riscv-openocd/tcl/target/omap3530.cfg

# TI OMAP3530
#  http://focus.ti.com/docs/prod/folders/print/omap3530.html
# Other OMAP3 chips remove DSP and/or the OpenGL support

if { [info exists CHIPNAME] } {
   set  _CHIPNAME $CHIPNAME
} else {
   set  _CHIPNAME omap3530
}

# ICEpick-C ... used to route Cortex, DSP, and more not shown here
source [find target/icepick.cfg]

# Subsidiary TAP: C64x+ DSP ... must enable via ICEpick
jtag newtap $_CHIPNAME dsp -irlen 38 -ircapture 0x25 -irmask 0x3f -disable

# Subsidiary TAP: CoreSight Debug Access Port (DAP)
if { [info exists DAP_TAPID ] } {
   set _DAP_TAPID $DAP_TAPID
} else {
   set _DAP_TAPID 0x0b6d602f
}
jtag newtap $_CHIPNAME dap -irlen 4 -ircapture 0x1 -irmask 0xf \
	-expected-id $_DAP_TAPID -disable
jtag configure $_CHIPNAME.dap -event tap-enable \
	"icepick_c_tapenable $_CHIPNAME.jrc 3"

# Primary TAP: ICEpick-C (JTAG route controller) and boundary scan
if { [info exists JRC_TAPID ] } {
   set _JRC_TAPID $JRC_TAPID
} else {
   set _JRC_TAPID 0x0b7ae02f
}
jtag newtap $_CHIPNAME jrc -irlen 6 -ircapture 0x1 -irmask 0x3f \
	-expected-id $_JRC_TAPID

jtag configure $_CHIPNAME.jrc -event post-reset "runtest 100"

# GDB target:  Cortex-A8, using DAP
target create omap3.cpu cortex_a8 -chain-position $_CHIPNAME.dap

# FIXME much of this should be in reset event handlers
proc omap3_dbginit { } {
     poll off
     sleep 100

     jtag tapenable omap3530.dap
     targets
     # General Cortex A8 debug initialisation
     cortex_a8 dbginit
     # Enable DBGU signal for OMAP353x
     omap3.cpu mww 0x5401d030 0x00002000
     poll on
}

set PRM_RSTCTRL 0x48307250

omap3.cpu configure -event reset-start "omap3.cpu mww $PRM_RSTCTRL 2"
omap3.cpu configure -event reset-assert-pre "omap3_dbginit"