# script for stm32f7x family # # stm32f7 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 stm32f7x } set _ENDIAN little # Work-area is a space in RAM used for flash programming # By default use 128kB if { [info exists WORKAREASIZE] } { set _WORKAREASIZE $WORKAREASIZE } else { set _WORKAREASIZE 0x20000 } #jtag scan chain if { [info exists CPUTAPID] } { set _CPUTAPID $CPUTAPID } else { if { [using_jtag] } { # See STM Document RM0385 # Section 40.6.3 - corresponds to Cortex-M7 with FPU r0p0 set _CPUTAPID 0x5ba00477 } { set _CPUTAPID 0x5ba02477 } } swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID if { [info exists BSTAPID] } { set _BSTAPID $BSTAPID } else { # See STM Document RM0385 # Section 40.6.1 # STM32F75xxG set _BSTAPID1 0x06449071 } if {[using_jtag]} { swj_newdap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID1 } set _TARGETNAME $_CHIPNAME.cpu target create $_TARGETNAME cortex_m -endian $_ENDIAN -chain-position $_TARGETNAME $_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 # adapter speed should be <= F_CPU/6. F_CPU after reset is 16MHz, so use F_JTAG = 2MHz adapter_khz 2000 adapter_nsrst_delay 100 if {[using_jtag]} { jtag_ntrst_delay 100 } # use hardware reset, connect under reset reset_config srst_only 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_STANDBY | DBG_STOP | DBG_SLEEP mmw 0xE0042004 0x00000007 0 # Stop watchdog counters during halt # DBGMCU_APB1_FZ = DBG_IWDG_STOP | DBG_WWDG_STOP mww 0xE0042008 0x00001800 } $_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 }