riscv-openocd/tcl/target/c100.cfg

# c100 config
#
#jtag_nsrst_delay 5000
#jtag_ntrst_delay 3000
#reset_config none
reset_config trst_and_srst separate
#reset_config srst_only srst_pulls_trst

if { [info exists CHIPNAME] } {	
   set  _CHIPNAME $CHIPNAME    
} else {	 
   set  _CHIPNAME c100
}

if { [info exists ENDIAN] } {	
   set  _ENDIAN $ENDIAN    
} else {	 
   set  _ENDIAN little
}

if { [info exists CPUTAPID ] } {
   set _CPUTAPID $CPUTAPID
} else {
   set _CPUTAPID 0x27b3645b
}

if { [info exists DSPTAPID ] } {
   set _DSPTAPID $DSPTAPID
} else {
   set _DSPTAPID 0x27b3645b
}

jtag newtap $_CHIPNAME dsp -irlen 5 -ircapture 0x1 -irmask 0x1f -expected-id $_DSPTAPID


# Per ARM: DDI0211J_arm1136_r1p5_trm.pdf - the ARM 1136 as a 5 bit IR register
jtag newtap $_CHIPNAME cpu -irlen 5 -ircapture 0x1 -irmask 0x1f -expected-id $_CPUTAPID

set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME arm11 -endian $_ENDIAN -chain-position $_TARGETNAME

# C100's ARAM 64k SRAM
$_TARGETNAME configure -work-area-phys 0x0a000000 -work-area-size 0x10000 -work-area-backup 0


proc power_restore {} { puts "Sensed power restore. No action." } 
proc srst_deasserted {} { puts "Sensed nSRST deasserted. No action." }


# issue telnet: reset init
# issue gdb: monitor reset init
$_TARGETNAME configure -event reset-init {
	# Force target into ARM state.
#	soft_reset_halt # not implemented on ARM11
	puts "Halting C100.CPU"
	halt
}

$_TARGETNAME configure -event reset-deassert-post {
	# Force target into ARM state.
#	soft_reset_halt # not implemented on ARM11
	puts "Detected SRSRT asserted on C100.CPU"
	
}
# Valid events: old-gdb_program_config, old-pre_resume, early-halted, halted, resumed, resume-start, resume-end, gdb-start, gdb-end, reset-start, reset-assert-pre, reset-assert-post, reset-deassert-pre, reset-deassert-post, reset-halt-pre, reset-halt-post, reset-wait-pre, reset-wait-post, reset-init, reset-end, examine-start, examine-end, debug-halted, debug-resumed, gdb-attach, gdb-detach, gdb-flash-write-start, gdb-flash-write-end, gdb-flash-erase-start, gdb-flash-erase-end, resume-start, resume-ok, or resume-end