# script for stm32f4x family
#
-# stm32 devices support both JTAG and SWD transports.
+# stm32f4 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
set _CHIPNAME stm32f4x
}
-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 64kB
+# By default use 32kB (Available RAM in smallest device STM32F410)
if { [info exists WORKAREASIZE] } {
set _WORKAREASIZE $WORKAREASIZE
} else {
- set _WORKAREASIZE 0x10000
+ set _WORKAREASIZE 0x8000
+}
+
+#jtag scan chain
+if { [info exists CPUTAPID] } {
+ set _CPUTAPID $CPUTAPID
+} else {
+ if { [using_jtag] } {
+ # See STM Document RM0090
+ # Section 38.6.3 - corresponds to Cortex-M4 r0p1
+ set _CPUTAPID 0x4ba00477
+ } {
+ set _CPUTAPID 0x2ba01477
+ }
}
-# JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz
+swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
+
+tpiu create $_CHIPNAME.tpiu -dap $_CHIPNAME.dap -ap-num 0 -baseaddr 0xE0040000
+
+if {[using_jtag]} {
+ jtag newtap $_CHIPNAME bs -irlen 5
+}
+
+set _TARGETNAME $_CHIPNAME.cpu
+target create $_TARGETNAME cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap
+
+$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
+
+set _FLASHNAME $_CHIPNAME.flash
+flash bank $_FLASHNAME stm32f2x 0 0 0 0 $_TARGETNAME
+
+flash bank $_CHIPNAME.otp stm32f2x 0x1fff7800 0 0 0 $_TARGETNAME
+
+if { [info exists QUADSPI] && $QUADSPI } {
+ set a [llength [flash list]]
+ set _QSPINAME $_CHIPNAME.qspi
+ flash bank $_QSPINAME stmqspi 0x90000000 0 0 0 $_TARGETNAME 0xA0001000
+}
+
+# JTAG speed should be <= F_CPU/6. F_CPU after reset is 16MHz, so use F_JTAG = 2MHz
#
# Since we may be running of an RC oscilator, we crank down the speed a
# bit more to be on the safe side. Perhaps superstition, but if are
# running off a crystal, we can run closer to the limit. Note
# that there can be a pretty wide band where things are more or less stable.
-adapter_khz 1000
+adapter speed 2000
-adapter_nsrst_delay 100
-if {$using_jtag} {
+adapter srst delay 100
+if {[using_jtag]} {
jtag_ntrst_delay 100
}
-#jtag scan chain
-if { [info exists CPUTAPID] } {
- set _CPUTAPID $CPUTAPID
-} else {
- # See STM Document RM0090
- # Section 38.6.3 - corresponds to Cortex-M4 r0p1
- set _CPUTAPID 0x4ba00477
+reset_config srst_nogate
+
+if {![using_hla]} {
+ # if srst is not fitted use SYSRESETREQ to
+ # perform a soft reset
+ cortex_m reset_config sysresetreq
}
-swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+$_TARGETNAME configure -event examine-end {
+ # Enable debug during low power modes (uses more power)
+ # DBGMCU_CR |= DBG_STANDBY | DBG_STOP | DBG_SLEEP
+ mmw 0xE0042004 0x00000007 0
-if { [info exists BSTAPID] } {
- set _BSTAPID $BSTAPID
-} else {
- # See STM Document RM0090
- # Section 38.6.2
- # STM32F405xx/07xx and STM32F415xx/17xx
- set _BSTAPID1 0x06413041
- # STM32F42xxx and STM32F43xxx
- set _BSTAPID2 0x06419041
+ # Stop watchdog counters during halt
+ # DBGMCU_APB1_FZ |= DBG_IWDG_STOP | DBG_WWDG_STOP
+ mmw 0xE0042008 0x00001800 0
}
-if {$using_jtag} {
- jtag newtap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID1 \
- -expected-id $_BSTAPID2
+proc proc_post_enable {_chipname} {
+ targets $_chipname.cpu
+
+ if { [$_chipname.tpiu cget -protocol] eq "sync" } {
+ switch [$_chipname.tpiu cget -port-width] {
+ 1 {
+ mmw 0xE0042004 0x00000060 0x000000c0
+ mmw 0x40021020 0x00000000 0x0000ff00
+ mmw 0x40021000 0x000000a0 0x000000f0
+ mmw 0x40021008 0x000000f0 0x00000000
+ }
+ 2 {
+ mmw 0xE0042004 0x000000a0 0x000000c0
+ mmw 0x40021020 0x00000000 0x000fff00
+ mmw 0x40021000 0x000002a0 0x000003f0
+ mmw 0x40021008 0x000003f0 0x00000000
+ }
+ 4 {
+ mmw 0xE0042004 0x000000e0 0x000000c0
+ mmw 0x40021020 0x00000000 0x0fffff00
+ mmw 0x40021000 0x00002aa0 0x00003ff0
+ mmw 0x40021008 0x00003ff0 0x00000000
+ }
+ }
+ } else {
+ mmw 0xE0042004 0x00000020 0x000000c0
+ }
}
-set _TARGETNAME $_CHIPNAME.cpu
-target create $_TARGETNAME cortex_m -endian $_ENDIAN -chain-position $_TARGETNAME
+$_CHIPNAME.tpiu configure -event post-enable "proc_post_enable $_CHIPNAME"
-$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
+$_TARGETNAME configure -event reset-init {
+ # Configure PLL to boost clock to HSI x 4 (64 MHz)
+ mww 0x40023804 0x08012008 ;# RCC_PLLCFGR 16 Mhz /8 (M) * 128 (N) /4(P)
+ mww 0x40023C00 0x00000102 ;# FLASH_ACR = PRFTBE | 2(Latency)
+ mmw 0x40023800 0x01000000 0 ;# RCC_CR |= PLLON
+ sleep 10 ;# Wait for PLL to lock
+ mmw 0x40023808 0x00001000 0 ;# RCC_CFGR |= RCC_CFGR_PPRE1_DIV2
+ mmw 0x40023808 0x00000002 0 ;# RCC_CFGR |= RCC_CFGR_SW_PLL
-set _FLASHNAME $_CHIPNAME.flash
-flash bank $_FLASHNAME stm32f2x 0 0 0 0 $_TARGETNAME
+ # Boost JTAG frequency
+ adapter speed 8000
+}
-# if srst is not fitted use SYSRESETREQ to
-# perform a soft reset
-cortex_m reset_config sysresetreq
+$_TARGETNAME configure -event reset-start {
+ # Reduce speed since CPU speed will slow down to 16MHz with the reset
+ adapter speed 2000
+}
projects / fw / openocd / blobdiff