riscv-openocd/tcl/target/ti_calypso.cfg

# SPDX-License-Identifier: GPL-2.0-or-later

#
# TI Calypso (lite) G2 C035 Digital Base Band chip
#
# ARM7TDMIE + DSP subchip (S28C128)
#
# 512K SRAM Calypso
# 256K SRAM Calypso lite
#
if { [info exists CHIPNAME] } {
	set  _CHIPNAME $CHIPNAME
} else {
	set  _CHIPNAME calypso
}

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

if { [info exists CPUTAPID] } {
	set _CPUTAPID $CPUTAPID
} else {
	set _CPUTAPID 0x3100e02f
}

# Work-area is a space in RAM used for flash programming
# By default use 64kB
if { [info exists WORKAREASIZE] } {
	set _WORKAREASIZE $WORKAREASIZE
} else {
	set _WORKAREASIZE 0x10000
}

adapter speed 1000

reset_config trst_and_srst

jtag newtap $_CHIPNAME dsp -expected-id 0x00000000 -irlen 8
jtag newtap $_CHIPNAME arm -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID

# target

set _TARGETNAME $_CHIPNAME.arm
target create $_TARGETNAME arm7tdmi -endian little -chain-position $_TARGETNAME

# workarea

$_TARGETNAME configure -work-area-phys 0x00800000 -work-area-size $_WORKAREASIZE -work-area-backup 1

arm7_9 dcc_downloads enable
arm7_9 fast_memory_access enable

$_TARGETNAME configure -event examine-start {
	irscan calypso.arm 0x0b -endstate DRPAUSE
	drscan calypso.arm 2 2 -endstate RUN/IDLE
}