280 lines
8.3 KiB
INI
280 lines
8.3 KiB
INI
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# This is a custom version of the config that has the ITM fixed.
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# The official version can be used again when https://sourceforge.net/p/openocd/tickets/266/ has been dealt with.
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# script for stm32h7x family
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#
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# stm32h7 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 stm32h7x
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}
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if { [info exists DUAL_BANK] } {
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set $_CHIPNAME.DUAL_BANK $DUAL_BANK
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unset DUAL_BANK
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} else {
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set $_CHIPNAME.DUAL_BANK 0
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}
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if { [info exists DUAL_CORE] } {
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set $_CHIPNAME.DUAL_CORE $DUAL_CORE
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unset DUAL_CORE
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} else {
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set $_CHIPNAME.DUAL_CORE 0
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}
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# Issue a warning when hla is used, and fallback to single core configuration
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if { [set $_CHIPNAME.DUAL_CORE] && [using_hla] } {
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echo "Warning : hla does not support multicore debugging"
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set $_CHIPNAME.DUAL_CORE 0
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}
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if { [info exists USE_CTI] } {
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set $_CHIPNAME.USE_CTI $USE_CTI
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unset USE_CTI
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} else {
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set $_CHIPNAME.USE_CTI 0
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}
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# Issue a warning when DUAL_CORE=0 and USE_CTI=1, and fallback to USE_CTI=0
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if { ![set $_CHIPNAME.DUAL_CORE] && [set $_CHIPNAME.USE_CTI] } {
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echo "Warning : could not use CTI with a single core device, CTI is disabled"
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set $_CHIPNAME.USE_CTI 0
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}
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set _ENDIAN little
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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 0x10000
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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 0x6ba00477
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} {
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set _CPUTAPID 0x6ba02477
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}
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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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if {[using_jtag]} {
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swj_newdap $_CHIPNAME bs -irlen 5
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}
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if {![using_hla]} {
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# STM32H7 provides an APB-AP at access port 2, which allows the access to
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# the debug and trace features on the system APB System Debug Bus (APB-D).
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target create $_CHIPNAME.ap2 mem_ap -dap $_CHIPNAME.dap -ap-num 2
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}
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target create $_CHIPNAME.cpu0 cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap -ap-num 0
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$_CHIPNAME.cpu0 configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
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flash bank $_CHIPNAME.bank1.cpu0 stm32h7x 0x08000000 0 0 0 $_CHIPNAME.cpu0
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if {[set $_CHIPNAME.DUAL_BANK]} {
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flash bank $_CHIPNAME.bank2.cpu0 stm32h7x 0x08100000 0 0 0 $_CHIPNAME.cpu0
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}
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if {[set $_CHIPNAME.DUAL_CORE]} {
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target create $_CHIPNAME.cpu1 cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap -ap-num 3
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$_CHIPNAME.cpu1 configure -work-area-phys 0x38000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
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flash bank $_CHIPNAME.bank1.cpu1 stm32h7x 0x08000000 0 0 0 $_CHIPNAME.cpu1
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if {[set $_CHIPNAME.DUAL_BANK]} {
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flash bank $_CHIPNAME.bank2.cpu1 stm32h7x 0x08100000 0 0 0 $_CHIPNAME.cpu1
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}
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}
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# Make sure that cpu0 is selected
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targets $_CHIPNAME.cpu0
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# Clock after reset is HSI at 64 MHz, no need of PLL
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adapter speed 1800
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adapter srst delay 100
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if {[using_jtag]} {
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jtag_ntrst_delay 100
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}
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# use hardware reset
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#
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# The STM32H7 does not support connect_assert_srst mode because the AXI is
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# unavailable while SRST is asserted, and that is used to access the DBGMCU
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# component at 0x5C001000 in the examine-end event handler.
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#
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# It is possible to access the DBGMCU component at 0xE00E1000 via AP2 instead
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# of the default AP0, and that works with SRST asserted; however, nonzero AP
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# usage does not work with HLA, so is not done by default. That change could be
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# made in a local configuration file if connect_assert_srst mode is needed for
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# a specific application and a non-HLA adapter is in use.
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reset_config srst_only 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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$_CHIPNAME.cpu0 cortex_m reset_config sysresetreq
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if {[set $_CHIPNAME.DUAL_CORE]} {
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$_CHIPNAME.cpu1 cortex_m reset_config sysresetreq
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}
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# Set CSW[27], which according to ARM ADI v5 appendix E1.4 maps to AHB signal
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# HPROT[3], which according to AMBA AHB/ASB/APB specification chapter 3.7.3
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# makes the data access cacheable. This allows reading and writing data in the
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# CPU cache from the debugger, which is far more useful than going straight to
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# RAM when operating on typical variables, and is generally no worse when
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# operating on special memory locations.
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$_CHIPNAME.dap apcsw 0x08000000 0x08000000
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}
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$_CHIPNAME.cpu0 configure -event examine-end {
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# Enable D3 and D1 DBG clocks
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# DBGMCU_CR |= D3DBGCKEN | D1DBGCKEN
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stm32h7x_dbgmcu_mmw 0x004 0x00600000 0
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# Enable debug during low power modes (uses more power)
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# DBGMCU_CR |= DBG_STANDBY | DBG_STOP | DBG_SLEEP in D3, D2 & D1 Domains
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stm32h7x_dbgmcu_mmw 0x004 0x00000007 0
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# Stop watchdog counters during halt
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# DBGMCU_APB3FZ1 |= WWDG1
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stm32h7x_dbgmcu_mmw 0x034 0x00000040 0
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# DBGMCU_APB1LFZ1 |= WWDG2
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stm32h7x_dbgmcu_mmw 0x03C 0x00000800 0
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# DBGMCU_APB4FZ1 |= WDGLSD1 | WDGLSD2
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stm32h7x_dbgmcu_mmw 0x054 0x000C0000 0
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}
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$_CHIPNAME.cpu0 configure -event trace-config {
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# Set TRACECLKEN; TRACE_MODE is set to async; when using sync
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# change this value accordingly to configure trace pins
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# assignment
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stm32h7x_dbgmcu_mmw 0x004 0x00100000 0
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}
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$_CHIPNAME.cpu0 configure -event reset-init {
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# Clock after reset is HSI at 64 MHz, no need of PLL
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adapter speed 4000
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}
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if {[set $_CHIPNAME.DUAL_CORE]} {
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$_CHIPNAME.cpu1 configure -event examine-end {
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# get _CHIPNAME from the current target
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set _CHIPNAME [regsub ".cpu\\d$" [target current] ""]
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global $_CHIPNAME.USE_CTI
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# Stop watchdog counters during halt
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# DBGMCU_APB3FZ2 |= WWDG1
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stm32h7x_dbgmcu_mmw 0x038 0x00000040 0
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# DBGMCU_APB1LFZ2 |= WWDG2
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stm32h7x_dbgmcu_mmw 0x040 0x00000800 0
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# DBGMCU_APB4FZ2 |= WDGLSD1 | WDGLSD2
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stm32h7x_dbgmcu_mmw 0x058 0x000C0000 0
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if {[set $_CHIPNAME.USE_CTI]} {
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stm32h7x_cti_start
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}
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}
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}
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# like mrw, but with target selection
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proc stm32h7x_mrw {used_target reg} {
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set value ""
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$used_target mem2array value 32 $reg 1
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return $value(0)
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}
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# like mmw, but with target selection
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proc stm32h7x_mmw {used_target reg setbits clearbits} {
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set old [stm32h7x_mrw $used_target $reg]
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set new [expr ($old & ~$clearbits) | $setbits]
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$used_target mww $reg $new
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}
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# mmw for dbgmcu component registers, it accepts the register offset from dbgmcu base
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# this procedure will use the mem_ap on AP2 whenever possible
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proc stm32h7x_dbgmcu_mmw {reg_offset setbits clearbits} {
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# use $_CHIPNAME.ap2 if possible, and use the proper dbgmcu base address
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if {![using_hla]} {
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# get _CHIPNAME from the current target
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set _CHIPNAME [regsub ".(cpu|ap)\\d*$" [target current] ""]
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set used_target $_CHIPNAME.ap2
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set reg_addr [expr 0xE00E1000 + $reg_offset]
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} {
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set used_target [target current]
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set reg_addr [expr 0x5C001000 + $reg_offset]
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}
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stm32h7x_mmw $used_target $reg_addr $setbits $clearbits
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}
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if {[set $_CHIPNAME.USE_CTI]} {
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# create CTI instances for both cores
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cti create $_CHIPNAME.cti0 -dap $_CHIPNAME.dap -ap-num 0 -ctibase 0xE0043000
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cti create $_CHIPNAME.cti1 -dap $_CHIPNAME.dap -ap-num 3 -ctibase 0xE0043000
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$_CHIPNAME.cpu0 configure -event halted { stm32h7x_cti_prepare_restart_all }
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$_CHIPNAME.cpu1 configure -event halted { stm32h7x_cti_prepare_restart_all }
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$_CHIPNAME.cpu0 configure -event debug-halted { stm32h7x_cti_prepare_restart_all }
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$_CHIPNAME.cpu1 configure -event debug-halted { stm32h7x_cti_prepare_restart_all }
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proc stm32h7x_cti_start {} {
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# get _CHIPNAME from the current target
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set _CHIPNAME [regsub ".cpu\\d$" [target current] ""]
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# Configure Cores' CTIs to halt each other
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# TRIGIN0 (DBGTRIGGER) and TRIGOUT0 (EDBGRQ) at CTM_CHANNEL_0
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$_CHIPNAME.cti0 write INEN0 0x1
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$_CHIPNAME.cti0 write OUTEN0 0x1
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$_CHIPNAME.cti1 write INEN0 0x1
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$_CHIPNAME.cti1 write OUTEN0 0x1
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# enable CTIs
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$_CHIPNAME.cti0 enable on
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$_CHIPNAME.cti1 enable on
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}
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proc stm32h7x_cti_stop {} {
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# get _CHIPNAME from the current target
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set _CHIPNAME [regsub ".cpu\\d$" [target current] ""]
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$_CHIPNAME.cti0 enable off
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$_CHIPNAME.cti1 enable off
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}
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proc stm32h7x_cti_prepare_restart_all {} {
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stm32h7x_cti_prepare_restart cti0
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stm32h7x_cti_prepare_restart cti1
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}
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proc stm32h7x_cti_prepare_restart {cti} {
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# get _CHIPNAME from the current target
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set _CHIPNAME [regsub ".cpu\\d$" [target current] ""]
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# Acknowlodge EDBGRQ at TRIGOUT0
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$_CHIPNAME.$cti write INACK 0x01
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$_CHIPNAME.$cti write INACK 0x00
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}
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}
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