75 lines
1.9 KiB
INI
75 lines
1.9 KiB
INI
#
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# bluenrg-1/2 and bluenrg-lp devices support only 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 bluenrg-1
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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 24kB-256bytes
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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 0x5F00
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}
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adapter speed 4000
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swj_newdap $_CHIPNAME cpu -expected-id 0x0bb11477 -expected-id 0x0bc11477
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dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
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set _TARGETNAME $_CHIPNAME.cpu
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set WDOG_VALUE 0
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set WDOG_VALUE_SET 0
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target create $_TARGETNAME cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap
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$_TARGETNAME configure -work-area-phys 0x20000100 -work-area-size $_WORKAREASIZE -work-area-backup 0
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# flash size will be probed
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set _FLASHNAME $_CHIPNAME.flash
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flash bank $_FLASHNAME bluenrg-x 0 0 0 0 $_TARGETNAME
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# In BlueNRG-X reset pin is actually a shutdown (power-off), so define reset as none
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reset_config none
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if {![using_hla]} {
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# if srst is not fitted use SYSRESETREQ to
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# perform a soft reset
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cortex_m reset_config sysresetreq
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}
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$_TARGETNAME configure -event halted {
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global WDOG_VALUE
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global WDOG_VALUE_SET
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set _JTAG_IDCODE [mrw 0x40000004]
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if {$_JTAG_IDCODE != 0x0201E041} {
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# Stop watchdog during halt, if enabled. Only Bluenrg-1/2
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set WDOG_VALUE [mrw 0x40700008]
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if [expr {$WDOG_VALUE & (1 << 1)}] {
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set WDOG_VALUE_SET 1
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mww 0x40700008 [expr {$WDOG_VALUE & 0xFFFFFFFD}]
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}
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}
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}
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$_TARGETNAME configure -event resumed {
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global WDOG_VALUE
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global WDOG_VALUE_SET
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set _JTAG_IDCODE [mrw 0x40000004]
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if {$_JTAG_IDCODE != 0x0201E041} {
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if {$WDOG_VALUE_SET} {
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# Restore watchdog enable value after resume. Only Bluenrg-1/2
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mww 0x40700008 $WDOG_VALUE
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set WDOG_VALUE_SET 0
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}
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}
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}
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