1 # Analog Devices ADSP-SC58x (ARM Cortex-A5 plus one or two SHARC+ DSPs)
3 # evaluation boards by Analog Devices (and designs derived from them) use a non-standard 10-pin 0.05" ARM Cortex Debug Connector
4 # pin 9 (GND or GNDDetect) has been usurped with JTAG /TRST
5 # as a result, a standards-compliant debug pod will only force the processor's debug interface into reset, preventing usage
6 # so, a connector adapter must be employed on these boards to isolate or otherwise prevent /TRST from being asserted
9 source [find target/swj-dp.tcl]
11 if { [info exists CHIPNAME] } {
12 set _CHIPNAME $CHIPNAME
14 set _CHIPNAME ADSP-SC58x
17 if { [info exists ENDIAN] } {
23 if { [info exists CPUTAPID] } {
24 set _CPUTAPID $CPUTAPID
26 set _CPUTAPID 0x3BA02477
29 swj_newdap $_CHIPNAME cpu -expected-id $_CPUTAPID
31 set _TARGETNAME $_CHIPNAME.cpu
32 target create $_TARGETNAME cortex_a -endian $_ENDIAN -chain-position $_TARGETNAME
34 $_TARGETNAME configure -event examine-end {
36 sc58x_enabledebug $_TARGETNAME
39 proc sc58x_enabledebug {target} {
40 # Enable debugging functionality by setting relevant bits in the TAPC_DBGCTL register
41 # the "phys" option is critical; the OpenOCD Cortex-A target code prevents normal mww when the target is not halted
42 # however, it is not possible to halt the target unless these register bits have been set
43 $target mww phys 0x31131000 0xFFFF
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