# script for stm32f4x family
+#
+# stm32 devices support both JTAG and SWD transports.
+#
+source [find target/swj-dp.tcl]
+
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _WORKAREASIZE 0x10000
}
-# JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz
-#
-# Since we may be running of an RC oscilator, we crank down the speed a
-# bit more to be on the safe side. Perhaps superstition, but if are
-# running off a crystal, we can run closer to the limit. Note
-# that there can be a pretty wide band where things are more or less stable.
-adapter_khz 1000
-
-adapter_nsrst_delay 100
-jtag_ntrst_delay 100
-
#jtag scan chain
if { [info exists CPUTAPID] } {
set _CPUTAPID $CPUTAPID
} else {
# See STM Document RM0090
- # Section 32.6.2 - corresponds to Cortex-M4 r0p1
+ # Section 38.6.3 - corresponds to Cortex-M4 r0p1
set _CPUTAPID 0x4ba00477
}
-jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+
+swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
if { [info exists BSTAPID] } {
set _BSTAPID $BSTAPID
} else {
# See STM Document RM0090
- # Section 32.6.3
- set _BSTAPID 0x06413041
+ # Section 38.6.2
+ # STM32F405xx/07xx and STM32F415xx/17xx
+ set _BSTAPID1 0x06413041
+ # STM32F42xxx and STM32F43xxx
+ set _BSTAPID2 0x06419041
+}
+
+if {$using_jtag} {
+ jtag newtap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID1 \
+ -expected-id $_BSTAPID2
}
-jtag newtap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME cortex_m -endian $_ENDIAN -chain-position $_TARGETNAME
set _FLASHNAME $_CHIPNAME.flash
flash bank $_FLASHNAME stm32f2x 0 0 0 0 $_TARGETNAME
+# JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz
+#
+# Since we may be running of an RC oscilator, we crank down the speed a
+# bit more to be on the safe side. Perhaps superstition, but if are
+# running off a crystal, we can run closer to the limit. Note
+# that there can be a pretty wide band where things are more or less stable.
+adapter_khz 1000
+
+adapter_nsrst_delay 100
+if {$using_jtag} {
+ jtag_ntrst_delay 100
+}
+
# if srst is not fitted use SYSRESETREQ to
# perform a soft reset
cortex_m reset_config sysresetreq