added documentation and olimex openocd config

This commit is contained in:
Lucas Pleß 2018-01-11 14:39:10 +01:00
parent 4647b4236c
commit 340135e774
3 changed files with 64 additions and 0 deletions

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# script for stm32f4x family
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME stm32f4x
}
if { [info exists ENDIAN] } {
set _ENDIAN $ENDIAN
} else {
set _ENDIAN little
}
# Work-area is a space in RAM used for flash programming
# By default use 64kB
if { [info exists WORKAREASIZE] } {
set _WORKAREASIZE $WORKAREASIZE
} 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
set _CPUTAPID 0x4ba00477
}
jtag newtap $_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
}
jtag newtap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME cortex_m3 -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
# if srst is not fitted use SYSRESETREQ to
# perform a soft reset
cortex_m3 reset_config sysresetreq