# script for stm32f1x family
+#
+# stm32 devices support both JTAG and SWD transports.
+#
+source [find target/swj-dp.tcl]
+source [find mem_helper.tcl]
+
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME stm32f1x
}
-if { [info exists ENDIAN] } {
- set _ENDIAN $ENDIAN
-} else {
- set _ENDIAN little
-}
+set _ENDIAN little
# Work-area is a space in RAM used for flash programming
# By default use 4kB (as found on some STM32F100s)
set _WORKAREASIZE 0x1000
}
-# JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz
-adapter_khz 1000
-
-adapter_nsrst_delay 100
-jtag_ntrst_delay 100
+# Allow overriding the Flash bank size
+if { [info exists FLASH_SIZE] } {
+ set _FLASH_SIZE $FLASH_SIZE
+} else {
+ # autodetect size
+ set _FLASH_SIZE 0
+}
#jtag scan chain
if { [info exists CPUTAPID] } {
set _CPUTAPID $CPUTAPID
} else {
- # See STM Document RM0008
- # Section 26.6.3
- set _CPUTAPID 0x3ba00477
+ if { [using_jtag] } {
+ # See STM Document RM0008 Section 26.6.3
+ set _CPUTAPID 0x3ba00477
+ } {
+ # this is the SW-DP tap id not the jtag tap id
+ set _CPUTAPID 0x1ba01477
+ }
}
-jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
-if { [info exists BSTAPID] } {
- # FIXME this never gets used to override defaults...
- set _BSTAPID $BSTAPID
-} else {
- # See STM Document RM0008
- # Section 29.6.2
- # Low density devices, Rev A
- set _BSTAPID1 0x06412041
- # Medium density devices, Rev A
- set _BSTAPID2 0x06410041
- # Medium density devices, Rev B and Rev Z
- set _BSTAPID3 0x16410041
- set _BSTAPID4 0x06420041
- # High density devices, Rev A
- set _BSTAPID5 0x06414041
- # Connectivity line devices, Rev A and Rev Z
- set _BSTAPID6 0x06418041
- # XL line devices, Rev A
- set _BSTAPID7 0x06430041
- # VL line devices, Rev A and Z In medium-density and high-density value line devices
- set _BSTAPID8 0x06420041
- # VL line devices, Rev A
- set _BSTAPID9 0x06428041
+swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
+if {[using_jtag]} {
+ jtag newtap $_CHIPNAME bs -irlen 5
}
-jtag newtap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID1 \
- -expected-id $_BSTAPID2 -expected-id $_BSTAPID3 \
- -expected-id $_BSTAPID4 -expected-id $_BSTAPID5 \
- -expected-id $_BSTAPID6 -expected-id $_BSTAPID7 \
- -expected-id $_BSTAPID8 -expected-id $_BSTAPID9
set _TARGETNAME $_CHIPNAME.cpu
-target create $_TARGETNAME cortex_m -endian $_ENDIAN -chain-position $_TARGETNAME
+target create $_TARGETNAME cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap
$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
# flash size will be probed
set _FLASHNAME $_CHIPNAME.flash
-flash bank $_FLASHNAME stm32f1x 0x08000000 0 0 0 $_TARGETNAME
+flash bank $_FLASHNAME stm32f1x 0x08000000 $_FLASH_SIZE 0 0 $_TARGETNAME
+
+# JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz
+adapter speed 1000
+
+adapter srst delay 100
+if {[using_jtag]} {
+ jtag_ntrst_delay 100
+}
-# if srst is not fitted use SYSRESETREQ to
-# perform a soft reset
-cortex_m reset_config sysresetreq
+reset_config srst_nogate
+
+if {![using_hla]} {
+ # if srst is not fitted use SYSRESETREQ to
+ # perform a soft reset
+ cortex_m reset_config sysresetreq
+}
+
+$_TARGETNAME configure -event examine-end {
+ # DBGMCU_CR |= DBG_WWDG_STOP | DBG_IWDG_STOP |
+ # DBG_STANDBY | DBG_STOP | DBG_SLEEP
+ mmw 0xE0042004 0x00000307 0
+}
+
+$_TARGETNAME configure -event trace-config {
+ # Set TRACE_IOEN; TRACE_MODE is set to async; when using sync
+ # change this value accordingly to configure trace pins
+ # assignment
+ mmw 0xE0042004 0x00000020 0
+}