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
15 # Work-area is a space in RAM used for flash programming
17 if { [info exists WORKAREASIZE] } {
18 set _WORKAREASIZE $WORKAREASIZE
20 set _WORKAREASIZE 0x2800
23 # JTAG speed should be <= F_CPU/6.
24 # F_CPU after reset is 2MHz, so use F_JTAG max = 333kHz
27 adapter_nsrst_delay 100
33 if { [info exists CPUTAPID] } {
34 set _CPUTAPID $CPUTAPID
37 # See STM Document RM0038
38 # Section 30.6.3 - corresponds to Cortex-M3 r2p0
39 set _CPUTAPID 0x4ba00477
41 # SWD IDCODE (single drop, arm)
42 set _CPUTAPID 0x2ba01477
46 swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
48 if { [info exists BSTAPID] } {
49 # FIXME this never gets used to override defaults...
52 # See STM Document RM0038 Section 30.6.1 Rev. 12
54 # Low and medium density
55 set _BSTAPID1 0x06416041
56 # Cat.2 device (medium+ density)
57 set _BSTAPID2 0x06429041
58 # Cat.3 device (medium+ density)
59 set _BSTAPID3 0x06427041
60 # Cat.4 device, STM32L15/6xxD or Cat.3 device, some STM32L15/6xxC-A models
61 set _BSTAPID4 0x06436041
62 # Cat.5 device (high density), STM32L15/6xxE
63 set _BSTAPID5 0x06437041
67 swj_newdap $_CHIPNAME bs -irlen 5 \
68 -expected-id $_BSTAPID1 -expected-id $_BSTAPID2 expected-id $_BSTAPID3 \
69 -expected-id $_BSTAPID4 -expected-id $_BSTAPID5
72 set _TARGETNAME $_CHIPNAME.cpu
73 target create $_TARGETNAME cortex_m -endian $_ENDIAN -chain-position $_TARGETNAME
75 $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
77 # flash size will be probed
78 set _FLASHNAME $_CHIPNAME.flash
79 flash bank $_FLASHNAME stm32lx 0x08000000 0 0 0 $_TARGETNAME
81 reset_config srst_nogate
84 # if srst is not fitted use SYSRESETREQ to
85 # perform a soft reset
86 cortex_m reset_config sysresetreq
89 proc stm32l_enable_HSI {} {
90 # Enable HSI as clock source
91 echo "STM32L: Enabling HSI"
94 mww 0x40023800 0x00000101
97 mww 0x40023808 0x00000001
103 $_TARGETNAME configure -event reset-init {
107 $_TARGETNAME configure -event reset-start {