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# script for stm32
interface ft2232
ft2232_device_desc "Olimex OpenOCD JTAG"
ft2232_layout olimex-jtag
ft2232_vid_pid 0x15ba 0x0003
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME stm32
}
if { [info exists ENDIAN] } {
set _ENDIAN $ENDIAN
} else {
set _ENDIAN little
}
# jtag speed speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so ufse F_JTAG = 1MHz
jtag_khz 1000
jtag_nsrst_delay 100
jtag_ntrst_delay 100
#use combined on interfaces or targets that can't set TRST/SRST separately
reset_config srst_only
#jtag scan chain
if { [info exists CPUTAPID ] } {
set _CPUTAPID $CPUTAPID
} else {
# See STM Document RM0008
# Section 30.6.3
set _CPUTAPID 0x3ba00477
}
jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
if { [info exists BSTAPID ] } {
# FIXME this never gets used to override defaults...
set _BSTAPID $BSTAPID
} else {
# See STM Document RM0008
# Section 29.6.2
# Low density devices, Rev A
set _BSTAPID1 0x06412041
# Medium density devices, Rev A
set _BSTAPID2 0x06410041
# Medium density devices, Rev B and Rev Z
set _BSTAPID3 0x16410041
# High density devices, Rev A
set _BSTAPID4 0x06414041
# Connectivity line devices, Rev A and Rev Z
set _BSTAPID5 0x06418041
}
jtag newtap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID1 \
-expected-id $_BSTAPID2 -expected-id $_BSTAPID3 \
-expected-id $_BSTAPID4 -expected-id $_BSTAPID5
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME cortex_m3 -endian $_ENDIAN -chain-position $_TARGETNAME
$_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x20000000 -work-area-size 0x5000 -work-area-backup 0
# TODO: native
#$_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x20000000 -work-area-size 0x10000 -work-area-backup 0
flash bank bank0 stm32x 0x08000000 0x00020000 0 0 $_TARGETNAME
proc flash_chip {} {
echo "Halting..."
reset halt
echo "Unlocking flash..."
flash protect 0 0 last off
echo "Erasing..."
flash erase_address 0x08000000 0x20000
echo "Flashing image..."
flash write_bank 0 build/maple.bin 0
echo "Verifying image..."
verify_image build/maple.bin 0x08000000 bin
echo "Checksum verified, resetting chip"
reset run
echo "Daemon shutdown"
shutdown
}
init
flash_chip
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