93 lines
2.1 KiB
INI
93 lines
2.1 KiB
INI
# script for AT32f4xx family
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#
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# AT32 devices support both JTAG and SWD transports.
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#
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source [find target/swj-dp.tcl]
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source [find mem_helper.tcl]
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if { [info exists CHIPNAME] } {
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set _CHIPNAME $CHIPNAME
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} else {
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set _CHIPNAME at32f435xx
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}
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if { [info exists ENDIAN] } {
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set _ENDIAN $ENDIAN
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} else {
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set _ENDIAN little
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}
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# Work-area is a space in RAM used for flash programming
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# By default use 64kB
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if { [info exists WORKAREASIZE] } {
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set _WORKAREASIZE $WORKAREASIZE
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} else {
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set _WORKAREASIZE 0x1000
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}
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#jtag scan chain
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if { [info exists CPUTAPID] } {
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set _CPUTAPID $CPUTAPID
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} else {
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if { [using_jtag] } {
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set _CPUTAPID 0x4ba00477
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} else {
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set _CPUTAPID 0x2ba01477
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}
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}
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# Allow overriding the Flash bank size
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if { [info exists FLASH_SIZE] } {
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set _FLASH_SIZE $FLASH_SIZE
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} else {
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# autodetect size
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set _FLASH_SIZE 0
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}
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swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
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dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
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set _TARGETNAME $_CHIPNAME.cpu
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target create $_TARGETNAME cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap
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$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
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# flash size will be probed
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set _FLASHNAME $_CHIPNAME.bank1
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flash bank $_FLASHNAME $_CHIPNAME 0x08000000 0 0 0 $_TARGETNAME
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# JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz
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adapter speed 5000
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adapter srst delay 100
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reset_config srst_nogate
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if {![using_hla]} {
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# if srst is not fitted use SYSRESETREQ to
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# perform a soft reset
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cortex_m reset_config sysresetreq
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}
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$_TARGETNAME configure -event examine-end {
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# DBGMCU_CR |= DBG_WWDG_STOP | DBG_IWDG_STOP |
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# DBG_STANDBY | DBG_STOP | DBG_SLEEP
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mmw 0xE0042004 0x00000307 0
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}
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$_TARGETNAME configure -event trace-config {
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# Set TRACE_IOEN; TRACE_MODE is set to async; when using sync
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# change this value accordingly to configure trace pins
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# assignment
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mmw 0xE0042004 0x00000020 0
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}
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$_TARGETNAME configure -event reset-init {
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mww 0x400238A0 0x000F5000
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mww 0x40023C60 0x00000000
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sleep 1
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}
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