stm32lx 0x08000000 0 0 0 $_TARGETNAME
83 # if srst is not fitted use SYSRESETREQ to
84 # perform a soft reset
85 cortex_m reset_config sysresetreq
88 proc stm32l_enable_HSI {} {
89 # Enable HSI as clock source
90 echo "STM32L: Enabling HSI"
93 mww 0x40023800 0x00000101
96 mww 0x40023808 0x00000001
102 $_TARGETNAME configure -event reset-init {
106 $_TARGETNAME configure -event reset-start {