X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=tcl%2Ftarget%2Fstm32f3x.cfg;h=86e9f594e38053347387e33122ba7e04717e11d8;hp=1f051434611a3015cffcc2e0cd98a1995468f7b8;hb=2231da8ec4e7d7ae9b652f3dd1a7104f5a110f3f;hpb=1df6e59178d1ce7d466a1c9821a1ea88b8df3e4a diff --git a/tcl/target/stm32f3x.cfg b/tcl/target/stm32f3x.cfg index 1f05143461..86e9f594e3 100644 --- a/tcl/target/stm32f3x.cfg +++ b/tcl/target/stm32f3x.cfg @@ -1,16 +1,18 @@ # script for stm32f3x 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 stm32f3x } -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 16kB @@ -29,35 +31,79 @@ if { [info exists WORKAREASIZE] } { adapter_khz 1000 adapter_nsrst_delay 100 -jtag_ntrst_delay 100 +if {[using_jtag]} { + jtag_ntrst_delay 100 +} #jtag scan chain if { [info exists CPUTAPID] } { set _CPUTAPID $CPUTAPID } else { - # See STM Document RM0316 - # Section 29.6.3 - corresponds to Cortex-M4 r0p1 - set _CPUTAPID 0x4ba00477 + if { [using_jtag] } { + # See STM Document RM0316 + # Section 29.6.3 - corresponds to Cortex-M4 r0p1 + set _CPUTAPID 0x4ba00477 + } { + set _CPUTAPID 0x2ba01477 + } } -jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID -if { [info exists BSTAPID] } { - set _BSTAPID $BSTAPID -} else { - # See STM Document RM0316 - # Section 29.6.2 - set _BSTAPID 0x06432041 +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 $_BSTAPID set _TARGETNAME $_CHIPNAME.cpu -target create $_TARGETNAME cortex_m3 -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 set _FLASHNAME $_CHIPNAME.flash flash bank $_FLASHNAME stm32f1x 0 0 0 0 $_TARGETNAME -# if srst is not fitted use SYSRESETREQ to -# perform a soft reset -cortex_m3 reset_config sysresetreq +reset_config srst_nogate + +if {![using_hla]} { + # if srst is not fitted use SYSRESETREQ to + # perform a soft reset + cortex_m reset_config sysresetreq +} + +proc stm32f3x_default_reset_start {} { + # Reset clock is HSI (8 MHz) + adapter_khz 1000 +} + +proc stm32f3x_default_examine_end {} { + # Enable debug during low power modes (uses more power) + mmw 0xe0042004 0x00000007 0 ;# DBGMCU_CR |= DBG_STANDBY | DBG_STOP | DBG_SLEEP + + # Stop watchdog counters during halt + mmw 0xe0042008 0x00001800 0 ;# DBGMCU_APB1_FZ |= DBG_IWDG_STOP | DBG_WWDG_STOP +} + +proc stm32f3x_default_reset_init {} { + # Configure PLL to boost clock to HSI x 8 (64 MHz) + mww 0x40021004 0x00380400 ;# RCC_CFGR = PLLMUL[3:1] | PPRE1[2] + mmw 0x40021000 0x01000000 0 ;# RCC_CR |= PLLON + mww 0x40022000 0x00000012 ;# FLASH_ACR = PRFTBE | LATENCY[1] + sleep 10 ;# Wait for PLL to lock + mmw 0x40021004 0x00000002 0 ;# RCC_CFGR |= SW[1] + + # Boost JTAG frequency + adapter_khz 8000 +} + +# Default hooks +$_TARGETNAME configure -event examine-end { stm32f3x_default_examine_end } +$_TARGETNAME configure -event reset-start { stm32f3x_default_reset_start } +$_TARGETNAME configure -event reset-init { stm32f3x_default_reset_init } + +$_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 +}